CN1161411C - Composite polyacrylamide - Google Patents
Composite polyacrylamide Download PDFInfo
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- CN1161411C CN1161411C CNB021128081A CN02112808A CN1161411C CN 1161411 C CN1161411 C CN 1161411C CN B021128081 A CNB021128081 A CN B021128081A CN 02112808 A CN02112808 A CN 02112808A CN 1161411 C CN1161411 C CN 1161411C
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- polyacrylamide
- water
- composite
- ratio
- active
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
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Abstract
The present invention discloses composite polyacrylamide used for water treatment, which comprises polyacrylamide and a water-solubility surface acting agent, wherein the ratio (weight percentage) of active components of the polyacrylamide to the water-solubility surface acting agent is (90% to 99.5%): (0.5% to 10%), and the molecular weight of the polyacrylamide is 10<5> to 10<7>. The present invention also comprises an inorganic high-molecular compound; the ratio (weight percentage) of the content of the inorganic high molecular compound to the total amount of the active component of the surface acting agent is (1% to 20%): (99% to 80%). The inorganic high-molecular compound can reduce the cost when ensuring the quality of treated water.
Description
One, technical field
The present invention relates to a kind of sewage, sludge treatment or paper-making process of being used for and help filter, retention and the strong composite polyacrylamide of enhancing paper.
Two, background technology
The physico-chemical process of sewage is handled, and generally is to add earlier flocculation agent (to be called for short 1 in sewage
#Medicament), the fine suspension in the sewage is condensed.And then adding coagulant aids or flocculation agent (abbreviation 2
#Medicament), utilize the effects such as long-chain bridging of polyacrylamide macromolecular compound, the suspended substance that makes cohesion further increases and is alumen ustum or precipitates in settling tank, and accumulation is wet body refuse or wet mud; Or in air flotation pool, be subjected to the small bubbles effect, and the upper floating tank top is collected and is wet mud, separates from water, and makes water become clear, thereby reach environmental requirement, can discharge or reuse again, and wet mud adds the dewatering agent polyacrylamide again and (claims 3 again
#Medicament), in plate-and-frame filter press or belt filter press, is dehydrated into mud also, or removes landfill, or make fertilizer etc., dispose at last.1
#Medicament is to use mineral compound such as Tai-Ace S 150, iron trichloride in early days, nearly more than ten years, developed inorganic macromolecule compounds such as polymerize aluminum chloride, bodied ferric sulfate, and single with 1
#Medicament also can make sewage become clear, but with 1
#-2
#Be used and compare, latter's treatment time is short, and effective, expense is low, has become the method that generally adopts, this 1
#-2
#Be used, it is single must separating the polyacrylamide that adds wherein.
Three, technical scheme
Technical problem: the present invention improves a kind of low-cost composite polyacrylamide that can guarantee the water treatment quality.
Technical scheme: the present invention is a kind of composite polyacrylamide that is used for water treatment, comprise polyacrylamide and water soluble surfactant active, polyacrylamide is (90%-99.5%) with the ratio (weight percent) of water soluble surfactant active's active ingredient: (0.5%-10%).
Beneficial effect: when 1. the present invention handles polyacrylamide and surfactant compound together to sewage, utilized tensio-active agent can make the mud surface become hydrophobicity by wetting ability, the broken combination that has encircled between muddy water, its synergy makes the present invention compared with prior art handle same object, when reaching identical water treatment quality, can reduce the consumption of polyacrylamide, thereby realize reducing cost, make the present invention under the preceding topic that guarantees the water treatment quality, have advantage cheaply, perhaps when keeping cost identical, improved the water treatment quality.2. the present invention adopts inorganic macromolecule compound, as bodied ferric sulfate, polymerize aluminum chloride etc., thereby utilize that the positive polarity effect of high-valence cationic strengthens cationic-type polyacrylamide electrically strengthen its bridging effect.Make the suspended particles precipitation or the air supporting that have negative charge, more help reducing cost, guarantee the water treatment quality; Activated silica gel for another example, the effect of taking that its can Reinforced Polypropylene acid amides is so it also has agilely in reducing cost assurance water treatment quality.3. the present invention has adopted the environmental protection water-soluble salt, promptly meets the water-soluble salt of environmental regulations, and it can be a neutral salt, for example: sodium sulfate, sodium chloride contain crystal water calcium chloride, magnesium chloride, also can be slightly acidic salt (as: Tai-Ace S 150) or weakly alkaline salt, water-soluble salt can, strengthen ionic strength.
Four, embodiment
Embodiment 1 the present invention is a kind of composite polyacrylamide that is used for water treatment, comprise polyacrylamide and water soluble surfactant active, polyacrylamide is (90%-99.5%) with the ratio (weight percent) of water soluble surfactant active's active ingredient: (0.5%-10%), the molecular weight of polyacrylamide is 10
5-10
7The present invention also comprises inorganic macromolecule compound and environment-friendly water-soluble inorganic salt, wherein, the content of inorganic macromolecule compound is (1%-20%) with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition: (99%-80%), the content of environment-friendly water-soluble inorganic salt is (5%-50%) with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition: (50%-95%), for avoiding sedimentary generation or reducing drug effect, polyacrylamide, tensio-active agent and inorganic polymer are the polyacrylamide of same ion type, tensio-active agent and inorganic polymer, non-ionic type then can be composite with any ionic.
Embodiment 2 the present invention are a kind of composite polyacrylamides that are used for water treatment, comprise polyacrylamide and water soluble surfactant active, polyacrylamide is 99.5%: 0.5% with the ratio (weight percent) of water soluble surfactant active's active ingredient, and the molecular weight of polyacrylamide is 10
5The present invention also comprises inorganic macromolecule compound and environment-friendly water-soluble inorganic salt, wherein, the content of inorganic macromolecule compound is 20%: 80% with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition, and the content of environment-friendly water-soluble inorganic salt is 50%: 50% with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition.
Embodiment 3 the present invention are a kind of composite polyacrylamides that are used for water treatment, comprise polyacrylamide and water soluble surfactant active, polyacrylamide is 92%: 8% with the ratio (weight percent) of water soluble surfactant active's active ingredient, and the molecular weight of polyacrylamide is 10
6The present invention also comprises inorganic macromolecule compound and environment-friendly water-soluble inorganic salt, wherein, the content of inorganic macromolecule compound is 17%: 83% with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition, and the content of environment-friendly water-soluble inorganic salt is 22%: 78% with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition.
Embodiment 4 the present invention are a kind of composite polyacrylamides that are used for water treatment, comprise polyacrylamide and water soluble surfactant active, and polyacrylamide is 96%: 4% with the ratio (weight percent) of water soluble surfactant active's active ingredient; The molecular weight of polyacrylamide is 10
7The present invention also comprises inorganic macromolecule compound and environment-friendly water-soluble inorganic salt, wherein, the content of inorganic macromolecule compound is 8%: 92% with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition, and the content of environment-friendly water-soluble inorganic salt is 40%: 60% with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition.
Embodiment 5 the present invention are a kind of composite polyacrylamides that are used for water treatment, comprise polyacrylamide and water soluble surfactant active, polyacrylamide is 90%: 10% with the ratio (weight percent) of water soluble surfactant active's active ingredient, and the molecular weight of polyacrylamide is 10
5The present invention also comprises inorganic macromolecule compound and environment-friendly water-soluble inorganic salt, wherein, the content of inorganic macromolecule compound is 1%: 99% with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition, and the content of environment-friendly water-soluble inorganic salt is 5%: 95% with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition.
Embodiment 6 present embodiments are a kind of composite polyacrylamides that are used to dispose of sewage, form by polyacrylamide, water soluble surfactant active and environment-friendly water-soluble inorganic salt, polyacrylamide adopts anion-polyacrylamide, the water soluble surfactant active adopts hexadecyl benzene sulfonic acid sodium salt, inorganic salt to adopt sodium-chlor, its proportioning (weight percent) is: polyacrylamide 80%, water soluble surfactant active's active ingredient 5%, environment-friendly water-soluble inorganic salt 15%.
Embodiment 7 present embodiments are a kind of composite polyacrylamides that are used to dispose of sewage, form by polyacrylamide, water soluble surfactant active and environment-friendly water-soluble inorganic salt, polyacrylamide adopts cationic-type polyacrylamide, the water soluble surfactant active adopts dodecyl dimethyl benzyl ammonium chloride, inorganic salt to adopt sodium sulfate, its proportioning (weight percent) is: polyacrylamide 83%, water soluble surfactant active's active ingredient 2%, environment-friendly water-soluble inorganic salt 15%.
Embodiment 8 present embodiments are a kind of composite polyacrylamides that are used to handle sludge dewatering, form by polyacrylamide, water soluble surfactant active and environment-friendly water-soluble inorganic salt, polyacrylamide adopts cationic-type polyacrylamide, the water soluble surfactant active adopts alkyl alcohol Soxylat A 25-7, inorganic salt to adopt sodium sulfate, its proportioning (weight percent) is: polyacrylamide 90%, water soluble surfactant active's active ingredient 2%, environment-friendly water-soluble inorganic salt 8%.
Embodiment 9 present embodiments are that a kind of paper-making process that is used for helps filter, retention and the strong composite polyacrylamide of enhancing paper, by polyacrylamide, the water soluble surfactant active, inorganic macromolecule compound and environment-friendly water-soluble inorganic salt are formed, polyacrylamide adopts anion-polyacrylamide, the water soluble surfactant active adopts dodecyl dimethyl benzyl ammonium chloride, inorganic macromolecule compound adopts aluminum chloride, inorganic salt adopt sodium sulfate, its proportioning (weight percent) is: polyacrylamide 75%, water soluble surfactant active's active ingredient 5%, polymerize aluminum chloride 10%, environment-friendly water-soluble inorganic salt 10%.
Embodiment 10 present embodiments are a kind of composite polyacrylamides, form by polyacrylamide, water soluble surfactant active and environment-friendly water-soluble inorganic salt, polyacrylamide can adopt cationic-type polyacrylamide, the water soluble surfactant active can adopt dodecyl dimethyl benzyl ammonium chloride, inorganic salt can adopt sodium sulfate, its proportioning (weight percent) is: polyacrylamide 54%~90%, water soluble surfactant active's active ingredient 1~3%, environment-friendly water-soluble inorganic salt 8~45%.
Embodiment 11 the present invention are a kind of composite polyacrylamides that are used for water treatment, be made up of polyacrylamide and water soluble surfactant active, polyacrylamide is (90%-99.5%) with the ratio (weight percent) of water soluble surfactant active's active ingredient: (0.5%-10%).
Claims (5)
1, a kind of composite polyacrylamide that is used for water treatment, it is characterized in that comprising polyacrylamide and water soluble surfactant active, polyacrylamide is (90%-99.5%) with the ratio (weight percent) of water soluble surfactant active's active ingredient: (0.5%-10%).
2, composite polyacrylamide according to claim 1, the molecular weight that it is characterized in that polyacrylamide is 10
5-10
7
3, composite polyacrylamide according to claim 1 and 2, it is characterized in that comprising inorganic macromolecule compound, its content is (1%-20%) with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition: (99%-80%).
4, composite polyacrylamide according to claim 3, it is characterized in that comprising the environment-friendly water-soluble inorganic salt, its content is (5%-50%) with the ratio (weight percent) of the total amount of polyacrylamide and surfactant activity composition: (50%-95%).
5, composite polyacrylamide according to claim 4 is characterized in that polyacrylamide, tensio-active agent and inorganic polymer are polyacrylamide, tensio-active agent and the inorganic polymer of same ion type.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB021128081A CN1161411C (en) | 2002-03-27 | 2002-03-27 | Composite polyacrylamide |
Applications Claiming Priority (1)
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CNB021128081A CN1161411C (en) | 2002-03-27 | 2002-03-27 | Composite polyacrylamide |
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CN1374342A CN1374342A (en) | 2002-10-16 |
CN1161411C true CN1161411C (en) | 2004-08-11 |
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CNB021128081A Expired - Fee Related CN1161411C (en) | 2002-03-27 | 2002-03-27 | Composite polyacrylamide |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US10106443B2 (en) * | 2013-04-25 | 2018-10-23 | S.P.C.M. Sa | Composition for treating suspensions of solid particles in water and method using said composition |
CN104445548A (en) * | 2014-11-07 | 2015-03-25 | 安徽天润化学工业股份有限公司 | Composite polyacrylamide for water treatment |
CN104528903B (en) * | 2014-12-19 | 2016-08-31 | 广东永利坚铝业有限公司 | A kind of flocculant processing aluminum material factory's industrial wastewater and preparation method thereof |
CN104556333B (en) * | 2015-01-09 | 2016-08-17 | 嵊州市博纳五金机械厂 | A kind of composite flocculant processing aluminum material factory's waste water and preparation method thereof |
CN109250861A (en) * | 2018-08-27 | 2019-01-22 | 桂林桂特板业有限公司 | A kind of calcium silicate board sewage water treatment method |
CN109809506A (en) * | 2019-01-31 | 2019-05-28 | 徐兴礼 | A kind of composite acrylic acid polymer |
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