CN109437441A - The technique of multistage Fenton oxidation method processing waste water - Google Patents
The technique of multistage Fenton oxidation method processing waste water Download PDFInfo
- Publication number
- CN109437441A CN109437441A CN201811575093.5A CN201811575093A CN109437441A CN 109437441 A CN109437441 A CN 109437441A CN 201811575093 A CN201811575093 A CN 201811575093A CN 109437441 A CN109437441 A CN 109437441A
- Authority
- CN
- China
- Prior art keywords
- fenton
- waste water
- technique
- oxidation method
- fenton oxidation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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 provides a kind of technique of multistage Fenton oxidation method processing waste water, comprising the following steps: (1) sequentially adds acid mineral high polymer coagulant, organic polymer coargulator into waste water, be sufficiently stirred；(2) it is added directly Fenton medicament into waste water, is stirred to react；(3) step 1 and step 2 are repeated at least once, liquid alkaline is added in Xiang Dabiao waste water or milk of lime adjusts pH6-9 and a small amount of high polymer coagulant of addition, is discharged after flocculating setting.The present invention by by flocculence and Fenton oxidation method be directly connected to using, an independent wastewater treatment operations step is formed, then after first segment flocculation oxidation completes reaction, directly repeats this step, under same Fenton dosage, this method removal COD efficiency is significantly improved.
Description
Technical field
The present invention relates to pulp-making waste-water processing technology fields, it particularly relates to which a kind of multistage Fenton oxidation method is handled
The technique of waste water.
Background technique
Fenton oxidation method is a kind of efficient and economic waste water advanced oxidization technology, hydrogen peroxide and ferrous iron in oxidation process
Ionic reaction generates the hydroxyl radical free radical (OH) of strong oxidizing property, oxidative degradation Pollutants in Wastewater.Fenton oxidation method has
The advantages that oxidability is strong, equipment is simple, easily operated, is widely used in the Industrial Wastewater Treatments such as papermaking, printing, pharmacy.
In practical applications, single hop Fenton reactive tank or the higher fluidized bed of reaction efficiency, Fenton are generally set
Acid is adjusted in setting before water inlet, and Fenton medicament then disposably adds.Fenton reaction in, OH be oxidation of organic compounds it is effective because
Son, and [Fe2+]、[H2O2], [OH-] determine the yield of OH, thus determine the degree reacted with organic matter.Study table
Bright, when Fenton's reaction is incomplete, partial organic substances can terminate at production acid phase, can not be degraded to CO2And H2O, i.e. single hop
It is degradable that Fenton reaction can have that organic matter fails, and influences the COD of waste water after reaction.
For the oxidation efficiency for improving Fenton, auxiliary unit, Jia Yong can be increased before or after Fenton fluidized bed
Strong et al. " pilot plant test of Fenton oxidation advanced treating high concentration paper waste " proposes " second level Fenton " concept, waste water
Without flocculation treatment, it is directly entered one section of Fenton reaction, Fenton water outlet first passes through flocculation basin flocculation after reaction, and it is heavy to enter back into
Shallow lake pond, sedimentation basin clear liquid carry out second segment Fenton reaction again, which needs more set equipment operations, operate complicated, disadvantaged business enterprise
Operation control；A kind of Feng Huajun et al. (number of patent application: 201610326622.2) processing work of rubbish percolation liquid membrane concentrate
Skill adds coagulant to the concentrating spent liquor of film filtering, and adjusts pH4-5 and carry out flocculation sedimentation, separates to obtain coagulation after precipitating
Supernatant after adjusting pH to 2-3, adds ferrous iron and reacts with Fenton of hydrogen peroxide progress, pH6-7 is adjusted after reaction and carries out two
Secondary flocculation and precipitating and sediment separate out, obtain two stage treatment supernatant；Two stage treatment supernatant adjusts pH to 2-3 again and carries out second
Secondary Fenton reaction adjusts pH6-7 and carries out once flocculating with after precipitation and separation sediment again, obtains tertiary treatment supernatant after reaction
As final water sample, although W-response efficiency can be improved in this method, but each section of precipitating will add adjusting PH with base 6-7, so
PH to 2-3 drops in acid again plus largely afterwards, consumes a large amount of sour and alkali, the inorganic salt concentration in final water sample is high, to environment water
It is unfavorable；And the front and back of each Fenton reaction will increase a flocculation tank and precipitation tank, and equipment investment and operating cost are still
It is high；Hou Yu et al. (number of patent application: a kind of 200810119444.1) method using Fenton process processing sewage, to secondary biochemical
Water outlet not up to standard after processing joins continuous formula reactor using plural serial stage reactor or single-stage, and acid is added in the initial stage and adjusts
IB, IIB, VIB and VIIB metal ion is added simultaneously between 1.5-6.5 in pH, and hydrogen peroxide is successively thrown in multistage reactor
Add, or is added in single-stage flow reactor along water (flow) direction Duo Dian；Such methods although imitate by a degree of promotion Fenton's reaction
Rate, but the simple technology scope using Fenton process processing secondary biochemical waste water is still fallen within, improved efficiency still has improvement space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of technique of multistage Fenton oxidation method processing waste water,
The acid flocculation medicament of first addition will can be reunited in waste water by the poly- organic matter of wadding before Fenton water inlet, be greatly reduced into organic in water
Object particulate effectively reduces Fenton reaction dosage, while reducing pH, without using acidic materials to adjust wastewater pH, i.e.,
Fenton medicament can directly be added to be reacted, repeat first segment flocculant and Fenton adding of agent after the reaction was completed；Respectively
The dosing method of section drug is to be added directly, serial operation, and processing efficiently, is convenient for management.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
On the one hand, the present invention provides a kind of technique of multistage Fenton oxidation method processing waste water, includes the following steps:
1) composite flocculation: directly sequentially adding acid mineral high polymer coagulant, organic polymer coargulator into waste water,
1~5min is sufficiently stirred with the revolving speed of 300~600r/min；Preferably, the acid mineral high polymer coagulant, organic high score
The concentration that adds of sub- flocculant is respectively 100-1200ppm, 1~3ppm；
2) Fenton oxidation: being added directly Fenton medicament into step 1) waste water, is stirred with the revolving speed of 200~500r/min
Mix reaction 5~60 minutes；
3) step 1) and step 2) are repeated at least once, qualified discharge after flocculating setting.
Further, in step 1), the acid mineral flocculating polymer medicament is bodied ferric sulfate, aluminium polychloride
Deng.
Further, in step 1), the organic polymer flocculation medicament is that cationic polyacrylamide or anion are poly-
Acrylamide etc..
Further, in step 2), the Fenton medicament is ferrous class medicament and hydrogen peroxide.Preferably, the ferrous iron
Class medicament is ferrous sulfate etc..
Further, the Fenton added amount of chemical added in the step 2) optionally removes the amount of COD, it is preferable that
Fenton added amount of chemical is calculated with ppm, and dosage is as follows: H2O2(100%): COD=1:1~5, Fe2+/H2O2(100%)=
0.5~5.
Further, the reaction time after Fenton medicament is added in the step 2) is 10~30 minutes.
Further, step 1) is repeated in the step 3) to refer at least once with step 2): directly at least once by suitable
Sequence add flocculation medicament, Fenton medicament, dosing method be added directly, serial operation.Preferably, step 1) and step are repeated
2) once, twice, three times, it is four inferior, specifically can be according to the COD amount decision that waste water needs remove.
Further, after completing Fenton oxidation, before flocculating setting, liquid alkaline or milk of lime tune are added into waste water
PH6~9 are saved, high polymer coagulant, qualified discharge after flocculating setting are added.Preferably, the high polymer coagulant is polypropylene
Amide.The additive amount of the high polymer coagulant is 1~10ppm.
Firstly, technique of the invention, using acid mineral high polymer coagulant, organic polymer coargulator combination in waste water
Middle generation hydrolysis, generates a large amount of H+Ion, can effectively avoid it is subsequent add acid adding step, while also be subsequent addition
Fenton reagent provides environment, reduces the dosage of Fenton reagent；In addition, flocculant can make organic gel not soluble in water in waste water
Body and suspended particulate form flocculation separation, reduce the probability that subsequent Fenton reagent is contacted with organic colloid and suspended particulate, mention
The efficiency of high Fenton oxidation medicament reduces reagent dosage, reduces the oxidation of macromolecular colloid, shortens the Fenton oxidation time.
Secondly, Fenton oxidation process only to can not flocculated organic matter carry out oxidative degradation, reduce to macromolecular colloid
Oxidation, shorten the Fenton reaction time, and then can realize that composite flocculation and Fenton oxidation carry out in one reaction pool；It can
It realizes in the case where not reducing treatment effect, reduces the dose of reaction reagent, it is preferable to embody composite flocculation and Fenton oxygen
The synergistic effect of change.
Third, the organic matter that the flocculant of every section of addition does not decompose completely after Fenton being reacted effectively are rolled into a ball
Wadding, reduces the dosage of next section of Fenton, while controlling the suitable pH of reaction；The Fenton medicament of back segment addition can be by leading portion
The dissolved organic matter that do not degrade thoroughly is degraded again, to further decrease the COD of waste water.At least twice
Composite flocculation-Fenton oxidation lowers the dosage of reagent and the construction of reaction tank, it can be achieved that efficiently to the processing of waste water.
Beneficial effects of the present invention:
The present invention compares current a variety of different Fenton techniques, and advantage is: 1) it is high that acid mineral is added in waste water
Molecular flocculant can flocculate insolubility organic matter in waste water, to reduce Fenton dosing；2) in Fenton
The acid mineral high polymer coagulant added in water inlet can reduce the pH of waste water, adjust without inorganic acids；3) will flocculate medicament
It is directly repeatedly added with Fenton medicament, the process that adds is not necessarily to other operating procedures, easy to operate；4) nothing between each section of Fenton
Flocculation and sedimentation basin need to be set, and equipment investment is low；5) present invention presses the sequence dosing of inherent characteristic, under same dose, segmentation
Formula adds flocculation medicament and Fenton medicament, and water outlet COD is lower after reaction.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.Technical term used herein is intended merely to the purpose of description specific embodiment, is not intended to the limitation present invention
Protection scope.
Embodiment 1
Taking 1000ml COD is the slurrying biochemical waste water of 255ppm, divides A, B, C tri- groups of tests, A group (mono- section of traditional Fenton
Reaction): addition 1.16ml 6.5%Fe2+Ferrous sulfate and 0.20ml 27.5%H2O2, stirred with the revolving speed of 300r/min
20min is discharged COD99ppm after processing；B group (traditional Fenton two-stage reaction): addition 1.16ml 6.5%Fe2+Ferrous sulfate
With 0.15ml 27.5%H2O2, 20min is stirred with the revolving speed of 300r/min, adds 0.05ml 27.5%H2O2, stirring
20min is discharged COD 84ppm after processing；C group (two sections of flocculation oxidation reactions): 0.47ml bodied ferric sulfate [Quan Tie is first added
11%], 2ppm cationic polyacrylamide is added and adds 0.58ml after 2min is sufficiently stirred with the revolving speed of 300r/min
6.5%Fe2+Ferrous sulfate and 0.10ml 27.5%H2O2, after twenty minutes with the tachyphylaxis of 300r/min, it is poly- that 0.13ml is added
It closes ferric sulfate [full iron 11%], 2ppm cationic polyacrylamide is added, after 1min is sufficiently stirred with the revolving speed of 300r/min, then
0.29ml 6.5%Fe is added2+Ferrous sulfate and 0.05ml 27.5%H2O2, COD38ppm is discharged after processing.Wherein, identical
When Fenton dosage, the water outlet COD of two sections of Fenton of B group tradition is 84ppm, lower than the water outlet COD of one section of Fenton
99ppm；C group of the invention, under lower Fenton dosage, water outlet COD is 38ppm, and more traditional two-part Fenton is more
Low, oxidation efficiency is higher.
Embodiment 2
Taking 1000ml COD is the slurrying biochemical waste water of 228ppm, divides A, B, C tri- groups of tests, A group (mono- section of traditional Fenton
Reaction): addition 1.16ml 6.5%Fe2+Ferrous sulfate and 0.20ml 27.5%H2O2, stirred with the revolving speed of 500r/min
20min is discharged COD114ppm after processing；B group (traditional Fenton two-stage reaction): addition 1.16ml 6.5%Fe2+Ferrous sulfate
With 0.15ml 27.5%H2O2, 20min is stirred with the revolving speed of 500r/min, adds 0.05ml27.5%H2O2, stirring
20min is discharged COD89ppm after processing；The two sections of flocculation oxidation reactions of C group: 0.40ml bodied ferric sulfate [Quan Tie is first added
11%], 2ppm cationic polyacrylamide is added and adds 0.58ml after 5min is sufficiently stirred with the revolving speed of 500r/min
6.5%Fe2+Ferrous sulfate and 0.10ml 27.5%H2O2, after twenty minutes with the tachyphylaxis of 500r/min, it is poly- that 0.20ml is added
It closes ferric sulfate [full iron 11%], 2ppm cationic polyacrylamide is added, after 2min is sufficiently stirred with the revolving speed of 500r/min, then
0.29ml 6.5%Fe is added2+Ferrous sulfate and 0.05ml 27.5%H2O2, 50ppm is discharged after processing；Wherein, identical
When Fenton dosage, the water outlet COD of two sections of Fenton of B group tradition is 89ppm, lower than the water outlet COD of one section of Fenton
114ppm；C group of the invention, under lower Fenton dosage, water outlet COD is 50ppm, and more traditional two-part Fenton is more
Low, oxidation efficiency is higher.
Embodiment 3
Taking 1000ml COD is the slurrying biochemical waste water of 208ppm, divides A, B, C tri- groups of tests, A group (mono- section of traditional Fenton
Reaction): addition 1.16ml 6.5%Fe2+Ferrous sulfate and 0.20ml 27.5%H2O2, stirred with the revolving speed of 400r/min
20min is discharged COD115ppm after processing；B group (traditional Fenton two-stage reaction): addition 1.16ml 6.5%Fe2+Ferrous sulfate
With 0.15ml 27.5%H2O2, 20min is stirred, 0.05ml27.5%H is added2O2, stirred with the revolving speed of 400r/min
20min is discharged COD87ppm after processing；The two sections of flocculation oxidation reactions of C group: 0.53ml bodied ferric sulfate [Quan Tie is first added
11%], 2ppm cationic polyacrylamide is added and adds 0.58ml after 2min is sufficiently stirred with the revolving speed of 400r/min
6.5%Fe2+Ferrous sulfate and 0.10ml 27.5%H2O2, after twenty minutes with the tachyphylaxis of 400r/min, it is poly- that 0.07ml is added
It closes ferric sulfate [full iron 11%], 2ppm cationic polyacrylamide is added, after 3min is sufficiently stirred with the revolving speed of 400r/min, then
0.29ml 6.5%Fe is added2+Ferrous sulfate and 0.05ml 27.5%H2O2, 32ppm is discharged after processing；Wherein, identical
When Fenton dosage, the water outlet COD of two sections of Fenton of B group tradition is 87ppm, lower than the water outlet COD of one section of Fenton
115ppm；C group of the invention, under lower Fenton dosage, water outlet COD is 32ppm, and more traditional two-part Fenton is more
It is low, the higher of oxidation efficiency
Embodiment 4
Taking 1000ml COD is the slurrying biochemical waste water of 212ppm, divides A, B, C tri- groups of tests, A group (mono- section of traditional Fenton
Reaction): addition 1.16ml 6.5%Fe2+Ferrous sulfate and 0.20ml 27.5%H2O2, stirred with the revolving speed of 400r/min
20min is discharged COD126ppm after processing；B group (traditional Fenton two-stage reaction): addition 1.16ml 6.5%Fe2+Ferrous sulfate
With 0.15ml 27.5%H2O2, 20min is stirred, 0.05ml 27.5%H is added2O2, stirred with the revolving speed of 400r/min
20min is discharged COD88ppm after processing；The two sections of flocculation oxidation reactions of C group: 0.40ml bodied ferric sulfate [Quan Tie is first added
11%], 2ppm cationic polyacrylamide is added and adds 0.58ml after 1min is sufficiently stirred with the revolving speed of 400r/min
6.5%Fe2+Ferrous sulfate and 0.10ml 27.5%H2O2, react after twenty minutes, 0.20ml bodied ferric sulfate [Quan Tie be added
11%], 2ppm cationic polyacrylamide is added to add after 2min is sufficiently stirred with the revolving speed of 400r/min
0.29ml6.5%Fe2+Ferrous sulfate and 0.05ml 27.5%H2O2, 45ppm is discharged after processing；Wherein, it is used in identical Fenton
When dose, the water outlet COD of two sections of Fenton of B group tradition is 88ppm, lower than the water outlet COD 126ppm of one section of Fenton；This hair
Bright C group, under lower Fenton dosage, water outlet COD is 45ppm, and more traditional two-part Fenton is lower, oxidation efficiency
It is higher.
Embodiment 5
Guangdong pulp mill biochemical waste water COD is 220ppm, wastewater flow rate 15000m3/ d,
By traditional one section of Fenton fluidized bed, dosage is respectively 6.5%Fe2+Ferrous sulfate 37.46T, 27.5%
H2O26.05T, reaction after twenty minutes, then add 32% liquid alkaline 5.88T in the water outlet of Fenton fluidized bed, after mixing
30kg anionic polyacrylamide is added, final deposition pool is discharged 54ppm, 1.76 yuan/m of cost for wastewater treatment after flocculating setting3；
It directly connects Fenton fluidized bed (number of patent application 201810890932.6) by one section of flocculation, dosage difference
For 11% full iron bodied ferric sulfate 6.74T, 30kg cationic polyacrylamide, 6.5%Fe2+Ferrous sulfate 28.75T, 27.5%
H2O24.21T, reaction after twenty minutes, then add 32% liquid alkaline 5.56T in water outlet, and 30kg anion is added after mixing
Polyacrylamide, final deposition pool is discharged 50ppm, 1.26 yuan/m of cost for wastewater treatment after flocculating setting3；
By the present invention using two sections " flocculation directly series connection Fenton fluidized bed techniques ", 5.21T polyaluminum sulfate is first added
30kg cationic polyacrylamide is added in iron [full iron 11%], and after being sufficiently stirred, 6.5%Fe is added2+Ferrous sulfate 18.83T and
27.5%H2O22.77T, reaction after twenty minutes, 2.00T bodied ferric sulfate [full iron 11%] are then added in water outlet, is added
30kg cationic polyacrylamide, is sufficiently stirred, then adds 6.5%Fe2+Ferrous sulfate 5.44T and 27.5%H2O20.80T, instead
After answering 20min, 32% liquid alkaline 1.82T is added, is uniformly mixed, is eventually adding 30kg anionic polyacrylamide flocculating setting, eventually
Sinking pool effluent 46ppm, 0.93 yuan/m of cost for wastewater treatment3。
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of technique of multistage Fenton oxidation method processing waste water, which comprises the steps of:
1) composite flocculation: directly sequentially adding acid mineral high polymer coagulant, organic polymer coargulator into waste water, with
1~5min is sufficiently stirred in the revolving speed of 300~600r/min；The throwing of acid mineral high polymer coagulant, organic polymer coargulator
Adding concentration is respectively 100-2000ppm, 1~5ppm；
2) Fenton oxidation: being added directly Fenton medicament into step 1) waste water, anti-with the revolving speed stirring of 200~500r/min
It answers 5~60 minutes；
3) step 1) and step 2) are repeated at least once, qualified discharge after flocculating setting.
2. the technique of multistage Fenton oxidation method processing waste water according to claim 1, which is characterized in that in step 1),
The acid mineral flocculating polymer medicament is bodied ferric sulfate, aluminium polychloride or combinations thereof.
3. the technique of multistage Fenton oxidation method processing waste water according to claim 1, which is characterized in that in step 1),
The organic polymer flocculation medicament is cationic polyacrylamide or anionic polyacrylamide.
4. the technique of multistage Fenton oxidation method processing waste water according to claim 1, which is characterized in that in step 2),
The Fenton medicament is ferrous class medicament and hydrogen peroxide.
5. the technique of multistage Fenton oxidation method processing waste water according to claim 1, which is characterized in that the step 2)
In designed based on needing the COD amount that removes, Fenton added amount of chemical is calculated with ppm, and dosage is as follows: H2O2(100%):
COD=1:1~5, Fe2+/H2O2(100%)=0.5~5.
6. the technique of multistage Fenton oxidation method processing waste water according to claim 1, which is characterized in that the step 2)
In to add the reaction time after Fenton medicament be 10~30 minutes.
7. the technique of multistage Fenton oxidation method processing waste water according to claim 1, which is characterized in that in step 3),
After completing Fenton oxidation, before flocculating setting, liquid alkaline is added into waste water or milk of lime adjusts pH6~9, adds macromolecule
Flocculant, qualified discharge after flocculating setting.
8. the technique of multistage Fenton oxidation method processing waste water according to claim 7, which is characterized in that the macromolecule
Flocculant is polyacrylamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575093.5A CN109437441A (en) | 2018-12-21 | 2018-12-21 | The technique of multistage Fenton oxidation method processing waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575093.5A CN109437441A (en) | 2018-12-21 | 2018-12-21 | The technique of multistage Fenton oxidation method processing waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109437441A true CN109437441A (en) | 2019-03-08 |
Family
ID=65537730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811575093.5A Pending CN109437441A (en) | 2018-12-21 | 2018-12-21 | The technique of multistage Fenton oxidation method processing waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109437441A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678983A (en) * | 2019-10-17 | 2021-04-20 | 中国石油化工股份有限公司 | Wastewater treatment method for removing heavy metals and reducing COD |
| WO2021072483A1 (en) * | 2019-10-14 | 2021-04-22 | Infinite Water Technologies Pty Ltd | Process and apparatus for water treatment |
| CN112908508A (en) * | 2021-01-12 | 2021-06-04 | 中国工程物理研究院材料研究所 | Method for treating radioactive analysis waste liquid by one-step method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698530A (en) * | 2009-11-11 | 2010-04-28 | 江苏宜净环保有限公司 | Method for waste water treatment by Fenton reaction |
| CN108975554A (en) * | 2018-08-07 | 2018-12-11 | 广东鼎丰纸业有限公司 | The efficiently method of removal pulp-making waste-water COD |
-
2018
- 2018-12-21 CN CN201811575093.5A patent/CN109437441A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698530A (en) * | 2009-11-11 | 2010-04-28 | 江苏宜净环保有限公司 | Method for waste water treatment by Fenton reaction |
| CN108975554A (en) * | 2018-08-07 | 2018-12-11 | 广东鼎丰纸业有限公司 | The efficiently method of removal pulp-making waste-water COD |
Non-Patent Citations (1)
| Title |
|---|
| 贾永强等: "Fenton氧化深度处理高浓度造纸废水的中试实验", 《环境工程学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021072483A1 (en) * | 2019-10-14 | 2021-04-22 | Infinite Water Technologies Pty Ltd | Process and apparatus for water treatment |
| CN112678983A (en) * | 2019-10-17 | 2021-04-20 | 中国石油化工股份有限公司 | Wastewater treatment method for removing heavy metals and reducing COD |
| CN112908508A (en) * | 2021-01-12 | 2021-06-04 | 中国工程物理研究院材料研究所 | Method for treating radioactive analysis waste liquid by one-step method |
| CN112908508B (en) * | 2021-01-12 | 2022-11-04 | 中国工程物理研究院材料研究所 | Method for treating radioactive analysis waste liquid by one-step method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102701345B (en) | Preoxidation-coagulation algae removing method based on in-situ generation of double coagulants | |
| CN105174641A (en) | Treating technology for chemical RO concentrated water | |
| CN102139974A (en) | Treatment method of phosphorus-containing waste water | |
| CN103771651B (en) | A kind of municipal sewage plant effluent reuse does the treatment process of industrial boiler water-supply | |
| CN109437441A (en) | The technique of multistage Fenton oxidation method processing waste water | |
| CN109734248B (en) | Advanced treatment method and equipment for reverse osmosis concentrated water | |
| CN107857423A (en) | A kind of processing system of reverse osmosis concentrated water | |
| CN105906142A (en) | Garbage leachate deep treatment system and method | |
| CN109574387A (en) | A kind of combined technical method handling high concentration hard-degraded organic waste water | |
| CN106315985A (en) | Organic waste liquid treatment process | |
| CN107265777B (en) | Method for treating membrane filtration concentrated solution of landfill leachate | |
| CN109279740A (en) | One kind being suitable for swag high concentrated organic wastewater advanced treatment system and method | |
| CN105152459A (en) | Process for treating wastewater produced in regeneration of SCR denitration catalyst | |
| CN108975554B (en) | The efficiently method of removal pulp-making waste-water COD | |
| CN105330004A (en) | Reclaimed water recycling treatment technology | |
| CN103708679A (en) | Treatment process for fluorine chemical wastewater | |
| CN213060470U (en) | Sulfuric acid process titanium dioxide effluent treatment plant | |
| CN112551744A (en) | Method for treating wastewater by utilizing acidic coagulated Fenton oxidation | |
| CN111635033A (en) | Method and device for treating thallium and arsenic-containing waste acid | |
| CN108059300B (en) | Treatment process of chromium-containing sewage | |
| WO2013063727A1 (en) | Process for increasing activity of nitrification microorganism in active sludge by in-situ preparation and addition of iron hydroxide | |
| KR101276507B1 (en) | The appuratus of removing total phosphorus in wastewater using oxidaition process | |
| KR20030053498A (en) | The method and equipment of wastewater treatment contained organic compound of high concentration | |
| CN107417010A (en) | A kind for the treatment of high-concentration saline organic wastewater catalytic oxidation process for treating and system | |
| CN210795996U (en) | Integrated integrated equipment for treating landfill leachate MBR effluent based on membrane Fenton oxidation technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |