CN107082457A - A kind of mineral decolorising agent and preparation method thereof - Google Patents
A kind of mineral decolorising agent and preparation method thereof Download PDFInfo
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- CN107082457A CN107082457A CN201710400569.0A CN201710400569A CN107082457A CN 107082457 A CN107082457 A CN 107082457A CN 201710400569 A CN201710400569 A CN 201710400569A CN 107082457 A CN107082457 A CN 107082457A
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- mineral
- miberal powder
- decolorising agent
- acid
- solution
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
Abstract
The invention discloses a kind of mineral decolorising agent and preparation method thereof, wherein, the mineral decolorising agent is aluminosilicate；Preparing the method for mineral decolorising agent includes：S1. mineral products are crushed into the miberal powder for 180 200 mesh, is 1 according to solid-to-liquid ratio：Miberal powder is added to the water by 7 13 ratio, and is stirred 0.5 1.5 hours with 100 140 revs/min of speed and obtain miberal powder solution；S2. dispersant is added into miberal powder solution and is stirred, the mass ratio of dispersant and miberal powder solution is 15：10000；S3. selected miberal powder is filtered out；S4. it is 1 according to solid-to-liquid ratio：Selected miberal powder is added concentration in the acid solution of 0.8 4 mol/Ls, activation process to be carried out under conditions of 60~90 °C 18 hours by 25 ratio, obtains activator；S5. it is 35 activator to be washed with clear water to pH value；S6. the activator after drying washing at a temperature of 90 110 °C obtains mineral decolorising agent.Mineral decolorising agent in the present invention cost compared with existing decolorising agent is lower, and when reaching same decolorizing effect, cost performance is higher.
Description
Technical field
The present invention relates to decolorising agent preparing technical field, more particularly to a kind of mineral decolorising agent and preparation method thereof.
Background technology
Decolorising agent can probably be divided into three classes according to bleaching principle, flocculating decoloring agent, oxidative decoloration agent and adsorption decolouriser.
Flocculating decoloring agent integrates the quaternary amine type cationic polymeric compound of a variety of functions such as decolouring, flocculation, degraded COD.Absorption
Decolorising agent is generally activated carbon, carclazyte or polymeric adsorbent can directly filter out the impurity and oxide in oil product with the mode of filtering,
Collect removal of impurities, de-taste, decolourize, being located away from one.Oxidative decoloration agent is to use oxidizing substance, such as sodium hypochlorite, potassium permanganate, smelly
Oxygen etc., coloured groups are destroyed and reach the purpose for removing colourity.
In sewage disposal, need decolorising agent special in the case that colourity is still high after ordinary circumstance lower front end biochemical treatment
Door processing, to reach colourity discharge standard.Decolorising agent species used in current sewage disposal is various, but with organic polymer
Based on polymer.This kind of decolorising agent primary disadvantage is that unit price it is very high, typically all more than 10,000 yuan, matter it is measured 30,000 yuan with
On, the Inorganic decolorising agent even used currently on the market --- activated carbon its price is also in ten thousand yuan/ton or so of 1-2.In processing
During high-colour intensity wastewater, addition can be than larger, and such processing cost can remain high.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of mineral decolorising agent and preparation method thereof, valency
Lattice are cheap.
The purpose of the present invention is achieved through the following technical solutions：A kind of mineral decolorising agent, the mineral decolorising agent
For aluminosilicate.
It is preferred that, the aluminosilicate includes following components in percent by weight：65-70% SiO2, 13-19%
Al2O3, 0.5-1% K2O, 1.5-2% Na2O, 1-1.5% CaO, 3-4% MgO, 1.5-2% Fe2O3And 5-
8% H2O。
A kind of method for preparing mineral decolorising agent of the present invention, including：
S1. mineral products are crushed into the miberal powder for 180-200 mesh, is 1 according to solid-to-liquid ratio：Miberal powder is added water by 7-13 ratio
In, and miberal powder solution is obtained in 0.5-1.5 hours with 100-140 revs/min of speed stirring；
S2. dispersant is added into miberal powder solution and is stirred, the mass ratio of dispersant and miberal powder solution is 1-5：10000；
S3. selected miberal powder is filtered out；
S4. it is 1 according to solid-to-liquid ratio：2-5 ratio adds selected miberal powder in the acid solution that concentration is 0.8-4 mol/Ls,
Activation process is carried out under conditions of 60~90 DEG C 1-8 hours, obtain activator；
S5. it is 3-5 activator to be washed with clear water to pH value；
S6. the activator after drying washing at a temperature of 90-110 DEG C obtains mineral decolorising agent.
It is preferred that, the mineral products are diatomite, kaolin or bentonite.
It is preferred that, the dispersant is calgon or sodium hydroxide.
It is preferred that, the acid solution is hydrochloric acid, sulfuric acid or nitric acid.
It is preferred that, the acid solution is the mixed acid of at least two compositions in hydrochloric acid, sulfuric acid and nitric acid.
It is preferred that, in the activation process, the dissolution rate of magnesium, iron and aluminium in selected miberal powder is detected in real time, and in magnesium and iron
Dissolution rate be 70%-80% when terminate activation process.
The beneficial effects of the invention are as follows：
(1) cost compared with existing decolorising agent of the mineral decolorising agent in the present invention is lower, is reaching same decolorizing effect
When cost performance it is higher；
(2) the mineral decolorising agent in the present invention can also remove the impurity such as turbidity, COD, ammonia nitrogen.
Embodiment
Technical scheme is detailed further below, but protection scope of the present invention is not limited to following institute
State.
Embodiment one
In the present embodiment, mineral decolorising agent is aluminosilicate, and the aluminosilicate includes following mass percentage contents
Component：65% SiO2, 19% Al2O3, 1% K2O, 2% Na2O, 1% CaO, 3% MgO, 2% Fe2O3With
7% H2O。
The mineral decolorising agent is made by the following method, and specific steps include：
Mineral products are crushed into the miberal powder for 180 mesh, are 1 according to solid-to-liquid ratio：Miberal powder is added to the water by 7 ratio, and with 100
Rev/min speed stirring obtain miberal powder solution within 0.5 hour；Dispersant is added into miberal powder solution and is stirred, dispersant and ore deposit
The mass ratio of powder solution is 1：10000；Filter out selected miberal powder；It is 1 according to solid-to-liquid ratio：2 ratio adds selected miberal powder dense
Spend in the acid solution for 0.8 mol/L, activation process is carried out under conditions of 60 DEG C 1 hour, obtain activator；Activator is used
It is 3 that clear water, which is washed to pH value,；Activator after drying washing at a temperature of 90 DEG C obtains mineral decolorising agent.
The mineral products are diatomite, kaolin or bentonite.
The dispersant is calgon or sodium hydroxide.
The acid solution is hydrochloric acid, sulfuric acid or nitric acid；The acid solution is the mixed of at least two compositions in hydrochloric acid, sulfuric acid and nitric acid
Close acid.
Contrast test is carried out to this programme product, the decolorising agent-activated carbon and this programme product commonly used using in the market
It is removed colorimetric assay.Experiment sewage picks up from Chengdu sewage treatment plant, and collection point is in second pond, its result such as institute of table 1
Show.
The activated carbon of table 1 carries out the result of the test except colorimetric assay with this programme product
Embodiment two
In the present embodiment, mineral decolorising agent is aluminosilicate, and the aluminosilicate includes following mass percentage contents
Component：70% SiO2, 13% Al2O3, 0.5% K2O, 2% Na2O, 1.5% CaO, 3% MgO, 2% Fe2O3
With 8% H2O。
The mineral decolorising agent is made by the following method, and specific steps include：
Mineral products are crushed into the miberal powder for 190 mesh, are 1 according to solid-to-liquid ratio：Miberal powder is added to the water by 8 ratio, and with 110
Rev/min speed stirring obtain miberal powder solution within 0.7 hour；Dispersant is added into miberal powder solution and is stirred, dispersant and ore deposit
The mass ratio of powder solution is 2：10000；Filter out selected miberal powder；It is 1 according to solid-to-liquid ratio：3 ratio adds selected miberal powder dense
Spend in the acid solution for 1.5 mol/Ls, activation process is carried out under conditions of 70 DEG C 5 hours, obtain activator；Activator is used
It is 3.5 that clear water, which is washed to pH value,；Activator after drying washing at a temperature of 95 DEG C obtains mineral decolorising agent.
The mineral products are diatomite, kaolin or bentonite.
The dispersant is calgon or sodium hydroxide.
The acid solution is hydrochloric acid, sulfuric acid or nitric acid；The acid solution is the mixed of at least two compositions in hydrochloric acid, sulfuric acid and nitric acid
Close acid.
Contrast test is carried out to this programme product, the decolorising agent-activated carbon and this programme product commonly used using in the market
It is removed colorimetric assay.Experiment sewage picks up from Bazhong City food processing factory, and collection point is in second pond, its result such as institute of table 2
Show.
The activated carbon of table 2 carries out the result of the test except colorimetric assay with this programme product
Embodiment three
In the present embodiment, mineral decolorising agent is aluminosilicate, and the aluminosilicate includes following mass percentage contents
Component：69% SiO2, 17% Al2O3, 1% K2O, 1.5% Na2O, 1% CaO, 3.5% MgO, 2% Fe2O3
With 5% H2O。
The mineral decolorising agent is made by the following method, and specific steps include：
Mineral products are crushed into the miberal powder for 200 mesh, are 1 according to solid-to-liquid ratio：Miberal powder is added to the water by 10 ratio, and with
120 revs/min of speed stirring obtains miberal powder solution in 1 hour；Dispersant is added into miberal powder solution and is stirred, dispersant and ore deposit
The mass ratio of powder solution is 3：10000；Filter out selected miberal powder；It is 1 according to solid-to-liquid ratio：4 ratio adds selected miberal powder dense
Spend in the acid solution for 2 mol/Ls, activation process is carried out under conditions of 80 DEG C 8 hours, obtain activator；By activator with clearly
Water washing to pH value is 4；Activator after drying washing at a temperature of 100 DEG C obtains mineral decolorising agent.
The mineral products are diatomite, kaolin or bentonite.
The dispersant is calgon or sodium hydroxide.
The acid solution is hydrochloric acid, sulfuric acid or nitric acid；The acid solution is the mixed of at least two compositions in hydrochloric acid, sulfuric acid and nitric acid
Close acid.
Contrast test is carried out to this programme product, the decolorising agent-activated carbon and this programme product commonly used using in the market
It is removed colorimetric assay.Experiment sewage picks up from Chinese medicine processing factory of Chongqing City, and collection point is in second pond, its result such as institute of table 3
Show.
The activated carbon of table 3 carries out the result of the test except colorimetric assay with this programme product
Example IV
In the present embodiment, mineral decolorising agent is aluminosilicate, and the aluminosilicate includes following mass percentage contents
Component：69% SiO2, 16% Al2O3, 1% K2O, 1.5% Na2O, 1% CaO, 4% MgO, 1.5% Fe2O3
With 6% H2O。
The mineral decolorising agent is made by the following method, and specific steps include：
Mineral products are crushed into the miberal powder for 200 mesh, are 1 according to solid-to-liquid ratio：Miberal powder is added to the water by 11 ratio, and with
130 revs/min of speed stirring obtains miberal powder solution in 1.3 hours；Add and dispersant and stir into miberal powder solution, dispersant and
The mass ratio of miberal powder solution is 4：10000；Filter out selected miberal powder；It is 1 according to solid-to-liquid ratio：5 ratio adds selected miberal powder
Concentration for 3 mol/Ls acid solution in, activation process is carried out under conditions of 85 DEG C, and detect in real time magnesium in selected miberal powder, iron and
The dissolution rate of aluminium, terminates activation process when the dissolution rate that the dissolution rate of magnesium and iron is 70%, aluminium is 45%, obtains activator；
It is 4.5 that activator, which is washed with clear water to pH value,；Activator after drying washing at a temperature of 105 DEG C obtains mineral decolorising agent.
The mineral products are diatomite, kaolin or bentonite.
The dispersant is calgon or sodium hydroxide.
The acid solution is hydrochloric acid, sulfuric acid or nitric acid；The acid solution is the mixed of at least two compositions in hydrochloric acid, sulfuric acid and nitric acid
Close acid.
Contrast test is carried out to this programme product, the decolorising agent-activated carbon and this programme product commonly used using in the market
It is removed colorimetric assay.Experiment sewage, which picks up from Guanghan City, Metal Processing Factory, and collection point is in second pond, its result such as table 4
It is shown.
The activated carbon of table 4 carries out the result of the test except colorimetric assay with this programme product
Embodiment five
In the present embodiment, mineral decolorising agent is aluminosilicate, and the aluminosilicate includes following mass percentage contents
Component：67% SiO2, 18% Al2O3, 0.7% K2O, 1.8% Na2O, 1.3% CaO, 3.7% MgO, 1.9%
Fe2O3With 5.6% H2O。
The mineral decolorising agent is made by the following method, and specific steps include：
Mineral products are crushed into the miberal powder for 200 mesh, are 1 according to solid-to-liquid ratio：Miberal powder is added to the water by 13 ratio, and with
140 revs/min of speed stirring obtains miberal powder solution in 1.5 hours；Add and dispersant and stir into miberal powder solution, dispersant and
The mass ratio of miberal powder solution is 5：10000；Filter out selected miberal powder；It is 1 according to solid-to-liquid ratio：5 ratio adds selected miberal powder
Concentration for 4 mol/Ls acid solution in, activation process is carried out under conditions of 90 DEG C, and detect in real time magnesium in selected miberal powder, iron and
The dissolution rate of aluminium, terminates activation process when the dissolution rate that the dissolution rate of magnesium and iron is 75%, aluminium is 50%, obtains activator；
It is 5 that activator, which is washed with clear water to pH value,；Activator after drying washing at a temperature of 110 DEG C obtains mineral decolorising agent.
The mineral products are diatomite, kaolin or bentonite.
The dispersant is calgon or sodium hydroxide.
The acid solution is hydrochloric acid, sulfuric acid or nitric acid；The acid solution is the mixed of at least two compositions in hydrochloric acid, sulfuric acid and nitric acid
Close acid.
Contrast test is carried out to this programme product, the decolorising agent-activated carbon and this programme product commonly used using in the market
It is removed colorimetric assay.Experiment sewage picks up from commodity processing factory of Chengdu Chongzhou City, and collection point is in second pond, and its result is such as
Shown in table 5.
The activated carbon of table 5 carries out the result of the test except colorimetric assay with this programme product
Embodiment six
In the present embodiment, mineral decolorising agent is aluminosilicate, and the aluminosilicate includes following mass percentage contents
Component：69% SiO2, 16% Al2O3, 0.6% K2O, 1.9% Na2O, 1.1% CaO, 3.9% MgO, 1.6%
Fe2O3With 5.9% H2O。
The mineral decolorising agent is made by the following method, and specific steps include：
Mineral products are crushed into the miberal powder for 220 mesh, are 1 according to solid-to-liquid ratio：Miberal powder is added to the water by 13 ratio, and with
140 revs/min of speed stirring obtains miberal powder solution in 1.5 hours；Add and dispersant and stir into miberal powder solution, dispersant and
The mass ratio of miberal powder solution is 5：10000；Filter out selected miberal powder；It is 1 according to solid-to-liquid ratio：5 ratio adds selected miberal powder
Concentration for 4 mol/Ls acid solution in, activation process is carried out under conditions of 90 DEG C, and detect in real time magnesium in selected miberal powder, iron and
The dissolution rate of aluminium, terminates activation process when the dissolution rate that the dissolution rate of magnesium and iron is 80%, aluminium is 55%, obtains activator；
It is 5 that activator, which is washed with clear water to pH value,；Activator after drying washing at a temperature of 110 DEG C obtains mineral decolorising agent.
The mineral products are diatomite, kaolin or bentonite.
The dispersant is calgon or sodium hydroxide.
The acid solution is hydrochloric acid, sulfuric acid or nitric acid；The acid solution is the mixed of at least two compositions in hydrochloric acid, sulfuric acid and nitric acid
Close acid.
Contrast test is carried out to this programme product, the decolorising agent-activated carbon and this programme product commonly used using in the market
It is removed colorimetric assay.Experiment sewage picks up from Chengdu Pengshan County Electroplate Factory, and collection point is in second pond, its result such as table 6
It is shown.
The activated carbon of table 6 carries out the result of the test except colorimetric assay with this programme product
Although present invention has been a certain degree of description, it will be apparent that, do not departing from the spirit and scope of the present invention
Under the conditions of, the appropriate change of each condition can be carried out.It is appreciated that the invention is not restricted to the embodiment, and it is attributed to right
It is required that scope, it includes the equivalent substitution of each factor.
Claims (8)
1. a kind of mineral decolorising agent, it is characterised in that the mineral decolorising agent is aluminosilicate.
2. a kind of mineral decolorising agent according to claim 1, it is characterised in that the aluminosilicate includes following quality hundred
Divide the component than content：65-70% SiO2, 13-19% Al2O3, 0.5-1% K2O, 1.5-2% Na2O, 1-1.5% CaO,
3-4% MgO, 1.5-2% Fe2O3With 5-8% H2O。
3. a kind of method for preparing the mineral decolorising agent described in claim 1-2 any one, it is characterised in that including：
S1. mineral products are crushed into the miberal powder for 180-200 mesh, is 1 according to solid-to-liquid ratio：Miberal powder is added to the water by 7-13 ratio,
And miberal powder solution is obtained in 0.5-1.5 hours with 100-140 revs/min of speed stirring；
S2. dispersant is added into miberal powder solution and is stirred, the mass ratio of dispersant and miberal powder solution is 1-5：10000；
S3. selected miberal powder is filtered out；
S4. it is 1 according to solid-to-liquid ratio：Selected miberal powder is added concentration in the acid solution of 0.8-4 mol/Ls by 2-5 ratio, 60~
Activation process is carried out under conditions of 90 °C 1-8 hours, obtain activator；
S5. it is 3-5 activator to be washed with clear water to pH value；
S6. the activator after drying washing at a temperature of 90-110 °C obtains mineral decolorising agent.
4. a kind of method for preparing mineral decolorising agent according to claim 3, it is characterised in that the mineral products are diatom
Soil, kaolin or bentonite.
5. a kind of method for preparing mineral decolorising agent according to claim 3, it is characterised in that the dispersant is six inclined
Sodium phosphate or sodium hydroxide.
6. a kind of method for preparing mineral decolorising agent according to claim 3, it is characterised in that the acid solution be hydrochloric acid,
Sulfuric acid or nitric acid.
7. a kind of method for preparing mineral decolorising agent according to claim 3, it is characterised in that the acid solution be hydrochloric acid,
The mixed acid of at least two compositions in sulfuric acid and nitric acid.
8. a kind of method for preparing mineral decolorising agent according to claim 3, it is characterised in that in the activation process,
The dissolution rate of magnesium, iron and aluminium in selected miberal powder is detected in real time, and is terminated when the dissolution rate of magnesium and iron is 70%-80% at activation
Reason.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231570A (en) * | 2018-10-25 | 2019-01-18 | 刘慧� | A kind of sewage treatment process of food and cultivation industry |
| CN113578257A (en) * | 2021-07-20 | 2021-11-02 | 中国地质科学院矿产资源研究所 | Iron tailing composite material and preparation method and application thereof |
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| CN101676204A (en) * | 2008-09-19 | 2010-03-24 | 于网林 | Calcium group activation technology |
| CN102295294A (en) * | 2010-06-23 | 2011-12-28 | 郁丽华 | Calcium base activation technology |
| CN105126742A (en) * | 2015-08-11 | 2015-12-09 | 安徽锦洋氟化学有限公司 | Method for treating fluorine-containing wastewater by using modified kaolin adsorbent |
| CN106698448A (en) * | 2015-11-16 | 2017-05-24 | 青岛森美克化工技术有限公司 | Calcium based activation process |
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| CN1067031A (en) * | 1991-05-21 | 1992-12-16 | 赵世昭 | A kind of preparation method of purifying agent for polluted water |
| CN101417222A (en) * | 2007-10-23 | 2009-04-29 | 葛坤忠 | Calcium base activation technique |
| CN101676204A (en) * | 2008-09-19 | 2010-03-24 | 于网林 | Calcium group activation technology |
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| CN113578257A (en) * | 2021-07-20 | 2021-11-02 | 中国地质科学院矿产资源研究所 | Iron tailing composite material and preparation method and application thereof |
| CN113578257B (en) * | 2021-07-20 | 2023-10-31 | 中国地质科学院矿产资源研究所 | Iron tailing composite material and preparation method and application thereof |
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Application publication date: 20170822 |