CN106589242A - Structure-modified flocculant and preparation method therefor - Google Patents
Structure-modified flocculant and preparation method therefor Download PDFInfo
- Publication number
- CN106589242A CN106589242A CN201611134323.5A CN201611134323A CN106589242A CN 106589242 A CN106589242 A CN 106589242A CN 201611134323 A CN201611134323 A CN 201611134323A CN 106589242 A CN106589242 A CN 106589242A
- Authority
- CN
- China
- Prior art keywords
- parts
- sodium hypophosphite
- carboxylate
- alkali metal
- sulphur compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C08F2/04—Polymerisation in solution
Abstract
The invention discloses a structure-modified flocculant and a preparation method therefor. The flocculant is prepared from the following ingredients in parts by mass: 10-30 parts of mixing-sedimentation tank sludge, 4-6 parts of carboxylate, 11-13 parts of sulfur compound, 2-4 parts of aluminum ammonium sulfate, 3-5 parts of aluminum potassium sulfate, 4-6 parts of sodium hypophosphite, 3-7 parts of sodium formate, 4-6 parts of alkali metal chloride, 5-7 parts of sodium hypophosphite, 6-8 parts of triallyl amine, 6-8 parts of triallyl ammonium salt, 15-25 parts of starch and 1-2 parts of cross-linking agent. According to the structure-modified flocculant and the preparation method therefor, the polymerization of aqueous solutions of monomers is initiated under the condition of free-radical polymerization so as to form a polymer solution, and at least one structural modifier is added into the polymer solution after at least 30% of monomer polymerization occurs already. The invention further relates to use of water-soluble cross-linked polymers as flocculants.
Description
Technical field
The present invention relates to environmental technology field, in particular to a kind of structurally-modified flocculant and preparation method thereof.
Background technology
Water-soluble polymer flocculant is generally used for the suspension of the organic substance of clarified protein class or cellulose material essence
Liquid, as found in sewage and commercial plant process effluent or in paper mill.
These materials for suspending are inherently hydrophilic and Jing often has and is fairly close to their water that wherein suspends
The proportion of solution, it is in a substantial way in physics dehydration such as mistake with the difference of more hydrophobic mineral matter suspension
Before filter, flotation, sedimentation or dehydration, their Jing are often more difficult to be flocculated using chemical reagent.When there is higher proportion of suspension
During matter, 0.5wt% and concentration upwards are generally included, wherein suspension has pasty consistency and is commonly described as sludge, these
Difficulty is particularly noteworthy.
It is well known that the clarification of sewage and industrial sludge and similar organic suspension liquid or dehydration can be assisted by chemical reagent,
Add chemical reagent to induce the state for condensing or flocculating, it promotes the liquid/solid or liquid/liquid segregation from water.For this
Purpose, using lime or the salt of iron or aluminium.It has been found that closer to the polyelectrolyte of synthesis, particularly some of acrylamide
Cation and anionic copolymer, merit attention.
The content of the invention
The invention provides a kind of structurally-modified flocculant and preparation method thereof, of the invention to draw under the conditions of radical polymerization
The polymerization of monomer solution is sent out to form polymer solution, and in the rear to polymer of the monomer polymerization for having occurred and that at least 30%
At least one structure modifier is added in solution, and is related to cross linked water soluble polymer as the purposes of flocculant.
For achieving the above object, the present invention provides following technical scheme：
A kind of structurally-modified flocculant and preparation method thereof, is made up of following mass fraction formula components：Mixed heavy pond sludge
10-30 parts, carboxylate 4-6 parts, sulphur compound 11-13 parts, alum 2-4 parts, aluminum potassium sulfate 3-5 parts, sodium hypophosphite 4-6
Part, sodium formate 3-7 parts, alkali metal chloride 4-6 parts, sodium hypophosphite 5-7 parts, triallylamine 6-8 parts, triallyl ammonium 6-8
Part, starch 15-25 parts, crosslinking agent 1-2 parts.
Further：It is made up of following mass fraction formula components：Mixed heavy 10 parts of pond sludge, 4 parts of carboxylate, sulphur compound 11
Part, 2 parts of alum, 3 parts of aluminum potassium sulfate, 4 parts of sodium hypophosphite, 3 parts of sodium formate, 4 parts of alkali metal chloride, 5 parts of sodium hypophosphite,
6 parts of triallylamine, 6 parts of triallyl ammonium, 15 parts of starch, 1 part of crosslinking agent.
Further：It is made up of following mass fraction formula components：Mixed heavy 20 parts of pond sludge, 5 parts of carboxylate, sulphur compound 12
Part, 3 parts of alum, 4 parts of aluminum potassium sulfate, 5 parts of sodium hypophosphite, 5 parts of sodium formate, 5 parts of alkali metal chloride, 6 parts of sodium hypophosphite,
7 parts of triallylamine, 7 parts of triallyl ammonium, 20 parts of starch, 1.5 parts of crosslinking agent.
Further：It is made up of following mass fraction formula components：Mixed heavy 30 parts of pond sludge, 6 parts of carboxylate, sulphur compound 13
Part, 4 parts of alum, 5 parts of aluminum potassium sulfate, 6 parts of sodium hypophosphite, 7 parts of sodium formate, 6 parts of alkali metal chloride, 7 parts of sodium hypophosphite,
8 parts of triallylamine, 8 parts of triallyl ammonium, 25 parts of starch, 2 parts of crosslinking agent.
Further：Preparation method of the present invention has following steps：
Step one, will mixed heavy pond sludge and sulphur compound be placed on 600～700 DEG C at toast 3～8h；
Step 2, that mixed heavy pond sludge and sulphur compound in step one obtained by baking are finely ground into into 100～150 purposes is thin
Powder；
Step 3, carboxylate and alkali metal chloride are taken by mass fraction and sodium hypophosphite is mixed；
Step 4, mixture will be obtained in step 3 with 80～200r/min stir 5～10min, obtain what is stirred
Mixture；
Step 5, surplus stock added again, then proceed to stir 30～60min with 80～200r/min, got product.
The invention has the beneficial effects as follows：The polymerization of present invention trigger monomer aqueous solution under the conditions of radical polymerization is forming
Polymer solution, and add at least one structure to change in polymer solution in the rear of the monomer polymerization for having occurred and that at least 30%
Property agent, and it is related to cross linked water soluble polymer as the purposes of flocculant.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment one：
A kind of structurally-modified flocculant is made up of following mass fraction formula components：Mixed heavy pond sludge 10-30 parts, carboxylate
4-6 parts, sulphur compound 11-13 parts, alum 2-4 parts, aluminum potassium sulfate 3-5 parts, sodium hypophosphite 4-6 parts, sodium formate 3-7 parts,
Alkali metal chloride 4-6 parts, sodium hypophosphite 5-7 parts, triallylamine 6-8 parts, triallyl ammonium 6-8 part, starch 15-25 parts,
Crosslinking agent 1-2 parts.
Embodiment two：
A kind of structurally-modified flocculant is made up of following mass fraction formula components：Mixed heavy 10 parts of pond sludge, carboxylate 4
Part, 11 parts of sulphur compound, 2 parts of alum, 3 parts of aluminum potassium sulfate, 4 parts of sodium hypophosphite, 3 parts of sodium formate, alkali metal chloride 4
Part, 5 parts of sodium hypophosphite, 6 parts of triallylamine, 6 parts of triallyl ammonium, 15 parts of starch, 1 part of crosslinking agent.
Embodiment three：
A kind of structurally-modified flocculant is made up of following mass fraction formula components：Mixed heavy 20 parts of pond sludge, carboxylate 5
Part, 12 parts of sulphur compound, 3 parts of alum, 4 parts of aluminum potassium sulfate, 5 parts of sodium hypophosphite, 5 parts of sodium formate, alkali metal chloride 5
Part, 6 parts of sodium hypophosphite, 7 parts of triallylamine, 7 parts of triallyl ammonium, 20 parts of starch, 1.5 parts of crosslinking agent.
Example IV：
A kind of structurally-modified flocculant is made up of following mass fraction formula components：Mixed heavy 30 parts of pond sludge, carboxylate 6
Part, 13 parts of sulphur compound, 4 parts of alum, 5 parts of aluminum potassium sulfate, 6 parts of sodium hypophosphite, 7 parts of sodium formate, alkali metal chloride 6
Part, 7 parts of sodium hypophosphite, 8 parts of triallylamine, 8 parts of triallyl ammonium, 25 parts of starch, 2 parts of crosslinking agent.
Embodiment five：
A kind of preparation method preparation method of structurally-modified flocculant comprises the steps：
Step one, will mixed heavy pond sludge and sulphur compound be placed on 600～700 DEG C at toast 3～8h；
Step 2, that mixed heavy pond sludge and sulphur compound in step one obtained by baking are finely ground into into 100～150 purposes is thin
Powder；
Step 3, carboxylate and alkali metal chloride are taken by mass fraction and sodium hypophosphite is mixed；
Step 4, mixture will be obtained in step 3 with 80～200r/min stir 5～10min, obtain what is stirred
Mixture；
Step 5, surplus stock added again, then proceed to stir 30～60min with 80～200r/min, got product.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should
Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of structurally-modified flocculant, it is characterised in that：It is made up of following mass fraction formula components：
Mixed heavy pond sludge 10-30 parts, carboxylate 4-6 parts, sulphur compound 11-13 parts, alum 2-4 parts, aluminum potassium sulfate 3-5
Part, sodium hypophosphite 4-6 parts, sodium formate 3-7 parts, alkali metal chloride 4-6 parts, sodium hypophosphite 5-7 parts, triallylamine 6-8 parts, three
Pi-allyl ammonium salt 6-8 parts, starch 15-25 parts, crosslinking agent 1-2 parts.
2. a kind of structurally-modified flocculant according to claim 1, it is characterised in that：By following mass fraction formula components
Composition：
Mixed heavy 10 parts of pond sludge, 4 parts of carboxylate, 11 parts of sulphur compound, 2 parts of alum, 3 parts of aluminum potassium sulfate, sodium hypophosphite 4
Part, 3 parts of sodium formate, 4 parts of alkali metal chloride, 5 parts of sodium hypophosphite, 6 parts of triallylamine, 6 parts of triallyl ammonium, starch 15
Part, 1 part of crosslinking agent.
3. a kind of structurally-modified flocculant according to claim 1, it is characterised in that：By following mass fraction formula components
Composition：
Mixed heavy 20 parts of pond sludge, 5 parts of carboxylate, 12 parts of sulphur compound, 3 parts of alum, 4 parts of aluminum potassium sulfate, sodium hypophosphite 5
Part, 5 parts of sodium formate, 5 parts of alkali metal chloride, 6 parts of sodium hypophosphite, 7 parts of triallylamine, 7 parts of triallyl ammonium, starch 20
Part, 1.5 parts of crosslinking agent.
4. a kind of structurally-modified flocculant according to claim 1, it is characterised in that：By following mass fraction formula components
Composition：
Mixed heavy 30 parts of pond sludge, 6 parts of carboxylate, 13 parts of sulphur compound, 4 parts of alum, 5 parts of aluminum potassium sulfate, sodium hypophosphite 6
Part, 7 parts of sodium formate, 6 parts of alkali metal chloride, 7 parts of sodium hypophosphite, 8 parts of triallylamine, 8 parts of triallyl ammonium, starch 25
Part, 2 parts of crosslinking agent.
5. a kind of a kind of preparation method of structurally-modified flocculant according to claim 1, it is characterised in that：Including as follows
Step：
Step one, will mixed heavy pond sludge and sulphur compound be placed on 600～700 DEG C at toast 3～8h；
Step 2, the fine powder that the mixed heavy pond sludge and sulphur compound obtained by baking in step one is finely ground into 100～150 mesh；
Step 3, carboxylate and alkali metal chloride are taken by mass fraction and sodium hypophosphite is mixed；
Step 4, mixture will be obtained in step 3 with 80～200r/min stir 5～10min, obtain the mixing for stirring
Thing；
Step 5, surplus stock added again, then proceed to stir 30～60min with 80～200r/min, got product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134323.5A CN106589242A (en) | 2016-12-10 | 2016-12-10 | Structure-modified flocculant and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134323.5A CN106589242A (en) | 2016-12-10 | 2016-12-10 | Structure-modified flocculant and preparation method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106589242A true CN106589242A (en) | 2017-04-26 |
Family
ID=58598202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611134323.5A Pending CN106589242A (en) | 2016-12-10 | 2016-12-10 | Structure-modified flocculant and preparation method therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106589242A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426429A (en) * | 2000-06-29 | 2003-06-25 | 翁德奥纳尔科公司 | Structurally-modified polymer flocculants |
| CN1826160A (en) * | 2003-07-29 | 2006-08-30 | P&W投资基金管理有限公司 | Flocculating agent, method for the production and use thereof |
| CN101786701A (en) * | 2009-01-22 | 2010-07-28 | 田桂林 | Quick flocculating agent |
| CN102745787A (en) * | 2012-06-29 | 2012-10-24 | 武汉钢铁(集团)公司 | Fast flocculating agent and its preparation method |
| CN104843841A (en) * | 2015-05-23 | 2015-08-19 | 张家港市山牧新材料技术开发有限公司 | Sewage flocculant |
-
2016
- 2016-12-10 CN CN201611134323.5A patent/CN106589242A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426429A (en) * | 2000-06-29 | 2003-06-25 | 翁德奥纳尔科公司 | Structurally-modified polymer flocculants |
| CN1826160A (en) * | 2003-07-29 | 2006-08-30 | P&W投资基金管理有限公司 | Flocculating agent, method for the production and use thereof |
| CN101786701A (en) * | 2009-01-22 | 2010-07-28 | 田桂林 | Quick flocculating agent |
| CN102745787A (en) * | 2012-06-29 | 2012-10-24 | 武汉钢铁(集团)公司 | Fast flocculating agent and its preparation method |
| CN104843841A (en) * | 2015-05-23 | 2015-08-19 | 张家港市山牧新材料技术开发有限公司 | Sewage flocculant |
Non-Patent Citations (1)
| Title |
|---|
| 何生厚: "《油气开采工程师手册》", 30 April 2006 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lee et al. | Flocculation activity of novel ferric chloride–polyacrylamide (FeCl3-PAM) hybrid polymer | |
| CN105129901B (en) | Graft modified starch flocculation adsorption agent for tanning sewage and preparation method thereof | |
| CN103468028B (en) | A kind of Efficient calcium slurry dispersant and preparation method thereof | |
| EP2989163B1 (en) | Composition for treating suspensions of solid particles in water and method using said composition | |
| CN108455642B (en) | Method for preparing slag-free PAC (polyaluminium chloride) by utilizing efficient emulsification shear stirring technology | |
| WO2016190388A1 (en) | Wastewater treatment method | |
| CN104724809A (en) | Ternary copolymerization flocculating agent based on natural macromolecules and preparation method for ternary copolymerization flocculating agent | |
| JP2015515526A (en) | New cationic polymer | |
| JPH0556199B2 (en) | ||
| CN107151030A (en) | A kind of preparation method and applications for polymerizeing zirconium chloride inorganic polymer coagulant | |
| CN103964554A (en) | Polymeric titanium sulfate-PDMDAAC (poly dimethyl diallyl ammonium chloride) composite coagulant as well as preparation and application methods thereof | |
| CN106589242A (en) | Structure-modified flocculant and preparation method therefor | |
| JP5967705B2 (en) | Coagulation treatment agent and sludge dewatering method using the same | |
| JPH0231899A (en) | Method for dehydrating sludge | |
| JP2012170943A (en) | Sludge dewatering agent, and method of dewatering sludge | |
| JP4479095B2 (en) | Polymer flocculant and sludge dewatering method | |
| JP2006015209A (en) | Dehydration method of digested sewage sludge | |
| JP3906636B2 (en) | Amphoteric polymer flocculant and sludge dewatering method | |
| CN109553170B (en) | Inorganic-organic composite polymer dephosphorization flocculant and preparation method thereof | |
| JP2010215867A (en) | Water-soluble polymer composition | |
| JP4161559B2 (en) | Composition, amphoteric polymer flocculant and method for dewatering sludge | |
| JP2013180260A (en) | Waste water treatment method | |
| CN104229967A (en) | Montmorillonite modified melamine/chitosan painting mist coagulant | |
| JP2004209413A (en) | Composition, polymer coagulant, and method for dehydrating sludge | |
| JP2012115790A (en) | Wastewater treatment agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |