CN104876278A - Atomization preparation method of potassium ferrate - Google Patents
Atomization preparation method of potassium ferrate Download PDFInfo
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- CN104876278A CN104876278A CN201510235102.6A CN201510235102A CN104876278A CN 104876278 A CN104876278 A CN 104876278A CN 201510235102 A CN201510235102 A CN 201510235102A CN 104876278 A CN104876278 A CN 104876278A
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- Prior art keywords
- potassium
- potassium ferrate
- solution
- preparation
- ferrate
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Links
- UMPKMCDVBZFQOK-UHFFFAOYSA-N potassium;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[K+].[Fe+3] UMPKMCDVBZFQOK-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 238000000889 atomisation Methods 0.000 title claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical class [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000002505 iron Chemical class 0.000 claims abstract description 11
- 239000012266 salt solution Substances 0.000 claims abstract description 11
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000460 chlorine Substances 0.000 claims abstract description 8
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 8
- 239000013078 crystal Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 claims description 9
- 239000000706 filtrate Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000967 suction filtration Methods 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000000376 reactant Substances 0.000 abstract description 2
- 239000012467 final product Substances 0.000 description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000012047 saturated solution Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009279 wet oxidation reaction Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000004159 Potassium persulphate Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 235000019394 potassium persulphate Nutrition 0.000 description 1
- -1 purity is 99.2% Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
Abstract
The invention relates to the technical field of environment-friendly water treatment materials, particularly an atomization preparation method of potassium ferrate, which comprises the following steps: respectively atomizing an iron salt solution and a saturated potassium hypochlorite solution, introducing the atomized iron salt solution and saturated potassium hypochlorite solution into a high-pressure reactor together with chlorine, reacting at 5-35 DEG C to obtain a crystal, eluting and drying to obtain the potassium ferrate. The method has the advantages of simple raw material preparation and mild reaction conditions. Compared with the existing potassium ferrate preparation method, the method provided by the invention enhances the reaction efficiency and the product purity since the main reactants are in the atomization state in the preparation process. The purity of the obtained potassium ferrate is up to 99.0% above.
Description
Technical field
The present invention relates to environment protection material for water treatment technical field, more specifically, relate to a kind of atomization preparation method of potassium ferrate.
Background technology
Potassium ferrate has strong oxidizing property with it and is paid close attention to widely in water treatment field, in aqueous with high ferro acid group FeO
4 2-form exists, and has extremely strong oxidisability, and the redox potential under acidity and alkaline condition is respectively+2.20V and+0.72V.Potassium ferrate has collection and is oxidized, adsorbs, flocculates and helps the feature be condensated as a whole, and is mainly used in trade effluent and city domestic sewage process, also for drinking water disinfection, can kills the bacterium in water and virus fast.Due to potassium ferrate, not only result of use is good, and can not produce in application process and have harm to human body, is a kind of efficient and New Type Water Treatment Chemicals of non-secondary pollution, demonstrates good application prospect in water treatment.
Ferrate preparation method mainly comprises high-temperature melting method, electrolytic process and wet oxidation method; As long as high-temperature melting method utilizes oxygenant Potassium peroxide, sodium peroxide, Potassium Persulphate or saltpetre, simultaneously with iron or ferric oxide for source of iron, and potassium ferrate is generated with melt and dissolved state reaction under hot conditions more than 500 DEG C, CNl769186A, US4385045, US4551326, US4545974, US20050253171 and US20100151049 patent have employed the method, but this process reaction is uneven, whole experimentation needs to pass into nitrogen protection always, and mixture separation is difficult; Electrolytic process uses nickel plate and iron plate respectively as negative electrode and anode, using the electrolytic solution of concentrated base as reaction, carries out electrolysis.On the iron plate as reaction anode, Fe and Fe
3+be oxidized to FeO
4 2-, finally containing FeO
4 2-anodic dissolution in add concentrated base KOH, namely have K
2feO
4crystal is separated out, the patent such as patent US4451338, US4435257, US4435256, US7045051, US20030159942, CN1488782A, CNl740398A, CN1900365ACN101187028A, CN101525754A, CN101713078A, 102560522A and CN103663563A have employed the method, but this method energy consumption is large, on-the-spot running cost is high, technique prepares productive rate and product purity is stable all not, and the by product produced in experimentation is more; Wet oxidation method is in basic solution, add clorox (potassium) solution, fully after mixing, then adds source of iron, just has Na2Fe04 to generate in the solution, finally add potassium hydroxide solution, obtained potassium ferrate.Patent CN1329182A, CN1613778A, CNl749166A, CN1301912C, CN101117240A, CN101318707A, CN101503216A, CN101597087A, CN101955230B, CN102161513B, CN102701286A, CN103193275A, CN103265084A, CN103145189A, US20020121482, US20020155044, US20030146169, US20090120802, US20110036725Al, the patents such as US20120175314Al have employed the method.Patent US5746994 have employed single persulphate (HSO
5 -) Oxidation of Fe
3+prepare ferrate, but single persulphate source lacks.Wet-layer preparation potassium ferrate is a kind of widely used method.Complicated technical process allows wet-layer preparation ferrate have strict requirement to processing condition; , also there is reaction process comparatively violent, the shortcomings such as prepared using is insufficient in the preparation hypochlorite process that in experimentation, the transformation efficiency of source of iron is high and not traditional yet.
Summary of the invention
The technical problem of the present invention's solution used is the above-mentioned defect overcoming prior art existence, provides a kind of atomization preparation method of new potassium ferrate.
Second object of the present invention is to provide the potassium ferrate that aforesaid method prepares.
The object of the invention is to be achieved by the following technical programs:
An atomization preparation method for potassium ferrate, is atomized iron salt solutions and saturated potassium hypochlorite solution respectively, and passes into together with chlorine in high-pressure reactor, at the crystal that 5 ~ 35 DEG C are obtained by reacting, after drip washing, drying, obtain potassium ferrate; Described iron salt solutions is iron nitrate solution, ferric chloride Solution and ferric sulfate.
The preparation of potassium ferrate normally in the basic conditions, by hypochlorite oxidation's ferric iron; The present invention is under the prerequisite following mentioned above principle simultaneously, thering is provided a kind of atomization to prepare the method for potassium ferrate, is, after iron salt solutions and saturated potassium hypochlorite solution being atomized respectively by spraying gun, passing into chlorine and react, reaction conditions is gentle, and reaction efficiency, product purity improve greatly.
Applicant is found by research, and prepare in the process of potassium ferrate in atomization, potassium hypochlorite solution must be saturated, and now potassium ferrate productive rate and purity are all higher.
Preferably, described saturated potassium hypochlorite solution is obtained by following steps: S1. adds Losantin in potassium hydroxide solution, and suction filtration after reaction also retains filtrate; S2. in filtrate, add the potassium hydroxide solution described in S1 of equivalent, obtain saturated potassium hypochlorite solution.
Preferably, when iron salt solutions is also saturated solution.
Further, when being iron nitrate when selecting iron salt solutions, the purity of the potassium ferrate prepared and productive rate are all higher.
Preferably, described in S1, the concentration of potassium hydroxide is not less than 14M, and the amount that often liter of potassium hydroxide adds Losantin is 500 ~ 700g.
Particularly, the concentration of potassium hydroxide described in S1 is 12 ~ 16M.
In the preparation method of the above-mentioned potassium ferrate of the present invention, described suction filtration is that use 800 ~ 1500 object filter cloth carries out; Described crystal uses normal hexane, anhydrous methanol drip washing respectively, after under the environment of 65 ~ 75 DEG C vacuum-drying 3 ~ 5 hours obtain potassium ferrate.
Compared with prior art, the present invention has following beneficial effect:
The invention provides a kind of atomization preparation method of potassium ferrate, that the raw material preparing potassium ferrate is first atomized, after under the existence of chlorine reaction under high pressure obtain, the preparation of the method raw material is simple, reaction conditions is gentle, compared with the preparation method of existing potassium ferrate, because in preparation process, main reactant is in atomizing state, while improve reaction efficiency, also improve the purity of product; Preparation-obtained potassium ferrate purity reaches more than 99.0%.
Embodiment
Below by embodiment, the present invention is specifically described further.If following used experimental technique is without specified otherwise, be the method for the existing routine of the art, the batching used or material, if no special instructions, be by the available batching of commercial sources or material; The present invention should not be limited to scope of embodiments.
embodiment 1
The preparation of the present embodiment potassium ferrate comprises the following steps:
S1. compound concentration is the KOH solution of 14mol/L, adds 550g Losantin solid according to often liter; Use 800 object filter cloth suction filterings after abundant reaction, retain filtrate;
S2. in filtrate, add the KOH solution of equal-volume 14mol/L, obtain saturated potassium hypochlorite solution;
S3. 150g nitric hydrate iron is added in often liter of deionized water solution at normal temperatures, and even by magnetic stirrer, obtain saturated iron nitrate solution;
S4. the two kinds of saturated solution jet flow type atomizers obtained by S2 and S3 are atomized respectively, and import in high-pressure reactor, and also imported in high-pressure reactor by chlorine, temperature of reactor keeps 20 DEG C, 90min, obtains potassium ferrate xln simultaneously;
S5. use normal hexane and anhydrous methanol drip washing potassium ferrate crystal 5 times respectively, and under the environment of 65 DEG C, vacuum-drying 3 hours, obtains final product potassium ferrate, purity is 99.2%, and product decomposition of 30d when normal temperature keeps in Dark Place is less than 0.3%.
embodiment 2
The preparation of the present embodiment potassium ferrate comprises the following steps:
S1. compound concentration is the KOH solution of 15mol/L, adds 600g Losantin solid according to often liter; Use 1000 object filter cloth suction filterings after abundant reaction, retain filtrate;
S2. in filtrate, add the KOH solution of equal-volume 15mol/L, obtain saturated potassium hypochlorite solution;
S3. 160g nitric hydrate iron is added in often liter of deionized water solution at normal temperatures, and even by magnetic stirrer, obtain saturated iron nitrate solution;
S4. be atomized respectively by two kinds of saturated solution nonionic spraying guns, and import in high-pressure reactor, also imported in high-pressure reactor by chlorine, temperature of reactor keeps 25 DEG C, 90min, obtains potassium ferrate xln simultaneously;
S5. use normal hexane and anhydrous methanol drip washing potassium ferrate crystal 4 times respectively, and under the environment of 70 DEG C, vacuum-drying 3.5 hours, obtains final product potassium ferrate, purity is 99.4%.
comparative example 1
Experimental technique is with embodiment 1, uniquely unlike, potassium hypochlorite solution used is not saturated solution, final product potassium ferrate is detected, result shows: reaction times 90min, and the potassium ferrate of generation is little, in few potassium ferrate, potassium ferrate purity is only 78%, and product decomposition of 30d when normal temperature keeps in Dark Place is greater than 5%.
comparative example 2
Experimental technique with embodiment 1, uniquely unlike, replace iron nitrate with iron(ic) chloride, final product potassium ferrate detected, result show: reaction times 90min, purity is 97.7%.
Experimental technique with embodiment 1, uniquely unlike, replace iron nitrate with ferric sulfate, final product potassium ferrate detected, result show: reaction times 90min, purity is 92.4%.
comparative example 3
Experimental technique with embodiment 1, uniquely unlike, iron nitrate solution used is not saturated solution, detects final product potassium ferrate, result show: reaction times 90min, purity is 83.6%.
comparative example 4
Experimental technique with embodiment 1, uniquely unlike, potassium hypochlorite solution used and iron nitrate solution are not all saturated solution, detect final product potassium ferrate, result show: reaction times 90min, almost can not generate potassium ferrate.
comparative example 5
Experimental technique with embodiment 1, uniquely unlike, do not pass into chlorine in high-pressure reactor, final product potassium ferrate detected, result show: reaction times 90min, purity is 89.1%.
comparative example 6
Experimental technique with embodiment 1, uniquely unlike, pass into O in high-pressure reactor
3, detect final product potassium ferrate, result shows: reaction times 90min, purity 85.7%.
Claims (6)
1. an atomization preparation method for potassium ferrate, is characterized in that, iron salt solutions and saturated potassium hypochlorite solution is atomized respectively, and passes into together with chlorine in high-pressure reactor, at the crystal that 5 ~ 35 DEG C are obtained by reacting, after drip washing, drying, obtain potassium ferrate; Described iron salt solutions is iron nitrate solution, ferric chloride Solution and ferrum sulfuricum oxydatum solutum.
2. atomization preparation method according to claim 1, is characterized in that, described iron salt solutions is saturated iron salt solutions.
3. atomization preparation method according to claim 1, is characterized in that, described saturated potassium hypochlorite solution is obtained by following steps: S1. adds Losantin in potassium hydroxide solution, and suction filtration after reaction also retains filtrate; S2. in filtrate, add the potassium hydroxide solution described in S1 of equivalent, obtain saturated potassium hypochlorite solution.
4. atomization preparation method according to claim 3, is characterized in that, described in S1, the concentration of potassium hydroxide is not less than 14M, and the amount that often liter of potassium hydroxide adds Losantin is 500 ~ 700g.
5. the atomization preparation method according to any one of Claims 1-4, is characterized in that, described crystal uses normal hexane, anhydrous methanol drip washing respectively, after under the environment of 65 ~ 75 DEG C vacuum-drying 3 ~ 5 hours obtain potassium ferrate.
6. the atomization preparation method according to any one of Claims 1-4, is characterized in that, described suction filtration is that use 800 ~ 1500 object filter cloth carries out.
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| CN201510235102.6A CN104876278B (en) | 2015-05-11 | 2015-05-11 | Method is prepared in the atomization of a kind of potassium ferrate |
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| CN201510235102.6A CN104876278B (en) | 2015-05-11 | 2015-05-11 | Method is prepared in the atomization of a kind of potassium ferrate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923735A (en) * | 2016-06-02 | 2016-09-07 | 南京大学 | Compound water treatment agent based on ferrate and preparation method of compound water treatment agent |
| CN112079393A (en) * | 2020-09-25 | 2020-12-15 | 常熟理工学院 | Method for preparing potassium ferrate by using low-temperature plasma technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451338A (en) * | 1981-03-23 | 1984-05-29 | Olin Corporation | Process for making a calcium/sodium ferrate adduct by the electrochemical formation of sodium ferrate |
| CN101117240A (en) * | 2007-07-07 | 2008-02-06 | 黄山学院 | Preparation method of solid potassium ferrate |
| CN101597087A (en) * | 2008-06-05 | 2009-12-09 | 张亮 | A kind of drinking water treatment agent---the quick synthesis method of potassium ferrate |
| CN103663563A (en) * | 2012-09-22 | 2014-03-26 | 金华弗兰德环保科技有限公司 | Preparation method of potassium ferrate |
-
2015
- 2015-05-11 CN CN201510235102.6A patent/CN104876278B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451338A (en) * | 1981-03-23 | 1984-05-29 | Olin Corporation | Process for making a calcium/sodium ferrate adduct by the electrochemical formation of sodium ferrate |
| CN101117240A (en) * | 2007-07-07 | 2008-02-06 | 黄山学院 | Preparation method of solid potassium ferrate |
| CN101597087A (en) * | 2008-06-05 | 2009-12-09 | 张亮 | A kind of drinking water treatment agent---the quick synthesis method of potassium ferrate |
| CN103663563A (en) * | 2012-09-22 | 2014-03-26 | 金华弗兰德环保科技有限公司 | Preparation method of potassium ferrate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923735A (en) * | 2016-06-02 | 2016-09-07 | 南京大学 | Compound water treatment agent based on ferrate and preparation method of compound water treatment agent |
| CN105923735B (en) * | 2016-06-02 | 2018-11-13 | 南京大学 | A kind of composite water treatment medicament and preparation method thereof based on ferrate |
| CN112079393A (en) * | 2020-09-25 | 2020-12-15 | 常熟理工学院 | Method for preparing potassium ferrate by using low-temperature plasma technology |
| CN112079393B (en) * | 2020-09-25 | 2022-06-14 | 常熟理工学院 | Method for preparing potassium ferrate by using low-temperature plasma technology |
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| CN104876278B (en) | 2016-11-23 |
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