CN102963951A - Method for treating papermaking wastewater - Google Patents
Method for treating papermaking wastewater Download PDFInfo
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- CN102963951A CN102963951A CN 201210496779 CN201210496779A CN102963951A CN 102963951 A CN102963951 A CN 102963951A CN 201210496779 CN201210496779 CN 201210496779 CN 201210496779 A CN201210496779 A CN 201210496779A CN 102963951 A CN102963951 A CN 102963951A
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- calcium hydroxide
- polyacrylamide
- montmorillonite
- papermaking wastewater
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Abstract
The invention provides a method for treating papermaking wastewater. The method is characterized in that the papermaking wastewater is treated by using a composition comprising active carbon, zeolite minerals, montmorillonite, polyacrylamide and calcium hydroxide. According to the method, organic matters and inorganic matters, and other impurities in the papermaking wastewater can be efficiently and rapidly absorbed and removed, and emission on standard of the papermaking wastewater is realized. The method has the advantages of low cost, no toxicity and no corrosion.
Description
Technical field
The invention belongs to technical field of waste water processing, be specifically related to a kind of method of Processing Paper Wastewater.
Background technology
Existing method of wastewater treatment has physical treatment process, method of chemical treatment, biological treatment.
Physical treatment process is the most original water treatment method, is the method for separating, reclaim undissolved suspended state pollutent in the sewage by modes such as gravity stratification, centrifugal or filtrations.The method is simple, but can only do some simple wastewater treatments, and processing is very incomplete, is difficult to qualified discharge.
Method of chemical treatment mainly is the method with medicament and the pollutent thrown in neutralize, the chemical reactions such as coagulation, redox carry out wastewater treatment.But the method process range is narrow, the wastewater treatment ability many to organism.
Biological treatment is that the metabolism by microorganism makes organic pollutant in the sewage be converted into the method for stable harmless object.But the method treatment scheme is long, facility investment is large, operating cost is high, heavy metal ion is difficult to remove.
Summary of the invention
The present invention aims to provide the method for a kind of high-level efficiency, low-cost processes paper waste.
Particularly, the present invention is a kind of method of Processing Paper Wastewater, it is characterized in that, uses the compositions-treated paper waste of following component: gac, zeolite group mineral, montmorillonite, polyacrylamide, calcium hydroxide.
Wherein, each constituent mass proportion optimization of described composition is: gac 15-25 part, zeolite group mineral 15-20 part, montmorillonite 15-25 part, polyacrylamide 5-10 part, calcium hydroxide 12-18 part, more preferably: gac 20-25 part, zeolite group mineral 18-20 part, montmorillonite 15-18 part, polyacrylamide 5-8 part, calcium hydroxide 13-15 part are particularly preferably: 22 parts of gacs, 19 parts of zeolite group minerals, 16 parts of montmorillonites, 6 parts of polyacrylamides, 14 parts in calcium hydroxide.
Gac claims again active black, is black powder shape or the granular decolorizing carbon that obtains through charing, activation and aftertreatment with raw materials such as coal, timber and shells.Gac has pore structurally because the microcrystalline carbon irregular alignment between cross connection, can produce the carbon tissue defects during activation, so it is a kind of porous carbon, and tap density is low, and pore texture is flourishing, the large (1500m of specific surface area
2More than/the g), high adsorption capacity, be widely used in the deep purifying of tap water, process water and waste water, industrial purification of water quality and the Gas Phase Adsorption, such as power plant, petrochemical industry, refinery, food-drink, sugaring wine processed, medicine, electronics, breed fish, the purification of water quality of the industry such as sea-freight processes, free chlorine, phenol, sulphur and other organic pollutant in the energy active adsorption water, particularly the precursor of mutagen (THM) reaches the purpose that purification and impurity removal removes peculiar smell.
Zeolite group mineral is a kind of moisture basic metal or the manosil AS mineral of alkaline-earth metal, has the three-dimensional framework that is consisted of by silicon (aluminium) oxygen tetrahedron, hole of all sizes and passage are arranged in the skeleton, these holes and passage play the effect of strainer and molecular sieve, can optionally adsorb or filtered wastewater in organism or inorganics, therefore be widely used in the aspects such as sewage purification.
Montmorillonite has another name called montmorillonite, is the layer mineral that is made of the superfine hydrous alumino silicates of particle, has very strong adsorptive power and cation exchange property, is extensively applied in the chemical reaction to produce adsorption and cleaning action.When montmorillonite and zeolite group mineral use together, can make montmorillonite and zeolite group mineral play complementary collaborative effect by micro-porous adsorption and ion-exchange.
Polyacrylamide is that molecular weight has good flocculence by millions of to several macromolecular water-soluble organic polymers of ten million, can reduce the frictional resistance between the liquid, forms larger flco and produce thus huge surface adsorption effect between particle.Process the use polyacrylamide for paper waste and generally be divided into two processes: the one, the charge neutralization of polymer electrolyte and particle surface; The 2nd, the long-chain of polymer electrolyte and tiny suspended particles are built bridge and are formed thicker floc sedimentation, and along with the increase of floc sedimentation, settling velocity increases gradually.Domestic representational high polymer polyacrylamide has at present: non-ionic polyacrylamide (is write a Chinese character in simplified form NPAM, molecular weight 800-1500 ten thousand), anion-polyacrylamide (is write a Chinese character in simplified form APAM, molecular weight 800-2000 ten thousand), cationic polyacrylamide (is write a Chinese character in simplified form CPAM, molecular weight 800-1200 ten thousand, ion degree 10%-80%).
Calcium hydroxide is commonly called as white lime or slaked lime, is white solid, is slightly soluble in water, and its aqueous solution often is called liming, is alkalescence, have the general character of alkali, but its alkalescence or corrodibility is all than a little less than the sodium hydroxide.Use calcium hydroxide can in and the acidic component in the paper waste, the adsorption that improves above-mentioned each sorbent material.
The present invention can be efficiently, adsorb rapidly, remove the impurity such as organism in the paper waste and inorganics, realize the qualified discharge of waste water, and the method cost is low, nontoxic, non-corrosiveness.
Embodiment
Describe the present invention in detail below in conjunction with embodiment; but the following examples only are the better embodiment of the present invention; protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Embodiment 1
Get the composition of following quality proportioning: 15 parts of gacs, 20 parts of zeolite group minerals, 0 part of montmorillonite 2,5 parts of polyacrylamides, 13 parts in calcium hydroxide.Get the 5g said composition, join in the 1L paper waste, stirred 15 minutes, standing demix filters the water that obtains clarifying.Inorganics and organic amount in the water before and after processing are measured, and the result shows that the clearance of these impurity has all reached more than 85%.
Embodiment 2
Get the composition of following quality proportioning: 22 parts of gacs, 20 parts of zeolite group minerals, 16 parts of montmorillonites, 5 parts of polyacrylamides, 15 parts in calcium hydroxide.Get the 5g said composition, join in the 1L paper waste, stirred 15 minutes, standing demix filters the water that obtains clarifying.Inorganics and organic amount in the water before and after processing are measured, and the result shows that the clearance of these impurity has all reached more than 80%.
Embodiment 3
Get the composition of following quality proportioning: 22 parts of gacs, 19 parts of zeolite group minerals, 16 parts of montmorillonites, 6 parts of polyacrylamides, 14 parts in calcium hydroxide.Get the 5.5g said composition, join in the 1L paper waste, stirred 18 minutes, standing demix filters the water that obtains clarifying.Inorganics and organic amount in the water before and after processing are measured, and the result shows that the clearance of these impurity has all reached more than 90%.
Claims (4)
1. the method for a Processing Paper Wastewater is characterized in that, uses the compositions-treated paper waste of following component: gac, zeolite group mineral, montmorillonite, polyacrylamide, calcium hydroxide.
2. method according to claim 1 is characterized in that, each constituent mass proportioning of described composition is: gac 15-25 part, zeolite group mineral 15-20 part, montmorillonite 15-25 part, polyacrylamide 5-10 part, calcium hydroxide 12-18 part.
3. method according to claim 1 is characterized in that, each constituent mass proportioning of described composition is: gac 20-25 part, zeolite group mineral 18-20 part, montmorillonite 15-18 part, polyacrylamide 5-8 part, calcium hydroxide 13-15 part.
4. method according to claim 1 is characterized in that, each constituent mass proportioning of described composition is: 22 parts of gacs, 19 parts of zeolite group minerals, 16 parts of montmorillonites, 6 parts of polyacrylamides, 14 parts in calcium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210496779 CN102963951A (en) | 2012-11-28 | 2012-11-28 | Method for treating papermaking wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210496779 CN102963951A (en) | 2012-11-28 | 2012-11-28 | Method for treating papermaking wastewater |
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| CN102963951A true CN102963951A (en) | 2013-03-13 |
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| CN 201210496779 Pending CN102963951A (en) | 2012-11-28 | 2012-11-28 | Method for treating papermaking wastewater |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435138A (en) * | 2013-08-26 | 2013-12-11 | 苏州富奇诺水治理设备有限公司 | Starch phosphate-containing papermaking wastewater treatment agent |
| CN104445501A (en) * | 2014-11-20 | 2015-03-25 | 镇江拜因诺生物科技有限公司 | Electroplating wastewater treatment agent |
| CN107117694A (en) * | 2017-05-14 | 2017-09-01 | 安徽泛亚环保科技有限公司 | A kind of purification of waste water special agent and its production method |
| CN107140709A (en) * | 2017-04-28 | 2017-09-08 | 四川和鼎环保工程有限责任公司 | Purifying agent for polluted water and preparation method thereof |
| CN108640204A (en) * | 2018-05-31 | 2018-10-12 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of efficient paper waste cleanser and preparation method thereof |
| CN114108356A (en) * | 2021-10-21 | 2022-03-01 | 江苏理文造纸有限公司 | Papermaking white water anion garbage recycling process |
-
2012
- 2012-11-28 CN CN 201210496779 patent/CN102963951A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435138A (en) * | 2013-08-26 | 2013-12-11 | 苏州富奇诺水治理设备有限公司 | Starch phosphate-containing papermaking wastewater treatment agent |
| CN104445501A (en) * | 2014-11-20 | 2015-03-25 | 镇江拜因诺生物科技有限公司 | Electroplating wastewater treatment agent |
| CN107140709A (en) * | 2017-04-28 | 2017-09-08 | 四川和鼎环保工程有限责任公司 | Purifying agent for polluted water and preparation method thereof |
| CN107117694A (en) * | 2017-05-14 | 2017-09-01 | 安徽泛亚环保科技有限公司 | A kind of purification of waste water special agent and its production method |
| CN108640204A (en) * | 2018-05-31 | 2018-10-12 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of efficient paper waste cleanser and preparation method thereof |
| CN114108356A (en) * | 2021-10-21 | 2022-03-01 | 江苏理文造纸有限公司 | Papermaking white water anion garbage recycling process |
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Application publication date: 20130313 |