CN113860590A - Pretreatment method of high-concentration industrial wastewater - Google Patents
Pretreatment method of high-concentration industrial wastewater Download PDFInfo
- Publication number
- CN113860590A CN113860590A CN202111252782.4A CN202111252782A CN113860590A CN 113860590 A CN113860590 A CN 113860590A CN 202111252782 A CN202111252782 A CN 202111252782A CN 113860590 A CN113860590 A CN 113860590A
- Authority
- CN
- China
- Prior art keywords
- wastewater
- tank
- concentration industrial
- industrial wastewater
- ultrasonic
- 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
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 19
- 238000002203 pretreatment Methods 0.000 title claims abstract description 12
- 239000002351 wastewater Substances 0.000 claims abstract description 62
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 239000013527 degreasing agent Substances 0.000 claims abstract description 10
- 238000005189 flocculation Methods 0.000 claims abstract description 9
- 230000016615 flocculation Effects 0.000 claims abstract description 9
- 238000005498 polishing Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000005237 degreasing agent Methods 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000005238 degreasing Methods 0.000 claims description 12
- 229910021645 metal ion Inorganic materials 0.000 claims description 12
- 238000001556 precipitation Methods 0.000 claims description 12
- 230000001954 sterilising effect Effects 0.000 claims description 11
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000003344 environmental pollutant Substances 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000008394 flocculating agent Substances 0.000 claims description 4
- 238000005188 flotation Methods 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical group [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 2
- 229940037003 alum Drugs 0.000 claims description 2
- 239000007844 bleaching agent Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000006071 cream Substances 0.000 abstract 1
- 230000029219 regulation of pH Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- 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
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
-
- 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
-
- 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
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
Landscapes
- 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)
- Water Treatment By Electricity Or Magnetism (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a pretreatment method of high-concentration industrial wastewater, which comprises the steps of wastewater pretreatment, wherein an ultrasonic cleaner is arranged in an oil separation tank, a degreaser is coated on a degreaser workpiece, the degreaser workpiece is installed in an ultrasonic groove and can move, and a moving structure comprises a U-shaped guide frame with an upward opening and a rotating structure. Select for use the ultrasonic wave can realize the separation of polishing cream fast at low temperature, practice thrift the energy consumption and can also select for use lower degreasing agent quantity, energy-concerving and environment-protective more, the electrolytic flocculation of porous rod-shaped structure can be flocculated simultaneously in a plurality of regions, and the dephosphorization efficiency is higher, and can carry out the regulation of pH value, and chemical reaction's material utilization ratio is high.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to a high-concentration industrial wastewater pretreatment method.
Background
Industrial waste water refers to waste water and waste liquid discharged from a process, which contains industrial production materials, intermediate products, byproducts and pollutants generated in the production process and lost with water, and is an important cause of environmental pollution, particularly water pollution. Although the treatment of industrial waste water has been started as early as the end of the 19 th century, there are still some technical problems that are not completely solved due to the complex composition and variable nature of many industrial waste waters.
In the process of wastewater treatment, phosphorization wastewater is also called involucra wastewater, which means that an iron part is subjected to chemical treatment in phosphate solution containing manganese, iron, zinc and the like, a phosphate protective film which is insoluble in water is generated on the surface of the iron part and is used as a spraying bottom layer of finish paint to prevent the iron part from rusting. The main pollutants in the wastewater are: pH, SS, PO 43-and in order to ensure the flatness of the bottom layer of the spray coating, the polishing needs to be carried out first, so that the polishing paste also needs to be treated in the wastewater.
Disclosure of Invention
The present invention aims to provide a pretreatment method for high-concentration industrial wastewater to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a pretreatment method of high-concentration industrial wastewater comprises the following steps: the method comprises the following steps: the degreasing device comprises a wastewater pretreatment tank, wherein an ultrasonic cleaner is arranged in an oil separation tank, degreasers are coated on degreased workpieces, the degreasers are installed in an ultrasonic groove and can move, and a moving structure is a U-shaped guide frame with an upward opening and a rotating structure, so that the degreased workpieces are driven to rotate and swing on the U-shaped guide frame in a reciprocating manner, the side walls and all parts at the top and bottom of the parts can be irradiated by ultrasonic waves, and the ultrasonic waves can be selected with lower dosage of the degreasers, so that the degreasing device is more energy-saving and environment-friendly;
step two: discharging the wastewater with the polishing paste and industrial metal salt into an oil separation tank, adding a demulsifier, breaking emulsified oil, and degreasing by using air flotation equipment;
step three: a primary filtering structure is arranged in the regulating tank, large suspended particles which are not subjected to air floatation treatment in the wastewater are filtered for the second time, then the wastewater automatically flows to the regulating tank, the pH value of the wastewater in the regulating tank is regulated to 6-7.5 by a pH regulating agent, the water inlet load is 0-5000 mg/L, the water quality and the water quantity are uniform, and the wastewater is input into the flocculation tank;
step four: mixing aluminum powder and carbon powder to prepare a porous rod-shaped structure, forming a plurality of electrolytic cells in the wastewater, electrolyzing to generate trivalent aluminum metal ions and hydroxyl, reacting the trivalent aluminum metal ions with soluble phosphate in the wastewater to convert the trivalent aluminum metal ions into non-soluble precipitates, forming a flocculating agent with adsorption formation after the hydrolysis precipitation, having adsorption and filtration functions so as to reduce PO 43-pollutants in the wastewater, reacting the hydroxyl with the waste water of samsung, and improving the pH value;
step five: and (3) allowing the naturally precipitated wastewater to enter an ozone oxidation tank for carrying out ozone oxidation reaction, sterilizing, and then pumping the pretreated wastewater to a precipitation reaction tank for subsequent precipitation treatment.
As a further scheme of the invention: the degreasing agent in the first step is composed of an alkaline substance, a surfactant, a corrosion inhibitor and the like.
As a still further scheme of the invention: and the demulsifier in the second step is CaCl 2.
As a still further scheme of the invention: and a mixing and stirring device is arranged in the regulating tank in the third step, and the PH regulator is fully mixed with the wastewater.
As a still further scheme of the invention: in the fifth step, the dosage of the ozone is 60g/m3, and the reaction time is 60-160 min.
As a still further scheme of the invention: in the first step, the waste water in the middle oil pool is heated to 50-60 ℃, so that the ultrasonic efficiency is improved.
As a still further scheme of the invention: and the sterilization operation in the fifth step is realized by adding a sterilization agent, wherein the sterilization agent is bleaching powder and/or alum.
Compared with the prior art, the invention has the beneficial effects that:
the method has reasonable flow, can realize the separation of the polishing paste at low temperature by selecting the ultrasonic wave, saves energy consumption, can select lower dosage of the degreasing agent, is more energy-saving and environment-friendly, can perform electrolytic flocculation in a porous rod-shaped structure, can perform flocculation in a plurality of areas simultaneously, has higher dephosphorization efficiency, can adjust the pH value, and has high utilization rate of chemical reaction substances.
Detailed Description
The first embodiment is as follows:
in the embodiment of the invention, the high-concentration industrial wastewater pretreatment method specifically comprises the following steps: the method comprises the following steps: the method comprises the following steps: the degreasing device comprises a wastewater pretreatment tank, wherein an ultrasonic cleaner is arranged in an oil separation tank, degreasers are coated on degreased workpieces, the degreasers are installed in an ultrasonic groove and can move, and a moving structure is a U-shaped guide frame with an upward opening and a rotating structure, so that the degreased workpieces are driven to rotate and swing on the U-shaped guide frame in a reciprocating manner, the side walls and all parts at the top and bottom of the parts can be irradiated by ultrasonic waves, and the ultrasonic waves can be selected with lower dosage of the degreasers, so that the degreasing device is more energy-saving and environment-friendly;
step two: discharging the wastewater with the polishing paste and industrial metal salt into an oil separation tank, adding a demulsifier, breaking emulsified oil, and degreasing by using air flotation equipment;
step three: a primary filtering structure is arranged in the regulating tank, large suspended particles which are not subjected to air floatation treatment in the wastewater are filtered for the second time, then the wastewater automatically flows to the regulating tank, the pH value of the wastewater in the regulating tank is regulated to 6-7.5 by a pH regulating agent, the water inlet load is 0-5000 mg/L, the water quality and the water quantity are uniform, and the wastewater is input into the flocculation tank;
step four: mixing aluminum powder and carbon powder to prepare a porous rod-shaped structure, forming a plurality of electrolytic cells in the wastewater, electrolyzing to generate trivalent aluminum metal ions and hydroxyl, reacting the trivalent aluminum metal ions with soluble phosphate in the wastewater to convert the trivalent aluminum metal ions into non-soluble precipitates, forming a flocculating agent with adsorption formation after the hydrolysis precipitation, having adsorption and filtration functions so as to reduce PO 43-pollutants in the wastewater, reacting the hydroxyl with the waste water of samsung, and improving the pH value;
step five: and (3) allowing the naturally precipitated wastewater to enter an ozone oxidation tank for carrying out ozone oxidation reaction, sterilizing, and then pumping the pretreated wastewater to a precipitation reaction tank for subsequent precipitation treatment.
The degreasing agent in the first step is composed of an alkaline substance, a surfactant, a corrosion inhibitor and the like.
And the demulsifier in the second step is CaCl 2.
And a mixing and stirring device is arranged in the regulating tank in the third step, and the PH regulator is fully mixed with the wastewater.
In the fifth step, the dosage of the ozone is 60g/m3, and the reaction time is 60-160 min.
In the first step, the waste water in the middle oil pool is heated to 50-60 ℃, so that the ultrasonic efficiency is improved.
Example two:
in the embodiment of the invention, the high-concentration industrial wastewater pretreatment method specifically comprises the following steps: the method comprises the following steps: the method comprises the following steps: the degreasing device comprises a wastewater pretreatment tank, wherein an ultrasonic cleaner is arranged in an oil separation tank, degreasers are coated on degreased workpieces, the degreasers are installed in an ultrasonic groove and can move, and a moving structure is a U-shaped guide frame with an upward opening and a rotating structure, so that the degreased workpieces are driven to rotate and swing on the U-shaped guide frame in a reciprocating manner, the side walls and all parts at the top and bottom of the parts can be irradiated by ultrasonic waves, and the ultrasonic waves can be selected with lower dosage of the degreasers, so that the degreasing device is more energy-saving and environment-friendly;
step two: discharging the wastewater with the polishing paste and industrial metal salt into an oil separation tank, adding a demulsifier, breaking emulsified oil, and degreasing by using air flotation equipment;
step three: a primary filtering structure is arranged in the regulating tank, large suspended particles which are not subjected to air floatation treatment in the wastewater are filtered for the second time, then the wastewater automatically flows to the regulating tank, the pH value of the wastewater in the regulating tank is regulated to 6-7.5 by a pH regulating agent, the water inlet load is 0-5000 mg/L, the water quality and the water quantity are uniform, and the wastewater is input into the flocculation tank;
step four: mixing aluminum powder and carbon powder to prepare a porous rod-shaped structure, forming a plurality of electrolytic cells in the wastewater, electrolyzing to generate trivalent aluminum metal ions and hydroxyl, reacting the trivalent aluminum metal ions with soluble phosphate in the wastewater to convert the trivalent aluminum metal ions into non-soluble precipitates, forming a flocculating agent with adsorption formation after the hydrolysis precipitation, having adsorption and filtration functions so as to reduce PO 43-pollutants in the wastewater, reacting the hydroxyl with the waste water of samsung, and improving the pH value;
step five: and (3) adding a sterilization agent into the naturally precipitated wastewater for sterilization, and then lifting the pretreated wastewater to a precipitation reaction tank by using a pump for subsequent precipitation treatment.
The degreasing agent in the first step is composed of an alkaline substance, a surfactant, a corrosion inhibitor and the like.
And the demulsifier in the second step is CaCl 2.
And a mixing and stirring device is arranged in the regulating tank in the third step, and the PH regulator is fully mixed with the wastewater.
In the fifth step, the dosage of the ozone is 60g/m3, and the reaction time is 60-160 min.
In the first step, the waste water in the middle oil pool is heated to 50-60 ℃, so that the ultrasonic efficiency is improved.
The working principle of the invention is as follows:
the invention relates to a pretreatment method of high-concentration industrial wastewater, which selects a mechanical structure with reasonable matching of ultrasonic waves, can quickly realize the separation of polishing paste at low temperature, saves energy consumption, selects lower dosage of a degreasing agent, is more energy-saving and environment-friendly, can perform electrolytic flocculation of a porous rod-shaped structure, can perform flocculation in multiple areas simultaneously, has higher dephosphorization efficiency, can adjust the pH value, and has high utilization rate of chemical reaction substances.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A pretreatment method of high-concentration industrial wastewater is characterized by comprising the following steps:
the method comprises the following steps: the degreasing device comprises a wastewater pretreatment tank, wherein an ultrasonic cleaner is arranged in an oil separation tank, degreasers are coated on degreased workpieces, the degreasers are installed in an ultrasonic groove and can move, and a moving structure is a U-shaped guide frame with an upward opening and a rotating structure, so that the degreased workpieces are driven to rotate and swing on the U-shaped guide frame in a reciprocating manner, the side walls and all parts at the top and bottom of the parts can be irradiated by ultrasonic waves, and the ultrasonic waves can be selected with lower dosage of the degreasers, so that the degreasing device is more energy-saving and environment-friendly;
step two: discharging the wastewater with the polishing paste and industrial metal salt into an oil separation tank, adding a demulsifier, breaking emulsified oil, and degreasing by using air flotation equipment;
step three: a primary filtering structure is arranged in the regulating tank, large suspended particles which are not subjected to air floatation treatment in the wastewater are filtered for the second time, then the wastewater automatically flows to the regulating tank, the pH value of the wastewater in the regulating tank is regulated to 6-7.5 by a pH regulating agent, the water inlet load is 0-5000 mg/L, the water quality and the water quantity are uniform, and the wastewater is input into the flocculation tank;
step four: mixing aluminum powder and carbon powder to prepare a porous rod-shaped structure, forming a plurality of electrolytic cells in the wastewater, electrolyzing to generate trivalent aluminum metal ions and hydroxyl, reacting the trivalent aluminum metal ions with soluble phosphate in the wastewater to convert the trivalent aluminum metal ions into non-soluble precipitates, forming a flocculating agent with adsorption formation after the hydrolysis precipitation, having adsorption and filtration functions so as to reduce PO 43-pollutants in the wastewater, reacting the hydroxyl with the waste water of samsung, and improving the pH value;
step five: and (3) allowing the naturally precipitated wastewater to enter an ozone oxidation tank for carrying out ozone oxidation reaction, sterilizing, and then pumping the pretreated wastewater to a precipitation reaction tank for subsequent precipitation treatment.
2. The method for pretreating high-concentration industrial wastewater according to claim 1, wherein the degreasing agent in the first step is composed of an alkaline substance, a surfactant, a corrosion inhibitor and the like.
3. The method for pretreating high-concentration industrial wastewater according to claim 1, wherein the demulsifier in the second step is CaCl 2.
4. The method for pretreating high-concentration industrial wastewater according to claim 1, wherein a mixing and stirring device is arranged in the regulating reservoir in the third step, and the pH regulator is fully mixed with the wastewater.
5. The pretreatment method of high concentration industrial wastewater according to claim 1, wherein the amount of ozone used in the fifth step is 60g/m3, and the reaction time is 60-160 min.
6. The pretreatment method of high concentration industrial wastewater according to claim 1, wherein the wastewater in the middle oil sump in the first step is heated to 50-60 ℃ to improve the efficiency of ultrasonic waves.
7. The method for pretreating high-concentration industrial wastewater according to claim 1, wherein the sterilization in the fifth step is performed by adding a sterilization agent, and the sterilization agent is bleaching powder and/or alum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252782.4A CN113860590A (en) | 2021-10-27 | 2021-10-27 | Pretreatment method of high-concentration industrial wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252782.4A CN113860590A (en) | 2021-10-27 | 2021-10-27 | Pretreatment method of high-concentration industrial wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113860590A true CN113860590A (en) | 2021-12-31 |
Family
ID=78998316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111252782.4A Pending CN113860590A (en) | 2021-10-27 | 2021-10-27 | Pretreatment method of high-concentration industrial wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113860590A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06254521A (en) * | 1993-03-08 | 1994-09-13 | Olympus Optical Co Ltd | Degreasing and cleaning method |
| JP2002210472A (en) * | 2001-01-23 | 2002-07-30 | Sanyo Electric Co Ltd | Method for installing sewage treating device |
| JP2012161742A (en) * | 2011-02-07 | 2012-08-30 | Sepa Sigma Inc | Water treatment method, and device therefor |
| CN103739107A (en) * | 2013-11-14 | 2014-04-23 | 安徽省绿巨人环境技术有限公司 | Treatment process for wastewater of household appliance product degreasing process |
| CN104817233A (en) * | 2015-04-23 | 2015-08-05 | 常州大学 | Mechanical cutting wastewater treatment device and method |
| CN111847733A (en) * | 2020-07-13 | 2020-10-30 | 久沛（上海）环保科技有限公司 | Efficient treatment process for coating wastewater |
-
2021
- 2021-10-27 CN CN202111252782.4A patent/CN113860590A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06254521A (en) * | 1993-03-08 | 1994-09-13 | Olympus Optical Co Ltd | Degreasing and cleaning method |
| JP2002210472A (en) * | 2001-01-23 | 2002-07-30 | Sanyo Electric Co Ltd | Method for installing sewage treating device |
| JP2012161742A (en) * | 2011-02-07 | 2012-08-30 | Sepa Sigma Inc | Water treatment method, and device therefor |
| CN103739107A (en) * | 2013-11-14 | 2014-04-23 | 安徽省绿巨人环境技术有限公司 | Treatment process for wastewater of household appliance product degreasing process |
| CN104817233A (en) * | 2015-04-23 | 2015-08-05 | 常州大学 | Mechanical cutting wastewater treatment device and method |
| CN111847733A (en) * | 2020-07-13 | 2020-10-30 | 久沛（上海）环保科技有限公司 | Efficient treatment process for coating wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101456647B (en) | Automobile manufacturer wastewater treatment method | |
| CN206142964U (en) | Integration high concentration sewage advanced oxidation treatment equipment | |
| JP2009541036A (en) | Cooling towers requiring silica removal from water and methods and integrated systems for water treatment in various processes | |
| CN106746181A (en) | A kind of processing method of automobile factory's waste water and application | |
| CN205275340U (en) | Integrated device of application waste water is handled to materialization method | |
| CN104876392A (en) | Coating wastewater treatment process | |
| CN102616979B (en) | Treatment method for surface treatment liquid wastewater of metal processing | |
| CN107381881A (en) | The method of wastewater treatment and processing unit of desulfurization wastewater zero-emission | |
| CN106242185B (en) | Banana pulp producing wastewater treatment | |
| CN101144143A (en) | Processing technique of plating auxiliary agent for hot galvanizing | |
| CN207227240U (en) | A kind of electric flocculation method handles high concentrated organic wastewater device | |
| CN105293822A (en) | Coal chemical industry wastewater treatment fundamental technology | |
| CN113860590A (en) | Pretreatment method of high-concentration industrial wastewater | |
| CN202297309U (en) | System for comprehensively treating wastewater generated in pickling process and tanning process | |
| CN104355451A (en) | Process for recycling biochemical effluent of landfill leachate | |
| CN105384286B (en) | A kind of processing method of industrial wastewater recycling | |
| CN103482817A (en) | Environment-friendly zero-emission treatment system for hot galvanizing wastewater of steel piece of electric power iron tower | |
| CN107935231B (en) | Method and device for treating discharged liquid in mechanical galvanizing process | |
| RU2530041C1 (en) | Method of purifying industrial waste water | |
| CN212833216U (en) | Pickling bonderizing waste water treatment equipment | |
| CN102923827B (en) | Microelectrolysis process for waste water treatment under alkaline condition | |
| CN210193576U (en) | Waste water treatment device in coating process | |
| CN102417275B (en) | System and method for comprehensive treatment of pickling process waste water and leather-making process waste water | |
| CN207685086U (en) | A kind of leather waste water processing unit | |
| CN1405102A (en) | Method for treating sewage by DSD acid reduction acid bleeding |
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 |
Application publication date: 20211231 |
|
| RJ01 | Rejection of invention patent application after publication |