CN106186237A - Coagulant being applicable to dyeing and printing sewage and preparation method thereof - Google Patents
Coagulant being applicable to dyeing and printing sewage and preparation method thereof Download PDFInfo
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- CN106186237A CN106186237A CN201610735402.5A CN201610735402A CN106186237A CN 106186237 A CN106186237 A CN 106186237A CN 201610735402 A CN201610735402 A CN 201610735402A CN 106186237 A CN106186237 A CN 106186237A
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Abstract
The invention discloses a kind of coagulant being applicable to dyeing and printing sewage, be prepared by the raw materials in: aluminium polychlorid 15 20 parts, polyacrylamide 12 20 parts, coir fibre 5 10 parts, modification infusorial earth 8 14 parts, sodium laurylsulfate 6 10 parts, 6 12 parts of ferrous sulfate, industrial gelatine 38 parts, chitin 5 10 parts, sodium dihydrogen phosphate 49 parts, carborundum 25 parts, manganese dioxide 37 parts, vanadic anhydride 12 parts, heat stabilizer 48 parts, coupling agent 25 parts, flocculation aid 13 parts.The coagulant being applicable to dyeing and printing sewage being prepared from, its safety non-toxic, environment friendly and pollution-free, the slurry dyestuff can effectively removed in dyeing and printing sewage.Meanwhile, the preparation method of this coagulant being applicable to dyeing and printing sewage is also disclosed.
Description
Technical field
The present invention relates to waste water treating agent and manufacture field, particularly to the coagulant and the preparation thereof that are applicable to dyeing and printing sewage
Method.
Background technology
The continuous propelling built along with China's industrialization, it is the severeest that water pollutes situation.Water pollution control has become as works as
The problem of modern World Focusing, the emission request of trade effluent, country takes corresponding compulsory measure, controls so polluting for water
Reason, seeks a kind of effective sewage treatmentmethod, or sewage-treating agent, can reach discharge standard, be many after making sewage disposal
Multiple enterprises problem in urgent need to solve.In recent years, in water treatment field, the exploitation of inorganic agent relates to many aspects.Process
Agent is not only stable to the disposal ability of sewage, can effectively settle, flocculates, reduce harmful substance, simultaneously inorganic agent itself
Impact on water quality is also particularly important, it is impossible to water quality causes secondary pollution, and water quality is wanted nontoxic nothing by the inorganic agent of residual
Do harm to or along with the removal of pollutant consumes in the lump.In sewage disposal, the process of dyeing and printing sewage has some special things because of it
Matter, so its process technique is different from other kinds of sewage with in the selection of inorganic agent.Dyeing and printing sewage is that fabric is in print
The waste water produced during dye, mainly contains all kinds of spinning sizing agent dyestuff, chemical assistant etc., some of which slurry and dyestuff
High concentration mineral salt and organic compound content are the highest, particularly azo dye.Print so being now to develop a being applicable to
The sewage-treating agent of dye sewage disposal is particularly important.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of coagulant being applicable to dyeing and printing sewage and preparation method thereof,
By using specified raw material to be combined, coordinate corresponding production technology, the coagulant being applicable to dyeing and printing sewage obtained, its peace
Atoxic, environment friendly and pollution-free, the slurry dyestuff can effectively removed in dyeing and printing sewage, it is possible to meet the requirement of industry, have preferably
Application prospect.
The purpose of the present invention can be achieved through the following technical solutions:
It is applicable to the coagulant of dyeing and printing sewage, is prepared by the raw materials in: aluminium polychlorid 15-20 part, polyacrylamide
Amine 12-20 part, coir fibre 5-10 part, modification infusorial earth 8-14 part, sodium laurylsulfate 6-10 part, ferrous sulfate 6-12 part,
Industrial gelatine 3-8 part, chitin 5-10 part, sodium dihydrogen phosphate 4-9 part, carborundum 2-5 part, manganese dioxide 3-7 part, five oxidations two
Vanadium 1-2 part, heat stabilizer 4-8 part, coupling agent 2-5 part, flocculation aid 1-3 part.
Preferably, described heat stabilizer is selected from epoxy glyceride, Dythal, barium succinate, phosphorous acid
One or more in magnesium.
Preferably, described coupling agent selected from orthosilicic acid allyl ester, aminobenzyl phosphate, octyl group three isopropoxy stannum, double 16
One or more in alkylboronic acids isopropyl ester.
Preferably, one or more in sodium alginate, sodium silicate, sodium citrate, sodium salicylate of described flocculation aid.
The preparation method of the described coagulant being applicable to dyeing and printing sewage, comprises the following steps:
(1) each raw material is weighed according to weight portion；
(2) aluminium polychlorid, polyacrylamide, coir fibre, modification infusorial earth, sodium laurylsulfate, ferrous sulfate are added
Stirring in blender, pulverize, cross 300-400 mesh sieve, obtain the mixture that sieves, speed of agitator is 200-300 rev/min, stirring
Time is 15-25 minute；
(3) industrial gelatine, chitin, sodium dihydrogen phosphate, carborundum, manganese dioxide, vanadic anhydride, heat stabilizer are added
In the sodium bicarbonate solution of 0.5%, after being sufficiently stirred for, injecting reactor together, be filled with noble gas, reaction in furnace temperature is 85-
100 DEG C, react 20-30 minute, be cooled to room temperature, obtain stirring mixture；
(4) the stirring mixture of sieve mixture and the step (3) of step (2) is implanted sequentially banburying stove, mixing speed 200-
300 revs/min, reaction temperature is 60-70 DEG C, then sequentially adds coupling agent, flocculation aid, 15-30 minute response time, from
So it is cooled to 50 DEG C, obtains inorganic agent precursor；
(5) inorganic agent precursor being injected Ultrasonic Pulverization instrument, Ultrasonic Pulverization 10-20 minute, Ultrasonic Pulverization instrument power is 220-
250KW；
(6) crushed products step (5) cooled down sends into centrifugal granulating seed-coating machine, spinner velocity 100-150 rev/min, blower fan
Power is 11KW, gets product.
Preferably, the noble gas in described step (3) is carbon dioxide.
Compared with prior art, it has the beneficial effect that the present invention
(1) coagulant being applicable to dyeing and printing sewage of the present invention is with aluminium polychlorid, polyacrylamide, coir fibre, modified silicon
Diatomaceous earth, sodium laurylsulfate, ferrous sulfate are main component, by adding industrial gelatine, chitin, sodium dihydrogen phosphate, carbonization
Silicon, manganese dioxide, vanadic anhydride, heat stabilizer, coupling agent, flocculation aid, be aided with stirring sieve, noble gas reaction, mixing
The techniques such as banburying, Ultrasonic Pulverization, centrifugal granulating coating so that the coagulant being applicable to dyeing and printing sewage being prepared from, its safety
Nontoxic, environment friendly and pollution-free, the slurry dyestuff can effectively removed in dyeing and printing sewage, it is possible to meet the requirement of industry, has preferably
Application prospect.
(2) the coagulant raw material being applicable to dyeing and printing sewage of the present invention is cheap, technique simple, is suitable to heavy industrialization fortune
With, practical.
Detailed description of the invention
Below in conjunction with specific embodiment, the technical scheme of invention is described in detail.
Embodiment 1
(1) according to weight portion weigh aluminium polychlorid 15 parts, polyacrylamide 12 parts, coir fibre 5 parts, modification infusorial earth 8 parts,
Sodium laurylsulfate 6 parts, 6 parts of ferrous sulfate, industrial gelatine 3 parts, chitin 5 parts, sodium dihydrogen phosphate 4 parts, carborundum 2 parts, two
Manganese oxide 3 parts, vanadic anhydride 1 part, epoxy glyceride 4 parts, orthosilicic acid allyl ester 2 parts, sodium alginate 1 part；
(2) aluminium polychlorid, polyacrylamide, coir fibre, modification infusorial earth, sodium laurylsulfate, ferrous sulfate are added
Stirring in blender, pulverize, cross 300 mesh sieves, obtain the mixture that sieves, speed of agitator is 200 revs/min, and mixing time is 15
Minute；
(3) industrial gelatine, chitin, sodium dihydrogen phosphate, carborundum, manganese dioxide, vanadic anhydride, epoxy glyceride are added
In the sodium bicarbonate solution of 0.5%, after being sufficiently stirred for, inject reactor together, be filled with carbon dioxide, reaction in furnace temperature
It is 85 DEG C, reacts 20 minutes, be cooled to room temperature, obtain stirring mixture；
(4) the stirring mixture of sieve mixture and the step (3) of step (2) is implanted sequentially banburying stove, mixing speed 200
Rev/min, reaction temperature is 60 DEG C, then sequentially adds orthosilicic acid allyl ester, sodium alginate, 15 minutes response time, from
So it is cooled to 50 DEG C, obtains inorganic agent precursor；
(5) inorganic agent precursor being injected Ultrasonic Pulverization instrument, Ultrasonic Pulverization 10 minutes, Ultrasonic Pulverization instrument power is 220KW；
(6) crushed products step (5) cooled down sends into centrifugal granulating seed-coating machine, spinner velocity 100 revs/min, power of fan
For 11KW, get product.
The coagulant test result being applicable to dyeing and printing sewage prepared is as shown in table 1.
Embodiment 2
(1) aluminium polychlorid 17 parts, polyacrylamide 15 parts, coir fibre 7 parts, modification infusorial earth 10 are weighed according to weight portion
Part, sodium laurylsulfate 7 parts, 8 parts of ferrous sulfate, industrial gelatine 4 parts, chitin 6 parts, sodium dihydrogen phosphate 5 parts, carborundum 3 parts,
Manganese dioxide 4 parts, vanadic anhydride 1 part, Dythal 5 parts, aminobenzyl phosphate 3 parts, sodium silicate 2 parts；
(2) aluminium polychlorid, polyacrylamide, coir fibre, modification infusorial earth, sodium laurylsulfate, ferrous sulfate are added
Stirring in blender, pulverize, cross 300 mesh sieves, obtain the mixture that sieves, speed of agitator is 220 revs/min, and mixing time is 18
Minute；
(3) by industrial gelatine, chitin, sodium dihydrogen phosphate, carborundum, manganese dioxide, vanadic anhydride, dibasic O-phthalic
Lead plumbate adds in the sodium bicarbonate solution of 0.5%, after being sufficiently stirred for, injects reactor together, is filled with carbon dioxide, in stove
Reaction temperature is 90 DEG C, reacts 24 minutes, is cooled to room temperature, obtains stirring mixture；
(4) the stirring mixture of sieve mixture and the step (3) of step (2) is implanted sequentially banburying stove, mixing speed 220
Rev/min, reaction temperature is 63 DEG C, then sequentially adds aminobenzyl phosphate, sodium silicate, 20 minutes response time, the coldest
But to 50 DEG C, inorganic agent precursor is obtained；
(5) inorganic agent precursor being injected Ultrasonic Pulverization instrument, Ultrasonic Pulverization 14 minutes, Ultrasonic Pulverization instrument power is 230KW；
(6) crushed products step (5) cooled down sends into centrifugal granulating seed-coating machine, spinner velocity 120 revs/min, power of fan
For 11KW, get product.
The coagulant test result being applicable to dyeing and printing sewage prepared is as shown in table 1.
Embodiment 3
(1) aluminium polychlorid 18 parts, polyacrylamide 17 parts, coir fibre 9 parts, modification infusorial earth 12 are weighed according to weight portion
Part, sodium laurylsulfate 9 parts, 10 parts of ferrous sulfate, industrial gelatine 7 parts, chitin 9 parts, sodium dihydrogen phosphate 8 parts, carborundum 4
Part, manganese dioxide 6 parts, vanadic anhydride 2 parts, barium succinate 7 parts, 4 parts of octyl group three isopropoxy stannum, sodium citrate 2 parts；
(2) aluminium polychlorid, polyacrylamide, coir fibre, modification infusorial earth, sodium laurylsulfate, ferrous sulfate are added
Stirring in blender, pulverize, cross 400 mesh sieves, obtain the mixture that sieves, speed of agitator is 260 revs/min, and mixing time is 23
Minute；
(3) industrial gelatine, chitin, sodium dihydrogen phosphate, carborundum, manganese dioxide, vanadic anhydride, barium succinate are added
In the sodium bicarbonate solution of 0.5%, after being sufficiently stirred for, inject reactor together, be filled with carbon dioxide, reaction in furnace temperature
It is 95 DEG C, reacts 27 minutes, be cooled to room temperature, obtain stirring mixture；
(4) the stirring mixture of sieve mixture and the step (3) of step (2) is implanted sequentially banburying stove, mixing speed 260
Rev/min, reaction temperature is 66 DEG C, then sequentially adds octyl group three isopropoxy stannum, sodium citrate, response time 25 points
Clock, naturally cools to 50 DEG C, obtains inorganic agent precursor；
(5) inorganic agent precursor being injected Ultrasonic Pulverization instrument, Ultrasonic Pulverization 18 minutes, Ultrasonic Pulverization instrument power is 240KW；
(6) crushed products step (5) cooled down sends into centrifugal granulating seed-coating machine, spinner velocity 140 revs/min, power of fan
For 11KW, get product.
The coagulant test result being applicable to dyeing and printing sewage prepared is as shown in table 1.
Embodiment 4
(1) aluminium polychlorid 20 parts, polyacrylamide 20 parts, coir fibre 10 parts, modification infusorial earth 14 are weighed according to weight portion
Part, sodium laurylsulfate 10 parts, 12 parts of ferrous sulfate, industrial gelatine 8 parts, chitin 10 parts, sodium dihydrogen phosphate 9 parts, carborundum 5
Part, manganese dioxide 7 parts, vanadic anhydride 2 parts, 8 parts of phosphorous acid magnesium, isopropyl bishexadecyl borate 5 parts, sodium salicylate 3 parts；
(2) aluminium polychlorid, polyacrylamide, coir fibre, modification infusorial earth, sodium laurylsulfate, ferrous sulfate are added
Stirring in blender, pulverize, cross 400 mesh sieves, obtain the mixture that sieves, speed of agitator is 300 revs/min, and mixing time is 25
Minute；
(3) industrial gelatine, chitin, sodium dihydrogen phosphate, carborundum, manganese dioxide, vanadic anhydride, phosphorous acid magnesium are added
In the sodium bicarbonate solution of 0.5%, after being sufficiently stirred for, inject reactor together, be filled with carbon dioxide, reaction in furnace temperature
It is 100 DEG C, reacts 30 minutes, be cooled to room temperature, obtain stirring mixture；
(4) the stirring mixture of sieve mixture and the step (3) of step (2) is implanted sequentially banburying stove, mixing speed 300
Rev/min, reaction temperature is 70 DEG C, then sequentially adds isopropyl bishexadecyl borate, sodium salicylate, response time 30
Minute, naturally cool to 50 DEG C, obtain inorganic agent precursor；
(5) inorganic agent precursor being injected Ultrasonic Pulverization instrument, Ultrasonic Pulverization 20 minutes, Ultrasonic Pulverization instrument power is 250KW；
(6) crushed products step (5) cooled down sends into centrifugal granulating seed-coating machine, spinner velocity 150 revs/min, power of fan
For 11KW, get product.
The coagulant test result being applicable to dyeing and printing sewage prepared is as shown in table 1.
Comparative example 1
(1) aluminium polychlorid 15 parts, polyacrylamide 12 parts, modification infusorial earth 8 parts, sodium laurylsulfate are weighed according to weight portion
6 parts, 6 parts of ferrous sulfate, industrial gelatine 3 parts, chitin 5 parts, sodium dihydrogen phosphate 4 parts, manganese dioxide 3 parts, vanadic anhydride 1
Part, epoxy glyceride 4 parts, orthosilicic acid allyl ester 2 parts, sodium alginate 1 part；
(2) will aluminium polychlorid, polyacrylamide, modification infusorial earth, sodium laurylsulfate, ferrous sulfate addition blender stir
Mixing, pulverize, cross 300 mesh sieves, obtain the mixture that sieves, speed of agitator is 200 revs/min, and mixing time is 15 minutes；
(3) industrial gelatine, chitin, sodium dihydrogen phosphate, manganese dioxide, vanadic anhydride, epoxy glyceride are added 0.5%
In sodium bicarbonate solution, after being sufficiently stirred for, injecting reactor together, be filled with carbon dioxide, reaction in furnace temperature is 85 DEG C,
React 20 minutes, be cooled to room temperature, obtain stirring mixture；
(4) the stirring mixture of sieve mixture and the step (3) of step (2) is implanted sequentially banburying stove, mixing speed 200
Rev/min, reaction temperature is 60 DEG C, then sequentially adds orthosilicic acid allyl ester, sodium alginate, 15 minutes response time, from
So it is cooled to 50 DEG C, obtains inorganic agent precursor；
(5) inorganic agent precursor being injected Ultrasonic Pulverization instrument, Ultrasonic Pulverization 10 minutes, Ultrasonic Pulverization instrument power is 220KW；
(6) crushed products step (5) cooled down sends into centrifugal granulating seed-coating machine, spinner velocity 100 revs/min, power of fan
For 11KW, get product.
The coagulant test result being applicable to dyeing and printing sewage prepared is as shown in table 1.
Comparative example 2
(1) aluminium polychlorid 20 parts, polyacrylamide 20 parts, coir fibre 10 parts, modification infusorial earth 14 are weighed according to weight portion
Part, 12 parts of ferrous sulfate, industrial gelatine 8 parts, chitin 10 parts, sodium dihydrogen phosphate 9 parts, carborundum 5 parts, vanadic anhydride 2 parts,
8 parts of phosphorous acid magnesium, isopropyl bishexadecyl borate 5 parts, sodium salicylate 3 parts；
(2) aluminium polychlorid, polyacrylamide, coir fibre, modification infusorial earth, ferrous sulfate are added stirring in blender,
Pulverizing, cross 400 mesh sieves, obtain the mixture that sieves, speed of agitator is 300 revs/min, and mixing time is 25 minutes；
(3) by industrial gelatine, chitin, sodium dihydrogen phosphate, carborundum, vanadic anhydride, the carbonic acid of phosphorous acid magnesium addition 0.5%
In hydrogen sodium solution, after being sufficiently stirred for, injecting reactor together, be filled with carbon dioxide, reaction in furnace temperature is 100 DEG C, instead
Answer 30 minutes, be cooled to room temperature, obtain stirring mixture；
(4) the stirring mixture of sieve mixture and the step (3) of step (2) is implanted sequentially banburying stove, mixing speed 300
Rev/min, reaction temperature is 70 DEG C, then sequentially adds isopropyl bishexadecyl borate, sodium salicylate, response time 30
Minute, naturally cool to 50 DEG C, obtain inorganic agent precursor；
(5) inorganic agent precursor being injected Ultrasonic Pulverization instrument, Ultrasonic Pulverization 20 minutes, Ultrasonic Pulverization instrument power is 250KW；
(6) crushed products step (5) cooled down sends into centrifugal granulating seed-coating machine, spinner velocity 150 revs/min, power of fan
For 11KW, get product.
The coagulant test result being applicable to dyeing and printing sewage prepared is as shown in table 1.
The coagulant being applicable to dyeing and printing sewage prepared of embodiment 1-4 and comparative example 1-2 is carried out chemical oxygen demand respectively
Amount, five-day BOD, water outlet pH value, these several performance tests of colourity.
Table 1
| COD (COD) | Five-day BOD (BOD) | Water outlet pH value | Colourity | |
| Embodiment 1 | 137.70 | 25.94 | 6.7 | 75 |
| Embodiment 2 | 131.58 | 25.16 | 6.8 | 72 |
| Embodiment 3 | 134.64 | 25.55 | 6.6 | 73 |
| Embodiment 4 | 136.68 | 25.35 | 6.9 | 76 |
| Comparative example 1 | 331.50 | 75.86 | 5.6 | 98 |
| Comparative example 2 | 325.38 | 78.39 | 4.8 | 103 |
The coagulant being applicable to dyeing and printing sewage of the present invention is with aluminium polychlorid, polyacrylamide, coir fibre, modified diatom
Soil, sodium laurylsulfate, ferrous sulfate are main component, by add industrial gelatine, chitin, sodium dihydrogen phosphate, carborundum,
Manganese dioxide, vanadic anhydride, heat stabilizer, coupling agent, flocculation aid, be aided with stirring sieve, noble gas reaction, mix close
The techniques such as refining, Ultrasonic Pulverization, centrifugal granulating coating so that the coagulant being applicable to dyeing and printing sewage being prepared from, its safe nothing
Malicious, environment friendly and pollution-free, the slurry dyestuff can effectively removed in dyeing and printing sewage, it is possible to meet the requirement of industry, preferably should have
Use prospect.The coagulant raw material being applicable to dyeing and printing sewage of the present invention is cheap, technique simple, is suitable to heavy industrialization and uses,
Practical.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology necks
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (6)
1. it is applicable to the coagulant of dyeing and printing sewage, it is characterised in that: it is prepared by the raw materials in: aluminium polychlorid 15-
20 parts, polyacrylamide 12-20 part, coir fibre 5-10 part, modification infusorial earth 8-14 part, sodium laurylsulfate 6-10 part, sulfur
Acid ferrous 6-12 part, industrial gelatine 3-8 part, chitin 5-10 part, sodium dihydrogen phosphate 4-9 part, carborundum 2-5 part, manganese dioxide
3-7 part, vanadic anhydride 1-2 part, heat stabilizer 4-8 part, coupling agent 2-5 part, flocculation aid 1-3 part.
The coagulant being applicable to dyeing and printing sewage the most according to claim 1, it is characterised in that: described heat stabilizer is selected from ring
One or more in oxygen glyceride, Dythal, barium succinate, phosphorous acid magnesium.
The coagulant being applicable to dyeing and printing sewage the most according to claim 1, it is characterised in that: described coupling agent is selected from former silicon
One or more in allyl propionate, aminobenzyl phosphate, octyl group three isopropoxy stannum, isopropyl bishexadecyl borate.
The coagulant being applicable to dyeing and printing sewage the most according to claim 1, it is characterised in that: described flocculation aid is selected from Sargassum
One or more in acid sodium, sodium silicate, sodium citrate, sodium salicylate.
5. according to the preparation method of the arbitrary described coagulant being applicable to dyeing and printing sewage of Claims 1 to 4, it is characterised in that
Comprise the following steps:
(1) each raw material is weighed according to weight portion；
(2) aluminium polychlorid, polyacrylamide, coir fibre, modification infusorial earth, sodium laurylsulfate, ferrous sulfate are added
Stirring in blender, pulverize, cross 300-400 mesh sieve, obtain the mixture that sieves, speed of agitator is 200-300 rev/min, stirring
Time is 15-25 minute；
(3) industrial gelatine, chitin, sodium dihydrogen phosphate, carborundum, manganese dioxide, vanadic anhydride, heat stabilizer are added
In the sodium bicarbonate solution of 0.5%, after being sufficiently stirred for, injecting reactor together, be filled with noble gas, reaction in furnace temperature is 85-
100 DEG C, react 20-30 minute, be cooled to room temperature, obtain stirring mixture；
(4) the stirring mixture of sieve mixture and the step (3) of step (2) is implanted sequentially banburying stove, mixing speed 200-
300 revs/min, reaction temperature is 60-70 DEG C, then sequentially adds coupling agent, flocculation aid, 15-30 minute response time, from
So it is cooled to 50 DEG C, obtains inorganic agent precursor；
(5) inorganic agent precursor being injected Ultrasonic Pulverization instrument, Ultrasonic Pulverization 10-20 minute, Ultrasonic Pulverization instrument power is 220-
250KW；
(6) crushed products step (5) cooled down sends into centrifugal granulating seed-coating machine, spinner velocity 100-150 rev/min, blower fan
Power is 11KW, gets product.
The preparation method of the coagulant being applicable to dyeing and printing sewage the most according to claim 5, it is characterised in that: described step
(3) noble gas in is carbon dioxide.
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Cited By (6)
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| CN106745389A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of dyeing and printing sewage treatment agent |
| CN106745388A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of dyeing and printing sewage treatment agent and preparation method thereof |
| CN106830361A (en) * | 2017-02-27 | 2017-06-13 | 苏州顶裕节能设备有限公司 | A kind of municipal sewage flocculant of modified environment-friendly and preparation method thereof |
| CN106904708A (en) * | 2017-03-21 | 2017-06-30 | 苏州顶裕节能设备有限公司 | A kind of inorganic agent for dyeing and printing sewage and preparation method thereof |
| CN106927520A (en) * | 2017-03-22 | 2017-07-07 | 苏州顶裕节能设备有限公司 | A kind of inorganic agent for papermaking wastewater and preparation method thereof |
| EP4098342A4 (en) * | 2020-01-31 | 2023-10-11 | Kao Corporation | Water treatment agent |
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| CN106745388A (en) * | 2016-12-27 | 2017-05-31 | 郑州源冉生物技术有限公司 | A kind of dyeing and printing sewage treatment agent and preparation method thereof |
| CN106830361A (en) * | 2017-02-27 | 2017-06-13 | 苏州顶裕节能设备有限公司 | A kind of municipal sewage flocculant of modified environment-friendly and preparation method thereof |
| CN106904708A (en) * | 2017-03-21 | 2017-06-30 | 苏州顶裕节能设备有限公司 | A kind of inorganic agent for dyeing and printing sewage and preparation method thereof |
| CN106927520A (en) * | 2017-03-22 | 2017-07-07 | 苏州顶裕节能设备有限公司 | A kind of inorganic agent for papermaking wastewater and preparation method thereof |
| EP4098342A4 (en) * | 2020-01-31 | 2023-10-11 | Kao Corporation | Water treatment agent |
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Application publication date: 20161207 |