CN109647356A - A kind of preparation method and its application in removal waste water in anions and canons dyestuff at the same time of both sexes adsorbent material - Google Patents
A kind of preparation method and its application in removal waste water in anions and canons dyestuff at the same time of both sexes adsorbent material Download PDFInfo
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- 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
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2101/00—Nature of the contaminant
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Abstract
The application in waste water in anions and canons dyestuff is removed the invention discloses a kind of preparation method of both sexes adsorbent material and at the same time.Preparation method of the invention includes that the condensation curing of water-soluble lignin sulfonate, lignosulfonates condensation polymer are reacted with glycidyl trimethylammonium chloride.Application of the invention is that for adsorbing, anionic dye in waste water from dyestuff is Congo red and dye of positive ion methylene blue the both sexes adsorbent material of glycidyl trimethylammonium chloride modification lignosulfonates preparation.Gained adsorbent material of the invention, adsorption effect is fine, and when respectively reaching 90.23% and 56.87% to Congo red and methylene blue removal rate, adsorption capacity is up to 270.71mg/g and 170.63mg/g respectively.
Description
Technical field
The present invention relates to the preparation of adsorbent material and the processing of waste water from dyestuff, and in particular to a kind of system of both sexes adsorbent material
Application in Preparation Method and at the same time removal waste water in anions and canons dyestuff.
Background technique
Waste water from dyestuff complicated component, coloration and CODc higher are one of intractable industrial wastewaters.Although current China is just
Industry restructuring is being carried out, smaller, the seriously polluted DYE PRODUCTION enterprise of a collection of scale is gradually banned and eliminate.But one
A little areas, this small DYE PRODUCTION enterprise is still more, and production technology falls behind mostly, and waste water is without being effectively treated directly
It is discharged into water body, causes the transparency of water body to reduce, dissolved oxygen deficit, the growth of aquatile, microorganism is generated obvious
It influences；The self-purification capacity of water body is also reduced simultaneously, seriously destroys water body, soil and ecological environment, it is strong to endanger the mankind.
At present, the method for removing Wastewater Dyes generally comprises the three categories such as physical-chemical process, chemical method and bioanalysis.And
Absorption method in physico-chemical process is to study and report a kind of more method.Absorption method is the powder or particle using cellular solid
Physical absorption and chemisorption performance, so that the pollutant in waste water is adsorbed in porous mass surface and is removed.This method is suitable
For handling containing extremely toxic substance or being difficult to the waste water of degradable chemical.Relative to other processing methods, absorption method, which has, takes
It is simple and convenient to operate with low, easily designed, equipment, purifying rate height, low power consumption and other advantages, is acknowledged as dye wastewater treatment
Important technology.
Lignosulfonates are one kind of industrial lignin, are mainly derived from the cooking waste liquor of sulphite slurrying, molecule
Although the various functional groups such as the hydroxyl contained in structure, sulfonic group have the ability of Liquidity limit, because of lignosulfonates
Water solubility makes it not have the condition as adsorbent material.The method that the present invention first passes through emulsion polymerization overcomes lignosulfonates
Water solubility, obtain lignosulfonates condensation polymer not soluble in water.But the intrinsic adsorption potential of gained lignosulfonates condensation polymer
It puts and tends to Liquidity limit, and the poor performance of adsorpting anion.The present invention recycles glycidyl trimethylammonium chloride to repair
Adorn lignosulfonates condensation polymer, obtain can Liquidity limit but also adsorpting anion both sexes adsorbent material.Preparation method
Environmental-friendly, high efficiency low cost is without secondary pollution.
Summary of the invention
Yin, yang in waste water is removed the purpose of the present invention is to provide a kind of preparation method of both sexes adsorbent material and at the same time
Application in ionic dye.
The technical solution of the present invention is as follows:
A kind of preparation method of both sexes adsorbent material, which is characterized in that modified with glycidyl trimethylammonium chloride wooden
Plain sulfonate prepares both sexes adsorbent material, specifically comprises the following steps:
(1) formaldehyde, NaOH solution and neopelex are added sequentially in lignin sulfonic acid sodium solution, first in alkali
Property condition methylolation, adds hydrochloric acid, aggregates into sodium lignin sulfonate condensation polymer not soluble in water in acid condition, mistake
Filter, washing, drying, wherein formaldehyde is as crosslinking agent, and neopelex is as emulsifier；
(2) lignosulfonates condensation polymer obtained by step (1) is suspended in N, N dimethyl acetamide (DMA) and NaOH's
It in mixed solution, stirs evenly, then glycidyl trimethylammonium chloride is added into the suspension stirred evenly and is reacted, so
After be filtered, washed, dry, obtain the both sexes adsorbent material that can adsorb anions and canons simultaneously.
Further, in step (1), the concentration of lignin sulfonic acid sodium solution is 50~200mg/L, preferably 80~
150mg/L, more preferably 80~120mg/L；The concentration of NaOH solution be 0.5~2mol/L, preferably 0.7~1.4mol/L, more
Preferably 0.9~1.1mol/L；Lignin sulfonic acid sodium solution, NaOH solution, formaldehyde and neopelex amount ratio
For 150~250ml:0.5~5ml:15~60ml:0.1~2g, preferably 170~230ml:1~3ml:25~50ml:0.3~
1g, more preferably 180~220ml:1~3ml:35~45ml:0.4~0.7g.
Further, in step (1), hydroxylating carries out under agitation, and temperature is 60~80 DEG C, the time 2
~3.5 hours；Mixed liquor pH value is adjusted to 2~3 by hydrochloric acid, and the temperature of polymerization reaction is 85~95 DEG C, and the time is 2~3 hours.
Further, in step (2), NaOH solution and N, N dimethyl acetamide (DMA) volume ratio is 1:8~14, preferably
For 1:9~12；The concentration of NaOH solution is 0.05~0.2mol/L.
Further, in step (2), in suspension, quality percentage of the sodium lignin sulfonate condensation polymer in mixed solution
Content is 6~12%, preferably 7~9%.
Further, in step (2), the mass ratio of sodium lignin sulfonate condensation polymer and glycidyl trimethylammonium chloride is
1:8~20, preferably 1:8~14, more preferably 1:9~10.
Further, in step (2), reaction temperature is 55~75 DEG C, and the reaction time is 7~10 hours.
Further, in step (1) and step (2), it is neutral for washing as washing to cleaning solution, and drying temperature is 40~70
DEG C, it is dry to constant weight.
The both sexes adsorbent material that above-mentioned preparation method obtains removes the application in waste water in anions and canons dyestuff at the same time,
Include the following steps: that both sexes adsorbent material is added in dye solution, then carries out isothermal vibration, dyestuff is residual in measurement filtrate
Concentration is stayed, calculates both sexes adsorbent material to the removal rate of yin, yang dyestuff.
Further, the dosage of both sexes adsorbent material is 0.1~0.5g/L dye solution, preferably 0.2~0.25g/L dye
Expect solution；The concentration of dye solution is 20~80mg/L；Dye solution is containing methylene blue or/and Congo red dye solution.
Further, isothermal vibration carries out in isothermal vibration device, and temperature is 29-31 DEG C, and concussion sorption reaction time is
10~24 hours.
Further, the sum of methylene blue and the Congo red amount of substance are fixed, and molar ratio is 0~3.0:3.0~0.
The beneficial effects of the present invention are:
(1) glycidyl trimethylammonium chloride modification lignosulfonates polymers prepares both sexes adsorbent material, easy to operate,
Expense is low, and will not bring secondary pollution.
(2) glycidyl trimethylammonium chloride modification lignosulfonates condensation polymer preparation both sexes adsorbent material can be inhaled simultaneously
Attached anionic dye is Congo red and dye of positive ion methylene blue, and when adsorption percentage respectively reaches 90.%, 57%, absorption is held
Amount is up to 271,171mg/g respectively.
Detailed description of the invention
Fig. 1 is that the both sexes adsorbent material of differential responses temperature preparation adsorbs Congo red adsorption rate.
Fig. 2 is that the differential responses time both sexes adsorbent material of preparation adsorbs Congo red removal rate.
Fig. 3 dosage adsorbs Congo red influence to both sexes adsorbent material.
Influence of Fig. 4 dosage to both sexes adsorbent material absorption methylene blue.
Fig. 5 both sexes adsorbent material adsorbs Congo red and adsorption capacity and separation factor of methylene blue simultaneously.
Specific embodiment
The present invention is described in more detail combined with specific embodiments below, but the present invention is not limited thereto.
Embodiment 1
2mL 1mol/L NaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/L NaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension, 55 DEG C are reacted 8 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50 DEG C
Drying to constant weight in baking oven.
Embodiment 2
2mL 1mol/L NaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/L NaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension liquid, 60 DEG C are reacted 8 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50
Drying to constant weight in DEG C baking oven.
Embodiment 3
2mL 1mol/L NaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/L NaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension liquid, 65 DEG C are reacted 8 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50
Drying to constant weight in DEG C baking oven.
Embodiment 4
2mL 1mol/L NaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/L NaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension liquid, 70 DEG C are reacted 8 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50
Drying to constant weight in DEG C baking oven.
Embodiment 5
2mL 1mol/L NaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/L NaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension liquid, 75 DEG C are reacted 8 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50
Drying to constant weight in DEG C baking oven.
Embodiment 6
Each 0.01g of both sexes adsorbent material of Example 1-5 preparation is added separately to the 50mL the Congo that concentration is 60mg/L
In red solution, after shaking fast adsorption reaction 10~24 hours with 130rpm in 30 DEG C of shaking table, measurement supernatant residual is Congo red
Concentration, then calculate adsorbent material and adsorb Congo red removal rate.
Fig. 1 is that the both sexes adsorbent material of differential responses temperature preparation adsorbs Congo red removal rate, respectively 78.6%,
83.45%, 90.23%, 89.55%, 87.53%.At 65 DEG C of temperature, glycidyl trimethylammonium chloride is grafted to sulfomethylated lignin
Ratio highest on hydrochlorate condensation polymer.
Embodiment 7
2mL 1mol/LNaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/LNaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension liquid, 65 DEG C are reacted 7 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50
Drying to constant weight in DEG C baking oven.
Embodiment 8
2mL 1mol/L NaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/L NaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension liquid, 65 DEG C are reacted 8 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50
Drying to constant weight in DEG C baking oven.
Embodiment 9
2mL 1mol/L NaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/LNaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension liquid, 65 DEG C are reacted 9 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50
Drying to constant weight in DEG C baking oven.
Embodiment 10
2mL 1mol/LNaOH solution, 40mL formaldehyde and 0.5g neopelex are added sequentially to 100mg/L
200mL lignin sulfonic acid sodium solution in, stirred 3.5 hours at 80 DEG C after mixing, then concentrated hydrochloric acid be added dropwise by pH of mixed
Value continues stirring 3 hours at 95 DEG C after being adjusted to 2.Filtering, filter residue is lignosulfonates condensation polymer, and filter is washed with deionized
After slag to neutrality, drying to constant weight.By 0.1mol/LNaOH solution and N, N dimethyl acetamide (DMA) is mixed with volume ratio 1:10
It closes.Gained lignin sulfonic acid sodium polymer is suspended in NaOH solution and N with the content of 8wt%, and N dimethyl acetamide (DMA) is mixed
It closes in solution, after stirring 10min, then by glycidyl trimethylammonium chloride and lignosulfonates polymer with mass ratio 10:1
Ratio be added in suspension liquid, 65 DEG C are reacted 10 hours, cooling, filtering, and deionized water washs filter residue to neutrality, place 50
Drying to constant weight in DEG C baking oven.
Embodiment 11
Each 0.01g of both sexes adsorbent material of Example 7-10 preparation is added separately to the 50mL the Congo that concentration is 60mg/L
In red solution, after shaking fast adsorption reaction 10~24 hours with 130rpm in 30 DEG C of shaking table, measurement supernatant residual is Congo red
Concentration, then calculate adsorbent material and adsorb Congo red removal rate.
Fig. 2 be the preparation of differential responses time both sexes adsorbent material adsorb Congo red removal rate be respectively 83.5%,
90.3%, 90.6%, 90.5%.After reaction 8 hours, glycidyl trimethylammonium chloride is utmostly grafted to lignin sulfonic acid
On salt condensation polymer, consider from economic cost, preferably the time 8 hours.
Embodiment 12
Take implement 8 preparation both sexes adsorbent material respectively with 0.1g/L, 0.111g/L, 0.125g/L, 0.143g/L,
The dosage of 0.167g/L, 0.2g/L, 0.25g/L, 0.333g/L and 0.5g/L are added to the Congo red solution that concentration is 60mg/L
In.After shaking fast adsorption reaction 10~24 hours with 130rpm in 30 DEG C of shaking table, measurement supernatant remains Congo red concentration, then
Adsorbent material is calculated to Congo red removal rate.
Fig. 3 is the influence Congo red to absorption of both sexes adsorbent material additive capacity.When dosage increases to 0.2g/ from 0.1g/L
L, both sexes adsorbent material increase to 90.23% from 48.1% to Congo red removal rate, when dosage is greater than 0.2g/L, go
Except rate increase is not significant, consider from economic cost from preferred dose is 0.2g/L.
Embodiment 13
Take implement 8 preparation both sexes adsorbent material respectively with 0.1g/L, 0.111g/L, 0.125g/L, 0.143g/L,
It is molten that the dosage of 0.167g/L, 0.2g/L, 0.25g/L, 0.333g/L and 0.5g/L are added to the methylene blue that concentration is 20mg/L
In liquid.After shaking fast adsorption reaction 10~24 hours with 130rpm in 30 DEG C of shaking table, measurement supernatant residual methylene blue is dense
Degree, then adsorbent material is calculated to the removal rate of methylene blue.
Fig. 4 is influence of the adsorbent material additive capacity to absorption methylene blue, when dosage increases to 0.2g/L from 0.1g/L,
Both sexes adsorbent material increases to 90.72% from 49.8% to the removal rate of methylene blue, when dosage is greater than 0.2g/L, goes
Except rate increase is not significant, consider that preferred dose is 0.2g/L from economic cost.
Embodiment 14
Congo red and methylene blue is mixed respectively with the ratio of molar ratio 3:1,2:1,1:1,1:2 and 1:3, two kinds of dyestuffs
The amount of total material immobilize.Both sexes adsorbent material 0.01g prepared by Example 8, being separately added into volume is the rigid of 50mL
In the mixed solution of arnotto and methylene blue, after shaking fast adsorption reaction 10~24 hours with 130rpm in 30 DEG C of shaking table, point
Not Ce Ding the remaining Congo red and methylene blue of supernatant concentration, calculate separately adsorbent material and adsorb Congo red and methylene blue
Adsorption capacity, then calculate separately it is Congo red to methylene blue and methylene blue to Congo red separation factor.
Both sexes adsorbent material adsorbs Congo red and methylene blue adsorption capacity simultaneously sees Fig. 5.Both sexes adsorbent material can be same
When adsorpting anion dyestuff is Congo red and dye of positive ion methylene blue, and it is Congo red big always to the separation factor of methylene blue
In 1, and methylene blue is consistently less than 1 to Congo red separation factor, illustrates to exist concurrently with anion congo red and sun
In the mixed liquor of ionic dye, it is Congo red that both sexes adsorbent material tends to adsorpting anion dyestuff.
Claims (10)
1. a kind of preparation method of both sexes adsorbent material, which is characterized in that modify lignin with glycidyl trimethylammonium chloride
Sulfonate prepares both sexes adsorbent material, specifically comprises the following steps:
(1) formaldehyde, NaOH solution and neopelex are added sequentially in lignin sulfonic acid sodium solution, first in alkaline item
Part methylolation, adds hydrochloric acid, aggregates into sodium lignin sulfonate condensation polymer not soluble in water under acidic conditions, filter,
Washing, drying, wherein formaldehyde is as crosslinking agent, and neopelex is as emulsifier；
(2) lignosulfonates condensation polymer obtained by step (1) is suspended in N, the mixing of N dimethyl acetamide (DMA) and NaOH
It in solution, stirs evenly, then glycidyl trimethylammonium chloride is added into the suspension stirred evenly and is reacted, then mistake
Filter, washing, drying, obtain the both sexes adsorbent material that can adsorb anions and canons simultaneously.
2. the preparation method of both sexes adsorbent material according to claim 1, which is characterized in that in step (1), sulfomethylated lignin
The concentration of acid sodium solution is 50~200mg/L；The concentration of NaOH solution is 0.5~2mol/L；Lignin sulfonic acid sodium solution, NaOH
The amount ratio of solution, formaldehyde and neopelex is 150~250ml:0.5~5ml:15~60ml:0.1~2g.
3. the preparation method of both sexes adsorbent material according to claim 1, which is characterized in that in step (1), methylolation
Reaction carries out under agitation, and temperature is 60~80 DEG C, and the time is 2~3.5 hours；Mixed liquor pH value is adjusted to 2 by hydrochloric acid~
3, the temperature of polymerization reaction is 85~95 DEG C, and the time is 2~3 hours.
4. the preparation method of both sexes adsorbent material according to claim 1, which is characterized in that in step (2), NaOH solution
And N, N dimethyl acetamide, that is, DMA volume ratio are 1:8~14；The concentration of NaOH solution is 0.05~0.2mol/L.
5. the preparation method of both sexes adsorbent material according to claim 1, which is characterized in that in step (2), suspension
In, mass percentage of the sodium lignin sulfonate condensation polymer in mixed solution is 6~12%.
6. the preparation method of both sexes adsorbent material according to claim 1, which is characterized in that in step (2), sulfomethylated lignin
The mass ratio of sour sodium condensation polymer and glycidyl trimethylammonium chloride is 1:8~20, and reaction temperature is 55~75 DEG C, the reaction time
It is 7~10 hours.
7. the preparation method of both sexes adsorbent material according to claim 1, which is characterized in that step (1) and step (2)
In, it is neutral for washing as washing to cleaning solution, and drying temperature is 40~70 DEG C, dry to constant weight.
8. the both sexes adsorbent material that the described in any item preparation methods of claim 1 to 7 obtain removes yin, yang in waste water at the same time
Application in ionic dye, which comprises the steps of: in dye solution be added both sexes adsorbent material, then into
Row isothermal vibration measures the residual concentration of dyestuff in filtrate, calculates both sexes adsorbent material to the removal rate of yin, yang dyestuff.
9. application according to claim 8, which is characterized in that the dosage of both sexes adsorbent material is 0.1~0.5g/L dye solution；
The concentration of dye solution is 20~80mg/L；Dye solution is containing methylene blue or/and Congo red dye solution.
10. application according to claim 8, which is characterized in that isothermal vibration carries out in isothermal vibration device, temperature 29-31
DEG C, concussion sorption reaction time is 10~24 hours；The sum of methylene blue and the Congo red amount of substance are fixed, molar ratio 0
~3.0:3.0~0.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389378A (en) * | 2020-03-27 | 2020-07-10 | 重庆大学 | Amphoteric self-floating adsorbent, preparation method and application |
| CN116099492A (en) * | 2023-02-08 | 2023-05-12 | 杭州尚善若水环保科技有限公司 | Mineral agent for water recovery system and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111389378A (en) * | 2020-03-27 | 2020-07-10 | 重庆大学 | Amphoteric self-floating adsorbent, preparation method and application |
| CN116099492A (en) * | 2023-02-08 | 2023-05-12 | 杭州尚善若水环保科技有限公司 | Mineral agent for water recovery system and preparation method and application thereof |
| CN116099492B (en) * | 2023-02-08 | 2023-09-12 | 杭州尚善若水环保科技有限公司 | Mineral agent for water recovery system and preparation method and application thereof |
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| CN109647356B (en) | 2022-03-15 |
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