CN109731556A - Acrylic amide modified corn stover/application of the alkamine modified polystyrene porous resin compounded adsorbent in dyeing waste water - Google Patents
Acrylic amide modified corn stover/application of the alkamine modified polystyrene porous resin compounded adsorbent in dyeing waste water Download PDFInfo
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Abstract
The present invention provides acrylic amide modified corn stover/alkamine modified polystyrene porous resin compounded adsorbent preparation methods: by 65-74 parts of acrylic amide modified corn stovers and 58-67 parts of alkamine modified polystyrene porous resins in mixing machine, 100-150 parts of deionized waters are added, after mixing, ball milling 1h, it is dried in 55 DEG C of vacuum ovens again, obtains dyeing waste water efficient process agent.Acrylic amide modified corn stover/alkamine modified polystyrene porous resin compounded adsorbent can sufficiently remove the dyestuff in dyeing waste water, have broad application prospects for handling in dyeing waste water.
Description
Technical field
The present invention relates to field of waste water treatment, more particularly to acrylic amide modified corn stover/alkamine modified polyphenyl second
The preparation of alkene porous resin compound adsorbent and the application in processing dyeing waste water.
Background technique
Dyeing waste water be to process cotton, fiber crops, chemical fibre and its blending product, the printing and dyeing based on silk, woolens dyeing and finishing and
The waste water of the discharges such as silk mill, dye house effluents water is larger, every dyeing and printing process 1t textile 100~200t of water consumption, wherein
80%~90%, which becomes waste water, is discharged.Dyeing waste water is big with water, organic pollutant content is high, alkalinity is big, change of water quality is big
The features such as, belong to one of intractable industrial wastewater, dyestuff, slurry, auxiliary agent, finish, soda acid, fiber impurity, sand are contained in waste water
Substance, inorganic salts etc..Applying in physical treatment process at most is absorption method.Currently, external mainly use active carbon adsorption
(being used for tertiary treatment mostly).Dissolved organic matter is highly effective to going in water removal for the method, but there is also many drawbacks, can not be complete
Full up foot production requirement, therefore, it is necessary to develop more efficient decolorizing adsorbent.
Summary of the invention
Technical problems to be solved:
The object of the present invention is to provide acrylic amide modified corn stover/alkamine modified polystyrene porous resin compoundeds to inhale
Attached dose, for handling in dyeing waste water, the dyestuff in dyeing waste water can be sufficiently removed, is had broad application prospects.
Technical solution:
The present invention provides acrylic amide modified corn stover/alkamine modified polystyrene porous resin compounded adsorbents
Preparation method:
By 65-74 parts of acrylic amide modified corn stovers and 58-67 parts of alkamine modified polystyrene porous resins in mixing
In machine, 100-150 parts of deionized waters are added and dries, is printed and dyed in ball milling 1h, then 55 DEG C of vacuum ovens after mixing
Waste water high-efficiency inorganic agent.
Preferably, the preparation method of the acrylic amide modified corn stover includes the following steps:
(1) it by corn stover Mechanical Crushing, is impregnated in warm water, taking-up is spent from water and ultrapure water cleaning, then dries,
It is crushed in pulverizer, the corn stover of crushing is taken to be put into beaker, acetone and n-hexane is added, takes out, dries after infiltration
To pretreated corn stover；
(2) pretreated corn stover is soaked in acrylamide aqueous solution, is then taken out, roll surplus liquid,
Under nitrogen atmosphere, irradiation grafting is carried out on electron accelerator, is spent after irradiation grafting from water cleaning sample, drying obtains
Acrylic amide modified corn stover.
It is further preferred that irradiation grafting in the preparation method step (2) of the acrylic amide modified corn stover
Electron energy is 400KeV, and electronic beam current is 200 μ A, and selecting dosage rate is 50Gy/s, dosage 25kGy.
Preferably, the alkamine modified polystyrene porous resin preparation method the following steps are included:
(1) by styrene and divinylbenzene, azodiisobutyronitrile is added and normal heptane is sufficiently mixed and uniformly obtains A liquid；
(2) equipped with blender, reflux condenser, thermometer three-necked flask in be added 500mL water, add gelatin,
Sodium chloride, span-80 and methanol solution, open agitating device, and heating water bath is uniformly mixed and obtains B liquid；
(3) A liquid being added in B liquid, product is filtered after stopping, being rinsed with deionized water by stirring in water bath reaction, reaction,
Extracting.Polystyrene porous resin is obtained after drying；
(4) it takes the polystyrene porous resin being prepared in step (3) to be added in reaction kettle, adds poly- second two
Alcohol opens agitating device, and is warming up to 50-70 DEG C, in nitrogen atmosphere, after reactive amines reaction 5h is added, stops reaction, takes
Reactant is cleaned with ethanol solution and deionized water out, up to alkamine modified polystyrene porous resin after drying.
It is further preferred that reactive amines in the preparation method step (4) of the alkamine modified polystyrene porous resin
It is mixed for methylethanolamine, three aminomethanes and diethanol amine by weight 2:2:1.
Preferably, the acrylic amide modified corn stover/alkamine modified polystyrene porous resin compounded adsorbent
For handling in dyeing waste water.
The utility model has the advantages that
(1) after the present invention is pre-processed corn stover using acetone and n-hexane, with acrylamide in radiation parameter
Lower carry out graft reaction, makes corn stover be greatly improved the adsorption capacity of dyestuff.
(2) present invention controls corn stover to acrylamide graft liquid when preparing acrylic amide modified corn stover
Pick-up 60%-80% prevents the monomer polymerization reactions because caused by monomer concentration is excessively high, and can satisfy monomer concentration and connect
Branch reaction is normally carried out required concentration.
(3) present invention is prepared for polystyrene porous resin, and is modified to it, has obtained the good alcohol of absorption property
Amine modified polystyrene porous resin, is used in compounding with acrylic amide modified corn stover, and it is useless can sufficiently to remove printing and dyeing
Dyestuff in water, has broad application prospects.
Specific embodiment
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit this in any way
Invention.
Embodiment 1
By 74 parts of acrylic amide modified corn stovers and 58 parts of alkamine modified polystyrene porous resins in mixing machine, add
Enter 150 parts of deionized waters, after mixing, is dried in ball milling 1h, then 55 DEG C of vacuum ovens, obtain dyeing waste water efficient process
Agent.
Acrylic amide modified corn stover the preparation method comprises the following steps:
(1) corn stover Mechanical Crushing is impregnated into 8h at 4cm in 30 DEG C of water, taking-up is spent cleans 3 times from water, then uses
Ultrapure water cleans 3 times, then dries for 24 hours in 60 DEG C of baking ovens, 5min is crushed in pulverizer, the corn stover 6g of crushing is taken to be put into
In 250mL beaker, 90mL acetone and 10mL n-hexane is added, is taken out after infiltrating 6h, 60 DEG C of bakings obtain pretreated jade for 24 hours
Rice stalk；
(2) pretreated corn stover is soaked in 3-6h in 34wt% acrylamide aqueous solution, then taken out, rolled
Surplus liquid, pick-up 80% under nitrogen atmosphere, are irradiated, electron energy 400KeV, electron beam on electron accelerator
Stream is 200 μ A, selects dosage rate for 50Gy/s, dosage 25kGy, is spent after irradiation grafting from water cleaning sample 5 times, 65 DEG C
It dries 12h and obtains acrylic amide modified corn stover.
Alkamine modified polystyrene porous resin the preparation method comprises the following steps:
(1) by 70g styrene and 16g divinylbenzene, it is sufficiently mixed that 0.73g azodiisobutyronitrile and 11g normal heptane is added
It closes and uniformly obtains A liquid；
(2) 500mL water is added in the three-necked flask that blender, reflux condenser, thermometer are housed, adds 1.5g
Gelatin, 7g sodium chloride, 10mL span-80 and 15mL methanol solution (cosolvent), open agitating device, and control revolving speed is 300r/
Min, heating water bath are uniformly mixed to 55 DEG C and obtain B liquid；
(3) revolving speed and temperature in step (2) are kept, A liquid is added in B liquid, reacts 2h, then be warming up to 70 DEG C of reactions
4h stops reaction, product is filtered, and is rinsed 5 times with deionized water, then extracts 10h, 70 DEG C of vacuum drying 12h obtain polyphenyl
Ethylene porous resin；
(4) it takes the polystyrene porous resin 22g being prepared in step (3) to be added in reaction kettle, adds poly- second
Glycol opens agitating device, and is warming up to 50 DEG C, in nitrogen atmosphere, after 10g reactive amines reaction 5h is added, stops reaction, takes
Reactant is cleaned 3 times with ethanol solution out, then is cleaned 3 times with deionized water, dries 8h in 60 DEG C of baking ovens up to alkamine modified poly-
Styrene porous resin.
Reactive amines are that methylethanolamine, three aminomethanes and diethanol amine are mixed by weight 2:2:1.
Embodiment 2
By 65 parts of acrylic amide modified corn stovers and 67 parts of alkamine modified polystyrene porous resins in mixing machine, add
Enter 100 parts of deionized waters, after mixing, is dried in ball milling 1h, then 55 DEG C of vacuum ovens, obtain dyeing waste water efficient process
Agent.
Acrylic amide modified corn stover the preparation method comprises the following steps:
(1) corn stover Mechanical Crushing is impregnated into 4h at 4cm in 40 DEG C of water, taking-up is spent cleans 3 times from water, then uses
Ultrapure water cleans 3 times, then dries for 24 hours in 60 DEG C of baking ovens, 5min is crushed in pulverizer, the corn stover 12g of crushing is taken to put
Enter in 250mL beaker, 70mL acetone and 30mL n-hexane is added, taken out after infiltrating 6h, 60 DEG C of bakings obtain pretreated for 24 hours
Corn stover；
(2) pretreated corn stover is soaked in 3-6h in 34wt% acrylamide aqueous solution, then taken out, rolled
Surplus liquid, pick-up 60% under nitrogen atmosphere, are irradiated, electron energy 400KeV, electron beam on electron accelerator
Stream is 200 μ A, selects dosage rate for 50Gy/s, dosage 25kGy, is spent after irradiation grafting from water cleaning sample 5 times, 65 DEG C
It dries 12h and obtains acrylic amide modified corn stover.
Alkamine modified polystyrene porous resin the preparation method comprises the following steps:
(1) by 90g styrene and 8g divinylbenzene, 1.28g azodiisobutyronitrile is added and 7g normal heptane is sufficiently mixed
Uniformly obtain A liquid；
(2) 500mL water is added in the three-necked flask that blender, reflux condenser, thermometer are housed, adds 3.5g
Gelatin, 3g sodium chloride, 20mL span-80 and 5mL methanol solution (cosolvent), open agitating device, and control revolving speed is 300r/
Min, heating water bath are uniformly mixed to 65 DEG C and obtain B liquid；
(3) revolving speed and temperature in step (2) are kept, A liquid is added in B liquid, reacts 1h, then be warming up to 90 DEG C of reactions
2h stops reaction, product is filtered, and is rinsed 5 times with deionized water, then extracts 10h, 70 DEG C of vacuum drying 12h obtain polyphenyl
Ethylene porous resin；
(4) it takes the polystyrene porous resin 15g being prepared in step (3) to be added in reaction kettle, adds poly- second
Glycol opens agitating device, and is warming up to 70 DEG C, in nitrogen atmosphere, after 7g reactive amines reaction 5h is added, stops reaction, takes
Reactant is cleaned 3 times with ethanol solution out, then is cleaned 3 times with deionized water, dries 8h in 60 DEG C of baking ovens up to alkamine modified poly-
Styrene porous resin.
Reactive amines are that methylethanolamine, three aminomethanes and diethanol amine are mixed by weight 2:2:1.
Embodiment 3
By 72 parts of acrylic amide modified corn stovers and 61 parts of alkamine modified polystyrene porous resins in mixing machine, add
Enter 140 parts of deionized waters, after mixing, is dried in ball milling 1h, then 55 DEG C of vacuum ovens, obtain dyeing waste water efficient process
Agent.
Acrylic amide modified corn stover the preparation method comprises the following steps:
(1) corn stover Mechanical Crushing is impregnated into 7h at 4cm in 32 DEG C of water, taking-up is spent cleans 3 times from water, then uses
Ultrapure water cleans 3 times, then dries for 24 hours in 60 DEG C of baking ovens, 5min is crushed in pulverizer, the corn stover 7g of crushing is taken to be put into
In 250mL beaker, 85mL acetone and 15mL n-hexane is added, is taken out after infiltrating 6h, 60 DEG C of bakings obtain pretreated jade for 24 hours
Rice stalk；
(2) pretreated corn stover is soaked in 3-6h in 34wt% acrylamide aqueous solution, then taken out, rolled
Surplus liquid, pick-up 75% under nitrogen atmosphere, are irradiated, electron energy 400KeV, electron beam on electron accelerator
Stream is 200 μ A, selects dosage rate for 50Gy/s, dosage 25kGy, is spent after irradiation grafting from water cleaning sample 5 times, 65 DEG C
It dries 12h and obtains acrylic amide modified corn stover.
Alkamine modified polystyrene porous resin the preparation method comprises the following steps:
(1) by 75g styrene and 14g divinylbenzene, it is sufficiently mixed that 0.83g azodiisobutyronitrile and 10g normal heptane is added
It closes and uniformly obtains A liquid；
(2) 500mL water is added in the three-necked flask that blender, reflux condenser, thermometer are housed, it is bright to add 2g
Glue, 6g sodium chloride, 12mL span-80 and 13mL methanol solution (cosolvent), open agitating device, and control revolving speed is 300r/
Min, heating water bath are uniformly mixed to 58 DEG C and obtain B liquid；
(3) revolving speed and temperature in step (2) are kept, A liquid is added in B liquid, reacts 2h, then be warming up to 75 DEG C of reactions
3.5h stops reaction, product is filtered, and is rinsed 5 times with deionized water, then extracts 10h, 70 DEG C of vacuum drying 12h are gathered
Styrene porous resin；
(4) it takes the polystyrene porous resin 17g being prepared in step (3) to be added in reaction kettle, adds poly- second
Glycol opens agitating device, and is warming up to 65 DEG C, in nitrogen atmosphere, after 8g reactive amines reaction 5h is added, stops reaction, takes
Reactant is cleaned 3 times with ethanol solution out, then is cleaned 3 times with deionized water, dries 8h in 60 DEG C of baking ovens up to alkamine modified poly-
Styrene porous resin.
Reactive amines are that methylethanolamine, three aminomethanes and diethanol amine are mixed by weight 2:2:1.
Embodiment 4
By 67 parts of acrylic amide modified corn stovers and 64 parts of alkamine modified polystyrene porous resins in mixing machine, add
Enter 110 parts of deionized waters, after mixing, is dried in ball milling 1h, then 55 DEG C of vacuum ovens, obtain dyeing waste water efficient process
Agent.
Acrylic amide modified corn stover the preparation method comprises the following steps:
(1) corn stover Mechanical Crushing is impregnated into 5h at 4cm in 38 DEG C of water, taking-up is spent cleans 3 times from water, then uses
Ultrapure water cleans 3 times, then dries for 24 hours in 60 DEG C of baking ovens, 5min is crushed in pulverizer, the corn stover 10g of crushing is taken to put
Enter in 250mL beaker, 75mL acetone and 25mL n-hexane is added, taken out after infiltrating 6h, 60 DEG C of bakings obtain pretreated for 24 hours
Corn stover；
(2) pretreated corn stover is soaked in 3-6h in 34wt% acrylamide aqueous solution, then taken out, rolled
Surplus liquid, pick-up 65% under nitrogen atmosphere, are irradiated, electron energy 400KeV, electron beam on electron accelerator
Stream is 200 μ A, selects dosage rate for 50Gy/s, dosage 25kGy, is spent after irradiation grafting from water cleaning sample 5 times, 65 DEG C
It dries 12h and obtains acrylic amide modified corn stover.
Alkamine modified polystyrene porous resin the preparation method comprises the following steps:
(1) by 85g styrene and 10g divinylbenzene, 1.18g azodiisobutyronitrile is added and 8g normal heptane is sufficiently mixed
Uniformly obtain A liquid；
(2) 500mL water is added in the three-necked flask that blender, reflux condenser, thermometer are housed, it is bright to add 3g
Glue, 4g sodium chloride, 18mL span-80 and 7mL methanol solution (cosolvent), open agitating device, and control revolving speed is 300r/
Min, heating water bath are uniformly mixed to 62 DEG C and obtain B liquid；
(3) revolving speed and temperature in step (2) are kept, A liquid is added in B liquid, reacts 1h, then be warming up to 85 DEG C of reactions
2.5h stops reaction, product is filtered, and is rinsed 5 times with deionized water, then extracts 10h, 70 DEG C of vacuum drying 12h are gathered
Styrene porous resin；
(4) it takes the polystyrene porous resin 21g being prepared in step (3) to be added in reaction kettle, adds poly- second
Glycol opens agitating device, and is warming up to 55 DEG C, in nitrogen atmosphere, after 9g reactive amines reaction 5h is added, stops reaction, takes
Reactant is cleaned 3 times with ethanol solution out, then is cleaned 3 times with deionized water, dries 8h in 60 DEG C of baking ovens up to alkamine modified poly-
Styrene porous resin.
Reactive amines are that methylethanolamine, three aminomethanes and diethanol amine are mixed by weight 2:2:1.
Embodiment 5
By 70 parts of acrylic amide modified corn stovers and 62 parts of alkamine modified polystyrene porous resins in mixing machine, add
Enter 125 parts of deionized waters, after mixing, is dried in ball milling 1h, then 55 DEG C of vacuum ovens, obtain dyeing waste water efficient process
Agent.
Acrylic amide modified corn stover the preparation method comprises the following steps:
(1) corn stover Mechanical Crushing is impregnated into 6h at 4cm in 35 DEG C of water, taking-up is spent cleans 3 times from water, then uses
Ultrapure water cleans 3 times, then dries for 24 hours in 60 DEG C of baking ovens, 5min is crushed in pulverizer, the corn stover 8.5g of crushing is taken to put
Enter in 250mL beaker, 80mL acetone and 20mL n-hexane is added, taken out after infiltrating 6h, 60 DEG C of bakings obtain pretreated for 24 hours
Corn stover；
(2) pretreated corn stover is soaked in 3-6h in 34wt% acrylamide aqueous solution, then taken out, rolled
Surplus liquid, pick-up 70% under nitrogen atmosphere, are irradiated, electron energy 400KeV, electron beam on electron accelerator
Stream is 200 μ A, selects dosage rate for 50Gy/s, dosage 25kGy, is spent after irradiation grafting from water cleaning sample 5 times, 65 DEG C
It dries 12h and obtains acrylic amide modified corn stover.
Alkamine modified polystyrene porous resin the preparation method comprises the following steps:
(1) by 70g styrene and 12g divinylbenzene, 1.04g azodiisobutyronitrile is added and 9g normal heptane is sufficiently mixed
Uniformly obtain A liquid；
(2) 500mL water is added in the three-necked flask that blender, reflux condenser, thermometer are housed, adds 2.5g
Gelatin, 5g sodium chloride, 15mL span-80 and 9mL methanol solution (cosolvent), open agitating device, and control revolving speed is 300r/
Min, heating water bath are uniformly mixed to 60 DEG C and obtain B liquid；
(3) revolving speed and temperature in step (2) are kept, A liquid is added in B liquid, reacts 1.5h, then be warming up to 80 DEG C of reactions
3h stops reaction, product is filtered, and is rinsed 5 times with deionized water, then extracts 10h, 70 DEG C of vacuum drying 12h obtain polyphenyl
Ethylene porous resin；
(4) it takes the polystyrene porous resin 19g being prepared in step (3) to be added in reaction kettle, adds poly- second
Glycol opens agitating device, and is warming up to 60 DEG C, in nitrogen atmosphere, after 8.5g reactive amines reaction 5h is added, stops reaction,
It takes out reactant to be cleaned 3 times with ethanol solution, then is cleaned 3 times with deionized water, dry 8h in 60 DEG C of baking ovens up to alkamine modified
Polystyrene porous resin.
Reactive amines are that methylethanolamine, three aminomethanes and diethanol amine are mixed by weight 2:2:1.
Comparative example 1
This comparative example is the difference from embodiment 1 is that replace alkamine modified polystyrene with acrylic amide modified corn stover
Porous resin.Specifically:
132 parts of acrylic amide modified corn stovers are placed in mixing machine, 150 parts of deionized waters are added, after mixing,
It is dried in ball milling 1h, then 55 DEG C of vacuum ovens, obtains dyeing waste water efficient process agent.
Acrylic amide modified corn stover the preparation method comprises the following steps:
(1) corn stover Mechanical Crushing is impregnated into 8h at 4cm in 30 DEG C of water, taking-up is spent cleans 3 times from water, then uses
Ultrapure water cleans 3 times, then dries for 24 hours in 60 DEG C of baking ovens, 5min is crushed in pulverizer, the corn stover 6g of crushing is taken to be put into
In 250mL beaker, 90mL acetone and 10mL n-hexane is added, is taken out after infiltrating 6h, 60 DEG C of bakings obtain pretreated jade for 24 hours
Rice stalk；
(2) pretreated corn stover is soaked in 3-6h in 34wt% acrylamide aqueous solution, then taken out, rolled
Surplus liquid, pick-up 80% under nitrogen atmosphere, are irradiated, electron energy 400KeV, electron beam on electron accelerator
Stream is 200 μ A, selects dosage rate for 50Gy/s, dosage 25kGy, is spent after irradiation grafting from water cleaning sample 5 times, 65 DEG C
It dries 12h and obtains acrylic amide modified corn stover.
Comparative example 2
This comparative example with alkamine modified polystyrene porous resin the difference from embodiment 1 is that substituted acrylic amide modified
Corn stover.Specifically:
By 132 parts of alkamine modified polystyrene porous resins in mixing machine, 150 parts of deionized waters are added, are uniformly mixed
Afterwards, it is dried in ball milling 1h, then 55 DEG C of vacuum ovens, obtains dyeing waste water efficient process agent.
Alkamine modified polystyrene porous resin the preparation method comprises the following steps:
(1) by 70g styrene and 16g divinylbenzene, it is sufficiently mixed that 0.73g azodiisobutyronitrile and 11g normal heptane is added
It closes and uniformly obtains A liquid；
(2) 500mL water is added in the three-necked flask that blender, reflux condenser, thermometer are housed, adds 1.5g
Gelatin, 7g sodium chloride, 10mL span-80 and 15mL methanol solution (cosolvent), open agitating device, and control revolving speed is 300r/
Min, heating water bath are uniformly mixed to 55 DEG C and obtain B liquid；
(3) revolving speed and temperature in step (2) are kept, A liquid is added in B liquid, reacts 2h, then be warming up to 70 DEG C of reactions
4h stops reaction, product is filtered, and is rinsed 5 times with deionized water, then extracts 10h, 70 DEG C of vacuum drying 12h obtain polyphenyl
Ethylene porous resin；
(4) it takes the polystyrene porous resin 22g being prepared in step (3) to be added in reaction kettle, adds poly- second
Glycol opens agitating device, and is warming up to 50 DEG C, in nitrogen atmosphere, after 10g reactive amines reaction 5h is added, stops reaction, takes
Reactant is cleaned 3 times with ethanol solution out, then is cleaned 3 times with deionized water, dries 8h in 60 DEG C of baking ovens up to alkamine modified poly-
Styrene porous resin.
Reactive amines are that methylethanolamine, three aminomethanes and diethanol amine are mixed by weight 2:2:1.
Dyestuff: being configured to the dye wastewater of 10mg/L by absorption property test, measures absorbance to determine that it is maximum
Absorbing wavelength, and draw standard curve.It takes 100mL dye wastewater, 1g adsorbent of the invention is added and is placed in one progress
2h is adsorbed, adsorption rate is calculated.
Test result see the table below:
By test result it is found that acrylic amide modified corn stover/alkamine modified polystyrene that the present invention is prepared
Porous resin compound adsorbent has good adsorption bleaching.To the adsorption rate of methylene blue 94.18%-98.75% it
Between, to the adsorption rate of methyl orange between 92.16-97.66%.Preparation method in embodiment 5 is the best system in the present invention
Preparation Method, and acrylic amide modified corn stover and alkamine modified polystyrene porous resin compounded are in use, can be only achieved
Optimal adsorption bleaching effect.
Claims (6)
1. acrylic amide modified corn stover/alkamine modified polystyrene porous resin compounded adsorbent preparation method: by 65-
100- is added in mixing machine in 74 parts of acrylic amide modified corn stovers and 58-67 parts of alkamine modified polystyrene porous resins
150 parts of deionized waters dry in ball milling 1h, then 55 DEG C of vacuum ovens after mixing, obtain dyeing waste water efficient process
Agent.
2. acrylic amide modified corn stover as described in claim 1/alkamine modified polystyrene porous resin compounded absorption
The preparation method of agent, which is characterized in that the preparation method of the acrylic amide modified corn stover includes the following steps:
(1) it by corn stover Mechanical Crushing, is impregnated in warm water, taking-up is spent from water and ultrapure water cleaning, is then dried, in powder
It is crushed in broken machine, the corn stover of crushing is taken to be put into beaker, acetone and n-hexane is added, is taken out after infiltration, drying obtains pre-
Corn stover that treated；
(2) pretreated corn stover is soaked in acrylamide aqueous solution, is then taken out, roll surplus liquid, nitrogen
Under atmosphere, irradiation grafting is carried out on electron accelerator, is spent after irradiation grafting from water cleaning sample, drying obtains propylene
Amide modifications corn stover.
3. acrylic amide modified corn stover as claimed in claim 2/alkamine modified polystyrene porous resin compounded absorption
The preparation method of agent, which is characterized in that irradiation grafting in the preparation method step (2) of the acrylic amide modified corn stover
Electron energy be 400KeV, electronic beam current be 200 μ A, select dosage rate be 50Gy/s, dosage 25kGy.
4. acrylic amide modified corn stover as described in claim 1/alkamine modified polystyrene porous resin compounded absorption
The preparation method of agent, which is characterized in that the preparation method of the alkamine modified polystyrene porous resin the following steps are included:
(1) by styrene and divinylbenzene, azodiisobutyronitrile is added and normal heptane is sufficiently mixed and uniformly obtains A liquid；
(2) 500mL water is added in the three-necked flask that blender, reflux condenser, thermometer are housed, adds gelatin, chlorination
Sodium, span-80 and methanol solution, open agitating device, and heating water bath is uniformly mixed and obtains B liquid；
(3) A liquid is added in B liquid, product is filtered after stopping, being rinsed with deionized water by stirring in water bath reaction, reaction, is taken out
It mentions.Polystyrene porous resin is obtained after drying；
(4) it takes the polystyrene porous resin being prepared in step (3) to be added in reaction kettle, adds polyethylene glycol, open
Agitating device is opened, and is warming up to 50-70 DEG C, in nitrogen atmosphere, after reactive amines reaction 5h is added, stops reaction, takes out reaction
Object is cleaned with ethanol solution and deionized water, up to alkamine modified polystyrene porous resin after drying.
5. acrylic amide modified corn stover as claimed in claim 4/alkamine modified polystyrene porous resin compounded absorption
The preparation method of agent, which is characterized in that active in the preparation method step (4) of the alkamine modified polystyrene porous resin
Amine is that methylethanolamine, three aminomethanes and diethanol amine are mixed by weight 2:2:1.
6. acrylic amide modified corn stover as described in claim 1/alkamine modified polystyrene porous resin compounded absorption
Agent is for handling in dyeing waste water.
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| CN112934188A (en) * | 2021-02-06 | 2021-06-11 | 青岛理工大学 | Straw-based amphoteric dye adsorbent and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585990A (en) * | 2013-10-17 | 2014-02-19 | 青岛昊源环境工程技术有限公司 | Biological adsorption material for printing and dyeing industry wastewater |
| CN104353440A (en) * | 2014-11-28 | 2015-02-18 | 南京信息工程大学 | Biomass resin based inorganic nano-oxide composite adsorbent and preparation method and application thereof |
| CN106219821A (en) * | 2016-08-30 | 2016-12-14 | 嘉兴赛维环保科技有限公司 | One utilizes cellulose base integrated Fenton catalyst Fe3+c2o4the method of/R advanced treatment of dyeing wastewater |
-
2018
- 2018-10-29 CN CN201811267396.0A patent/CN109731556A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585990A (en) * | 2013-10-17 | 2014-02-19 | 青岛昊源环境工程技术有限公司 | Biological adsorption material for printing and dyeing industry wastewater |
| CN104353440A (en) * | 2014-11-28 | 2015-02-18 | 南京信息工程大学 | Biomass resin based inorganic nano-oxide composite adsorbent and preparation method and application thereof |
| CN106219821A (en) * | 2016-08-30 | 2016-12-14 | 嘉兴赛维环保科技有限公司 | One utilizes cellulose base integrated Fenton catalyst Fe3+c2o4the method of/R advanced treatment of dyeing wastewater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934188A (en) * | 2021-02-06 | 2021-06-11 | 青岛理工大学 | Straw-based amphoteric dye adsorbent and preparation method and application thereof |
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