CN103556518A - Sugarcane-leaf and/or sugarcane-tip processed product as well as preparation method and application thereof - Google Patents
Sugarcane-leaf and/or sugarcane-tip processed product as well as preparation method and application thereof Download PDFInfo
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- CN103556518A CN103556518A CN201310499005.9A CN201310499005A CN103556518A CN 103556518 A CN103556518 A CN 103556518A CN 201310499005 A CN201310499005 A CN 201310499005A CN 103556518 A CN103556518 A CN 103556518A
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Abstract
The invention belongs to the technical field of plant extraction and discloses a sugarcane-leaf and/or sugarcane-tip processed product as well as a preparation method and application thereof. The preparation method of the sugarcane-leaf and/or sugarcane-tip processed product comprises the steps of collecting sugarcane leaves and/or sugarcane tips, and carrying out pretreatment to obtain a first product; mixing the first product with water, carrying out primary filtering after primary soaking, and collecting filter residues so as to obtain a second product; mixing the second product with a first acid solution, carrying out secondary filtering after secondary soaking, and collecting filter residues so as to obtain a third product; mixing the third product with a second acid solution, carrying out third filtering after third soaking, and collecting filter residues so as to obtain the sugarcane-leaf and/or sugarcane-tip processed product. The preparation method has the advantages that the operation is simple, the content of lignin in the sugarcane-leaf and/or sugarcane-tip processed product is 24.4%-27.4%, and the content of cellulose of the product is 55.6%-60.5%; the preparation method can be used for preparing feeds, paper or artificial panels and adequately utilizes resources of sugarcane leaves and sugarcane tips.
Description
Technical field
The invention belongs to technical field of plant extraction, particularly sugarcane top and/or sugarcane toppers converted products, its preparation method and application.
Background technology
Sugarcane is a kind of annual or perennial root Perenniporia martius herbaceous plant, is the important source material of manufacturing sucrose, and cultivated area is wide and have a higher economic worth.Sugarcane stem is upright, sturdy succulence, and white powder is often draped over one's shoulders on surface, and leaf is alternate, the little sharp mouth shape of edge tool, Hua Sui is compound raceme.Sugarcane taste is sweet, puckery, and property is flat, nontoxic, wherein contains the materials such as abundant sugar, moisture, multivitamin, protein, calcium, iron, has the effect of clearing heat and promoting fluid, is quite subject to liking of people.In China, sugarcane essentialspecies is implanted in the ground such as Guangxi and Yunnan, and annual production reaches more than one hundred million tons, in a large amount of sugarcane of results, has also produced many sugarcane tops and sugarcane toppers every year.Sugarcane top is one of important feature of sugarcane, by carrying out the growth that photosynthesis is sugarcane, provides energy and material.Sugarcane toppers, also claims sugarcane tail, cuts down the general designation of 2～3 the tender joints in top and dark green blade while being results sugarcane.Sugarcane top and sugarcane toppers are the byproducts of sugarcane, wherein contain the materials such as rich in protein, polysaccharide, lignin, cellulose and hemicellulose.
The macromolecular polysaccharide that cellulose is comprised of glucose, water insoluble and common organic solvents, is the main component of plant cell wall, is also important chemical industry, food material.Multiple cellulosic method of modifying is found in scientific research, gives the function that how new cellulose is more, makes it be widely used in preparing the fields such as paper, plastics, explosive, Scientific Research Equipments and high-cellulose food.Lignin is the class material that aromatic alcohol polymerization forms, and is present in lignum, and Main Function is to carry out sclereid wall by the formation net that interweaves.In the molecular structure of lignin, exist aromatic radical, phenolic hydroxyl group, alcoholic extract hydroxyl group, carbon back conjugated double bond isoreactivity group, can carry out number of chemical reaction, in the fields such as chemical industry, agricultural, be widely used.Hemicellulose is the heterogeneous polymer consisting of several dissimilar monose, and these monose comprise wood sugar, arabinose and galactolipin etc., and hemicellulose is combined in the surface of cellulose microfibers, has formed the interconnective network of hard iuntercellular.Hemicellulose structure is amorphous, and the degree of polymerization is lower, and the swollen that easily absorbs water can be acid hydrolysis, basic hydrolysis and oxidation, is mainly used in extracting wood sugar and fermentation alcohol.In sugarcane top and sugarcane toppers, the content of cellulose, hemicellulose and lignin is higher, and these large molecules tangle mutually, is difficult for degraded, has limited making full use of sugarcane top and sugarcane toppers.So at present,, about the report of sugarcane top and/or the rational industrial applications of sugarcane toppers, sugarcane top and/or sugarcane toppers resource are not fully utilized.
Summary of the invention
In view of this, the invention provides a kind of sugarcane top and/or sugarcane toppers converted products, its preparation method and application.In this sugarcane top and/or sugarcane toppers converted products, contain 24.4%～27.4% lignin and 55.6%～60.5% cellulose, and its preparation method is simple to operate, gained sugarcane top and/or sugarcane toppers converted products can be used in prepares feed, paper or artificial board.
In order to realize goal of the invention of the present invention, the present invention adopts following technical scheme:
The preparation method who the invention provides a kind of sugarcane top and/or sugarcane toppers converted products, comprises the following steps:
Step 1: collect sugarcane top and/or sugarcane toppers, through preliminary treatment, obtain the first product;
Step 2: get step 1 gained the first product and mix 1:10～15 in mass ratio with water, first soaks after 90min～120min under 80 ℃～85 ℃ conditions, through the first filtration, collects filter residue, obtains the second product;
Step 3: get step 2 gained the second product and mix 1:10～15 in mass ratio with the first acid solution, second soaks after 90min～120min under 105 ℃～115 ℃ conditions, through the second filtration, collects filter residue, obtains three products;
Step 4: get step 3 gained three products and mix 1:6～10 in mass ratio with the second acid solution, the 3rd soaks after 120min～150min under 110 ℃～118 ℃ conditions, through the 3rd filtration, collects filter residue, obtains.
Indication sugarcane toppers of the present invention, also claims sugarcane tail, cuts down the general designation of 2～3 the tender joints in top and dark green blade while being results sugarcane.
Preferably, by percentage to the quality, the sulfuric acid solution that in preparation method's step 3 provided by the invention, the first acid solution is 0.15%～0.2%.
In some embodiments of the invention, by percentage to the quality, the sulfuric acid solution that in preparation method's step 3 provided by the invention, the first acid solution is 0.20%.
Preferably, by percentage to the quality, the sulfuric acid solution that in preparation method's step 4 provided by the invention, the second acid solution is 1.5%～2%.
In some embodiments of the invention, by percentage to the quality, the sulfuric acid solution that in preparation method's step 4 provided by the invention, the second acid solution is 2%.
Preferably, in preparation method's step 2 provided by the invention, the mass ratio of the first product and water is 1:15.
Preferably, in preparation method's step 2 provided by the invention, the first temperature of soaking is 85 ℃.
Preferably, in preparation method's step 2 provided by the invention, the first time of soaking was 90min.
In other embodiment of the present invention, for saving water resource, the first filtrate of filtering gained in step 2 is repeated to recycle, as the substitute of water and the first product of gained in step 1 in mass ratio 10～15:1 mix, under 80 ℃～85 ℃ conditions, soak after 90min～120min, filter, collect filter residue, repeat aforesaid operations step 3 time～5 times.
Preferably, in preparation method's step 3 provided by the invention, the mass ratio of the second product and the first acid solution is 1:15.
Preferably, in preparation method's step 3 provided by the invention, the second temperature of soaking is 115 ℃.
Preferably, in preparation method's step 3 provided by the invention, the second time of soaking was 120min.
In other embodiment of the present invention, for saving water resource, the second filtrate of filtering gained in step 3 is repeated to recycle, as the substitute of the first acid solution and the second product of gained in step 2 in mass ratio 10～15:1 mix, under 105 ℃～115 ℃ conditions, soak after 90min～120min, after filtration, collect filter residue, repeat aforesaid operations step 2 time～3 times.
Preferably, in preparation method's step 4 provided by the invention, the mass ratio of three products and the second acid solution is 1:6.
Preferably, in preparation method's step 4 provided by the invention, the 3rd temperature of soaking is 115 ℃.
Preferably, in preparation method's step 4 provided by the invention, the 3rd time of soaking was 120min.
Preparation method provided by the invention, in step 2, sugarcane polysaccharide and the partially protein in sugarcane top and/or sugarcane toppers removed in the first immersion; In step 3, glucose, fructose, sucrose, part mineral matter, the protein in sugarcane top and/or sugarcane toppers and the part hemicellulose of having degraded have been removed in second of the first acid solution the immersion; In step 4, the 3rd soaks the hemicellulose wherein of further having degraded; In the sugarcane top that preparation method provided by the invention makes and/or sugarcane toppers converted products, contain a large amount of lignin and cellulose, by percentage to the quality, wherein the content of lignin is 24.4%～27.4%; Cellulosic content is 55.6%～60.5%.
The present invention also provides a kind of sugarcane top and/or sugarcane toppers converted products, and its preparation method comprises the following steps:
Step 1: collect sugarcane top and/or sugarcane toppers, through preliminary treatment, obtain the first product;
Step 2: get step 1 gained the first product and mix 1:10～15 in mass ratio with water, first soaks after 90min～120min under 80 ℃～85 ℃ conditions, through the first filtration, collects filter residue, obtains the second product;
Step 3: get step 2 gained the second product and mix 1:10～15 in mass ratio with the first acid solution, second soaks after 90min～120min under 105 ℃～115 ℃ conditions, through the second filtration, collects filter residue, obtains three products;
Step 4: get step 3 gained three products and mix 1:6～10 in mass ratio with the second acid solution, the 3rd soaks after 120min～150min under 110 ℃～118 ℃ conditions, through the 3rd filtration, collects filter residue, obtains.
The present invention also provides a kind of sugarcane top and/or the application of sugarcane toppers converted products in preparing feed, paper or artificial board.
In some embodiments of the invention, application provided by the invention for paper be brown paper, sanitary paper or writing paper.
In some embodiments of the invention, application provided by the invention for artificial board be shaving board or density board.
The present invention also provides a kind of feed, and it comprises sugarcane top and/or sugarcane toppers converted products and feed and learns upper acceptable raw material, and the preparation method of this sugarcane top and/or sugarcane toppers converted products comprises the following steps:
Step 1: collect sugarcane top and/or sugarcane toppers, through preliminary treatment, obtain the first product;
Step 2: get step 1 gained the first product and mix 1:10～15 in mass ratio with water, first soaks after 90min～120min under 80 ℃～85 ℃ conditions, through the first filtration, collects filter residue, obtains the second product;
Step 3: get step 2 gained the second product and mix 1:10～15 in mass ratio with the first acid solution, second soaks after 90min～120min under 105 ℃～115 ℃ conditions, through the second filtration, collects filter residue, obtains three products;
Step 4: get step 3 gained three products and mix 1:6～10 in mass ratio with the second acid solution, the 3rd soaks after 120min～150min under 110 ℃～118 ℃ conditions, through the 3rd filtration, collects filter residue, obtains.
The present invention also provides a kind of shaving board, and it comprises acceptable supplementary material in sugarcane top and/or sugarcane toppers converted products and shaving board preparation process, and the preparation method of this sugarcane top and/or sugarcane toppers converted products comprises the following steps:
Step 1: collect sugarcane top and/or sugarcane toppers, through preliminary treatment, obtain the first product;
Step 2: get step 1 gained the first product and mix 1:10～15 in mass ratio with water, first soaks after 90min～120min under 80 ℃～85 ℃ conditions, through the first filtration, collects filter residue, obtains the second product;
Step 3: get step 2 gained the second product and mix 1:10～15 in mass ratio with the first acid solution, second soaks after 90min～120min under 105 ℃～115 ℃ conditions, through the second filtration, collects filter residue, obtains three products;
Step 4: get step 3 gained three products and mix 1:6～10 in mass ratio with the second acid solution, the 3rd soaks after 120min～150min under 110 ℃～118 ℃ conditions, through the 3rd filtration, collects filter residue, obtains.
The present invention also provides a kind of density board, and it comprises acceptable supplementary material in sugarcane top and/or sugarcane toppers converted products and density board preparation process, and the preparation method of this sugarcane top and/or sugarcane toppers converted products comprises the following steps:
Step 1: collect sugarcane top and/or sugarcane toppers, through preliminary treatment, obtain the first product;
Step 2: get step 1 gained the first product and mix 1:10～15 in mass ratio with water, first soaks after 90min～120min under 80 ℃～85 ℃ conditions, through the first filtration, collects filter residue, obtains the second product;
Step 3: get step 2 gained the second product and mix 1:10～15 in mass ratio with the first acid solution, second soaks after 90min～120min under 105 ℃～115 ℃ conditions, through the second filtration, collects filter residue, obtains three products;
Step 4: get step 3 gained three products and mix 1:6～10 in mass ratio with the second acid solution, the 3rd soaks after 120min～150min under 110 ℃～118 ℃ conditions, through the 3rd filtration, collects filter residue, obtains.
The invention provides a kind of sugarcane top and/or sugarcane toppers converted products, its preparation method and application.The preparation method of this sugarcane top and/or sugarcane toppers converted products comprises: collect sugarcane top and/or sugarcane toppers, through preliminary treatment, obtain the first product; Get gained the first product and mix 1:10～15 in mass ratio with water, under 80 ℃～85 ℃ conditions, first soaks after 90min～120min, through the first filtration, collects filter residue, obtains the second product; Get gained the second product and mix 1:10～15 in mass ratio with the first acid solution, under 105 ℃～115 ℃ conditions, second soaks after 90min～120min, through the second filtration, collects filter residue, obtains three products; Get gained three products and mix 1:6～10 in mass ratio with the second acid solution, under 110 ℃～118 ℃ conditions, the 3rd soaks after 120min～150min, through the 3rd filtration, collects filter residue, obtains.Preparation method provided by the invention is simple to operate, polysaccharide, hemicellulose and partially protein in sugarcane top and/or sugarcane toppers have been removed, by percentage to the quality, in the sugarcane top making and/or sugarcane toppers converted products, the content of lignin is 24.4%～27.4%, and cellulosic content is 55.6%～60.5%.This sugarcane top and/or sugarcane toppers converted products can be used in prepares feed, paper or artificial plate, takes full advantage of sugarcane top and sugarcane toppers resource.
The specific embodiment
The invention discloses a kind of sugarcane top and/or sugarcane toppers converted products, its preparation method and application.Those skilled in the art can implement this preparation method with reference to this paper content, obtain this sugarcane top and/or sugarcane toppers converted products, realize its application.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they are all deemed to be included in the present invention.Preparation method of the present invention and application are described by preferred embodiment, related personnel obviously can change this paper preparation method and application or suitably change and combination within not departing from content of the present invention, spirit and scope, realizes and apply the technology of the present invention.
In a kind of sugarcane top provided by the invention and/or sugarcane toppers converted products, its preparation method and application, reagent used and raw material all can be buied by market.
In order to make those skilled in the art can understand better technical scheme of the present invention, below in conjunction with embodiment, further set forth the present invention:
The preparation of embodiment 1 sugarcane top converted products
The fresh sugarcane top of gathering, puts it in dehydrating drier and is dried to obtain the dry sugarcane top of 5kg, with chaffcutter, is cut into 1-2 centimetre fragment, collects fragment; Gained fragment is dropped into ultrasonic cleaner, and water cleans 2-3 time, collects the sugarcane top fragment cleaning up; Gained sugarcane top fragment is put into extraction pot, add the water of 50kg, stir, be heated to 80 ℃, soak 120min, filter, collect filter residue, dry the 4.6kg that weighs.Gained filter residue is carried out putting into reactor after rinsing with 10L water, and the sulfuric acid solution that the mass percent that adds 46kg is 0.2%, mixes, and is heated to 105 ℃, soaks 120min, filters, and collects filter residue, dries the 3.8kg that weighs.Gained filter residue is carried out to rinsing with 10L water and add the sulfuric acid solution that the mass percent of 38kg is 1.5% to mix afterwards, pour in reactor, stir, be warming up to 110 ℃, soak 150min, suction filtration, collect filter residue, obtain sugarcane top converted products, be weighed as 2.45kg.
Adopt Concentrated acid hydrolysis partition method to detect the content of lignin in gained sugarcane top converted products; Cellulosic content in the sugarcane top converted products of nitric acid Ethanol Method detection gained; The content of thick protein in the sugarcane top converted products of Kjeldahl's method detection gained; Coarse ash assay in the sugarcane top converted products of coarse ash determination method detection gained in feed.Testing result demonstration, by percentage to the quality, in the sugarcane top converted products that the present embodiment makes, the content of lignin is 24.4%, cellulosic content is 59.6%, thick protein 5%, coarse ash 6%.
The preparation of embodiment 2 sugarcane toppers converted products
The fresh sugarcane toppers of gathering, puts it in dehydrating drier and is dried, and obtains the sugarcane toppers that 5kg is dry, with chaffcutter, is cut into 1-2 centimetre fragment, collects fragment; Gained fragment water is cleaned 2-3 time, collect the sugarcane toppers fragment cleaning up; Gained sugarcane toppers fragment is put into extraction pot, add the water of 75kg, stir, be heated to 85 ℃, soak 90min, filter, collect filter residue, dry the 4.65kg that weighs.Gained filter residue is carried out putting into reactor after rinsing with 10L water, and the sulfuric acid solution that the mass percent that adds 70kg is 0.2%, mixes, and is heated to 115 ℃, soaks 90min, filters, and collects filter residue, dries the 3.6kg that weighs.Gained filter residue is carried out to rinsing with 10L water and add the sulfuric acid solution that the mass percent of 28.8kg is 2% to mix afterwards, pour in reactor, stir, be warming up to 118 ℃, soak 120min, suction filtration, collect filter residue, obtain sugarcane toppers converted products, be weighed as 2.48kg.
Adopt Concentrated acid hydrolysis partition method to detect the content of lignin in gained sugarcane toppers converted products; Cellulosic content in the sugarcane toppers converted products of nitric acid Ethanol Method detection gained; The content of thick protein in the sugarcane toppers converted products of Kjeldahl's method detection gained; Coarse ash assay in the sugarcane toppers converted products of coarse ash determination method detection gained in feed.Testing result demonstration, by percentage to the quality, in the sugarcane toppers converted products that the present embodiment makes, the content of lignin is 25.4%, cellulosic content is 56.6%, thick protein 4.5%, coarse ash 6.3%.
The preparation of embodiment 3 sugarcane tops and sugarcane toppers converted products
Gather dried sugarcane toppers 3kg, dried sugarcane top 2kg, be cut into 1-2 centimetre fragment with chaffcutter, collects fragment; Gained fragment is dropped into ultrasonic cleaner, and water cleans 2-3 time, collects the sugarcane top and the sugarcane toppers fragment that clean up; Gained fragment is put into extraction pot, add the water of 75kg, stir, be heated to 85 ℃, soak 90min, filter, collect filter residue, dry the 4.75kg that weighs.Gained filter residue is carried out putting into reactor after rinsing with 10L water, and the sulfuric acid solution that the mass percent that adds 47.5kg is 0.20%, mixes, and is heated to 115 ℃, soaks 120min, filters, and collects filter residue, dries the 3.65kg that weighs.Gained filter residue is carried out to rinsing with 10L water and add the sulfuric acid solution that the mass percent of 36.5kg is 2.0% to mix afterwards, pour in reactor, stir, be warming up to 110 ℃, soak 120min, suction filtration, collect filter residue, sugarcane top and sugarcane toppers converted products, be weighed as 2.52kg.
Adopt Concentrated acid hydrolysis partition method to detect the content of lignin in gained sugarcane top and sugarcane toppers converted products; Cellulosic content in the sugarcane top of nitric acid Ethanol Method detection gained and sugarcane toppers converted products; The content of thick protein in the sugarcane top of Kjeldahl's method detection gained and sugarcane toppers converted products; Coarse ash assay in the sugarcane top of coarse ash determination method detection gained and sugarcane toppers converted products in feed.Testing result demonstration, by percentage to the quality, in the sugarcane top that the present embodiment makes and sugarcane toppers converted products, the content of lignin is 25.3%, cellulosic content is 60.5%, thick protein 5.2%, coarse ash 4.6%.
The preparation of embodiment 4 sugarcane top converted products
The dried sugarcane top 5kg that gathers is cut into 1-2 centimetre fragment with chaffcutter, collects fragment; Gained fragment is dropped into ultrasonic cleaner, and water cleans 1-2 time, collects the sugarcane top fragment cleaning up; Gained fragment is put into extraction pot, add the water of 50kg, stir, be heated to 80 ℃, soak 120min, filter, collect filter residue, dry the 4.65kg that weighs.Gained filter residue is carried out putting into reactor after rinsing with 10L water, and the sulfuric acid solution that the mass percent that adds 69.5kg is 0.20%, mixes, and is heated to 115 ℃, soaks 100min, filters, and collects filter residue, dries the 3.65kg that weighs.Gained filter residue is carried out to rinsing with 10L water and add the sulfuric acid solution that the mass percent of 36.5kg is 2% to mix afterwards, pour in reactor, stir, be warming up to 118 ℃, soak 120min, suction filtration, collect filter residue, sugarcane top converted products, is weighed as 2.41kg.
Adopt Concentrated acid hydrolysis partition method to detect the content of lignin in gained sugarcane top converted products; Cellulosic content in the sugarcane top converted products of nitric acid Ethanol Method detection gained; The content of thick protein in the sugarcane top converted products of Kjeldahl's method detection gained; Coarse ash assay in the sugarcane top converted products of coarse ash determination method detection gained in feed.Testing result demonstration, by percentage to the quality, in the sugarcane top converted products that the present embodiment makes, the content of lignin is 27.4%, cellulosic content is 58.6%, thick protein 4.6%, coarse ash 4.9%.
The preparation of embodiment 5 sugarcane toppers converted products
The dried sugarcane toppers 5kg that gathers is cut into 1-2 centimetre fragment with chaffcutter, collects fragment; Gained fragment is dropped into ultrasonic cleaner, and water cleans 1-2 time, collects the sugarcane toppers fragment cleaning up; Gained fragment is put into extraction pot, add the water of 50kg, stir, be heated to 85 ℃, immersion 100min, filters, and collects filter residue, dries the 4.55kg that weighs, and collects filtrate simultaneously, and gained filtrate is recycled 4 times, is used as the substitute of water for above-mentioned immersion.Gained filter residue is carried out putting into reactor after rinsing with 10L water, the sulfuric acid solution that the mass percent that adds 68.25kg is 0.20%, mix, be heated to 115 ℃, soak 100min, filter, collect filter residue, dry the 3.65kg that weighs, collect filtrate simultaneously, gained filtrate is recycled 3 times, act on the substitute of above-mentioned 0.20% sulfuric acid solution for above-mentioned immersion.Gained filter residue is carried out to rinsing with 10L water and add the sulfuric acid solution that the mass percent of 36.5kg is 2% to mix afterwards, pour in reactor, stir, be warming up to 118 ℃, soak 120min, suction filtration, collect filter residue, sugarcane toppers converted products, dries and is weighed as 2.58kg.
Adopt Concentrated acid hydrolysis partition method to detect the content of lignin in gained sugarcane toppers converted products; Cellulosic content in the sugarcane toppers converted products of nitric acid Ethanol Method detection gained; The content of thick protein in the sugarcane toppers converted products of Kjeldahl's method detection gained; Coarse ash assay in the sugarcane toppers converted products of coarse ash determination method detection gained in feed.Testing result demonstration, by percentage to the quality, in the sugarcane toppers converted products that the present embodiment makes, the content of lignin is 26.8%, cellulosic content is 57.6%, thick protein 5.2%, coarse ash 6.7%.
The preparation of embodiment 6 sugarcane tops and sugarcane toppers converted products
Gather dried sugarcane toppers 3kg, dried sugarcane top 2kg, be cut into 1-2 centimetre fragment with chaffcutter, collects fragment; Gained fragment is dropped into ultrasonic cleaner, and water cleans 1-2 time, collects the sugarcane top and the sugarcane toppers fragment that clean up; Gained fragment is put into extraction pot, add the water of 60kg, stir, be heated to 82 ℃, soak 110min, filter, collect filter residue, dry the 4.8kg that weighs.Gained filter residue is carried out putting into reactor after rinsing with 10L water, and the sulfuric acid solution that the mass percent that adds 62.4kg is 0.15%, mixes, and is heated to 110 ℃, soaks 110min, filters, and collects filter residue, dries the 3.75kg that weighs.Gained filter residue is carried out to rinsing with 10L water and add the sulfuric acid solution that the mass percent of 22.5kg is 1.8% to mix afterwards, pour in reactor, stir, be warming up to 115 ℃, soak 130min, suction filtration, collect filter residue, sugarcane top and sugarcane toppers converted products, be weighed as 2.38kg.
Adopt Concentrated acid hydrolysis partition method to detect the content of lignin in gained sugarcane top and sugarcane toppers converted products; Cellulosic content in the sugarcane top of nitric acid Ethanol Method detection gained and sugarcane toppers converted products; The content of thick protein in the sugarcane top of Kjeldahl's method detection gained and sugarcane toppers converted products; Coarse ash assay in the sugarcane top of coarse ash determination method detection gained and sugarcane toppers converted products in feed.Testing result demonstration, by percentage to the quality, in the sugarcane top that the present embodiment makes and sugarcane toppers converted products, the content of lignin is 26.3%, cellulosic content is 57.6%, thick protein 4.6%, coarse ash 4.5%.
The preparation of embodiment 7 sugarcane tops and sugarcane toppers converted products
Gather dried sugarcane toppers 2kg, dried sugarcane top 3kg, be cut into 1-2 centimetre fragment with chaffcutter, collects fragment; Gained fragment is dropped into ultrasonic cleaner, and water cleans 2-3 time, collects the sugarcane top and the sugarcane toppers fragment that clean up; Gained fragment is put into extraction pot, add the water of 65kg, stir, be heated to 83 ℃, soak 100min, filter, collect filter residue, dry the 4.58kg that weighs.Gained filter residue is carried out putting into reactor after rinsing with 10L water, and the sulfuric acid solution that the mass percent that adds 54.96kg is 0.18%, mixes, and is heated to 107 ℃, soaks 100min, filters, and collects filter residue, dries the 3.53kg that weighs.Gained filter residue is carried out to rinsing with 10L water and add the sulfuric acid solution that the mass percent of 31.77kg is 1.7% to mix afterwards, pour in reactor, stir, be warming up to 112 ℃, soak 135min, suction filtration, collect filter residue, sugarcane top and sugarcane toppers converted products, be weighed as 2.33kg.
Adopt Concentrated acid hydrolysis partition method to detect the content of lignin in gained sugarcane top and sugarcane toppers converted products; Cellulosic content in the sugarcane top of nitric acid Ethanol Method detection gained and sugarcane toppers converted products; The content of thick protein in the sugarcane top of Kjeldahl's method detection gained and sugarcane toppers converted products; Coarse ash assay in the sugarcane top of coarse ash determination method detection gained and sugarcane toppers converted products in feed.Testing result demonstration, by percentage to the quality, in the sugarcane top that the present embodiment makes and sugarcane toppers converted products, the content of lignin is 26.6%, cellulosic content is 57.8%, thick protein 5.2%, coarse ash 4.9%.
Embodiment 8 sugarcane tops and/or the application of sugarcane toppers converted products in animal feed
In animal feed, the high roughage of Fiber and lignin concentration is also usually as a kind of raw material of animal mixed feed, and its addition in broiler chicken, three yellow chickens, meat duck is 2%～4%.Employing growth of animal tests to investigate sugarcane top provided by the invention and/or whether sugarcane toppers converted products can be applied to animal feed.
Choose 1 age in days AA commercial generation in Hangzhou, Pu Yang town, Zhejiang Hangzhou Xiaoshan legendary god of farming's animal husbandry company feed lot and mix 320 of chick, be divided at random four groups, be labeled as respectively experimental group 1, experimental group 2, experimental group 3 and control group.Every group 80, raise that (specification is: length * wide * height=100cm * 80cm * 40cm), every two cages are a repetition, and every group is 4 repetitions in an iron cage for every 10.By percentage to the quality, sugarcane top and/or sugarcane toppers converted products that the feed that experimental group provides makes for the preparation method who adds respectively 1%, 2% and 3% embodiment 1 and provide, wherein, by percentage to the quality, containing the forage feed experimental group 1 of 1% sugarcane top and/or sugarcane toppers converted products; By percentage to the quality, the forage feed experimental group 2 that contains 2% sugarcane top and/or sugarcane toppers converted products; By percentage to the quality, the forage feed experimental group 3 that contains 3% sugarcane top and/or sugarcane toppers converted products; Control group provides the feed that does not add sugarcane top and/or sugarcane toppers converted products; The feed that experimental group and control group provide is identical corn-soybean meal basal diet, and this daily ration forms in Table 1, and this diet nutrient component content, in Table 2, contains Cu 6mg in per kilogram complete diet pellet simultaneously, Zn 80mg, Fe 80mg, Mn 100mg, I 0.35mg, Se 0.25mg, Co 0.4mg; 24h illumination, free choice feeding, the nursing cycle is 42 days.
Table 1 corn-soybean meal basal diet forms
| Raw material | Content/% in 0-21 day feed | Content/% in 22-42 day feed |
| Corn | 55.87 | 59.85 |
| Soybean Meal | 34 | 32 |
| Fish meal | 3 | 1 |
| Rapeseed dregs | 3 | 3 |
| Calcium monohydrogen phosphate | 1.4 | 1.4 |
| Stone flour | 0.9 | 1 |
| Salt | 0.28 | 0.31 |
| Methionine | 0.12 | 0.05 |
| Choline | 0.13 | 0.09 |
| Trace element premix agent | 0.5 | 0.5 |
| 15% aureomycin | 0.06 | 0.04 |
Table 2 corn-soybean meal basal diet nutrient composition content
| Nutritional labeling | Content/% in 0-21 day feed | Content/% in 22-42 day feed |
| Metabolizable energy (MJ/kg) | 12.96 | 13.01 |
| Thick protein | 21.93 | 20.18 |
| Calcium | 1.05 | 0.92 |
| Total phosphorus | 0.71 | 0.66 |
| Lysine | 1.12 | 0.96 |
| Methionine | 0.47 | 0.38 |
| Methionine+cystine | 0.9 | 0.71 |
Adopt body weight and feed efficiency to come the prepared sugarcane top of Evaluation operation example 1 and/or the result of use of sugarcane toppers converted products in animal feed.The body weight of adding up each experimental group and control group broiler chicken respectively when feeding the 21st day, the 42nd day.Each organizes the body weight of broiler chicken different times and feed efficiency in Table 3.
Table 3 is respectively organized body weight and the feed efficiency of broiler chicken different times
Note: colleague's data shoulder motes same letter represents that difference is not remarkable, different letter representation significant differences
Result shows, the average weight of control group 21 Day-old Broiler Chickens, the average weight of 42 Day-old Broiler Chickens are all better than three experimental group, but statistical discrepancy not significantly (P>0.05); The average feed conversion rate of control group 21 Day-old Broiler Chickens, the average feed conversion rate of 42 Day-old Broiler Chickens are all better than three experimental group, but statistical discrepancy not significantly (P>0.05); Result also shows, along with the increase of sugarcane top and/or sugarcane toppers converted products content, broiler fodder transformation efficiency has the trend of successively decreasing, but statistical check difference is not remarkable.So, in feed, adding by percentage to the quality 1%～3% sugarcane top and/or sugarcane toppers converted products meat chicken production performance is had no significant effect, the sugarcane top that embodiment 1 provides and/or sugarcane toppers converted products can be applied to animal feed.
Adopt identical experimental technique, the sugarcane top that the preparation method that investigating respectively embodiment 2 to embodiment 7 provides makes and/or the application of sugarcane toppers converted products in animal feed, obtained similar experimental result, sugarcane top and/or sugarcane toppers converted products that the preparation method that adding by percentage to the quality 1%～3% embodiment 2 to embodiment 7 in feed provides makes have no significant effect meat chicken production performance, can be applied to animal feed.
Embodiment 9 sugarcane tops and/or the application of sugarcane toppers converted products in animal feed
Choose three yellow chickens and carry out that growth of animal tests to investigate sugarcane top provided by the invention and/or whether sugarcane toppers converted products can be applied to animal feed.
The three yellow chickens that to choose 400 sizableness, average weight be 650g, are divided into two groups at random, 200 every group, are labeled as respectively experimental group and control group.By percentage to the quality, sugarcane top and/or sugarcane toppers converted products that the feed that experimental group provides makes for the preparation method who contains 3% embodiment 1 and provide; In the feed that control group provides, do not add sugarcane top and/or sugarcane toppers converted products, in addition, two groups of feed ingredients that provide are identical; According to conventional method, raise, breeding cycle is one month.
Add up respectively control group and the yellow chicken of experimental group three feed intake of month and weightening finish.Result is as follows: experimental group: average weight gain 325g, average feed intake 1215g; Control group: average weight gain 329g, average feed intake 1205g.Experimental group and control group feeding effect are basically identical.So by percentage to the quality, the production performance that the sugarcane top that the preparation method that adding 3% embodiment 1 in feed provides makes and/or sugarcane toppers converted products do not affect three yellow chickens, can be applied to animal feed.
Adopt identical experimental technique, the sugarcane top that the preparation method that investigating respectively embodiment 2 to embodiment 7 provides makes and/or the application of sugarcane toppers converted products in animal feed, obtained similar experimental result: by percentage to the quality, the production performance that the sugarcane top that the preparation method that adding 3% embodiment 2 to embodiment 7 in feed provides makes and/or sugarcane toppers converted products do not affect three yellow chickens, can be applied to animal feed.
Embodiment 10 sugarcane tops and/or the application of sugarcane toppers converted products in animal feed
Choosing in meat duck carries out growth of animal and tests to investigate sugarcane top provided by the invention and/or the application of sugarcane toppers converted products in animal feed.
Duck in the meat that to choose 600 sizableness, average weight be 650g, is divided into two groups at random, 300 every group, is labeled as respectively experimental group and control group.By percentage to the quality, sugarcane top that the preparation method that contains 4% embodiment 1 and provide makes and/or the feed of sugarcane toppers converted products are provided experimental group; Control group provides not containing sugarcane top and/or sugarcane toppers converted products, and in addition, in two groups of meat that provide, duck feed ingredient is identical; According to conventional method, raise, breeding cycle is one month.
Add up respectively the duck feed intake of month and weightening finish in control group and experimental group meat.Result is as follows: experimental group: average weight gain 1800g, average feed intake 5220g; Control group: average weight gain 1825g, average feed intake 5178g.Experimental group and control group feeding effect are basically identical.So the growth that the sugarcane top that the preparation method that adding by percentage to the quality 4% embodiment 1 in feed provides makes and/or sugarcane toppers converted products do not affect duck in meat, can be applied to animal feed.
Adopt identical experimental technique, the sugarcane top that the preparation method that investigating respectively embodiment 2 to embodiment 7 provides makes and/or the application of sugarcane toppers converted products in animal feed, obtained similar experimental result: the production that the sugarcane top that the preparation method that adding by percentage to the quality 4% embodiment 2 to embodiment 7 in feed provides makes and/or sugarcane toppers converted products do not affect duck in meat, can be applied to animal feed.
Embodiment 11 sugarcane tops and/or the application of sugarcane toppers converted products in preparing brown paper
The sugarcane top that the preparation method that getting embodiment 1 provides makes and/or sugarcane toppers converted products 5kg, the sodium hydroxide solution that is 10% with 50kg mass percent mixes, intensification 45min to 4.5kg/cm
2vapour pressure, insulation 3h, obtain brown stock, afterwards to gained brown stock wash material, the paper pulp fiber that removes the gred to obtain, be weighed as 3.85kg.Get gained paper pulp fiber, mix with 0.154kg calcium hypochlorite, stir, after bleaching half an hour, material is washed in compression, obtains whiteness and be the paper pulp of 19 °～21 °.By gained paper pulp pull an oar successively, surf the Net, squeezing, optical pressure, oven dry, press polish make highly finished kraft paper.
The presentation quality of gained brown paper: paper is smooth, does not have the paper defects such as booklet, incompleteness, spot, breach, eyelet, streak, hard block.Brown paper is of a size of 787mm * 1092mm.The brown paper index of correlation of the present embodiment being made according to the standard of quoting in GB GB/T 22865-2008 and specific quoting document thereof is evaluated.The evaluation of each index and detection method all adopt the standard of quoting in the method recorded in GB/T 22865-2008 and specific quoting document thereof to carry out.The characteristic of the brown paper that the present embodiment makes is in Table 4.
The characteristic of the brown paper that table 4 the present embodiment makes
| Index name | Unit | Grade A | This product |
| Quantitatively | g/m 2 | 70-90 | 82 |
| Bursting strength >=80g/m 2 | kPa | 265 | 285 |
| Longitudinal tear degree >=80g/m 2 | mN | 705 | 765 |
| Water imbibition (cobb, 60s)≤ | g/m 2 | 30 | 26 |
From table 4, data can show that each index of brown paper that the present embodiment makes all meets relevant national standard, so sugarcane top and/or sugarcane toppers converted products that the preparation method that provides of embodiment 1 makes can be for the preparation of brown paper.
Adopt identical preparation method, sugarcane top and/or sugarcane toppers converted products that the preparation method that getting respectively embodiment 2 to embodiment 7 provides makes are prepared brown paper, all obtained the brown paper that meets relevant national standard, illustrated that sugarcane top and/or sugarcane toppers converted products that preparation method that embodiment 2 to embodiment 7 provides makes can be for the preparation of brown paper.
The application in preparation density board of embodiment 12 sugarcane tops and/or sugarcane toppers converted products
The sugarcane top that the preparation method that getting embodiment 1 provides makes and/or sugarcane toppers converted products, according to following preparation method, prepare density board:
Before material is sent into drying duct, apply paraffin and Lauxite.Get solid paraffin, after its fusing, by metering infusion, enter defibrator.Get Lauxite, ammonium chloride curing agent, buffer and urea, after glue mixer allotment, through metering device, spray into defibrator fiber drainage conduit.The sugarcane top that the preparation method that embodiment 1 is provided makes and/or sugarcane toppers converted products are put into defibrator and are carried out defibrator process processing, applying glue simultaneously; By drying system, be dried, to its moisture content in 10% left and right.The dry fiber of gained is fed into the vacuum pneumatic forming machine of mating formation through pneumatic transporting, mats formation into continuous slab band, obtain slab.By gained slab edging after precompressed, and press the transversal one-tenth certain specification of breadth of heating platen, qualified slab is delivered into after loader, enters lower road hot pressing process.The continuous hair plates suppressing enters cooling panel turnover device, is cooled to after uniform temperature, then cuts into 1220mm * 2440mm specification through length sawing, jack saw.Afterwards, by piler automatic piling, straight sheet pile is transported to intermediate stores by fork truck and stores 2～3 days, carries out sanding.Sanding line carries out sanding surface and adjusts goods reaching thickness deviation to hair plates, obtains.
Density board the present embodiment being made by GB GB/T11718-2009 is carried out presentation quality, physical and mechanical property and burst size of methanal index evaluation.The evaluation of each index and detection method all adopt the determined method of GB/T11718-2009.The presentation quality of the density board that the present embodiment makes is in Table 5 and table 6; Physical and mechanical property is in Table 7.
The surface quality of the density board that table 5 the present embodiment makes
| Title | Quality requirement | Certified products | This product |
| Layering, bulge or carbonization | Do not allow | Nothing | Nothing |
| Local soft | Single area≤2000m 2 | 3 | 2 |
| Defect at edge of panel | Width≤10mm | Allow | Nothing |
| Greasy dirt spot or foreign matter | Single area≤40mm 2 | 1 | Nothing |
| Impression | -- | Allow | Nothing |
The book size of the density board that table 6 the present embodiment makes, dimensional discrepancy, density and deviation and moisture require (nominal thickness≤12mm)
| Performance | Unit | Nominal thickness 12mm product | This product |
| Thickness deviation | mm | ±0.2 | 0.18 |
| Perpendicularity | mm/m | ±2.0 | 1.8 |
| Density | g/cm 3 | 0.65-0.80 (permissible variation ± 10%) | 0.68 |
| Density variation in plate | % | ±10 | 8 |
| Moisture content | % | 3-13 | 7 |
The physical and mechanical property of the density board that table 7 the present embodiment makes
| Performance | Unit | Nominal thickness 12mm product | This product |
| MOR | MPa | 24 | 24 |
| Elastic modelling quantity | MPa | 2400 | 2460 |
| Internal bond strength | MPa | 0.5 | 0.55 |
| Thickness swelling rate | % | 15.0 | 13.5 |
From table 5, table 6 and table 7, data can show that the presentation quality of the density board that the present embodiment makes and physical and mechanical property all meet relevant national standard.In addition, the burst size of methanal of the density board that the present embodiment that adopts climate box method to measure makes, result is 0.116mg/m
3, lower than the 0.124mg/m of national regulation
3limited Doses, meets national standard.So the density board indices that the present embodiment makes all meets relevant national standard, the sugarcane top that the preparation method that embodiment 1 provides makes and/or sugarcane toppers converted products can be used in the preparation of density board.
Adopt identical preparation method, sugarcane top and/or sugarcane toppers converted products that the preparation method that getting respectively embodiment 2 to embodiment 7 provides makes are prepared density board, all obtained the density board that meets relevant national standard, illustrated that sugarcane top and/or sugarcane toppers converted products that preparation method that embodiment 2 to embodiment 7 provides makes can be for the preparation of density board.
Because density board and shaving board all belong to technical field of artificial boards, can use identical raw material, so in the situation that sugarcane top provided by the invention and/or sugarcane toppers can be for the preparation of density board, those skilled in the art are easy to expect is that sugarcane top provided by the invention and/or sugarcane toppers also can be for the preparation of shaving boards.
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred embodiment should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a preparation method for sugarcane top and/or sugarcane toppers converted products, is characterized in that, comprises the following steps:
Step 1: collect sugarcane top and/or sugarcane toppers, through preliminary treatment, obtain the first product;
Step 2: get described the first product and mix 1:10～15 in mass ratio with water, first soaks after 90min～120min under 80 ℃～85 ℃ conditions, through the first filtration, collects filter residue, obtains the second product;
Step 3: get described the second product and mix 1:10～15 in mass ratio with the first acid solution, second soaks after 90min～120min under 105 ℃～115 ℃ conditions, through the second filtration, collects filter residue, obtains three products;
Step 4: get described three products and mix 1:6～10 in mass ratio with the second acid solution, the 3rd soaks after 120min～150min under 110 ℃～118 ℃ conditions, through the 3rd filtration, collects filter residue, obtains.
2. preparation method according to claim 1, is characterized in that, by percentage to the quality, and the sulfuric acid solution that described the first acid solution is 0.15%～0.2%.
3. preparation method according to claim 1, is characterized in that, by percentage to the quality, and the sulfuric acid solution that described the second acid solution is 1.5%～2%.
4. sugarcane top and/or the sugarcane toppers converted products that the preparation method as described in any one in claims 1 to 3 makes.
5. sugarcane top as claimed in claim 4 and/or the application of sugarcane toppers converted products in preparing feed, paper or artificial board.
6. application according to claim 5, is characterized in that, described paper is brown paper, sanitary paper or writing paper.
7. application according to claim 5, is characterized in that, described artificial board is shaving board or density board.
8. a feed, is characterized in that, it comprises sugarcane top as claimed in claim 4 and/or sugarcane toppers converted products and feed and learns upper acceptable raw material.
9. a shaving board, is characterized in that, it comprises acceptable supplementary material in sugarcane top as claimed in claim 4 and/or sugarcane toppers converted products and shaving board preparation process.
10. a density board, is characterized in that, it comprises acceptable supplementary material in sugarcane top as claimed in claim 4 and/or sugarcane toppers converted products and density board preparation process.
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| WO2018068583A1 (en) * | 2016-10-12 | 2018-04-19 | 浙江农林大学 | Artificial wood material and preparation method therefor |
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