CN107176743A - A kind of processing method of organic wastewater - Google Patents
A kind of processing method of organic wastewater Download PDFInfo
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- CN107176743A CN107176743A CN201710310243.9A CN201710310243A CN107176743A CN 107176743 A CN107176743 A CN 107176743A CN 201710310243 A CN201710310243 A CN 201710310243A CN 107176743 A CN107176743 A CN 107176743A
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- organic wastewater
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
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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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
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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
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a kind of technical field for the treatment of of organic waste, and in particular to the processing method of a kind of industry and life organic wastewater.A kind of processing method of organic wastewater, comprises the following steps：A, the pH value of regulation organic wastewater are 2.5 4, while adding a certain amount of H2O2；B, toward adding iron carbon filler in reactor；C, the step a organic wastewaters treated are added in the reactor described in step b and carry out decomposition reaction, the hydroxyl radical free radical and iron-carbon micro-electrolysis produced using the ferromagnetic Fenton of zeroth order is handled useless Organic substance in water, reaction a period of time；D, by step c react terminate after organic wastewater pH value be adjusted to 7.5 8.5, standing sedimentation；E, the reacted water of step d enter filter and carry out separation of solid and liquid, obtain clear water.Processing method provided by the present invention need not use electric power energy, and equipment investment is small, and processing speed is fast, applied widely, good degrading effect.
Description
Technical field
The present invention relates to a kind of technical field for the treatment of of organic waste, and in particular to a kind of industry and life organic wastewater
Processing method.
Background technology
In recent years, developing rapidly with industrial and city-building, generates substantial amounts of industry and life organic wastewater, gives
Environment causes serious pollution.And although traditional Biochemical method expense is low, floor space is big, engineering construction cost
Height, is generally only applicable the waste water of the easy biological battle array solution of low concentration, the treatment effeciency of the organic wastewater of biological battle array solution difficult to high concentration
It is relatively low, and the biological domestication time is longer.
At present, the conventional treatment for organic wastewater be using biochemical processing method, including anaerobism, it is aerobic, etc. utilize
Phagocytic function that microorganism has to the organic matter in waste water carries out oxidation processes, still, in face of high concentration or other are multiple
During miscellaneous organic wastewater, because the component contained in its waste water is varied, useless Organic substance in water is carried out using bioremediation
Difficulty of degrading is very big, tends not to that enough satisfactions are increasingly strict to encircle requirement.The organic wastewater of this kind of high concentration or complexity
Processing is difficult to using biological method.
High-level oxidation technology using being that free-radical oxidation removes Organic substance in water, can in battle array solution water difficult battle array solution it is biological or right
The organic pollution of biological toxic effect, improving it can biological battle array solution.High-level oxidation technology species is various, including is catalyzed smelly
Oxidation, ozone-ultraviolet combination, electrocatalytic oxidation, light electrolysis, Fenton and Fenton-like etc..Wherein light electrolysis is that iron carbon filler exists
The micro cell system produced under sour environment, redox reaction is produced with the organic substance in waste water；Fenton-like system is mainly sharp
Use Fe2+Base free radical or the high price iron of transient state are produced with hydroperoxidation, so that decomposition of organic matter.Magnetic Fenton master
If using magnetic field-intensification Zero-valent Iron to Fe2+Conversion speed, eliminates the passivation phenomenon of Zero-valent Iron, improves reaction speed.
The content of the invention
It is an object of the invention to provide a kind of industry and life organic wastewater for problems of the prior art
Processing method, speed is slow, effect is poor, cost is high when this method solve traditional single treatment method processing organic wastewater asks
Topic.
The technical scheme is that：
A kind of processing method of organic wastewater, comprises the following steps：
A, the pH value of regulation organic wastewater are 2.5-4, while adding a certain amount of H2O2；
B, toward adding iron carbon filler in reactor；
C, the step a organic wastewaters treated are added in the reactor described in step b and carry out decomposition reaction, utilize Zero-valent Iron
The hydroxyl radical free radical and iron-carbon micro-electrolysis that magnetic Fenton is produced are handled useless Organic substance in water, reaction a period of time；
D, by step c react terminate after organic wastewater pH value be adjusted to 7.5-8.5, standing sedimentation；
E, the reacted water of step d enter filter and carry out separation of solid and liquid, obtain clear water.
Specifically, it is hydrochloric acid or sodium hydroxide that pH regulators used in pH value of waste water are adjusted in the step a.
Specifically, H in the step a2O2Addition be 100-500ppm.
Specifically, the diameter of iron carbon filler particle is less than 10mm in the step b, dosage accounts for four points of reactor volume
One of.
Specifically, the reactor used in the step b is nonmetallic materials, eternal magnetic sheet, N/S are laid in reactor both sides
Extremely relative, magnetic field intensity is 30-70mT.
Specifically, reaction time 1-5h in step c, the reaction time is determined according to Organic substance in water content and pH value change,
PH value is determined to be fully completed to 7 reactions.
Specifically, the regulator that pH value is adjusted in step d is sodium hydroxide, standing sedimentation time 1-2h.
Method for processing organic wastewater provided by the present invention is to be effectively combined light electrolysis method and magnetic Fenton method
Come, organic wastewater is handled using the cooperative effect of the two, improve processing speed and effect, and technique is simple, fortune
Row cost is reduced；This method can rapidly and efficiently handle organic wastewater, green energy conservation, no toxic metal ions residual.The present invention
The processing method provided need not use electric power energy, and equipment investment is small, and processing speed is fast, applied widely, degradation effect
It is good.
Brief description of the drawings
Fig. 1 is COD clearance display figures in embodiment 1.
Embodiment
A kind of processing method of organic wastewater, comprises the following steps：
A, adjust organic wastewater pH value be 2.5-4, regulation pH value of waste water used in pH regulators be hydrochloric acid or sodium hydroxide, together
When add concentration be 30% H2O2, addition is 100-500ppm；
B, toward iron carbon filler is added in reactor, the diameter of iron carbon filler particle is less than 10mm, and dosage accounts for reactor volume
A quarter；
C, the step a organic wastewaters treated are added in the reactor described in step b and carry out decomposition reaction, utilize Zero-valent Iron
The hydroxyl radical free radical and iron-carbon micro-electrolysis that magnetic Fenton is produced are handled useless Organic substance in water, while being entered using carbon to organic matter
Row absorption, the reaction time is 1-5h, determines the reaction time according to Organic substance in water content and pH value change, determines pH value to 7
Reaction is fully completed；
D, the step c organic wastewater pH value reacted after terminating is adjusted to 7.5-8.5, the regulator of regulation pH value is hydroxide
Iron hydroxide flco, standing sedimentation 1-2h are produced in sodium, course of reaction；
E, the reacted water of step d enter filter and carry out separation of solid and liquid, obtain clear water.
The reactor used in the step b is nonmetallic materials, and eternal magnetic sheet is laid in reactor both sides, and N/S is extremely relative,
Magnetic field intensity is 30-70mT.
Embodiment 1
Present embodiment according to the step of above-mentioned processing method to domestic organic waste water carry out experimental test, wherein
1st, in above-mentioned steps a, 2% eriochrome black T solution of configuration as experiment organic solution, using hydrochloric acid by organic wastewater
PH value is adjusted to 2.5, adds 200ppm H2O2（30% content）；
2nd, in course of reaction is stood, water body color is observed, the pH value of water is measured.
3rd, the water sample of different time sections is taken, its pH value is adjusted for 8.0 using NaOH, then stirs, the hydroxide of generation is allowed
Iron flco precipitates, and takes and its COD content is measured after supernatant liquid filtering.
4th, Fig. 1 is the COD clearances of different time sections in process of the test（%）Display figure.
Embodiment 2
Present embodiment returns discharge opeing according to the method and step processing acid fracturing of embodiment 1, wherein selection uses hydrogen-oxygen
Change sodium and pH value is adjusted to 3, add 400ppm H2O2（30% content）, COD clearances are 80% after reacted rear 3h.
Finally it should be noted that：Above-described embodiment is only to clearly demonstrate example of the present invention, and not to implementing
The restriction of mode.For those of ordinary skill in the field, not similar shape can also be made on the basis of the above description
The change or variation of formula.There is no necessity and possibility to exhaust all the enbodiments, and thus amplify out it is aobvious and easy
The change or variation seen are still in protection scope of the present invention.
Claims (7)
1. a kind of processing method of organic wastewater, it is characterised in that comprise the following steps：
A, the pH value of regulation organic wastewater are 2.5-4, while adding a certain amount of H2O2；
B, toward adding iron carbon filler in reactor；
C, the step a organic wastewaters treated are added in the reactor described in step b and carry out decomposition reaction, utilize Zero-valent Iron
The hydroxyl radical free radical and iron-carbon micro-electrolysis that magnetic Fenton is produced are handled useless Organic substance in water, reaction a period of time；
D, by step c react terminate after organic wastewater pH value be adjusted to 7.5-8.5, standing sedimentation；
E, the reacted water of step d enter filter and carry out separation of solid and liquid, obtain clear water.
2. a kind of processing method of organic wastewater according to claim 1, it is characterised in that adjust waste water in the step a
PH regulators used in pH value are hydrochloric acid or sodium hydroxide.
3. a kind of processing method of organic wastewater according to claim 1, it is characterised in that H in the step a2O2Addition
Measure as 100-500ppm.
4. a kind of processing method of organic wastewater according to claim 1, it is characterised in that iron carbon filler in the step b
The diameter of particle is less than 10mm, and dosage accounts for a quarter of reactor volume.
5. a kind of processing method of organic wastewater according to claim 1, it is characterised in that what is used in the step b is anti-
It is nonmetallic materials to answer device, and eternal magnetic sheet is laid in reactor both sides, and N/S is extremely relative, and magnetic field intensity is 30-70mT.
6. a kind of processing method of organic wastewater according to claim 1, it is characterised in that reaction time 1-5h in step c,
Reaction time is determined according to Organic substance in water content and pH value change, pH value is determined and is fully completed to 7 reactions.
7. a kind of processing method of organic wastewater according to claim 1, it is characterised in that the tune of pH value is adjusted in step d
Whole dose is sodium hydroxide, standing sedimentation time 1-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710310243.9A CN107176743A (en) | 2017-05-05 | 2017-05-05 | A kind of processing method of organic wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710310243.9A CN107176743A (en) | 2017-05-05 | 2017-05-05 | A kind of processing method of organic wastewater |
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| CN107176743A true CN107176743A (en) | 2017-09-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209268A (en) * | 2018-10-19 | 2019-01-15 | 中国石油集团渤海钻探工程有限公司 | The method that drain is returned in acidification is handled using reproducibility iron powder |
Citations (4)
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|---|---|---|---|---|
| US20030173306A1 (en) * | 2002-03-14 | 2003-09-18 | Cha Daniel K. | Process and system for treating waste from the production of energetics |
| CN204198462U (en) * | 2014-09-09 | 2015-03-11 | 湖南凯天水务有限公司 | A kind of light electrolysis-catalyzed oxidation-coagulation integrated apparatus for wastewater treatment |
| CN104773808A (en) * | 2015-04-14 | 2015-07-15 | 河海大学 | Magnetic-Fenton method for treating nondegradable organic wastewater |
| CN105347549A (en) * | 2015-11-09 | 2016-02-24 | 中油辽河工程有限公司 | Device for processing thickened oil produced water by utilization of composite advanced oxidation process and technology |
-
2017
- 2017-05-05 CN CN201710310243.9A patent/CN107176743A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173306A1 (en) * | 2002-03-14 | 2003-09-18 | Cha Daniel K. | Process and system for treating waste from the production of energetics |
| CN204198462U (en) * | 2014-09-09 | 2015-03-11 | 湖南凯天水务有限公司 | A kind of light electrolysis-catalyzed oxidation-coagulation integrated apparatus for wastewater treatment |
| CN104773808A (en) * | 2015-04-14 | 2015-07-15 | 河海大学 | Magnetic-Fenton method for treating nondegradable organic wastewater |
| CN105347549A (en) * | 2015-11-09 | 2016-02-24 | 中油辽河工程有限公司 | Device for processing thickened oil produced water by utilization of composite advanced oxidation process and technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209268A (en) * | 2018-10-19 | 2019-01-15 | 中国石油集团渤海钻探工程有限公司 | The method that drain is returned in acidification is handled using reproducibility iron powder |
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