CN108623128A - A kind of preparation method of Treatment of Sludge amphoteric polyacrylamide flocculant - Google Patents
A kind of preparation method of Treatment of Sludge amphoteric polyacrylamide flocculant Download PDFInfo
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- CN108623128A CN108623128A CN201810419894.6A CN201810419894A CN108623128A CN 108623128 A CN108623128 A CN 108623128A CN 201810419894 A CN201810419894 A CN 201810419894A CN 108623128 A CN108623128 A CN 108623128A
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- Prior art keywords
- treatment
- amphoteric polyacrylamide
- preparation
- sludge
- polyacrylamide flocculant
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Classifications
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/30—Emulsion polymerisation with the aid of emulsifying agents non-ionic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a single or double bond to nitrogen
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of Treatment of Sludge preparation methods of amphoteric polyacrylamide flocculant, include the following steps：1) it stocks up：It is spare to choose acrylamide, dimethyl diallyl ammonium chloride, acrylic acid, water, emulsifier, sodium peroxide and bis- (the 2 methyl-prop amidine) hydrochlorides of 2,2 azos；2) water is added in acrylamide, dimethyl diallyl ammonium chloride and acrylic acid and emulsifier is put into device and emulsifies；3) by sodium peroxide and 2, bis- (the 2 methyl-prop amidine) hydrochlorides of 2 azos are added as composite initiator in the above-mentioned mixing liquid emulsified, and amphoteric polyacrylamide is prepared with reversed-phase emulsion synthetic method；4) ethanol wash synthetic product, separating-purifying is used to obtain the Treatment of Sludge amphoteric polyacrylamide flocculant.Present invention utilizes the poly- propionamide large specific surface areas of amphoteric, carry the feature more than charge, effectively remove the macro-radical and charged particle in sludge, and flocculation efficiency is high.
Description
Technical field
The invention belongs to Treatment of Sludge flocculant technical fields, and in particular to a kind of Treatment of Sludge amphoteric polypropylene
The preparation method of amide flocculant.
Background technology
Sludge is some waste residues and waste of formation after trade effluent and sanitary sewage disposal, and water content is high, contains
Heavy metal and organic matter it is also very much.Since in today's society, production and life produce a large amount of sludge, still fail to look at present
Go out how reasonable approach processing sludge among we will probably live in the encirclement of sludge, therefore, is handled if technology is not promoted
Sludge, it has also become an extremely urgent problem.
Flocculant generally refers to inorganic or organic one kind containing charge, commonly used in a kind of examination of Treatment of Sludge
Agent.Flocculant can be divided into several major class, many bad due to being generated to the mankind and environment although inorganic flocculant is cheap
It influences, does not use substantially.Organic flocculant has that dosage is few, secondary pollution is small, purifying water effect is good compared to inorganic flocculating agent
Advantage, be people study flocculant a hot spot.But the flocculation efficiency of current organic flocculant is relatively low.
Invention content
Technical problem to be solved by the invention is to provide a kind of Treatment of Sludge that flocculation efficiency is high amphoteric polypropylene
The preparation method of amide flocculant.
To achieve the above object, technical solution disclosed by the invention is：
A kind of Treatment of Sludge preparation method of amphoteric polyacrylamide flocculant, includes the following steps：
1) it stocks up：Choose acrylamide, dimethyl diallyl ammonium chloride, acrylic acid, water, emulsifier, sodium peroxide and
Bis- (the 2- methyl-props amidine) hydrochlorides of 2,2- azos are spare；
2) water is added in acrylamide, dimethyl diallyl ammonium chloride and acrylic acid and emulsifier is put into breast in device
Change；
3) bis- (the 2- methyl-props amidine) hydrochlorides of sodium peroxide and 2,2- azos have been emulsified as composite initiator addition
In above-mentioned mixing liquid, amphoteric polyacrylamide is prepared with reversed-phase emulsion synthetic method；
4) ethanol wash synthetic product, separating-purifying is used to obtain the Treatment of Sludge and flocculated with amphoteric polyacrylamide
Agent.
In said program, the temperature of reversed-phase emulsion synthetic method is 48 DEG C~52 DEG C, and remains a constant speed and be stirred to react 5h~7h.
In said program, mixing speed 200r/min.
In said program, the emulsifier is Span80.
In said program, in step 1) acrylamide account for all substances in step 1) mass fraction be 8.4%~
9.6%.
In said program, the mass fraction that dimethyl diallyl ammonium chloride accounts for total material in step 1) in step 1) is
12%~13.2%.
In said program, the mass fraction that acrylic acid accounts for total material in step 1) in step 1) is 7.2%~9.6%.
In said program, the mass fraction that water accounts for total material in step 1) in step 1) is 65%~70%.
In said program, the mass fraction that emulsifier accounts for total material in step 1) in step 1) is 3%.
In said program, the mass ratio of sodium peroxide and 2, bis- (the 2- methyl-props amidine) hydrochlorides of 2- azos is 1:1.
Compared with prior art, the invention has the advantages that：(1) the poly- propionamide specific surface area of amphoteric is utilized
Greatly, the feature more than charge is carried, the macro-radical and charged particle in sludge are effectively removed, flocculation efficiency is high；(2) it uses
Amount becomes smaller compared to traditional flocculant, effectively reduces secondary pollution.
Specific implementation mode
The present invention is furtherd elucidate with reference to embodiment, but present disclosure is not limited solely to following reality
Example is applied, embodiment is not construed as limitation of the invention.
Embodiment 1
First in N2Under protection by 9g acrylamides (AM), 12.6g dimethyl diallyls ammonium chloride (DMDAAC) and
8.4g acrylic acid (AA) is added in 65g water, and emulsifier 3g Span80 are added are put into device and emulsify, in emulsion process
Then 1g sodium peroxides (Na is added in continuous mechanical agitation2O2) and bis- (the 2- methyl-props amidine) hydrochlorides of 1g 2,2- azos (also known as V-
50) it is used as composite initiator, maintains the temperature at 48 DEG C~52 DEG C, and stirring (200r/min) the reaction 6h that remains a constant speed, is made poly-
Acrylamide flocculating agent.
Embodiment 2
First in N2By 9g acrylamides (AM), 12g dimethyl diallyls ammonium chloride (DMDAAC) and 9g third under protection
Olefin(e) acid (AA) is added in 65g water, and emulsifier 3g Span80 are added are put into device and emulsify, the continuous machine in emulsion process
Tool stirs, and 1g sodium peroxides (Na is then added2O2) and bis- (2- methyl-props amidine) hydrochlorides (also known as V-50) works of 1g 2,2- azos
For composite initiator, 48 DEG C~52 DEG C are maintained the temperature at, and stirring (200r/min) the reaction 6h that remains a constant speed, polyacrylamide is made
Amine flocculant.
Embodiment 3
First in N2Under protection by 9.6g acrylamides (AM), 12g dimethyl diallyls ammonium chloride (DMDAAC) and
8.4g acrylic acid (AA) is added in 65g water, and emulsifier 3g Span80 are added are put into device and emulsify, in emulsion process
Then 1g sodium peroxides (Na is added in continuous mechanical agitation2O2) and bis- (the 2- methyl-props amidine) hydrochlorides of 1g 2,2- azos (also known as V-
50) it is used as composite initiator, maintains the temperature at 48 DEG C~52 DEG C, and stirring (200r/min) the reaction 6h that remains a constant speed, is made poly-
Acrylamide flocculating agent.
Embodiment 4
First in N2Under protection by 9.6g acrylamides (AM), 13.2g dimethyl diallyls ammonium chloride (DMDAAC) and
7.2g acrylic acid (AA) is added in 65g water, and emulsifier 3g Span80 are added are put into device and emulsify, in emulsion process
Then 1g sodium peroxides (Na is added in continuous mechanical agitation2O2) and bis- (the 2- methyl-props amidine) hydrochlorides of 1g 2,2- azos (also known as V-
50) it is used as composite initiator, maintains the temperature at 48 DEG C~52 DEG C, and stirring (200r/min) the reaction 6h that remains a constant speed, is made poly-
Acrylamide flocculating agent.
Embodiment 5
First in N2Under protection by 8.5g acrylamides (AM), 13g dimethyl diallyls ammonium chloride (DMDAAC) and
8.5g acrylic acid (AA) is added in 65g water, and emulsifier 3g Span80 are added are put into device and emulsify, in emulsion process
Then 1g sodium peroxides (Na is added in continuous mechanical agitation2O2) and bis- (the 2- methyl-props amidine) hydrochlorides of 1g 2,2- azos (also known as V-
50) it is used as composite initiator, maintains the temperature at 48 DEG C~52 DEG C, and stirring (200r/min) the reaction 6h that remains a constant speed, is made poly-
Acrylamide flocculating agent.
Embodiment 6
First in N2Under protection by 9.5g acrylamides (AM), 12.5g dimethyl diallyls ammonium chloride (DMDAAC) and
8g acrylic acid (AA) is added in 65g water, and emulsifier 3g Span80 are added are put into device and emulsify, and is connected in emulsion process
Continuous mechanical agitation, is then added 1g sodium peroxides (Na2O2) and bis- (the 2- methyl-props amidine) hydrochlorides of 1g 2,2- azos (also known as V-
50) it is used as composite initiator, maintains the temperature at 48 DEG C~52 DEG C, and stirring (200r/min) the reaction 6h that remains a constant speed, is made poly-
Acrylamide flocculating agent.
The amphoteric polyacrylamide flocculant that above-described embodiment is prepared, preparation process is simple, is easy to industrial metaplasia
Production, and each component compatibility is good, realizes group big in sludge absorption synchronous with charged ion.Table 1 is each embodiment
Specific dosage.
Dosage (the unit of 1 each ingredient of table：g)
| Embodiment | AM | DMDAAC | AA | H2O | Span80 | Na2O2 | V-50 |
| Embodiment 1 | 9 | 12.6 | 8.4 | 65 | 3 | 1 | 1 |
| Embodiment 2 | 9 | 12 | 9 | 65 | 3 | 1 | 1 |
| Embodiment 3 | 9.6 | 12 | 8.4 | 65 | 3 | 1 | 1 |
| Embodiment 4 | 9.6 | 13.2 | 7.2 | 65 | 3 | 1 | 1 |
| Embodiment 5 | 8.5 | 13 | 8.5 | 65 | 3 | 1 | 1 |
| Embodiment 6 | 9.5 | 12.5 | 8 | 65 | 3 | 1 | 1 |
Next the flocculating effect for the amphoteric polyacrylamide flocculant that the test embodiment of the present invention obtains.Weigh 5g high
Ridge soil, in 50mL graduated cylinders plus water is made into 45mL suspensions, and mud sample is simulated with this.It is accurate to weigh what the present invention obtained
0.04g P (AM-DMDAAC-AA) flocculant is dissolved in 100mL deionized waters.The above-mentioned flocculant solutions of 1mL are added to and are matched
In the suspension made, supplement deionized water shakes up to 50mL, stands, and supernatant light transmittance is measured after 1h.Flocculation efficiency is
Supernatant light transmittance.
Table 2
Above in conjunction with embodiment, invention has been described, but the invention is not limited in above-mentioned specific embodiment parties
Formula, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are in this hair
Under bright enlightenment, without breaking away from the scope protected by the purposes and claims of the present invention, many forms can be also made, this
It is a little to belong within the protection of the present invention.
Claims (10)
1. a kind of Treatment of Sludge preparation method of amphoteric polyacrylamide flocculant, which is characterized in that include the following steps：
1) it stocks up：Choose acrylamide, dimethyl diallyl ammonium chloride, acrylic acid, water, emulsifier, sodium peroxide and 2,2-
Bis- (the 2- methyl-props amidine) hydrochlorides of azo are spare；
2) water is added in acrylamide, dimethyl diallyl ammonium chloride and acrylic acid and emulsifier is put into device and emulsifies；
3) it has been emulsified using bis- (the 2- methyl-props amidine) hydrochlorides of sodium peroxide and 2,2- azos as composite initiator addition above-mentioned
In mixing liquid, amphoteric polyacrylamide is prepared with reversed-phase emulsion synthetic method；
4) ethanol wash synthetic product, separating-purifying is used to obtain the Treatment of Sludge amphoteric polyacrylamide flocculant.
2. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In the temperature of reversed-phase emulsion synthetic method is 48 DEG C~52 DEG C, and remains a constant speed and be stirred to react 5h~7h.
3. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In mixing speed 200r/min.
4. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In the emulsifier is Span80.
5. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In the mass fraction that acrylamide accounts for all substances in step 1) in step 1) is 8.4%~9.6%.
6. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In the mass fraction that dimethyl diallyl ammonium chloride accounts for total material in step 1) in step 1) is 12%~13.2%.
7. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In the mass fraction that acrylic acid accounts for total material in step 1) in step 1) is 7.2%~9.6%.
8. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In the mass fraction that water accounts for total material in step 1) in step 1) is 65%~70%.
9. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In the mass fraction that emulsifier accounts for total material in step 1) in step 1) is 3%.
10. the Treatment of Sludge according to claim 1 preparation method of amphoteric polyacrylamide flocculant, feature exist
In the mass ratio of sodium peroxide and 2, bis- (the 2- methyl-props amidine) hydrochlorides of 2- azos is 1:1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810419894.6A CN108623128A (en) | 2018-05-04 | 2018-05-04 | A kind of preparation method of Treatment of Sludge amphoteric polyacrylamide flocculant |
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| CN201810419894.6A CN108623128A (en) | 2018-05-04 | 2018-05-04 | A kind of preparation method of Treatment of Sludge amphoteric polyacrylamide flocculant |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187468A (en) * | 1997-12-10 | 1998-07-15 | 华南理工大学 | Amphoteric polyacrylamide flocculating agent and preparing process thereof |
| WO2000034581A1 (en) * | 1998-12-10 | 2000-06-15 | CALGON CORPORATION a corporation of the State of Delaware | Polyampholyte coagulant in the papermaking process |
| CN101143742A (en) * | 2006-09-15 | 2008-03-19 | 中国石油化工股份有限公司 | Reversed phase emulsion synthesis method for polyacrylamide flocculant |
| CN102321213A (en) * | 2011-06-10 | 2012-01-18 | 华南理工大学 | A kind of water medium dispersion polymerization preparation contains the method for ion polyacrylamide emulsion |
| CN103396511A (en) * | 2013-06-27 | 2013-11-20 | 内蒙古工业大学 | Method for preparing novel long-time stable amphoteric polyacrylamide aqueous dispersion |
| CN104558406A (en) * | 2015-01-27 | 2015-04-29 | 江苏富淼科技股份有限公司 | Preparation method of amphoteric polyacrylamide dispersion liquid |
-
2018
- 2018-05-04 CN CN201810419894.6A patent/CN108623128A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187468A (en) * | 1997-12-10 | 1998-07-15 | 华南理工大学 | Amphoteric polyacrylamide flocculating agent and preparing process thereof |
| WO2000034581A1 (en) * | 1998-12-10 | 2000-06-15 | CALGON CORPORATION a corporation of the State of Delaware | Polyampholyte coagulant in the papermaking process |
| CN101143742A (en) * | 2006-09-15 | 2008-03-19 | 中国石油化工股份有限公司 | Reversed phase emulsion synthesis method for polyacrylamide flocculant |
| CN102321213A (en) * | 2011-06-10 | 2012-01-18 | 华南理工大学 | A kind of water medium dispersion polymerization preparation contains the method for ion polyacrylamide emulsion |
| CN103396511A (en) * | 2013-06-27 | 2013-11-20 | 内蒙古工业大学 | Method for preparing novel long-time stable amphoteric polyacrylamide aqueous dispersion |
| CN104558406A (en) * | 2015-01-27 | 2015-04-29 | 江苏富淼科技股份有限公司 | Preparation method of amphoteric polyacrylamide dispersion liquid |
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| Title |
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| 冯志强: "《聚合物驱油剂及其应用》", 30 June 2008, 中国石油大学出版社 * |
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