CN107142119B - A kind of reuse method of the waste and old branch of wicker plaiting article - Google Patents
A kind of reuse method of the waste and old branch of wicker plaiting article Download PDFInfo
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- CN107142119B CN107142119B CN201710254270.9A CN201710254270A CN107142119B CN 107142119 B CN107142119 B CN 107142119B CN 201710254270 A CN201710254270 A CN 201710254270A CN 107142119 B CN107142119 B CN 107142119B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
- C10B57/06—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
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- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of reuse method of the waste and old branch of wicker plaiting article, include the following steps：（1）Branch pretreatment,（2）Face coat removal processing,（3）High temperature high pressure process,（4）Acid-base solution processing,（5）Modification,（6）Carbonization treatment.The present invention is targetedly handled for the waste and old branch material of wicker plaiting article, pass through the change to branch surface, internal organizational structure, the adjustment of inner material content and ratio, control of carbonization treatment technique parameter etc., effectively enhance the carbonation rate to branch entirety, improve the quality of carbonization, for the final carbonation rate that may be such that branch up to more than 99.5%, the specific surface area of obtained biological carbon is not less than 3500m2/ gram, more than 20% is improved than the prior art, and micropore ratio more than 96.5%, shows extremely strong characterization of adsorption in its obtained biological carbon, use value is very high.
Description
Technical field
The invention belongs to stalk material processing technique field technical field, and in particular to a kind of profit again of waste and old branch of wicker plaiting article
Use method.
Background technology
Funan County, is under the jurisdiction of Anhui Province's Fuyang City, belongs to inland exploitation area earlier, on the Anhui Province northwestward, Huaihe River
Middle reaches engaging portion north bank.Funan County is known as " famous-brand and high-quality specialty county ", the title of " Natural resources reservoir ", be national grain-production great Xian, in
The unique agricultural in township, the whole nation of state's wicker plaiting article（Forestry）Circular economy demonstration pilot project county, Funan are the townshiies of national wicker plaiting article, wicker products
It is sold abroad.
Wicker products is container common in current people's life, craftwork etc., but it is respectively provided with as most commodity
Certain service life, it uses functional lesion or forfeiture after destructurized, is finally abandoned by people.Most wicker productses
Formed by braidings such as purple willow branch, agricultural crop straws, although can be degraded under natural conditions, required time is longer, people
Burning destruction is usually carried out, and this measure can bring environment larger destruction, while will also result in the waste of raw material.
Biological carbon can not only greatly improve soil fertility, and fertile high carbon storehouse soil is cultivated on dead soil,
Most direct effect is exactly to significantly improve crop yield and quality, can also reduce the chemicals such as chemical fertilizer, pesticide indirectly
Amount of application.Most critical is that effectively absorption solidification among biological carbon, reduces the discharge of greenhouse gases carbon, and to oil
The dependence of product.It there is now the method for carrying out carbonization processing using raw materials such as branch, stalks and preparing biological carbon, but most carbonizations
Rate is not high, and typically not greater than 80%, and obtained biological carbon is there are the performance parameters such as specific surface area, voidage are poor, streaking
The problems such as, limit the recycling of branch, stalk etc..
The content of the invention
The purpose of the present invention is for it is existing the problem of, there is provided a kind of reuse method of the waste and old branch of wicker plaiting article, effectively
The reuse ratio of wicker plaiting article material is improved, the improvement to environment has promotes meaning very well.
The present invention is achieved by the following technical solutions：
A kind of reuse method of the waste and old branch of wicker plaiting article, includes the following steps：
（1）Branch pre-processes：
A. wicker plaiting article is recycled or is woven the waste and old branch collected to pile up by specification classification, then rinsed repeatedly with clear water,
Remove spare after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a is handled will be operated to be put into forcing press, the water inside waste and old branch is removed with external force extruding
Point, and after carrying out shape correction process to it, then waste and old branch taken out spare；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and the temperature of heating holding coating removal liquid is
33 ~ 37 DEG C, then heat-insulation soaking takes out after handling 15 ~ 20min, then the surface with the waste and old branch of deionized water high pressure washing, most
After drain spare after surface moisture, each material composition and corresponding content are in the coating removal liquid：Butyl 200
~ 260g/L, 80 ~ 150g/L of ethyl acetate, 10 ~ 30g/L of dimethylbenzene, 10 ~ 20g/L of neopelex, three monochloroacetic acids
10 ~ 25g/L, surplus are water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, phosphate aqueous solution steam is passed through into hermetically sealed can, together
When the pressure in hermetically sealed can increased into 2.5 ~ 3.0MPa, waste and old branch is carried out after heat-insulation pressure keeping handles 45 ~ 60min, then will be close
Sealed cans are down to normal temperature and pressure, then take out waste and old branch spare；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing is first put in immersion treatment 15 in the citric acid solution that mass fraction is 3 ~ 5%
~ 30min, after the completion of be drawn off being put into 25 ~ 35min of immersion treatment in the sodium hydroxide solution that mass fraction is 4 ~ 6% again, most
It is drawn off being rinsed well with clear water again afterwards spare；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, will be useless after 30 ~ 40min of immersion treatment
Old branch taking-up is spare, and each material and corresponding percetage by weight are in the mixing sugar aqueous solution：Glucose 4 ~ 6%, xylose 1 ~
3%th, soyabean oligosaccharides 0.5 ~ 2%, surplus are water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel air insulating treatment, is then launched carbon
Change in stove, it is 400 ~ 600 DEG C that heating, which keeps the temperature in carbide furnace, is drawn off after 1 ~ 1.5h of pyrolysis carbonization treatment, obtains finished product
Be carbonized branch.
Further, step（2）Described in when waste and old branch is put into immersion treatment in coating removal liquid, constantly to useless
Old branch carries out stirring processing.
Further, step（3）Described in phosphate aqueous solution in phosphoric acid mass fraction be 5 ~ 7%.
Further, step（3）Described in when being down to normal temperature and pressure processing to hermetically sealed can, needed for control process when
A length of 8 ~ 15min.
Further, step（5）Described in immersion treatment when, during which also to waste and old branch apply frequency be 22 ~ 25kHz
Ultrasonication.
Further, step（6）Described in carbonization treatment when keep carbide furnace in pressure be 0.4 ~ 0.6MPa.
Purple willow branch can coat coast of paint material usually after braiding on its surface, to strengthen its antibacterial corrosion resistant performance, lifting
Its service life.The present invention carries out again primarily directed to the branch of wicker products produced in wicker plaiting article processing procedure or discarded recycling
Utilize, it is how low there are carbonation rate although now more various for the technique of woody cotton branch carbonization treatment, to raw material profit
Not high with rate, the problem of biological carbon processed is of poor quality, the present invention passes through substantial amounts of practice summary, hair to improve this problem
The improvement of raw material institutional framework, the controls of the ratio of inner material content, carbonization technique parameter such as existing carbonation rate etc. and branch
Etc. closely bound up, rational adjustment and improvement have been carried out to existing processing technology based on this, wherein the present invention first to branch into
Pretreatment, removal surface impurity etc. of having gone is beneficial to subsequent operation, and has carried out supercharging Shape correction to branch, is carbonized easy to finished product
The transport and utilization of branch, have carried out face coat removal processing afterwards, and the paint on branch surface is effectively eliminated by this operation
The chemical coating coatings such as material, effectively carry out providing guarantee, have carried out high temperature to branch again afterwards for follow-up carbonization treatment
High steam processs, wherein using the steam blasting effect of high temperature and pressure, the effective loose fibre structure of branch entirety, changes
It has been apt to comparatively dense after its long-time service drying shrinkage, the problem of being unfavorable for later stage carbonization treatment, while has promoted cellulose, wooden again
The separation activation of element etc., adds the gap between plant fiber, later stage carbonation rate and carbonization quality is enhanced well, wherein making
Steam is phosphate aqueous solution steam, and phosphoric acid solution can promote the carbonation rate and effect of later stage branch, while by high temperature
High steam processs operates scattered and branch absorption to phosphoric acid of the phosphoric acid in branch that can be more convenient for, and then enhances phosphoric acid
Action effect and utilization rate, improve the quality of later stage carbonization, and have carried out modification to branch, branch are put into mixed
Close and soaked in sugar aqueous solution, wherein mixing sugar aqueous solution contains glucose, xylose, soyabean oligosaccharides component, this several sugar
The addition of constituents effectively can be combined life during the carbonization treatment in later stage with the aromatic hydrocarbons structure lignocellulosic in branch
Into biomass carbon material, and then the utilization rate and carbonation rate of branch material are improved, the ultrasonication during which applied can be lifted
Absorption of the branch for active ingredient absorbs, and pressure during last carbonization treatment inside lifting is more conducive to the complete of carbonization process.
The present invention has the following advantages compared with prior art：
The present invention is targetedly handled for the waste and old branch material of wicker plaiting article, by branch surface, interior tissue
The change of structure, the adjustment of inner material content and ratio, control of carbonization treatment technique parameter etc., effectively enhance to branch
Overall carbonation rate, improves the quality of carbonization, finally may be such that the carbonation rate of branch up to more than 99.5%, obtained biological carbon
Specific surface area be not less than 3500m2/ gram, improve more than 20%, and micropore ratio in its obtained biological carbon than the prior art
More than 96.5%, extremely strong characterization of adsorption is shown, use value is very high.
Embodiment
Embodiment 1
A kind of reuse method of the waste and old branch of wicker plaiting article, includes the following steps：
（1）Branch pre-processes：
A. wicker plaiting article is recycled or is woven the waste and old branch collected to pile up by specification classification, then rinsed repeatedly with clear water,
Remove spare after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a is handled will be operated to be put into forcing press, the water inside waste and old branch is removed with external force extruding
Point, and after carrying out shape correction process to it, then waste and old branch taken out spare；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and the temperature of heating holding coating removal liquid is
33 ~ 34 DEG C, then taken out after heat-insulation soaking processing 15min, then the surface with the waste and old branch of deionized water high pressure washing, finally drip
Spare after dry surface moisture, each material composition and corresponding content are in the coating removal liquid：Butyl 200g/L,
Ethyl acetate 80g/L, dimethylbenzene 10g/L, neopelex 10g/L, three monochloroacetic acid 10g/L, surplus is water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, phosphate aqueous solution steam is passed through into hermetically sealed can, together
When the pressure in hermetically sealed can increased into 2.5MPa, after heat-insulation pressure keeping processing 45min is carried out to waste and old branch, then hermetically sealed can is down to
Normal temperature and pressure, then takes out waste and old branch spare；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing is first put in immersion treatment in the citric acid solution that mass fraction is 3%
15min, after the completion of be drawn off being put into immersion treatment 25min in the sodium hydroxide solution that mass fraction is 4% again, finally again will
Its taking-up is rinsed well spare with clear water；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, by waste and old branch after immersion treatment 30min
Bar taking-up is spare, and each material and corresponding percetage by weight are in the mixing sugar aqueous solution：Glucose 4%, xylose 1%, soybean
Oligosaccharide 0.5%, surplus are water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel air insulating treatment, is then launched carbon
Change in stove, it is 400 ~ 600 DEG C that heating, which keeps the temperature in carbide furnace, is drawn off after pyrolysis carbonization treatment 1h, obtains finished product carbonization
Branch.
Further, step（2）Described in when waste and old branch is put into immersion treatment in coating removal liquid, constantly to useless
Old branch carries out stirring processing.
Further, step（3）Described in phosphate aqueous solution in phosphoric acid mass fraction be 5%.
Further, step（3）Described in when being down to normal temperature and pressure processing to hermetically sealed can, needed for control process when
A length of 8 ~ 10min.
Further, step（5）Described in immersion treatment when, it is 22kHz during which also to apply frequency to waste and old branch
Ultrasonication.
Further, step（6）Described in carbonization treatment when keep carbide furnace in pressure be 0.4MPa.
Embodiment 2
A kind of reuse method of the waste and old branch of wicker plaiting article, includes the following steps：
（1）Branch pre-processes：
A. wicker plaiting article is recycled or is woven the waste and old branch collected to pile up by specification classification, then rinsed repeatedly with clear water,
Remove spare after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a is handled will be operated to be put into forcing press, the water inside waste and old branch is removed with external force extruding
Point, and after carrying out shape correction process to it, then waste and old branch taken out spare；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and the temperature of heating holding coating removal liquid is
34 ~ 35 DEG C, then taken out after heat-insulation soaking processing 18min, then the surface with the waste and old branch of deionized water high pressure washing, finally drip
Spare after dry surface moisture, each material composition and corresponding content are in the coating removal liquid：Butyl 230g/L,
Ethyl acetate 100g/L, dimethylbenzene 20g/L, neopelex 15g/L, three monochloroacetic acid 20g/L, surplus is water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, phosphate aqueous solution steam is passed through into hermetically sealed can, together
When the pressure in hermetically sealed can increased into 2.8MPa, after heat-insulation pressure keeping processing 50min is carried out to waste and old branch, then hermetically sealed can is down to
Normal temperature and pressure, then takes out waste and old branch spare；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing is first put in immersion treatment in the citric acid solution that mass fraction is 4%
25min, after the completion of be drawn off being put into immersion treatment 30min in the sodium hydroxide solution that mass fraction is 5% again, finally again will
Its taking-up is rinsed well spare with clear water；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, by waste and old branch after immersion treatment 35min
Bar taking-up is spare, and each material and corresponding percetage by weight are in the mixing sugar aqueous solution：Glucose 5%, xylose 2%, soybean
Oligosaccharide 1.5%, surplus are water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel air insulating treatment, is then launched carbon
Change in stove, it is 400 ~ 600 DEG C that heating, which keeps the temperature in carbide furnace, is drawn off after pyrolysis carbonization treatment 1.2h, obtains finished product carbon
Change branch.
Further, step（2）Described in when waste and old branch is put into immersion treatment in coating removal liquid, constantly to useless
Old branch carries out stirring processing.
Further, step（3）Described in phosphate aqueous solution in phosphoric acid mass fraction be 6%.
Further, step（3）Described in when being down to normal temperature and pressure processing to hermetically sealed can, needed for control process when
A length of 10min.
Further, step（5）Described in immersion treatment when, it is 24kHz during which also to apply frequency to waste and old branch
Ultrasonication.
Further, step（6）Described in carbonization treatment when keep carbide furnace in pressure be 0.5MPa.
Embodiment 3
A kind of reuse method of the waste and old branch of wicker plaiting article, includes the following steps：
（1）Branch pre-processes：
A. wicker plaiting article is recycled or is woven the waste and old branch collected to pile up by specification classification, then rinsed repeatedly with clear water,
Remove spare after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a is handled will be operated to be put into forcing press, the water inside waste and old branch is removed with external force extruding
Point, and after carrying out shape correction process to it, then waste and old branch taken out spare；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and the temperature of heating holding coating removal liquid is
36 ~ 37 DEG C, then taken out after heat-insulation soaking processing 20min, then the surface with the waste and old branch of deionized water high pressure washing, finally drip
Spare after dry surface moisture, each material composition and corresponding content are in the coating removal liquid：Butyl 260g/L,
Ethyl acetate 150g/L, dimethylbenzene 30g/L, neopelex 20g/L, three monochloroacetic acid 25g/L, surplus is water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, phosphate aqueous solution steam is passed through into hermetically sealed can, together
When the pressure in hermetically sealed can increased into 3.0MPa, after heat-insulation pressure keeping processing 60min is carried out to waste and old branch, then hermetically sealed can is down to
Normal temperature and pressure, then takes out waste and old branch spare；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing is first put in immersion treatment in the citric acid solution that mass fraction is 5%
30min, after the completion of be drawn off being put into immersion treatment 35min in the sodium hydroxide solution that mass fraction is 6% again, finally again will
Its taking-up is rinsed well spare with clear water；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, by waste and old branch after immersion treatment 40min
Bar taking-up is spare, and each material and corresponding percetage by weight are in the mixing sugar aqueous solution：Glucose 6%, xylose 3%, soybean
Oligosaccharide 2%, surplus are water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel air insulating treatment, is then launched carbon
Change in stove, it is 400 ~ 600 DEG C that heating, which keeps the temperature in carbide furnace, is drawn off after pyrolysis carbonization treatment 1.5h, obtains finished product carbon
Change branch.
Further, step（2）Described in when waste and old branch is put into immersion treatment in coating removal liquid, constantly to useless
Old branch carries out stirring processing.
Further, step（3）Described in phosphate aqueous solution in phosphoric acid mass fraction be 7%.
Further, step（3）Described in when being down to normal temperature and pressure processing to hermetically sealed can, needed for control process when
A length of 15min.
Further, step（5）Described in immersion treatment when, it is 25kHz during which also to apply frequency to waste and old branch
Ultrasonication.
Further, step（6）Described in carbonization treatment when keep carbide furnace in pressure be 0.6MPa.
Comparative example 1
This comparative example 1 compared with Example 2, changes original step（3）The method of high temperature high pressure process, specifically not
High temperature and high pressure steam processing is carried out to it, but branch is immersed in the phosphate aqueous solution that mass fraction is 6% under normal temperature condition
In, method and step all same in addition.
Comparative example 2
This comparative example 2 compared with Example 2, saves step（5）Modification, method and step in addition are homogeneous
Together.
Comparative example 3
This comparative example 3 compared with Example 2, changes original step（5）The method of modification, is specifically being carbonized
Without pressurized treatment, method and step all same in addition during processing.
Control group
Existing conventional branch carbonization treatment method.
In order to contrast effect of the present invention, the purple willow branch of the wicker products of same batch recycling is selected（Do water-based in surface
Paint coating processing）As experimental subjects, five groups are randomly divided into, it is real with above-described embodiment 2, comparative example 1, contrast respectively
Apply example 2, comparative example 3, the method described in control group to be processed, and the biological carbon to being processed into carries out quality survey
Examination, specific correction data are as shown in table 1 below：
Table 1
| Purple willow branch carbonation rate（%） | Biological carbon average specific surface area（m2/ gram） | Micropore ratio in biological carbon（%） | |
| Embodiment 2 | 99.7 | 3650 | 97.1 |
| Comparative example 1 | 86.1 | 2500 | 85.7 |
| Comparative example 2 | 94.5 | 3400 | 93.6 |
| Comparative example 3 | 92.6 | 3260 | 91.8 |
| Control group | 80.2 | 2200 | 81.3 |
The carbonation rate of the more existing carbonization treatment method of the present invention, carbonization quality have it can be seen from upper table 1 carries well
Rise, obtained biological carbon adsorptivity, performance more preferably, effectively improve the economic benefit of processing, have progressive well anticipate
Justice.
Claims (6)
1. a kind of reuse method of the waste and old branch of wicker plaiting article, it is characterised in that include the following steps：
（1）Branch pre-processes：
A. wicker plaiting article is recycled or is woven the waste and old branch collected to pile up by specification classification, then rinsed, removed repeatedly with clear water
It is spare after the sand on its surface, dirt impurity；
B. the waste and old branch after a is handled will be operated to be put into forcing press, the moisture inside waste and old branch is removed with external force extruding, and
After shape correction process being carried out to it, then the taking-up of waste and old branch is spare；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and it is 33 ~ 37 that heating, which keeps the temperature of coating removal liquid,
DEG C, then heat-insulation soaking takes out after handling 15 ~ 20min, then the surface with the waste and old branch of deionized water high pressure washing, finally drains
Spare after surface moisture, each material composition and corresponding content are in the coating removal liquid：200 ~ 260g/ of butyl
L, 80 ~ 150g/L of ethyl acetate, 10 ~ 30g/L of dimethylbenzene, 10 ~ 20g/L of neopelex, three 10 ~ 25g/ of monochloroacetic acid
L, surplus are water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, and phosphate aqueous solution steam is passed through into hermetically sealed can, at the same time will
Pressure in hermetically sealed can increases to 2.5 ~ 3.0MPa, waste and old branch is carried out after heat-insulation pressure keeping handles 45 ~ 60min, then by hermetically sealed can
Normal temperature and pressure is down to, is then taken out waste and old branch spare；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing be first put in mass fraction be 3 ~ 5% citric acid solution in immersion treatment 15 ~
30min, after the completion of be drawn off being put into 25 ~ 35min of immersion treatment in the sodium hydroxide solution that mass fraction is 4 ~ 6% again, finally
It is drawn off being rinsed well with clear water again spare；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, by waste and old branch after 30 ~ 40min of immersion treatment
Bar taking-up is spare, and each material and corresponding percetage by weight are in the mixing sugar aqueous solution：Glucose 4 ~ 6%, xylose 1 ~ 3%,
Soyabean oligosaccharides 0.5 ~ 2%, surplus are water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel air insulating treatment, is then launched carbide furnace
In, it is 400 ~ 600 DEG C that heating, which keeps the temperature in carbide furnace, is drawn off after 1 ~ 1.5h of pyrolysis carbonization treatment, obtains finished product carbonization
Branch.
A kind of 2. reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（2）Middle institute
State when waste and old branch is put into immersion treatment in coating removal liquid, constantly waste and old branch is carried out to stir processing.
A kind of 3. reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（3）Middle institute
The mass fraction of phosphoric acid is 5 ~ 7% in the phosphate aqueous solution stated.
A kind of 4. reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（3）Middle institute
State hermetically sealed can is down to normal temperature and pressure processing when, when a length of 8 ~ 15min needed for control process.
A kind of 5. reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（5）Middle institute
During the immersion treatment stated, during which also apply the ultrasonication that frequency is 22 ~ 25kHz to waste and old branch.
A kind of 6. reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（6）Middle institute
It is 0.4 ~ 0.6MPa that the pressure in carbide furnace is kept during the carbonization treatment stated.
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| CN108102655A (en) * | 2017-12-20 | 2018-06-01 | 安徽省上行山茶叶有限公司 | A kind of soil remediation additive for cadmium pollution white tea plantation field |
| CN108424018B (en) * | 2018-04-21 | 2020-11-24 | 阜南县大自然工艺品股份有限公司 | Preparation method of waste woven product filler for enhancing quality of asphalt concrete |
| CN108705637A (en) * | 2018-04-21 | 2018-10-26 | 阜南县大自然工艺品有限公司 | A kind of recoverying and utilizing method of the waste and old branch of wicker plaiting article |
| CN108789727A (en) * | 2018-04-21 | 2018-11-13 | 阜南县金威工艺品有限公司 | A kind of batch manufacturing method of high stability rice straw for braiding |
| CN108673677A (en) * | 2018-04-21 | 2018-10-19 | 阜南县金威工艺品有限公司 | A kind of preparation method of the hand-weaving product stalk of stable structure |
| CN108611097A (en) * | 2018-06-11 | 2018-10-02 | 阜南县中信柳木工艺品有限公司 | A kind of recycling method of waste and old wicker plaiting article raw material |
| CN111570493A (en) * | 2020-05-15 | 2020-08-25 | 江苏省环境科学研究院 | Soil remediation method for landscape ecological environment protection |
| CN112248174A (en) * | 2020-10-27 | 2021-01-22 | 阜南县明强柳编工艺品有限公司 | Wood powder prepared from waste wickerwork |
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| CN1272242C (en) * | 2005-01-27 | 2006-08-30 | 西北农林科技大学 | Active carbon producing process with mixed stalk material |
| CN102249224B (en) * | 2011-05-20 | 2012-12-26 | 山东大学 | Preparation method of activated carbon from livestock horns |
| US9108186B2 (en) * | 2013-01-25 | 2015-08-18 | Cabot Corporation | Phosphoric acid treatment of carbonaceous material prior to activation |
| CN105542808A (en) * | 2016-02-22 | 2016-05-04 | 王志成 | All-closed zero-emission household refuse energy regeneration and comprehensive utilization production process |
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