CN109354264A - A kind of minimizing technology of sulfur-bearing organic wastewater foul odour - Google Patents
A kind of minimizing technology of sulfur-bearing organic wastewater foul odour Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
Abstract
The present invention relates to technical field of waste water processing, disclose a kind of minimizing technology of sulfur-bearing organic wastewater foul odour, the following steps are included: the pH of sulfur-bearing organic wastewater is adjusted to acidity by (1), metal salt and hydrogen peroxide is added, advanced oxidation processing is carried out to sulfur-bearing organic wastewater, obtains treatment fluid I；(2) pH for the treatment of fluid I is adjusted to 10 or more, stirring carries out alkaline hydrolysis；(3) it after alkaline hydrolysis, is separated by solid-liquid separation by filtering, obtains filter residue and treatment fluid II, carry out subsequent processing after adjusting the pH for the treatment of fluid II；(4) filter residue is added in acid solution, stirs, obtains hydrogen sulfide gas and treatment fluid III；Treatment fluid III is back to the pH that sulfur-bearing organic wastewater is adjusted in step (1) and supplement metal ion；(5) hydrogen sulfide gas is absorbed using lye, obtains sulphurizing salt.The processing method can not only handle with high salt, high sulfur-bearing, high-concentration organic substance wastewater, and sulphur can also be carried out resource utilization utilization.
Description
Technical field
The present invention relates to technical field of waste water processing more particularly to a kind of removal sides of sulfur-bearing organic wastewater foul odour
Method.
Background technique
In a broad sense, it distributes the gas for cutting with larger stink in an atmosphere and is referred to as foul odour, especially sulfur-bearing
Stink, the psychology of these foul gas intense stimulus people, causes to be poisoned when serious, is pollution environment, seven to be detrimental to health
One of big public hazards, in order to reduce harm of the foul gas to the mankind, it is necessary to reinforce administering.
Odorant can fall into 5 types according to its composition: sulfur-containing compound, nitrogenous compound, halogen and derivative, hydro carbons and
Oxygen containing organic matter.The removing of stench is different from general atmosphere pollution control, this is the generation, distribution and physics by foul gas
What chemical property determined.The removal methods of stench mainly have: washing, activated carbon adsorption, burning, condensation, medical fluid cleaning, biology drop
Solution, photodegradation, ozone oxidation and plasma decomposition etc..
Biological eliminating foul gas is that odorlessization, a kind of innoxious processing skill are allowed to using microbial degradation odorant
Art has many advantages, such as that deodorization efficiency is high, device is simple, low in cost, operation and maintenance are convenient, is widely used in low concentration effluvium
The processing of taste；Washing, activated carbon adsorption, medical fluid cleaning etc. only shift pollutant, and thoroughly degradation, is not easy to produce secondary
Pollution；Odorant can be completely decomposed into odorless substance by burning, photodegradation, ozone oxidation, plasma etc., but be easy to produce
Raw secondary pollution, and investment and operating cost are high.
The Chinese patent literature of the Publication No. CN106362565A of upper h?fele Pharmaceutical Technology Co., Ltd application discloses
Tail gas containing dimethyl sulphide is passed through and the gas washing of oxidant is added fills by a kind of device for absorbing tail gas and method containing dimethyl sulphide
In setting, by oxidizing degradation odorant, using oxidizing, oxidant non-selectivity is more suitable for the patent
The occasion that concentration is low, organic substance is single, and clean manufacturing is not implemented, there are degradations to be not thorough, and leads to the problem of secondary pollution.
The Chinese patent literature of the Publication No. CN104944699A of Yangzhou University's application discloses a kind of grease factory waste water
The minimizing technology of foul odour substance is removed foul odour substance using biodegradable method, the patent the method without
Method is used for containing with high salt, high organic matter and there are the processing of the waste water of the big sulphur-containing substance of bio-toxicity.
Summary of the invention
The present invention provides a kind of minimizing technologies of sulfur-bearing organic wastewater foul odour, can not only handle with high salt, Gao Han
Sulphur, high-concentration organic substance wastewater, and sulphur can also be subjected to resource utilization utilization.
Specific technical solution is as follows:
A kind of minimizing technology of sulfur-bearing organic wastewater foul odour, comprising the following steps:
(1) pH of sulfur-bearing organic wastewater is adjusted to acidity, metal salt and hydrogen peroxide is added, sulfur-bearing organic wastewater is carried out
Advanced oxidation processing, obtains treatment fluid I；
(2) pH for the treatment of fluid I is adjusted to 10 or more, stirring carries out alkaline hydrolysis；
(3) it after alkaline hydrolysis, is separated by solid-liquid separation by filtering, obtains filter residue and treatment fluid II, after the pH for adjusting treatment fluid II
Carry out subsequent processing；
(4) filter residue is added in acid solution, stirs, obtains hydrogen sulfide gas and treatment fluid III；
Treatment fluid III is back to the pH that sulfur-bearing organic wastewater is adjusted in step (1) and supplement metal ion；
(5) hydrogen sulfide gas is absorbed using lye, obtains sulphurizing salt.
Processing method of the invention is especially suitable for the organic waste containing methyl sulfide and/or dimethyl disulfide sulfides
Water.
Processing method of the invention is served as theme with advanced oxidation-alkaline hydrolysis-absorption, by advanced oxidation to sulfur-bearing organic wastewater
In organic pollutant degrade；Thioether substance, which is decomposed, under strong alkaline condition generates sulphion, by alkaline hydrolysis by first
Sulphur in thioether and/or dimethyl disulfide is converted into sulphion, reacts with metal ion and generates metal vulcanization not soluble in water
Object, while metal ion generates metal hydroxides not soluble in water under alkaline condition, when alkaline hydrolysis, generate flocculation into one
Organic matter in step removal waste water；Filtrate and filter residue are obtained by filtration after alkaline hydrolysis, sulfide, foul odour are substantially free of in filtrate
Removed, subsequent processing can be carried out after adjusting pH, such as biochemical treatment etc., the main component of filter residue be metal sulfide and
Metal hydroxides obtains the acid solution of hydrogen sulfide gas and metal ion, the acid of metal ion after acid solution dissolves
Solution can reuse to step (1), and hydrogen sulfide gas obtains sulphurizing salt after lye absorbs, and realizes the resource utilization benefit of sulphur
With.
Preferably, in step (1), the pH to 3~5 of sulfur-bearing organic wastewater is adjusted；Using the quality of sulfur-bearing organic wastewater as base
Standard, is added 0.5~5 ‰ metal salt and 0.1~10% hydrogen peroxide, and the mass concentration of the hydrogen peroxide is 25~30%.
Further, the metal salt is one or more of soluble iron, copper, cobalt, manganese salt；It is organic with sulfur-bearing
On the basis of the quality of waste water, the additional amount of the metal salt is 0.1~2 ‰.
Preferably, in step (1), the temperature of oxidation processes is 40~70 DEG C.At such a temperature, the efficiency of oxidation processes compared with
Height, while can guarantee that oxidation preheating is sufficiently used for subsequent alkaline hydrolysis process.
The oxidation treatment method of step (1) be using metal salt as the oxidation treatment method of catalyst, such as: Fenton, light are urged
Change, electric Fenton, iron-carbon micro-electrolysis, wet oxidation, persulfate oxidation etc..
Alkaline hydrolysis is the committed step for removing foul odour in sulfur-bearing organic wastewater, when alkaline hydrolysis, needs accurately to control waste water
PH is to guarantee going on smoothly for alkaline hydrolysis process.
Preferably, in step (2), the pH for the treatment of fluid I is adjusted to 10~12；The alkaline hydrolysis time is 1~3h.
If pH value is too low, alkaline hydrolysis process cannot be gone on smoothly, and when pH value is excessively high will cause the waste of alkali, while unfavorable
In the subsequent processing for the treatment of fluid.
Preferably, in step (2), alkaline hydrolysis process carries out under the oxidation waste heat of step (1).Without for the secondary confession of alkaline hydrolysis
Heat saves the energy, reduces cost for wastewater treatment.
Preferably, it in step (3), is filtered by filter press, centrifuge or filter.
Preferably, in step (4), the acid solution is hydrochloric acid, sulfuric acid or nitric acid solution；Its mass concentration be 1~
10%.
When acid concentration is excessively high, reacts more violent, be easy to cause hydrogen sulfide absorption not in time, and degree of danger is high；And acid is dense
When spending low, the metal ion in solution concentration of recycling is low, increases the subsequent processing pressure of waste water.
Preferably, in step (5), hydrogen sulfide gas is absorbed using spray absorber, the mass concentration of the lye is 5~
20%.
It is further preferred that the lye is sodium hydrate aqueous solution.
After lye absorbs, obtain sodium sulfide solution, can reuse into production process.
Compared with prior art, the invention has the benefit that
Processing method of the invention can not only realize that the cleaning of waste water is administered, moreover it is possible to remove the foul odour substance of waste water
It removes, and is converted into sulfide and recycles into production, realize the recycling treatment of waste water, the processing method simple process,
Operating cost is low.
Specific embodiment
Waste water handled by following embodiment and comparative example is certain company's methyl sulfur bacterium panacen waste water, and COD concentration is
9000mg/L, methyl sulfide do not detect, and dimethyl disulfide concentration is 350mg/L, and foul odour is big.
Embodiment 1
(1) advanced oxidation: adjusting wastewater pH is 5, filtering, and on the basis of the quality of filtrate, 1 ‰ chlorine is added into filtrate
Change ferrous and 3% hydrogen peroxide (hydrogen peroxide concentration 27.5%), oxidation reaction 1 hour at 50 DEG C；
(2) alkaline hydrolysis: the pH for adjusting above-mentioned treatment fluid is 11, is stirred 3 hours at 50 DEG C；
(3) it is separated by solid-liquid separation: treatment fluid being realized through filter press after alkaline hydrolysis and is separated by solid-liquid separation, obtain iron hydroxide and iron sulfide
Mixture and treatment fluid, the COD concentration for the treatment of fluid are 4500mg/L, and methyl sulfide concentration is 0mg/L, dimethyl disulfide concentration
For 0mg/L, no foul smell；
(4) it dissolves: the mixture of iron hydroxide and iron sulfide being added in the hydrochloric acid solution that mass concentration is 10%, no
Disconnected stirring, generates the hydrochloric acid solution of hydrogen sulfide gas and iron chloride；
(5) it absorbing: hydrogen sulfide is passed through in absorption plant, absorbing liquid is the sodium hydroxide solution that mass concentration is 10%,
Obtain 13% or so sodium sulfide solution.
Embodiment 2
(1) advanced oxidation: adjusting wastewater pH is 5, filtering, and on the basis of the quality of filtrate, 1 ‰ chlorine is added into filtrate
Change ferrous and 5% hydrogen peroxide, oxidation reaction 1 hour at 50 DEG C；
(2) alkaline hydrolysis: the pH for adjusting above-mentioned treatment fluid is 11, is stirred 2 hours at 50 DEG C；
(3) it is separated by solid-liquid separation: treatment fluid being realized through filter press after alkaline hydrolysis and is separated by solid-liquid separation, obtain iron hydroxide and iron sulfide
Mixture and treatment fluid, the COD concentration for the treatment of fluid are 3150mg/L, and the concentration of methyl sulfide is 0.1mg/L, dimethyl disulfide
Concentration be 0.5mg/L, no foul smell；
(4) it dissolves: the mixture of iron hydroxide and iron sulfide being added in the hydrochloric acid solution that mass concentration is 10%, constantly
Stirring generates the hydrochloric acid solution of hydrogen sulfide gas and iron chloride；
(5) it absorbing: hydrogen sulfide is passed through in absorption plant, absorbing liquid is the sodium hydroxide solution that mass concentration is 10%,
Obtain 13% or so sodium sulfide solution.
Embodiment 3
(1) advanced oxidation: adjusting wastewater pH is 4, filtering, on the basis of the quality of filtrate, is added the five of 0.5 ‰ to filtrate
Brochanite and 3% hydrogen peroxide, oxidation reaction 1 hour at 50 DEG C；
(2) alkaline hydrolysis: the pH for adjusting above-mentioned treatment fluid is 11, is stirred 1 hour at 50 DEG C；
(3) it is separated by solid-liquid separation: treatment fluid being realized through filter press after alkaline hydrolysis and is separated by solid-liquid separation, obtain iron hydroxide and iron sulfide
Mixture and treatment fluid, COD 4150mg/L, methyl sulfide 0mg/L, dimethyl disulfide 0mg/L, no foul smell；
(4) it dissolves: the mixture of iron hydroxide and iron sulfide being added in 10% hydrochloric acid solution, be stirred continuously, generate
The hydrochloric acid solution of hydrogen sulfide gas and iron chloride；
(5) it absorbs: hydrogen sulfide is passed through in absorption plant, the sodium hydroxide solution that absorbing liquid is 10% obtains 13% left side
Right sodium sulfide solution.
Comparative example 1
Adjusting wastewater pH is 11, is stirred 1 hour at 50 DEG C, and COD concentration is 8850mg/L after reaction, and methyl sulfide concentration is
31mg/L (produced by dimethyl disulfide does not decompose completely), dimethyl disulfide concentration are 285mg/L, foul smelling smell.
By comparative example 1 it is found that needing first to carry out oxidation processes before alkaline hydrolysis, and from metal ion is during alkaline hydrolysis
To important function, lack the effect of oxidation processes and metal ion, alkaline hydrolysis can not carry out substantially, the COD and effluvium of waste water
Taste removal effect does not have substantially.
Comparative example 2
(1) advanced oxidation: adjusting wastewater pH is 4, filtering, and on the basis of the quality of filtrate, 1 ‰ chlorine is added into filtrate
Change ferrous and 3% hydrogen peroxide, oxidation reaction 1 hour at 50 DEG C；
(2) alkaline hydrolysis: the pH for adjusting above-mentioned treatment fluid is 8, is stirred 3 hours at 60 DEG C；
(3) it is separated by solid-liquid separation: treatment fluid being realized through filter press after alkaline hydrolysis and is separated by solid-liquid separation, iron hydroxide solid and place are obtained
Liquid is managed, COD concentration is 4500mg/L in treatment fluid, and methyl sulfide concentration is 0mg/L, and dimethyl disulfide concentration is 320mg/L, is disliked
Foul smell taste is big；
(4) dissolve: by iron hydroxide solid be added 10% hydrochloric acid solution in, be stirred continuously, generate hydrogen sulfide gas and
The hydrochloric acid solution of iron chloride；
(5) it absorbs: hydrogen sulfide is passed through in absorption plant, the sodium hydroxide solution that absorbing liquid is 10%, substantially without vulcanization
Sodium generates.
By comparative example 2 it is found that in step (2), the pH for the treatment of fluid is affected to alkaline hydrolysis effect, when pH value is lower, alkali
Solution preocess can not carry out substantially.
Technical solution of the present invention and beneficial effect is described in detail in embodiment described above, it should be understood that
Above is only a specific embodiment of the present invention, it is not intended to restrict the invention, it is all to be done in spirit of the invention
Any modification, supplementary, and equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of minimizing technology of sulfur-bearing organic wastewater foul odour, which comprises the following steps:
(1) pH of sulfur-bearing organic wastewater is adjusted to acidity, metal salt and hydrogen peroxide is added, sulfur-bearing organic wastewater carried out advanced
Oxidation processes obtain treatment fluid I；
(2) pH for the treatment of fluid I is adjusted to 10 or more, stirring carries out alkaline hydrolysis；
(3) it after alkaline hydrolysis, is separated by solid-liquid separation by filtering, obtains filter residue and treatment fluid II, carried out after adjusting the pH for the treatment of fluid II
Subsequent processing；
(4) filter residue is added in acid solution, stirs, obtains hydrogen sulfide gas and treatment fluid III；
Treatment fluid III is back to the pH that sulfur-bearing organic wastewater is adjusted in step (1) and supplement metal ion；
(5) hydrogen sulfide gas is absorbed using lye, obtains sulphurizing salt.
2. the minimizing technology of sulfur-bearing organic wastewater foul odour according to claim 1, which is characterized in that in step (1),
Adjust the pH to 3~5 of sulfur-bearing organic wastewater；On the basis of the quality of sulfur-bearing organic wastewater, be added 0.5~5 ‰ metal salt and
0.1~10% hydrogen peroxide, the mass concentration of the hydrogen peroxide are 25~30%.
3. the minimizing technology of sulfur-bearing organic wastewater foul odour according to claim 2, which is characterized in that the metal
Salt is one or more of soluble iron, copper, cobalt, manganese salt；On the basis of the quality of sulfur-bearing organic wastewater, the metal
The additional amount of salt is 0.1~2 ‰.
4. the minimizing technology of sulfur-bearing organic wastewater foul odour according to claim 1, which is characterized in that in step (1),
The temperature of oxidation processes is 40~70 DEG C.
5. the minimizing technology of sulfur-bearing organic wastewater foul odour according to claim 1, which is characterized in that in step (2),
The pH for the treatment of fluid I is adjusted to 10~12；The alkaline hydrolysis time is 1~3h.
6. the minimizing technology of sulfur-bearing organic wastewater foul odour according to claim 1 or 5, which is characterized in that step (2)
In, alkaline hydrolysis process carries out under the oxidation waste heat of step (1).
7. the minimizing technology of sulfur-bearing organic wastewater foul odour according to claim 1, which is characterized in that in step (4),
The acid solution is hydrochloric acid, sulfuric acid or nitric acid solution；Its mass concentration is 1~10%.
8. the minimizing technology of sulfur-bearing organic wastewater foul odour according to claim 1, which is characterized in that in step (5),
Hydrogen sulfide gas is absorbed using spray absorber, the mass concentration of the lye is 5~20%.
9. the minimizing technology of sulfur-bearing organic wastewater foul odour according to claim 1 or 8, which is characterized in that described
Lye is sodium hydrate aqueous solution.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499869A (en) * | 2020-12-01 | 2021-03-16 | 江苏南大华兴环保科技股份公司 | Treatment method of thiourea-containing chemical organic wastewater |
| CN112707493A (en) * | 2019-10-24 | 2021-04-27 | 重庆川维科技有限公司 | Use of persulfates for treating thioethers and/or thiols |
| CN112707491A (en) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | Process for treating thioethers and mercaptans |
| CN112744945A (en) * | 2020-11-30 | 2021-05-04 | 安徽金禾实业股份有限公司 | Method and device for oxidizing and alkaline hydrolyzing sucralose rectification wastewater |
| CN113816483A (en) * | 2021-08-31 | 2021-12-21 | 暨南大学 | Wastewater deodorant and application thereof in wastewater deodorization |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657447A (en) * | 2005-01-24 | 2005-08-24 | 余荪培 | Method for treating sawage generated by preparing carbide slag |
| US20110049061A1 (en) * | 2009-08-28 | 2011-03-03 | Elbert Alden Hale | Method for treating odor in wastewater |
| US20150013987A1 (en) * | 2013-07-11 | 2015-01-15 | Baker Hughes Incorporated | Method for reducing sulfide in oilfield waste water and making treated water |
| US20150197438A1 (en) * | 2013-05-10 | 2015-07-16 | Ecolab Usa Inc. | Reduction of hydrogen sulfide and/or malodor gassing from water via the addition of peroxyacetic acid/hydrogen peroxide product |
| CN106396185A (en) * | 2016-11-18 | 2017-02-15 | 北京中科康仑环境科技研究院有限公司 | Treatment method of waste water containing sulfide |
-
2018
- 2018-12-17 CN CN201811545691.8A patent/CN109354264A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657447A (en) * | 2005-01-24 | 2005-08-24 | 余荪培 | Method for treating sawage generated by preparing carbide slag |
| US20110049061A1 (en) * | 2009-08-28 | 2011-03-03 | Elbert Alden Hale | Method for treating odor in wastewater |
| US20150197438A1 (en) * | 2013-05-10 | 2015-07-16 | Ecolab Usa Inc. | Reduction of hydrogen sulfide and/or malodor gassing from water via the addition of peroxyacetic acid/hydrogen peroxide product |
| US20150013987A1 (en) * | 2013-07-11 | 2015-01-15 | Baker Hughes Incorporated | Method for reducing sulfide in oilfield waste water and making treated water |
| CN106396185A (en) * | 2016-11-18 | 2017-02-15 | 北京中科康仑环境科技研究院有限公司 | Treatment method of waste water containing sulfide |
Non-Patent Citations (3)
| Title |
|---|
| 刘斌: "《无机化学》", 31 January 2010, 中国医药科技出版社 * |
| 张倩等: "《普通高等院校环境科学与工程类系列规划教材 水环境化学》", 30 June 2018, 中国建材工业出版社 * |
| 环境保护部环境应急指挥领导小组办公室: "《环境应急响应实用手册 修订版》", 30 June 2013, 中国环境科学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112707493A (en) * | 2019-10-24 | 2021-04-27 | 重庆川维科技有限公司 | Use of persulfates for treating thioethers and/or thiols |
| CN112707491A (en) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | Process for treating thioethers and mercaptans |
| CN112707491B (en) * | 2019-10-24 | 2023-08-22 | 中国石油化工股份有限公司 | Method for treating thioethers and thiols |
| CN112744945A (en) * | 2020-11-30 | 2021-05-04 | 安徽金禾实业股份有限公司 | Method and device for oxidizing and alkaline hydrolyzing sucralose rectification wastewater |
| CN112499869A (en) * | 2020-12-01 | 2021-03-16 | 江苏南大华兴环保科技股份公司 | Treatment method of thiourea-containing chemical organic wastewater |
| CN113816483A (en) * | 2021-08-31 | 2021-12-21 | 暨南大学 | Wastewater deodorant and application thereof in wastewater deodorization |
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