CN102409329A - Phosphorus-free, fluorine-free and heavy metal-free phosphorus replacement agent and preparation method thereof - Google Patents
Phosphorus-free, fluorine-free and heavy metal-free phosphorus replacement agent and preparation method thereof Download PDFInfo
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- CN102409329A CN102409329A CN2011102794365A CN201110279436A CN102409329A CN 102409329 A CN102409329 A CN 102409329A CN 2011102794365 A CN2011102794365 A CN 2011102794365A CN 201110279436 A CN201110279436 A CN 201110279436A CN 102409329 A CN102409329 A CN 102409329A
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 41
- 239000011574 phosphorus Substances 0.000 title claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000654 additive Substances 0.000 claims abstract description 18
- 230000000996 additive effect Effects 0.000 claims abstract description 18
- 239000003513 alkali Substances 0.000 claims abstract description 18
- 239000008399 tap water Substances 0.000 claims abstract description 18
- 235000020679 tap water Nutrition 0.000 claims abstract description 18
- 239000000047 product Substances 0.000 claims abstract description 17
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 16
- 150000003839 salts Chemical class 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000000706 filtrate Substances 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- LXAHHHIGZXPRKQ-UHFFFAOYSA-N 5-fluoro-2-methylpyridine Chemical compound CC1=CC=C(F)C=N1 LXAHHHIGZXPRKQ-UHFFFAOYSA-N 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- -1 Sunmorl N 60S Chemical compound 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 abstract description 4
- 239000011737 fluorine Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 239000002910 solid waste Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000012851 eutrophication Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 241000192700 Cyanobacteria Species 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 206010042434 Sudden death Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
A phosphorus-free, fluorine-free and heavy metal-free phosphorus substitute and a preparation method thereof are disclosed, which are prepared from the following raw materials in percentage by weight: 1-28% of salt, 1-15% of acid, 1-15% of alkali, 0.1-5% of additive, 0.1-9% of shielding agent and the balance of tap water; the preparation method comprises the following steps: preparing materials a, preparing a shielding agent b, preparing an additive c, adding the balance of tap water of the prepared product d into a plastic reaction kettle, heating and cooling, adding the balance of acid, adding alkali to adjust the pH value to 4-6, adding the additive e, adding the shielding agent f, and filtering to obtain a filtrate product. Because the invention adopts the raw materials without phosphorus, fluorine and heavy metal, the wastewater generated in the production and use processes does not contain pollutants such as phosphorus, fluorine, heavy metal and the like, does not need purification treatment, can be directly discharged, and does not have dangerous solid wastes, thereby not polluting the environment, not causing harm to human body, not only saving a large amount of pollution discharge cost, but also being beneficial to protecting the ecological environment; when the phosphorus substitute is used, a film is formed on the surface of a product uniformly, compactly and continuously, the adhesion force is good, the corrosion resistance is strong, and the phosphorus substitute can completely replace a phosphating agent.
Description
Technical field
The present invention relates to a kind of without phosphorus floride-free heavy metal free for phosphorus agent and preparation method thereof, belong to chemical treatment method field, metallic surface.
Background technology
The phosphorization treatment process technology is widely used in fields such as automotive industry, mechanical industry, household electrical appliance, shipbuilding industry, aircraft industry, weaponry manufacturing.Phosphorization technology was obtained many new achievements modern age through 100 years of development.Particularly since the reform and opening-up, along with the fast development of hardware industry, household electrical appliance and automotive industry, phosphating process is able to widen widely in its industrial application, makes it become indispensable important process technology such as iron and steel processing, anticorrosion, decoration; According on 01 26th, 2009 Chinese steel iron phosphatising agent industrial research and market forecast newspaper: the phosphorization agent output value was 21,192,400,000,000 yuan in 2006, and the phosphorization agent output value was 25,730,600,000,000 yuan in 2007, and the phosphorization agent output value was 30,067,000,000,000 yuan in 2008.
The severe contamination of environment, the excessive exploitation of resource has made human survival be on the hazard.Belonging to the high pollution industry as the metal phosphorizing industry of an important ring in the industrial chain faces the challenge especially; Because phosphorization product is to be the basis with phosphoric acid, phosphoric acid salt; Add heavy metallic salts such as containing zinc, nickel, copper, manganese, chromium and contain villiaumite formulated as additive; According to the phosphating process characteristic; Objectionable constituent such as not only phosphorous in the phosphorized waste water, fluorine, zinc, nickel, copper, manganese, chromium, but also can produce a large amount of phosphorus-containing waste slags;
The discharging of a large amount of phosphorus-containing wastewaters flows into lake and ocean, and the body eutrophication that has caused phosphorus in the water body to exceed standard causing is more and more serious.According to the data that lake survey obtained of country's tissue, in the seventies in 20th century, the lake eutrophication in the whole nation about 27%; In the later stage eighties, the lake of eutrophication is to 61%; In the later stage nineties, 85% lake eutrophication is arranged.Estimate that in view of the above not only the lake eutrophication area increases at present, nationwide eutrophication disaster also forms; After the fresh water eutrophication, Shui Hua ﹙ Lan Zao ﹚ will frequently occur, and area spreads year by year, and the time length prolongs year by year.In the last few years, Taihu Lake, Dian Chi, Chaohu, Hongchehu Lake etc. all had wawter bloom to occur, even the mobile river, as wawter bloom also having occurred in maximum tributary, the Changjiang river-river, Hankow, downstream, Han River section.
June 5 was World Environment Day, but at eve World Environment Day, the Wuxi City, Jiangsu Province is public drinking-water crisis because of the Taihu Lake blue-green algae causes, and lets millions of masses' life receive serious interference overnight; Taihu Lake basin is one of national most economically developed area, comprises big and medium-sized cities such as Shanghai and Nanjing, Hangzhou, Suzhou, Wuxi, 1/8th to 1st/7th of gross domestic product, and Taihu Lake basin is created.Yet what come along with Economic development is that Taihu Lake is contaminated.Nearly 3,200,000,000 tons of TAI HU AREA wastewater discharge, nearly 80,000 tons of nitrogen, 5000 tons in phosphorus.Under certain temperature, the blue-green algae big area is breeding rapidly actively.When temperature, when water temperature changes, foul smell is distributed in blue-green algae meeting sudden death, rotten.The Taihu Lake that bluish waves are vast has in the past not only become the paradise of all kinds of algaes, and even more serious is that the drinking-water crisis will take place nearly hundred million populations of Taihu Lake basin.Therefore from the eighties in last century township and village enterprises be a dark horse the foreign capitals nineties carry out on a large scale get into, in these years, thousands of contaminating enterprises are littoral the gathering in Taihu Lake.Although Taihu Lake is administered and never to be rested, the speed of administering is unable to catch up with the speed polluted eventually.Current Wuxi water crisis, the once revenge in Taihu Lake after the chronic pollution just.
The control of eutrophication is that water pollutes problem the most complicated with difficult in the processing, and it is highly difficult that nutritive substance is removed, and also has no single biology, chemistry and physical measure can thoroughly remove the nitrogen of waste water, phosphorus nutrition material so far.Common secondary biochemical treatment can only be removed nitrogen, the phosphorus of 30-50%.Before more than 10 year, Dian Chi, Yunnan blue algae bloom.Although a large amount of man power and materials have been dropped in Yunnan on blue-green algae is administered in recent years, regulation effect is still undesirable.According to the experience in external improvement lake, a lake is contaminated, if 10 years left and right sides time, and to return to contaminated preceding water quality, and want decades at least, and the improvement cost of cost, hundreds and thousands of especially hundred million fund.
Summary of the invention
In order to overcome the problem of environmental pollution that existing phosphorization agent exists, the purpose of this invention is to provide a kind of without phosphorus floride-free heavy metal free for the phosphorus agent, in order to replace phosphorization agent fully, avoid environment is polluted, reduce enterprise's pollution treatment expense; Another object of the present invention provides this preparation method for the phosphorus agent.
For solving its technical problem, the inventor is bold in innovation on the basis of existing phosphorization technology, through studying for a long period of time and testing, develop a kind of not only without phosphorus floride-free heavy metal free at last but can replace fully phosphorization agent for phosphorus agent and preparation method thereof; Without phosphorus floride-free heavy metal free according to the invention is processed by following raw materials by weight percent for the phosphorus agent: salt 1-28%, and sour 1-15%, alkali 1-15%, additive 0.1-5%, screener 0.1-9%, surplus is a tap water; Wherein said salt is: magnesium nitrate, Sunmorl N 60S, sodium wolframate and EDTA disodium; Said acid is: nitric acid and glucono-; Said alkali is sheet alkali; Said screener: by the EDTA disodium, glucono-and water self-control form said additive: by glucono-, sodium wolframate and water self-control form.
Without phosphorus floride-free heavy metal free according to the invention comprises the steps: for the preparation method of phosphorus agent
1, get the raw materials ready: get all the desired raw material ready: salt 1-28%, sour 1-15%, alkali 1-15%, additive 0.1-5%, screener 0.1-9%, surplus is a tap water;
2, preparation screener: the 1-20% that gets the tap water of institute's formulated product earlier adds in the stainless steel cauldron; Be heated to 60-80 ℃, the salt that slowly adds 1-6% dissolves, and cools off after dissolving finishes; And then slowly adding the acid of 0.1-5%, it is subsequent use that question response is accomplished postcooling;
3, additive preparation: the 1-18% that gets the tap water of institute's formulated product again adds in the stainless steel cauldron; Be heated to 70-90 ℃, slowly add the acid of 0.1-5%, slowly add the salt of 0.1-5% after dissolving finishes again; Constantly stir until dissolving fully, cool off subsequent use;
4, in the plastics reaction kettle, add the tap water that the product surplus is joined by institute, be heated to 50-60 ℃, the salt of adding surplus dissolves earlier, slowly adds the acid of surplus after the cooling again, adds alkali then and carries out pH value and adjust to 4-6;
5, the additive that step 3 is prepared joins in step 4 solution;
6, the screener that at last step 2 is configured joins in step 5 solution, and filters, and filtrates to be product;
7, be barreled, check, warehouse-in at last.
Compare with existing phosphorization agent product, the present invention has following characteristics and progress:
1, adopts the raw material of without phosphorus floride-free heavy metal free because of the present invention; Produce and use in pollutents such as not phosphorous, the fluorine of the waste water that produces and heavy metal, need not purifying treatment, can directly discharge; Therefore environment is not produced pollution; Human body is not produced injury, not only save a large amount of effluent charge, also help and preserve the ecological environment;
2, this is stable for tank liquor in the phosphorus agent production process, and life-time service does not produce the phosphatization waste residue, does not have dangerous solid waste;
3, this adopts normal-temperature operation in the phosphorus agent production process, can cut down the consumption of energy, and reduces exhaust gas emission;
The product surface film forming is even, fine and close, continuous when 4, originally using for the phosphorus agent, sticking power is good, antiseptic property is strong;
5, comprehensive cost of the present invention is lower than conventional phosphatizing technology, can reduce the enterprise production cost;
6, the technological process of production of the present invention is short, and is easy and simple to handle, can improve work efficiency.
Embodiment
Below in conjunction with embodiment the present invention is further specified:
Embodiment: without phosphorus floride-free heavy metal free comprises the steps: for the preparation method of phosphorus agent
A, get the raw materials ready: salt: magnesium nitrate 100 grams, Sunmorl N 60S 120 grams, sodium wolframate 12 grams, EDTA disodium 50 grams; Acid: nitric acid 60 grams, glucono-40 grams; Alkali: sheet alkali 10 grams;
B, preparation screener: 100 grams of getting tap water earlier add in the stainless steel cauldron; Be heated to 60-80 ℃, the EDTA disodium that slowly adds 50 grams dissolves, and cools off after dissolving finishes; And then slowly adding the glucono-of 20 grams, it is subsequent use that question response is accomplished postcooling;
C, additive preparation: 80 grams of getting tap water again add in the stainless steel cauldron, are heated to 70-90 ℃, slowly add 20 gram glucono-s, slowly add 12 gram sodium wolframates after dissolving finishes again, constantly stir until dissolving fully, cool off subsequent use;
D, in the plastics reaction kettle, add tap water 380 grams of surplus, be heated to 50-60 ℃, add 120 gram Sunmorl N 60Ss earlier and 100 gram magnesium nitrates dissolve, slowly add 60 gram nitric acid after the cooling again, add 10 gram sheet alkali then and carry out pH value adjustment 4-6;
E, the additive that step c is prepared join in the steps d solution;
F, the screener that at last step b is configured join in the step e solution, and filter, and filtrate to be product;
G, be barreled, check, warehouse-in at last.
Claims (5)
- A without phosphorus floride-free heavy metal free for the phosphorus agent, it is characterized in that: it is processed by following raw materials by weight percent: salt 1-28%, sour 1-15%, alkali 1-15%, additive 0.1-5%, screener 0.1-9%, surplus is a tap water.
- According to the said without phosphorus floride-free heavy metal free of claim 1 for the phosphorus agent, it is characterized in that said salt is: magnesium nitrate, Sunmorl N 60S, sodium wolframate and EDTA disodium; Said acid is: nitric acid and glucono-; Said alkali is sheet alkali.
- According to the said without phosphorus floride-free heavy metal free of claim 1 for the phosphorus agent, it is characterized in that: said screener is by the EDTA disodium, and self-control forms glucono-with water, and said additive is by glucono-, and sodium wolframate and water are made by oneself and formed.
- 4. the said without phosphorus floride-free heavy metal free of claim 1 is for the preparation method of phosphorus agent, and it is characterized in that: it comprises the steps:A, get the raw materials ready: get all the desired raw material ready: salt 1-28%, sour 1-15%, alkali 1-15%, additive 0.1-5%, screener 0.1-9%, surplus is a tap water;B, preparation screener: the 1-20% that gets the tap water of institute's formulated product earlier adds in the stainless steel cauldron; Be heated to 60-80 ℃, the salt that slowly adds 1-6% dissolves, and cools off after dissolving finishes; And then slowly adding the acid of 0.1-5%, it is subsequent use that question response is accomplished postcooling;C, additive preparation: the 1-18% that gets the tap water of institute's formulated product again adds in the stainless steel cauldron; Be heated to 70-90 ℃, slowly add the acid of 0.1-5%, slowly add the salt of 0.1-5% after dissolving finishes again; Constantly stir until dissolving fully, cool off subsequent use;D, in the plastics reaction kettle, add the tap water that the product surplus is joined by institute, be heated to 50-60 ℃, the salt of adding surplus dissolves earlier, slowly adds the acid of surplus after the cooling again, adds alkali then and carries out pH value and adjust to 4-6;E, the additive that step c is prepared join in the steps d solution;F, the screener that at last step b is configured join in the step e solution, and filter, and filtrate to be product;G, be barrelling, check, warehouse-in at last.
- 5. according to the preparation method of the said without phosphorus floride-free heavy metal free of claim 4, it is characterized in that for the phosphorus agent:It comprises the steps:A, get the raw materials ready: salt: magnesium nitrate 100 grams, Sunmorl N 60S 120 grams, sodium wolframate 12 grams, EDTA disodium 50 grams; Acid: nitric acid 60 grams, glucono-40 grams; Alkali: sheet alkali 10 grams;B, preparation screener: 100 grams of getting tap water earlier add in the stainless steel cauldron; Be heated to 60-80 ℃, the EDTA disodium that slowly adds 50 grams dissolves, and cools off after dissolving finishes; And then slowly adding the glucono-of 20 grams, it is subsequent use that question response is accomplished postcooling;C, additive preparation: 80 grams of getting tap water again add in the stainless steel cauldron, are heated to 70-90 ℃, slowly add 20 gram glucono-s, slowly add 12 gram sodium wolframates after dissolving finishes again, constantly stir until dissolving fully, cool off subsequent use;D, in the plastics reaction kettle, add tap water 380 grams of surplus, be heated to 50-60 ℃, add 120 gram Sunmorl N 60Ss earlier and 100 gram magnesium nitrates dissolve, slowly add 60 gram nitric acid after the cooling again, add 10 gram sheet alkali then and carry out pH value adjustment 4-6;E, the additive that step c is prepared join in the steps d solution;F, the screener that at last step b is configured join in the step e solution, and filter, and filtrate to be product;G, be barrelling, check, warehouse-in at last.
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| CN 201110279436 CN102409329B (en) | 2011-09-20 | 2011-09-20 | Phosphorus-free, fluorine-free and heavy metal-free phosphorus displacing agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110279436 CN102409329B (en) | 2011-09-20 | 2011-09-20 | Phosphorus-free, fluorine-free and heavy metal-free phosphorus displacing agent and preparation method thereof |
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| CN102409329B CN102409329B (en) | 2013-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831780A (en) * | 2021-01-04 | 2021-05-25 | 吴宪进 | Preparation method of phosphorus-free, fluorine-free and heavy metal-free phosphorus replacement agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016627A (en) * | 2007-02-06 | 2007-08-15 | 重庆大学 | Method of treating magnesium alloy work-piece surface |
| CN101608306A (en) * | 2008-06-18 | 2009-12-23 | 攀钢集团研究院有限公司 | The surface treatment method of a kind of passivating solution and zinc-plating material |
| CN101675182A (en) * | 2007-05-04 | 2010-03-17 | 埃科莱布有限公司 | Comprise the composition of hardness ions and gluconate and use their reduction corrosion and erosive methods |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016627A (en) * | 2007-02-06 | 2007-08-15 | 重庆大学 | Method of treating magnesium alloy work-piece surface |
| CN101675182A (en) * | 2007-05-04 | 2010-03-17 | 埃科莱布有限公司 | Comprise the composition of hardness ions and gluconate and use their reduction corrosion and erosive methods |
| CN101608306A (en) * | 2008-06-18 | 2009-12-23 | 攀钢集团研究院有限公司 | The surface treatment method of a kind of passivating solution and zinc-plating material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831780A (en) * | 2021-01-04 | 2021-05-25 | 吴宪进 | Preparation method of phosphorus-free, fluorine-free and heavy metal-free phosphorus replacement agent |
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