CN106238018A - For granule adsorbent adsorbing parathion-methyl and preparation method thereof - Google Patents
For granule adsorbent adsorbing parathion-methyl and preparation method thereof Download PDFInfo
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- CN106238018A CN106238018A CN201610849034.7A CN201610849034A CN106238018A CN 106238018 A CN106238018 A CN 106238018A CN 201610849034 A CN201610849034 A CN 201610849034A CN 106238018 A CN106238018 A CN 106238018A
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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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
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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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
Abstract
The invention discloses for granule adsorbent adsorbing parathion-methyl and preparation method thereof.Tetramethylene sulfide, 4 acetamido 3 nitrobenzoic acids, N, N dimethylformamide, polyhexamethylene adipamide, hexamethylenetetramine are made mixed liquid B；By polrvinyl chloride, N, N dimethylformamide, 1 (3 pyridine radicals) 3 (dimethylamino) 2 propylene 1 ketone make mixed liquor D；By tert-butyl peroxy acetate, chloroform, N, N dimethylglycylamide makes mixed liquor F；Mixed liquid B, mixed liquor D, mixed liquor F, methyl isobutyrate, Polyethylene Glycol, chloroform are made mixed liquor H；Mixed liquor H is added drop-wise in the poly-vinyl alcohol solution that mass fraction is 8.3%, obtains mixed liquor I；The poly-vinyl alcohol solution that mass fraction is 0.7% is joined in mixed liquor I, separates after stirring 7～8h, wash and lyophilization i.e. can obtain the granule adsorbent for adsorbing parathion-methyl.
Description
Technical field
The invention belongs to the processing technology field of organic industrial sewage, particularly to a kind of for adsorbing parathion-methyl
Granule adsorbent and preparation method thereof.
Background technology
Absorption method is that adsorbent is mixed mutually with pending waste water, and one or more pollutant in waste water are adsorbed, some
Pollutant are reclaimed or are removed, so that the method that waste water is purified, high concentrated organic wastewater is had preferably by the method
Treatment effect, occupies important function in organic industrial sewage treatment technology.In absorption method, the adsorbent of excellent performance is general
Feature: have good pore structure, excellent surface chemistry；High adsorption capacity to adsorbate；Easily resolve, reusing
By force；Mechanical strength is good.Being adsorbed with the most frequently used adsorbing material of organic pollutants at present can be divided into physisorption material, chemistry to inhale
Enclosure material and biological adsorption material.Wherein, the active charcoal of physisorption material, molecular sieve, zeolite, active hargil and clay minerals
Etc. having the solid of high-specific surface area, there is the advantage that eliminating efficiency is high, enrichment function is strong, but there is also poor stability, easily
It is desorbed, easily by deficiencies such as variations in temperature are affected.Chemisorbed material mainly includes silica gel, synthetic fibers, resin, utilizes bioid
Learn and the molecularly imprinted polymer etc. of Polymer Synthesizing.Conventional biological adsorption material has broad leaved plant, fungus, soil and water
In microorganism etc..
The organic industrial sewage using absorption method to process containing parathion-methyl is at a kind of up-and-coming industrial wastewater
Reason technology, needs exploitation to have the adsorbent of excellent absorption property to parathion-methyl if this technology carries out popularization and application.
But, the most also lack the adsorbing material processed for the organic industrial sewage containing parathion-methyl.
Summary of the invention
It is an object of the invention to provide a kind of for granule adsorbent adsorbing parathion-methyl and preparation method thereof.Its tool
Body step is as follows:
(1) by 168.62 grams of Tetramethylene sulfides and 397.84 grams of 4-acetamido-3-nitrobenzoic acid mix homogeneously, it is placed in
In 250mL tool plug narrow mouth bottle, add 250 milliliters of DMFs, stir 5 minutes under the conditions of 1000r/min,
It is divided into equivalent 5 parts after shaking up, obtains mixed liquor A 1, mixed liquor A 2, mixed liquor A 3, mixed liquor A 4, mixed liquor A 5；
(2) 17.91g polyhexamethylene adipamide is joined in mixed liquor A 1, stirs 5 minutes under the conditions of 1000r/min,
Obtain mixed liquid B 1；
(3) 5mL mixed liquid B 1 and 8.6g hexamethylenetetramine is joined in mixed liquor A 2, under the conditions of 1000r/min
Stir 5 minutes, obtain mixed liquid B 2；
(4) 5mL mixed liquid B 2 and 8.1g hexamethylenetetramine is joined in mixed liquor A 3, under the conditions of 1000r/min
Stir 5 minutes, obtain mixed liquid B 3；
(5) 5mL mixed liquid B 3 and 7.6g hexamethylenetetramine is joined in mixed liquor A 4, under the conditions of 1000r/min
Stir 5 minutes, obtain mixed liquid B 4；
(6) 5mL mixed liquid B 4 and 7.1g hexamethylenetetramine is joined in mixed liquor A 5, under the conditions of 1000r/min
Stir 5 minutes, obtain mixed liquid B；
(7) 13.67g polrvinyl chloride is placed in 250mL tool plug narrow mouth bottle, adds 250 milliliters of N, N-dimethyl methyls
Amide, stirs 1h under the conditions of 1000r/min, is divided into equivalent 5 parts, obtains mixed liquor C1, mixed liquor C2, mixed liquor after shaking up
C3, mixed liquor C4, mixed liquor C5；
(8) 14.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone is joined in mixed liquor C1,
Stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D1；
(9) 5mL mixed liquor D1 and 14.4 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined mixed
Close in liquid C2, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D2；
(10) 5mL mixed liquor D2 and 13.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined
In mixed liquor C3, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D3；
(11) 5mL mixed liquor D3 and 13.5 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined
In mixed liquor C4, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D4；
(12) 5mL mixed liquor D4 and 12.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined
In mixed liquor C5, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D；
(13) 18.37g tert-butyl peroxy acetate is placed in 250mL tool plug narrow mouth bottle, adds 400mL chloroform,
Stir 1h under the conditions of 1000r/min, be divided into equivalent 8 parts after shaking up, obtain mixed liquor E1, mixed liquor E2, mixed liquor E3, mixed liquor
E4, mixed liquor E5, mixed liquor E6, mixed liquor E7, mixed liquor E8；
(14) 29.7 grams of N, N-dimethylglycylamide are entered in mixed liquor E1, under the conditions of 1000r/min, stir 5 points
Clock, obtains mixed liquor F1；
(15) 5mL mixed liquor F1 and 29.2 grams of N, N-dimethylglycylamide are joined in mixed liquor E2, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F2；
(16) 5mL mixed liquor F2 and 28.7 grams of N, N-dimethylglycylamide are joined in mixed liquor E3, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F3；
(17) by 5mL mixed liquor F3 and Ca (NO that 15mL concentration is 0.30mol/L3)2Join in mixed liquor E4,
Stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor F4；
(18) 5mL mixed liquor F4 and the aluminum chloride that 15mL concentration is 0.60mol/L are joined in mixed liquor E5,
Stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor F5；
(19) 5mL mixed liquor F5 and 24.7 grams of N, N-dimethylglycylamide are joined in mixed liquor E6, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F6；
(20) 5mL mixed liquor F6 and 24.2 grams of N, N-dimethylglycylamide are joined in mixed liquor E7, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F7；
(21) 5mL mixed liquor F7 and the aluminum chloride that 15mL concentration is 0.50mol/L are joined in mixed liquor E8,
Stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor F；
(22) by the most mixed to 140mL methyl isobutyrate and the Polyethylene Glycol chloroformic solution that 160mL mass fraction is 8.3%
Close, be divided into equivalent 3 parts after shaking up, obtain mixed liquor G1, mixed liquor G2, mixed liquor G3；
(23) 27mL mixed liquid B is added drop-wise in mixed liquor G1 under 1000r/min stirring condition, obtains mixed liquor H1；
(24) 27mL mixed liquor D is added drop-wise in mixed liquor G2 under 1000r/min stirring condition, obtains mixed liquor H2；
(25) 33mL mixed liquor F is added drop-wise in mixed liquor G3 under 1000r/min stirring condition, obtains mixed liquor H3；
(26) 46mL mixed liquor H1 is added drop-wise in 54mL mixed liquor H2 under 1000r/min stirring condition, is mixed
Liquid H4；
(27) 53mL mixed liquor H4 is added drop-wise in 47mL mixed liquor H3 under 1000r/min stirring condition, is mixed
Liquid H；
(28) 66mL mixed liquor H is added drop-wise under 1000r/min stirring condition the poly-second that 34mL mass fraction is 8.3%
In enolate solution, under the conditions of 1000r/min, then stir 8min, obtain mixed liquor I；
(29) poly-vinyl alcohol solution that 50mL mass fraction is 0.7% is joined in mixed liquor I, at 1000r/min bar
Stir 7～8h under part, be then centrifuged separating under the conditions of rotating speed is 6000r/min, be then washed with deionized 3 times,
Lyophilization i.e. can obtain the granule adsorbent for adsorbing parathion-methyl.
The invention has the beneficial effects as follows, prepare for adsorbing the granule adsorbent of parathion-methyl to organic industrial sewage
In the parathion-methyl that contains there is the advantages such as high adsorption capacity, adsorption capacity is high, adsorption rate is fast.
Detailed description of the invention
The present invention provides a kind of for granule adsorbent adsorbing parathion-methyl and preparation method thereof, below with a reality
Execute example so that the present invention to be described.
Embodiment 1.
(1) by 168.62 grams of Tetramethylene sulfides and 397.84 grams of 4-acetamido-3-nitrobenzoic acid mix homogeneously, it is placed in
In 250mL tool plug narrow mouth bottle, add 250 milliliters of DMFs, stir 5 minutes under the conditions of 1000r/min,
It is divided into equivalent 5 parts after shaking up, obtains mixed liquor A 1, mixed liquor A 2, mixed liquor A 3, mixed liquor A 4, mixed liquor A 5；
(2) 17.91g polyhexamethylene adipamide is joined in mixed liquor A 1, stirs 5 minutes under the conditions of 1000r/min,
Obtain mixed liquid B 1；
(3) 5mL mixed liquid B 1 and 8.6g hexamethylenetetramine is joined in mixed liquor A 2, under the conditions of 1000r/min
Stir 5 minutes, obtain mixed liquid B 2；
(4) 5mL mixed liquid B 2 and 8.1g hexamethylenetetramine is joined in mixed liquor A 3, under the conditions of 1000r/min
Stir 5 minutes, obtain mixed liquid B 3；
(5) 5mL mixed liquid B 3 and 7.6g hexamethylenetetramine is joined in mixed liquor A 4, under the conditions of 1000r/min
Stir 5 minutes, obtain mixed liquid B 4；
(6) 5mL mixed liquid B 4 and 7.1g hexamethylenetetramine is joined in mixed liquor A 5, under the conditions of 1000r/min
Stir 5 minutes, obtain mixed liquid B；
(7) 13.67g polrvinyl chloride is placed in 250mL tool plug narrow mouth bottle, adds 250 milliliters of N, N-dimethyl methyls
Amide, stirs 1h under the conditions of 1000r/min, is divided into equivalent 5 parts, obtains mixed liquor C1, mixed liquor C2, mixed liquor after shaking up
C3, mixed liquor C4, mixed liquor C5；
(8) 14.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone is joined in mixed liquor C1,
Stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D1；
(9) 5mL mixed liquor D1 and 14.4 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined mixed
Close in liquid C2, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D2；
(10) 5mL mixed liquor D2 and 13.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined
In mixed liquor C3, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D3；
(11) 5mL mixed liquor D3 and 13.5 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined
In mixed liquor C4, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D4；
(12) 5mL mixed liquor D4 and 12.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined
In mixed liquor C5, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D；
(13) 18.37g tert-butyl peroxy acetate is placed in 250mL tool plug narrow mouth bottle, adds 400mL chloroform,
Stir 1h under the conditions of 1000r/min, be divided into equivalent 8 parts after shaking up, obtain mixed liquor E1, mixed liquor E2, mixed liquor E3, mixed liquor
E4, mixed liquor E5, mixed liquor E6, mixed liquor E7, mixed liquor E8；
(14) 29.7 grams of N, N-dimethylglycylamide are entered in mixed liquor E1, under the conditions of 1000r/min, stir 5 points
Clock, obtains mixed liquor F1；
(15) 5mL mixed liquor F1 and 29.2 grams of N, N-dimethylglycylamide are joined in mixed liquor E2, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F2；
(16) 5mL mixed liquor F2 and 28.7 grams of N, N-dimethylglycylamide are joined in mixed liquor E3, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F3；
(17) by 5mL mixed liquor F3 and Ca (NO that 15mL concentration is 0.30mol/L3)2Join in mixed liquor E4,
Stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor F4；
(18) 5mL mixed liquor F4 and the aluminum chloride that 15mL concentration is 0.60mol/L are joined in mixed liquor E5,
Stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor F5；
(19) 5mL mixed liquor F5 and 24.7 grams of N, N-dimethylglycylamide are joined in mixed liquor E6, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F6；
(20) 5mL mixed liquor F6 and 24.2 grams of N, N-dimethylglycylamide are joined in mixed liquor E7, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F7；
(21) 5mL mixed liquor F7 and the aluminum chloride that 15mL concentration is 0.50mol/L are joined in mixed liquor E8,
Stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor F；
(22) by the most mixed to 140mL methyl isobutyrate and the Polyethylene Glycol chloroformic solution that 160mL mass fraction is 8.3%
Close, be divided into equivalent 3 parts after shaking up, obtain mixed liquor G1, mixed liquor G2, mixed liquor G3；
(23) 27mL mixed liquid B is added drop-wise in mixed liquor G1 under 1000r/min stirring condition, obtains mixed liquor H1；
(24) 27mL mixed liquor D is added drop-wise in mixed liquor G2 under 1000r/min stirring condition, obtains mixed liquor H2；
(25) 33mL mixed liquor F is added drop-wise in mixed liquor G3 under 1000r/min stirring condition, obtains mixed liquor H3；
(26) 46mL mixed liquor H1 is added drop-wise in 54mL mixed liquor H2 under 1000r/min stirring condition, is mixed
Liquid H4；
(27) 53mL mixed liquor H4 is added drop-wise in 47mL mixed liquor H3 under 1000r/min stirring condition, is mixed
Liquid H；
(28) 66mL mixed liquor H is added drop-wise under 1000r/min stirring condition the poly-second that 34mL mass fraction is 8.3%
In enolate solution, under the conditions of 1000r/min, then stir 8min, obtain mixed liquor I；
(29) poly-vinyl alcohol solution that 50mL mass fraction is 0.7% is joined in mixed liquor I, at 1000r/min bar
Stir 7～8h under part, be then centrifuged separating under the conditions of rotating speed is 6000r/min, be then washed with deionized 3 times,
Lyophilization i.e. can obtain the granule adsorbent for adsorbing parathion-methyl.
The granule adsorbent for adsorb parathion-methyl that use the inventive method prepare is presented herein below to containing methyl pair
The organic industrial sewage of sulfur phosphorus has carried out adsorption test, further illustrates the present invention.
What utilization the inventive method prepared is used for adsorbing the granule adsorbent of parathion-methyl to containing parathion-methyl
Organic industrial sewage has carried out adsorption test, and result shows that this granule adsorbent can be to the parathion-methyl of organic industrial sewage
Effectively adsorb: when in organic industrial sewage, the initial concentration of parathion-methyl is 29.7mg/L, to the organic work of 500mL
Adding 15g granule adsorbent in industry waste water, after 15 minutes, the concentration of parathion-methyl is reduced to 0.1mg/L.
Claims (1)
1. one kind for the granule adsorbent adsorbing parathion-methyl and preparation method thereof, it is characterised in that the method concrete
Step is as follows:
(1) by 168.62 grams of Tetramethylene sulfides and 397.84 grams of 4-acetamido-3-nitrobenzoic acid mix homogeneously, it is placed in 250mL
In tool plug narrow mouth bottle, add 250 milliliters of DMFs, stir 5 minutes under the conditions of 1000r/min, shake up
After be divided into equivalent 5 parts, obtain mixed liquor A 1, mixed liquor A 2, mixed liquor A 3, mixed liquor A 4, mixed liquor A 5；
(2) 17.91g polyhexamethylene adipamide is joined in mixed liquor A 1, stir 5 minutes under the conditions of 1000r/min, obtain
Mixed liquid B 1；
(3) 5mL mixed liquid B 1 and 8.6g hexamethylenetetramine is joined in mixed liquor A 2, under the conditions of 1000r/min, stir 5
Minute, obtain mixed liquid B 2；
(4) 5mL mixed liquid B 2 and 8.1g hexamethylenetetramine is joined in mixed liquor A 3, under the conditions of 1000r/min, stir 5
Minute, obtain mixed liquid B 3；
(5) 5mL mixed liquid B 3 and 7.6g hexamethylenetetramine is joined in mixed liquor A 4, under the conditions of 1000r/min, stir 5
Minute, obtain mixed liquid B 4；
(6) 5mL mixed liquid B 4 and 7.1g hexamethylenetetramine is joined in mixed liquor A 5, under the conditions of 1000r/min, stir 5
Minute, obtain mixed liquid B；
(7) 13.67g polrvinyl chloride is placed in 250mL tool plug narrow mouth bottle, adds 250 milliliters of DMFs,
Under the conditions of 1000r/min, stir 1h, be divided into equivalent 5 parts after shaking up, obtain mixed liquor C1, mixed liquor C2, mixed liquor C3, mixing
Liquid C4, mixed liquor C5；
(8) 14.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone is joined in mixed liquor C1, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor D1；
(9) 5mL mixed liquor D1 and 14.4 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined mixed liquor
In C2, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D2；
(10) 5mL mixed liquor D2 and 13.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined mixing
In liquid C3, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D3；
(11) 5mL mixed liquor D3 and 13.5 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined mixing
In liquid C4, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D4；
(12) 5mL mixed liquor D4 and 12.9 grams of 1-(3-pyridine radicals)-3-(dimethylamino)-2-propylene-1-ketone are joined mixing
In liquid C5, stir 5 minutes under the conditions of 1000r/min, obtain mixed liquor D；
(13) 18.37g tert-butyl peroxy acetate is placed in 250mL tool plug narrow mouth bottle, adds 400mL chloroform,
Stir 1h under the conditions of 1000r/min, be divided into equivalent 8 parts after shaking up, obtain mixed liquor E1, mixed liquor E2, mixed liquor E3, mixed liquor
E4, mixed liquor E5, mixed liquor E6, mixed liquor E7, mixed liquor E8；
(14) 29.7 grams of N, N-dimethylglycylamide are entered in mixed liquor E1, stir 5 minutes under the conditions of 1000r/min,
Obtain mixed liquor F1；
(15) 5mL mixed liquor F1 and 29.2 grams of N, N-dimethylglycylamide are joined in mixed liquor E2, at 1000r/min bar
Stir 5 minutes under part, obtain mixed liquor F2；
(16) 5mL mixed liquor F2 and 28.7 grams of N, N-dimethylglycylamide are joined in mixed liquor E3, at 1000r/min bar
Stir 5 minutes under part, obtain mixed liquor F3；
(17) by 5mL mixed liquor F3 and Ca (NO that 15mL concentration is 0.30mol/L3)2Join in mixed liquor E4, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F4；
(18) 5mL mixed liquor F4 and the aluminum chloride that 15mL concentration is 0.60mol/L are joined in mixed liquor E5, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F5；
(19) 5mL mixed liquor F5 and 24.7 grams of N, N-dimethylglycylamide are joined in mixed liquor E6, at 1000r/min bar
Stir 5 minutes under part, obtain mixed liquor F6；
(20) 5mL mixed liquor F6 and 24.2 grams of N, N-dimethylglycylamide are joined in mixed liquor E7, at 1000r/min bar
Stir 5 minutes under part, obtain mixed liquor F7；
(21) 5mL mixed liquor F7 and the aluminum chloride that 15mL concentration is 0.50mol/L are joined in mixed liquor E8, at 1000r/
Stir 5 minutes under the conditions of min, obtain mixed liquor F；
(22) 140mL methyl isobutyrate and the Polyethylene Glycol chloroformic solution that 160mL mass fraction is 8.3% are sufficiently mixed, shake
It is divided into equivalent 3 parts after even, obtains mixed liquor G1, mixed liquor G2, mixed liquor G3；
(23) 27mL mixed liquid B is added drop-wise in mixed liquor G1 under 1000r/min stirring condition, obtains mixed liquor H1；
(24) 27mL mixed liquor D is added drop-wise in mixed liquor G2 under 1000r/min stirring condition, obtains mixed liquor H2；
(25) 33mL mixed liquor F is added drop-wise in mixed liquor G3 under 1000r/min stirring condition, obtains mixed liquor H3；
(26) 46mL mixed liquor H1 is added drop-wise in 54mL mixed liquor H2 under 1000r/min stirring condition, obtains mixed liquor H4；
(27) 53mL mixed liquor H4 is added drop-wise in 47mL mixed liquor H3 under 1000r/min stirring condition, obtains mixed liquor H；
(28) 66mL mixed liquor H is added drop-wise to the polyvinyl alcohol that 34mL mass fraction is 8.3% under 1000r/min stirring condition
In solution, under the conditions of 1000r/min, then stir 8min, obtain mixed liquor I；
(29) poly-vinyl alcohol solution that 50mL mass fraction is 0.7% is joined in mixed liquor I, under the conditions of 1000r/min
Stirring 7～8h, is then centrifuged separating under the conditions of rotating speed is 6000r/min, is then washed with deionized 3 times, freezing
It is dried the granule adsorbent that i.e. can obtain for adsorbing parathion-methyl.
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| CN103464102A (en) * | 2013-09-23 | 2013-12-25 | 北京师范大学 | Porous composite adsorbing agent for removing stream substrate sludge contamination and preparation process of agent |
| CN103613208A (en) * | 2013-12-12 | 2014-03-05 | 北京师范大学 | Adsorption plate with high-efficient adsorption and enhanced biodegradation of petroleum hydrocarbon pollutants and preparation method thereof |
| CN103611514A (en) * | 2013-12-12 | 2014-03-05 | 北京师范大学 | Multifunctional adsorption particles capable of treating industrial organic wastewater with imbalance of nitrogen and phosphorus and preparation method thereof |
| CN103623790A (en) * | 2013-12-12 | 2014-03-12 | 北京师范大学 | High-polymer functional material for adsorbing and treating organic chemical industry wastewater and preparation method thereof |
| CN103965835A (en) * | 2014-05-13 | 2014-08-06 | 西南石油大学 | Ultra-light magnetic oil absorption material and preparation method thereof |
| CN105632575A (en) * | 2016-01-29 | 2016-06-01 | 北京师范大学 | Hydroxyl-based modified magnetic material with radionuclide adsorption function and preparation method |
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