CN106495416A - A kind of hydrogen peroxide manufacture Waste Water Treatment and technique - Google Patents
A kind of hydrogen peroxide manufacture Waste Water Treatment and technique Download PDFInfo
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- CN106495416A CN106495416A CN201611183411.4A CN201611183411A CN106495416A CN 106495416 A CN106495416 A CN 106495416A CN 201611183411 A CN201611183411 A CN 201611183411A CN 106495416 A CN106495416 A CN 106495416A
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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
-
- 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
- C02F1/52—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
- C02F1/66—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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
Abstract
The invention discloses a kind of hydrogen peroxide manufacture Waste Water Treatment and technique, the alkaline sewage pond inner bottom part of the system is connected with alkaline oil interceptor by pipeline, alkaline oil interceptor inner bottom part is connected with air supporting oil-isolating device by pipeline, the liquid outlet of air supporting oil-isolating device is connected with iron filings reaction tank by pipeline, iron filings reaction tank inner bottom part is connected with hydrolysis acidification pool by pipeline, the liquid outlet of hydrolysis acidification pool is connected by the Aerobic Pond that pipeline is provided with aeration tube with inside, the liquid outlet of Aerobic Pond is connected with sedimentation tank by pipeline, the liquid outlet of sedimentation tank is connected with monitoring pond by pipeline.The present invention makes persistent organic pollutants be converted into degradable pollutant, improves biodegradability;The COD clearances of whole technique waste water reach more than 98.5%, while while sewage is processed, completing the process to sludge, making sewage, Treatment of Sludge unified;Realize that, under main-process stream continuous operation, single line flow process intermittently operated effectively reduces water outlet COD contents, realizes qualified discharge.
Description
Technical field
The present invention relates to technical field of waste water processing, specifically a kind of hydrogen peroxide manufacture Waste Water Treatment and work
Skill.
Background technology
Hydrogen peroxide obtained by anthraquinone process production mainly has hydrogenation, oxidation, extraction, purification Four processes, in production process, to work
Liquid be carrier in the presence of catalyst, by the alkyl-anthraquinone being dissolved in organic solvent hydrogenate, obtain corresponding alkyl hydrogen anthraquinone, the latter
Oxidized again, the raw H of a part2O2, another part becomes alkyl-anthraquinone, the H of generation again2O2Extracted with pure water, obtain final product H2O2Product
, after the alkyl-anthraquinone solution of raffinate is through process, re-start hydrogenation.Working solution is prepared mainly with heavy aromatics, alkyl-anthraquinone and phosphorus
Therefore sour three monooctyl esters etc. contain a certain amount of above-mentioned aromatic compound and its derivant etc. in production waste water as raw and auxiliary material
Hardly degraded organic substance, COD contents are typically in 2000-10000 mg/L.Due to aromatic compound carbon-carbon bond disconnect need larger
Energy, its waste water is typically more intractable.So-called hardly degraded organic substance is referred to and can not be degraded by microorganisms or in any environment bar
The Organic substance that can not be degraded with sufficiently fast speed to prevent which from accumulating in the environment under part.Why difficult degradation is relative to easy
For biochemical degradation.
At present, hydrogen peroxide sewage disposal typically adopts gravity oil removal+catalysis oxidation+flocculation+precipitate and separate technique.The technique
It is to process waste water using one flocculence of hydrogen peroxide catalytic oxidation (Fenton process), intermittently operated, the mass concentration one of COD in water outlet
As more than 300mg/L, due to being intermittently operated, the skilled operation degree and technical merit of operator processing procedure is affected compared with
Greatly, the fluctuation of processed waste water index is big, it is difficult to realize qualified discharge.
Content of the invention
The technical assignment of the present invention is to provide a kind of hydrogen peroxide manufacture Waste Water Treatment and technique.
The technical assignment of the present invention realizes that the hydrogen peroxide manufacture Waste Water Treatment includes alkalescence in the following manner
Cesspool, alkaline oil interceptor, iron filings reaction tank, hydrolysis acidification pool, Aerobic Pond and sedimentation tank, described alkaline sewage pond inner bottom part
Connected with alkaline oil interceptor by pipeline, alkaline oil interceptor inner bottom part is connected with air supporting oil-isolating device by pipeline, air supporting oil removal
The liquid outlet of device is connected with iron filings reaction tank by pipeline, and iron filings reaction tank inner bottom part is connected with hydrolysis acidification pool by pipeline
Logical, the liquid outlet of hydrolysis acidification pool is connected by the Aerobic Pond that pipeline is provided with aeration tube with inside, and the liquid outlet of Aerobic Pond leads to
Piping is connected with sedimentation tank, and the liquid outlet of sedimentation tank is connected with monitoring pond by pipeline;
The sludge outlet of sedimentation tank is connected with hydrolysis acidification pool, sludge concentrating pot respectively by pipeline, sludge condensation pot bottom
Sludge outlet is connected with spiral sludge dewatering machine by pipeline, and the liquid outlet of sludge concentrating pot and spiral sludge dewatering machine is by pipe
Road is connected with alkaline oil interceptor.
Cesspool sewage pump is installed on the pipeline connected between described alkaline sewage pond and alkaline oil interceptor;
Alkaline sump oil self priming pump is installed on the flowline of described alkaline oil interceptor;
Alkaline sewage elevator pump is installed on the pipeline connected between described alkaline oil interceptor and air supporting oil-isolating device;
Iron filings pond sewage pump is installed on the pipeline connected between described iron filings reaction tank and hydrolysis acidification pool;
Sludge reflux pump is installed on the sludge outlet pipeline of described sedimentation tank;
Dewaterer feed pump is installed on the pipeline between described sludge concentrating pot and spiral sludge dewatering machine;
Clear water elevator pump is installed on the drain pipe in described monitoring pond.
Described iron filings reaction tank has one or two, is installed in parallel during two iron filings reaction tanks.
Described hydrolysis acidification pool has one or two, is installed in parallel during two hydrolysis acidification pools.
Described Aerobic Pond has one or two, is installed in parallel during two Aerobic Ponds.
The hydrogen peroxide manufacture waste water treatment process step is as follows:
1)Waste water from oxydol production apparatus is first pooled to alkaline sewage pond, will be alkaline dirty with cesspool sewage pump
The sewage of pond bottom squeezes into alkaline oil interceptor, squeezes into air supporting oil-isolating device by alkaline sewage elevator pump after gravity oil-removing;
2)Flocculant and flocculation aid are added in air supporting oil-isolating device, are allowed to be mixed evenly most suspended substances in removing waste water,
Then the scum silica frost on the water surface is scraped off with Oil scraper;
3)The water outlet of air supporting oil-isolating device enters iron filings reaction tank, into iron filings reaction tank adds ferrous sulfate, hydrogen peroxide and acid,
There is chain reaction in 500-1000mg/L to 3-5, hydrogen peroxide concentration control in iron filings reaction tank in control pH value of sewage water,
Response time 8h;Continue bubbling to the waste water of iron filings reaction tank afterwards to adjust, add alkali liquor pH value to be adjusted to 6-9, while decomposing
Residual hydrogen peroxide, 4 h of time;
4)The water outlet of iron filings reaction tank enters hydrolysis acidification pool, stirs 2-4 hours, is hydrolyzed anti-in the presence of hydrolysis flora
Should, insoluble larger molecular organicses are hydrolyzed to solvable small organic molecule further;
5)Hydrolysis acidification pool water outlet enters Aerobic Pond, is provided with aeration tube in pond, and in sewage, aerobic bacteria under aeration condition enters to act charitably
Oxygen biochemical treatment, aeration 4-6 hours reduce the COD and BOD of waste water;
6)After Aerobic Pond process, sewage is entered in sedimentation tank and carries out precipitation mud-water separation, and the clear water after precipitate and separate enters monitoring pond
Realize qualified discharge;
7)In sedimentation tank, a sludge part for precipitate and separate is back to hydrolysis acidification pool, and another part sludge enters sludge concentrating pot
Concentration, the outward transport landfill after spiral sludge dewatering machine dehydration of the sludge after concentration.
Described step 2)Polymeric aluminum chlorides solution of the middle flocculant for mass percent concentration 3-5%, flocculant addition
For 30-50kg/m3;Polyacrylamide of the described flocculation aid for mass percent concentration 0.2-0.4%, flocculation aid addition is
2-4kg/m3.
Described step 3)Middle acid is sulfuric acid solution or salpeter solution.
The present invention a kind of hydrogen peroxide manufacture Waste Water Treatment and technique compared to the prior art, with following spy
Point:
1)Technology utilization H2O2In Fe2+Catalytic action under hydroxyl radical free radical (OH) the efficient oxidation that generates remove difficult drop
Solution Organic substance.OH has strong oxidizing property and very strong electrophilic addition performance, makes most of organic constitutions that carbochain fission to occur,
Organic substance resolves into small-molecule substance, is oxidized to CO2With H2O, so that the COD clearances of waste water reach more than 98.5%,
Recalcitrant chemicals are converted into degradable pollutant simultaneously, improve biodegradability.
2)A large amount of float in hydrolysis process, sewage are hydrolyzed into solable matter, and macromolecules degradation is small molecule,
Organic substance not only quantitatively there occurs great changes, and there occurs larger change in nature in physics and chemistry, make sewage preferably
Follow-up aerobic treatment, can be completed to purify within the shorter time of staying with less tolerance;Appearance, water quality phase in pond
With, in the case of time of staying identical, BOD5 and CO clearances are all remarkably higher than traditional handicraft, and water outlet COD is less than 100mg/
L, the traditional handicraft time of staying are doubled left and right and are still reached to less than the effluent quality being close with this technique.
3)While sewage is processed, the process to sludge is completed, makes sewage, Treatment of Sludge unified.As one kind
Novel process technique, at the aspect such as total time of staying and energy consumption than traditional single activated sludge process or chemical catalysis oxygen
Chemical industry skill will have very big advantage.
4)Chemical oxidation, biochemical double-flow design, can achieve under main-process stream continuous operation, and single line flow process intermittently operated has
Effect reduces water outlet COD contents, realizes qualified discharge.
Description of the drawings
Fig. 1 is a kind of structural representation of hydrogen peroxide manufacture Waste Water Treatment.
Fig. 2 is a kind of flow chart of hydrogen peroxide manufacture waste water treatment process.
In figure:1st, alkaline sewage pond, 2, cesspool sewage pump, 3, alkaline sump oil self priming pump, 4, alkaline oil interceptor, 5,
Alkaline sewage elevator pump, 6, air supporting oil-isolating device, 7, iron filings reaction tank, 8, hydrolysis acidification pool, 9, Aerobic Pond, 10, sludge reflux
Pump, 11, sedimentation tank, 12, monitoring pond, 13, clear water elevator pump, 14, sludge concentrating pot, 15, dewaterer feed pump, 16, folded spiral shell dirty
Mud dewaterer, 17, iron filings pond sewage pump.
Specific embodiment
Embodiment 1:
System is assembled:
The hydrogen peroxide manufacture Waste Water Treatment includes alkaline sewage pond 1, alkaline oil interceptor 4, iron filings reaction tank 7, hydrolysis acid
Change pond 8, Aerobic Pond 9 and sedimentation tank 11, described 1 inner bottom part of alkaline sewage pond is connected with alkaline oil interceptor 4 by pipeline, alkalescence
Cesspool sewage pump 2 is installed on the pipeline connected between cesspool 1 and alkaline oil interceptor 4;Alkaline oil interceptor 4 fuel-displaced
Alkaline sump oil self priming pump 3 is installed on pipe;4 inner bottom part of alkaline oil interceptor is connected with air supporting oil-isolating device 6 by pipeline, alkalescence every
Alkaline sewage elevator pump 5 is installed on the pipeline connected between oil sump 4 and air supporting oil-isolating device 6;Air supporting oil-isolating device 6 goes out liquid
Mouth is connected with iron filings reaction tank 7 by pipeline, and 7 inner bottom part of iron filings reaction tank is connected with hydrolysis acidification pool 8 by pipeline, and iron filings are anti-
Answer and iron filings pond sewage pump 17 is installed on the pipeline connected between pond 7 and hydrolysis acidification pool 8;Hydrolysis acidification pool 8 goes out liquid
Mouth is connected by the Aerobic Pond 9 that pipeline is provided with aeration tube with inside, and the liquid outlet of Aerobic Pond 9 is connected with sedimentation tank 11 by pipeline
Logical, the liquid outlet of sedimentation tank 11 is connected with monitoring pond 12 by pipeline;Clear water elevator pump is installed on the drain pipe in monitoring pond 12
13.
The sludge outlet of sedimentation tank 11 is connected with hydrolysis acidification pool 8, sludge concentrating pot 14 respectively by pipeline, sedimentation tank 11
Sludge outlet pipeline on sludge reflux pump 10 is installed;The sludge outlet of 14 bottom of sludge concentrating pot is dirty with folded spiral shell by pipeline
Mud dewaterer 16 connects, and is provided with dewaterer feed pump on the pipeline between sludge concentrating pot 14 and spiral sludge dewatering machine 16
15;Sludge concentrating pot 14 is connected with alkaline oil interceptor 4 by pipeline with the liquid outlet of spiral sludge dewatering machine 16.
The hydrogen peroxide manufacture waste water treatment process step is as follows:
1)Waste water from oxydol production apparatus is first pooled to alkaline sewage pond 1, with cesspool sewage pump 2 by alkalescence
The sewage of 1 bottom of cesspool squeezes into alkaline oil interceptor 4, squeezes into air supporting oil-isolating device by alkaline sewage elevator pump 5 after gravity oil-removing
6;
2)Flocculant and flocculation aid are added in air supporting oil-isolating device 6, are allowed to be mixed evenly most suspended substances in removing waste water,
Then the scum silica frost on the water surface is scraped off with Oil scraper;
Polymeric aluminum chlorides solution of the described flocculant for mass percent concentration 3%, flocculant addition are 30kg/m3;Institute
Polyacrylamide of the flocculation aid that states for mass percent concentration 0.2%, flocculation aid addition are 2kg/m3;
3)The water outlet of air supporting oil-isolating device 6 enters iron filings reaction tank 7, into iron filings reaction tank 7 adds ferrous sulfate, hydrogen peroxide,
And add sulfuric acid solution control pH value of sewage water to 3, hydrogen peroxide concentration control occurs in iron filings reaction tank 7 in 500mg/L
Chain reaction, response time 8h;Continue bubbling to the waste water of iron filings reaction tank 7 afterwards to adjust, add alkali liquor pH value to be adjusted to 6,
Decompose residual hydrogen peroxide, 4 h of time simultaneously;
Described alkali liquor is into the alkali liquor that mass percent concentration is 5% with piece alkali dissolution;
4)7 water outlet of iron filings reaction tank enters hydrolysis acidification pool 8, stirs 2 hours, is hydrolyzed anti-in the presence of hydrolysis flora
Should, insoluble larger molecular organicses are hydrolyzed to solvable small organic molecule further;
Described hydrolysis flora includes:Bacilluss, large intestine bar, denitrification bacillus, Si Shi bacillus and firefly QI exhaustion hair bacillus;
5)8 water outlet of hydrolysis acidification pool enters Aerobic Pond 9, is provided with aeration tube in pond, and in sewage, aerobic bacteria is carried out under aeration condition
Aerobic treatment, aeration 4 hours reduce the COD and BOD of waste water;
6)After the process of Aerobic Pond 9, sewage is entered in sedimentation tank 11 and carries out precipitation mud-water separation, and the clear water after precipitate and separate enters prison
Realize qualified discharge in control pond 12;
7)In sedimentation tank 11, a sludge part for precipitate and separate is back to hydrolysis acidification pool 8, and it is dense that another part sludge enters sludge
Contracting tank 14 is concentrated, the outward transport landfill after the dehydration of spiral sludge dewatering machine 16 of the sludge after concentration.
Embodiment 2:
System is assembled:
The hydrogen peroxide manufacture Waste Water Treatment includes alkaline sewage pond 1, alkaline oil interceptor 4, iron filings reaction tank 7, hydrolysis acid
Change pond 8, Aerobic Pond 9 and sedimentation tank 11, described 1 inner bottom part of alkaline sewage pond is connected with alkaline oil interceptor 4 by pipeline, alkalescence
Cesspool sewage pump 2 is installed on the pipeline connected between cesspool 1 and alkaline oil interceptor 4;Alkaline oil interceptor 4 fuel-displaced
Alkaline sump oil self priming pump 3 is installed on pipe;4 inner bottom part of alkaline oil interceptor is connected with air supporting oil-isolating device 6 by pipeline, alkalescence every
Alkaline sewage elevator pump 5 is installed on the pipeline connected between oil sump 4 and air supporting oil-isolating device 6;Air supporting oil-isolating device 6 goes out liquid
Mouth is connected with iron filings reaction tank 7 by pipeline, and 7 inner bottom part of iron filings reaction tank is connected with hydrolysis acidification pool 8 by pipeline, and iron filings are anti-
Answer and iron filings pond sewage pump 17 is installed on the pipeline connected between pond 7 and hydrolysis acidification pool 8;Hydrolysis acidification pool 8 goes out liquid
Mouth is connected by the Aerobic Pond 9 that pipeline is provided with aeration tube with inside, and the liquid outlet of Aerobic Pond 9 is connected with sedimentation tank 11 by pipeline
Logical, the liquid outlet of sedimentation tank 11 is connected with monitoring pond 12 by pipeline;Clear water elevator pump is installed on the drain pipe in monitoring pond 12
13.
The sludge outlet of sedimentation tank 11 is connected with hydrolysis acidification pool 8, sludge concentrating pot 14 respectively by pipeline, sedimentation tank 11
Sludge outlet pipeline on sludge reflux pump 10 is installed;The sludge outlet of 14 bottom of sludge concentrating pot is dirty with folded spiral shell by pipeline
Mud dewaterer 16 connects, and is provided with dewaterer feed pump on the pipeline between sludge concentrating pot 14 and spiral sludge dewatering machine 16
15;Sludge concentrating pot 14 is connected with alkaline oil interceptor 4 by pipeline with the liquid outlet of spiral sludge dewatering machine 16.
Described iron filings reaction tank 7 has two, and two iron filings reaction tanks 7 are installed in parallel;Hydrolysis acidification pool 8 has two, and two
Individual hydrolysis acidification pool 8 is installed in parallel;Aerobic Pond 9 has two, and two Aerobic Ponds 9 are installed in parallel;Iron filings reaction tank 7, hydrolysis acidification
Pond 8 and Aerobic Pond 9 formed parallel connection two operating paths, two operating path alternations, by periodic duty, a work week
24 hours phases.
The hydrogen peroxide manufacture waste water treatment process step is as follows:
1)Waste water from oxydol production apparatus is first pooled to alkaline sewage pond 1, with cesspool sewage pump 2 by alkalescence
The sewage of 1 bottom of cesspool squeezes into alkaline oil interceptor 4, squeezes into air supporting oil-isolating device by alkaline sewage elevator pump 5 after gravity oil-removing
6;
2)Flocculant and flocculation aid are added in air supporting oil-isolating device 6, are allowed to be mixed evenly most suspended substances in removing waste water,
Then the scum silica frost on the water surface is scraped off with Oil scraper;
Polymeric aluminum chlorides solution of the described flocculant for mass percent concentration 4%, flocculant addition are 40kg/m3;Institute
Polyacrylamide of the flocculation aid that states for mass percent concentration 0.3%, flocculation aid addition are 3kg/m3;
3)The water outlet of air supporting oil-isolating device 6 enters iron filings reaction tank 7, into iron filings reaction tank 7 adds ferrous sulfate, hydrogen peroxide,
And add salpeter solution control pH value of sewage water to 4, hydrogen peroxide concentration control occurs in iron filings reaction tank 7 in 700mg/L
Chain reaction, response time 8h;Continue bubbling to the waste water of iron filings reaction tank 7 afterwards to adjust, add alkali liquor pH value to be adjusted to 7,
Decompose residual hydrogen peroxide, 4 h of time simultaneously;
Described alkali liquor is into the alkali liquor that mass percent concentration is 8% with piece alkali dissolution;
4)7 water outlet of iron filings reaction tank enters hydrolysis acidification pool 8, stirs 3 hours, is hydrolyzed anti-in the presence of hydrolysis flora
Should, insoluble larger molecular organicses are hydrolyzed to solvable small organic molecule further;
Described hydrolysis flora is:Bacilluss, large intestine bar, denitrification bacillus, Si Shi bacillus and firefly QI exhaustion hair bacillus;
5)8 water outlet of hydrolysis acidification pool enters Aerobic Pond 9, is provided with aeration tube in pond, and in sewage, aerobic bacteria is carried out under aeration condition
Aerobic treatment, aeration 5 hours reduce the COD and BOD of waste water;
6)After the process of Aerobic Pond 9, sewage is entered in sedimentation tank 11 and carries out precipitation mud-water separation, and the clear water after precipitate and separate enters prison
Realize qualified discharge in control pond 12;
7)In sedimentation tank 11, a sludge part for precipitate and separate is back to hydrolysis acidification pool 8, and it is dense that another part sludge enters sludge
Contracting tank 14 is concentrated, the outward transport landfill after the dehydration of spiral sludge dewatering machine 16 of the sludge after concentration.
By specific embodiment above, the those skilled in the art can readily realize the present invention.But should
Work as understanding, the present invention is not limited to above-mentioned several specific embodiments.On the basis of disclosed embodiment, the technology
The technical staff in field can the different technical characteristic of combination in any, so as to realize different technical schemes.
Claims (8)
1. a kind of hydrogen peroxide manufacture Waste Water Treatment, including alkaline sewage pond, alkaline oil interceptor, iron filings reaction tank, hydrolysis
Acidification pool, Aerobic Pond and sedimentation tank, it is characterised in that described alkaline sewage pond inner bottom part is connected with alkaline oil interceptor by pipeline
Logical, alkaline oil interceptor inner bottom part is connected with air supporting oil-isolating device by pipeline, the liquid outlet of air supporting oil-isolating device pass through pipeline and
Iron filings reaction tank is connected, and iron filings reaction tank inner bottom part is connected with hydrolysis acidification pool by pipeline, and the liquid outlet of hydrolysis acidification pool leads to
The Aerobic Pond that piping is provided with aeration tube with inside is connected, and the liquid outlet of Aerobic Pond is connected with sedimentation tank by pipeline, precipitation
The liquid outlet in pond is connected with monitoring pond by pipeline;
The sludge outlet of sedimentation tank is connected with hydrolysis acidification pool, sludge concentrating pot respectively by pipeline, sludge condensation pot bottom
Sludge outlet is connected with spiral sludge dewatering machine by pipeline, and the liquid outlet of sludge concentrating pot and spiral sludge dewatering machine is by pipe
Road is connected with alkaline oil interceptor.
2. a kind of hydrogen peroxide manufacture Waste Water Treatment according to claim 1, it is characterised in that described alkalescence is dirty
Cesspool sewage pump is installed on the pipeline connected between pond and alkaline oil interceptor;
Alkaline sump oil self priming pump is installed on the flowline of described alkaline oil interceptor;
Alkaline sewage elevator pump is installed on the pipeline connected between described alkaline oil interceptor and air supporting oil-isolating device;
Iron filings pond sewage pump is installed on the pipeline connected between described iron filings reaction tank and hydrolysis acidification pool;
Sludge reflux pump is installed on the sludge outlet pipeline of described sedimentation tank;
Dewaterer feed pump is installed on the pipeline between described sludge concentrating pot and spiral sludge dewatering machine;
Clear water elevator pump is installed on the drain pipe in described monitoring pond.
3. a kind of hydrogen peroxide manufacture Waste Water Treatment according to claim 1, it is characterised in that described iron filings are anti-
Ying Chi has one or two, is installed in parallel during two iron filings reaction tanks.
4. a kind of hydrogen peroxide manufacture Waste Water Treatment according to claim 1, it is characterised in that described hydrolysis acid
Changing pond has one or two, is installed in parallel during two hydrolysis acidification pools.
5. a kind of hydrogen peroxide manufacture Waste Water Treatment according to claim 1, it is characterised in that described Aerobic Pond
There is one or two, be installed in parallel during two Aerobic Ponds.
6. a kind of hydrogen peroxide manufacture waste water treatment process, it is characterised in that the treatment process steps are as follows:
1)Waste water from oxydol production apparatus is first pooled to alkaline sewage pond, will be alkaline dirty with cesspool sewage pump
The sewage of pond bottom squeezes into alkaline oil interceptor, squeezes into air supporting oil-isolating device by alkaline sewage elevator pump after gravity oil-removing;
2)Flocculant and flocculation aid are added in air supporting oil-isolating device, are allowed to be mixed evenly most suspended substances in removing waste water,
Then the scum silica frost on the water surface is scraped off with Oil scraper;
3)The water outlet of air supporting oil-isolating device enters iron filings reaction tank, into iron filings reaction tank adds ferrous sulfate, hydrogen peroxide and acid,
There is chain reaction in 500-1000mg/L to 3-5, hydrogen peroxide concentration control in iron filings reaction tank in control pH value of sewage water,
Response time 8h;Continue bubbling to the waste water of iron filings reaction tank afterwards to adjust, add alkali liquor pH value to be adjusted to 6-9, while decomposing
Residual hydrogen peroxide, 4 h of time;
4)The water outlet of iron filings reaction tank enters hydrolysis acidification pool, stirs 2-4 hours, is hydrolyzed anti-in the presence of hydrolysis flora
Should, insoluble larger molecular organicses are hydrolyzed to solvable small organic molecule further;
5)Hydrolysis acidification pool water outlet enters Aerobic Pond, is provided with aeration tube in pond, and in sewage, aerobic bacteria under aeration condition enters to act charitably
Oxygen biochemical treatment, aeration 4-6 hours reduce the COD and BOD of waste water;
6)After Aerobic Pond process, sewage is entered in sedimentation tank and carries out precipitation mud-water separation, and the clear water after precipitate and separate enters monitoring pond
Realize qualified discharge;
7)In sedimentation tank, a sludge part for precipitate and separate is back to hydrolysis acidification pool, and another part sludge enters sludge concentrating pot
Concentration, the outward transport landfill after spiral sludge dewatering machine dehydration of the sludge after concentration.
7. a kind of hydrogen peroxide manufacture waste water treatment process according to claim 6, it is characterised in that described step 2)
Polymeric aluminum chlorides solution of the middle flocculant for mass percent concentration 3-5%, flocculant addition are 30-50kg/m3;Described
Polyacrylamide of the flocculation aid for mass percent concentration 0.2-0.4%, flocculation aid addition are 2-4kg/m3.
8. a kind of hydrogen peroxide manufacture waste water treatment process according to claim 6, it is characterised in that described step 3)
Middle acid is sulfuric acid solution or salpeter solution.
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CN201611183411.4A CN106495416A (en) | 2016-12-20 | 2016-12-20 | A kind of hydrogen peroxide manufacture Waste Water Treatment and technique |
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CN201611183411.4A CN106495416A (en) | 2016-12-20 | 2016-12-20 | A kind of hydrogen peroxide manufacture Waste Water Treatment and technique |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113024044A (en) * | 2021-04-13 | 2021-06-25 | 南京简迪环境工程有限公司 | Hydrogen peroxide production wastewater treatment process |
CN114409175A (en) * | 2021-12-07 | 2022-04-29 | 陕西航天机电环境工程设计院有限责任公司 | System and method for treating wastewater generated in anthraquinone process hydrogen peroxide production by electrolytic flocculation method |
CN113024044B (en) * | 2021-04-13 | 2024-04-26 | 南京简迪环境工程有限公司 | Hydrogen peroxide production wastewater treatment process |
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CN203144232U (en) * | 2012-12-31 | 2013-08-21 | 北京清大国华环保科技有限公司 | Coal chemical high-concentration wastewater treatment device |
CN104370418A (en) * | 2014-11-10 | 2015-02-25 | 辽宁省石油化工规划设计院有限公司 | Treatment method of chemical sewage |
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CN203144232U (en) * | 2012-12-31 | 2013-08-21 | 北京清大国华环保科技有限公司 | Coal chemical high-concentration wastewater treatment device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113024044A (en) * | 2021-04-13 | 2021-06-25 | 南京简迪环境工程有限公司 | Hydrogen peroxide production wastewater treatment process |
CN113024044B (en) * | 2021-04-13 | 2024-04-26 | 南京简迪环境工程有限公司 | Hydrogen peroxide production wastewater treatment process |
CN114409175A (en) * | 2021-12-07 | 2022-04-29 | 陕西航天机电环境工程设计院有限责任公司 | System and method for treating wastewater generated in anthraquinone process hydrogen peroxide production by electrolytic flocculation method |
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