CN101851046A - Device for deep treatment and complete recovery of coking wastewater and application method thereof - Google Patents
Device for deep treatment and complete recovery of coking wastewater and application method thereof Download PDFInfo
- Publication number
- CN101851046A CN101851046A CN 201010204363 CN201010204363A CN101851046A CN 101851046 A CN101851046 A CN 101851046A CN 201010204363 CN201010204363 CN 201010204363 CN 201010204363 A CN201010204363 A CN 201010204363A CN 101851046 A CN101851046 A CN 101851046A
- Authority
- CN
- China
- Prior art keywords
- water
- treatment
- reverse osmosis
- coking wastewater
- membrane
- 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.)
- Granted
Links
- 238000004939 coking Methods 0.000 title claims abstract description 43
- 239000002351 wastewater Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000011084 recovery Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000012528 membrane Substances 0.000 claims abstract description 67
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 62
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 238000002425 crystallisation Methods 0.000 claims abstract description 15
- 230000008025 crystallization Effects 0.000 claims abstract description 15
- 238000001704 evaporation Methods 0.000 claims abstract description 11
- 230000008020 evaporation Effects 0.000 claims abstract description 11
- 230000003647 oxidation Effects 0.000 claims abstract description 8
- 239000002894 chemical waste Substances 0.000 claims description 20
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 238000010992 reflux Methods 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 12
- 238000005188 flotation Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 9
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 9
- 238000002203 pretreatment Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000012510 hollow fiber Substances 0.000 claims description 6
- 238000005374 membrane filtration Methods 0.000 claims description 6
- 238000000108 ultra-filtration Methods 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 4
- 230000003134 recirculating effect Effects 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- 230000001580 bacterial effect Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 3
- 239000007764 o/w emulsion Substances 0.000 claims description 3
- 238000010525 oxidative degradation reaction Methods 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 10
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 235000019600 saltiness Nutrition 0.000 description 8
- 239000007787 solid Substances 0.000 description 4
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000004042 decolorization Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a device for deep treatment and complete recovery of coking wastewater and an application method thereof. The device comprises a pretreatment system and a biochemical treatment system and is characterized in that an outlet of coking wastewater after pretreatment and biochemical treatment is connected with a membrane bioreactor; the water outlet of the membrane bioreactor is connected with an oxidation treatment component; the water outlet of the oxidation treatment system is connected with a reverse osmosis membrane treatment component; one water outlet of the reverse osmosis membrane treatment component is connected with a concentrated water evaporation and crystallization system; and the other water outlet of the reverse osmosis membrane treatment component is connected with a recycling water tank. The invention combines the technologies of biochemical treatment, oxidation, membrane separation and evaporation for deep treatment of the coking wastewater and realizes zero emissions. Therefore, the device and the application method are a novel treatment device and a novel application method for degradation of various pollutants in the coking wastewater and complete recovery of water after treatment.
Description
Technical field
The present invention relates to the technology for treating industrial waste water field, relate in particular to a kind of coking wastewater deep treatment and full reclamation set and application method thereof.
Background technology
At present, Treatment of Coking Effluent generally adopts A/O biological denitrificaion treatment technology, handle back sewage quality index and can reach national specified discharge standard, part is back to wet quenching, dedusting, coal gas water seal equal turbidity circulating water system and makes make up water, and the advanced treatment of coking chemical waste water is generally adopted means such as sand filtration, biological filter, coagulating treatment, although water outlet COD is controlled at about 100mg/L, suspension content can not satisfy and produce water purification water water quality requirement about 30mg/L; The employing activated carbon filtration that has can be removed COD and suspended substance in the water effectively, and COD is dropped to below the 60mg/L, and suspension content but does not almost have treatment effect to deliquescent solid saltiness below 5mg/L, so this technology does not have promotional value.Must adopt reverse osmosis membrane to separate in order to remove soluble solid, and the concentrated solution after separating can't discharge because of COD and salt height, unique place to go is to be sprayed onto coal yard or as the make up water of wet quenching, but the water of coal yard is limited, many coke-oven plants have changed dry quenching(of coke) into, so need a Treatment of Coking Effluent reuse and reach the technology of zero release.
Summary of the invention
Technical problem to be solved by this invention provides a kind of coking wastewater deep treatment device, and this device can reduce all kinds of pollutant loads such as COD and suspended substance in the waste water significantly, and coking chemical waste water is carried out advanced treatment and reuse, makes system realize zero release.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A kind of coking wastewater deep treatment and full reclamation set, comprise pretreatment system and biochemical treatment system, it is characterized in that: described device also comprise by membrane bioreactor ((Membrane BioReactor, MBR), oxidization processing system and reverse osmosis membrane processing system and dense water evaporation and crystallization system;
Outlet through the coking chemical waste water after pre-treatment and the biochemical treatment is connected with described MBR membrane bioreactor; The water outlet of described membrane bioreactor is connected with described oxidization processing system; The water outlet of described oxidization processing system is connected water outlet after reverse osmosis feedwater pump and high-pressure pump series connection pressurization with described reverse osmosis membrane processing system; A water outlet of described reverse osmosis membrane processing system is connected with described dense water evaporation and crystallization system; Another outlet of described reverse osmosis membrane processing system is connected with the reuse water tank.
Described pretreatment system comprises grease removal tank, equalizing tank and the flotation cell that connects successively; Biochemical treatment system comprises anaerobic pond, anoxic pond, Aerobic Pond and reflux sedimentation tank, and the water outlet in bio anaerobic pond joins by the water-in of anoxic pond, Aerobic Pond and reflux sedimentation tank and MBR membrane bioreactor successively.
Described MBR membrane bioreactor belongs to hollow fiber ultrafiltration membrane, the immersion structure; The described MBR membrane bioreactor work period is 3 minutes, 30 seconds intermittently, and required suction force is generally-0.01～-0.04MPa, filtering accuracy 0.5 μ m, crossing water flux is 10～15L/m
2.hr.
Described oxidization processing system adopts ozone, hydrogen peroxide, chlorine or clorox to handle waste water.
Described reverse osmosis membrane filtration adopts two cover systems, and described two cover systems are connected in series.
The described first cover reverse osmosis system operating pressure, 2～3.5MPa, filtering accuracy 0.001 μ m; The concentrated solution of the first cover reverse osmosis system enters the second cover reverse osmosis system, system works pressure 3.5～4.0Mpa.Final concentrated solution accounts for below 10% of the entire treatment water yield; The concentrated solution water quality of the described second cover reverse osmosis system is: CODcr≤450mg/L, saltiness≤40000mg/L.
Described coking chemical waste water working temperature is 18～30 ℃.
Described anaerobic pond has related parameter to be: hydraulic detention time 8～12h, P are 1mg/L, and water temperature is 30 ℃;
Described anoxic pond has related parameter: hydraulic detention time 16～20h, sewage backflow are than 2～3 times, and P is 1mg/L, 25～30 ℃ of water temperatures, pH value 7～8;
Described Aerobic Pond has related parameter: hydraulic detention time 32～36h, and 2～3 times of return sludge ratios, water outlet phosphorus content 0.5～1mg/L, 25～30 ℃ of water temperatures, PH 7～8, dissolved oxygen 2～4mg/L.
The application method of described coking wastewater deep treatment and full reclamation set is characterized in that this method comprises following processing step:
(1) pre-treatment: treatment facility comprises grease removal tank, flotation cell and equalizing tank, and the influent quality of coking chemical waste water is: CODcr≤4000mg/L, phenol≤650mg/L, CN
-≤ 15mg/L, oil≤50mg/L, NH
3-N :≤250mg/L, SS≤300mg/L, PH 7～8, heavy oil and oil in water emulsion in grease removal tank, flotation cell and equalizing tank removal waste water, regulate the ununiformity of the various coking chemical waste water water yields and water quality, coking chemical waste water after pre-treatment in the water quality CODcr clearance 5～10%, oil≤10mg/L;
(2) biochemical treatment: treatment facility comprises anaerobic pond, anoxic pond, Aerobic Pond and reflux sedimentation tank, and the water outlet in bio anaerobic pond joins by the water-in of anoxic pond, Aerobic Pond and reflux sedimentation tank and MBR membrane bioreactor successively;
(3) MBR Membrane Bioreactor for Wastewater Treatment: MBR belongs to hollow fiber ultrafiltration membrane, the immersion structure, and all kinds of bacterial classifications of its efficient crown_interception are effectively removed corresponding pollutent, and avoid the loss of mud; Water-quality guideline is CODcr≤150mg/L, NH after the MBR Membrane Bioreactor for Wastewater Treatment
3-N≤5mg/L, SS (suspended substance)≤1mg/L, phenol≤0.5mg/L, prussiate≤0.5mg/L;
(4) oxide treatment: ozone, hydrogen peroxide, chlorine or clorox are adopted in oxidation, organism in the intensive oxidative degradation water, reduce COD, colourity in the waste water, water-quality guideline is CODcr≤80mg/L, SS (suspended substance)≤1mg/L, phenol≤0.3mg/L, prussiate≤0.3mg/L, percent of decolourization 〉=50% after the oxide treatment;
(5) reverse osmosis membrane processing: reverse osmosis membrane filtration adopts two cover systems, and described two cover systems are connected in series, the described first cover reverse osmosis system operating pressure, 2～3.5MPa, filtering accuracy 0.001 μ m; The concentrated solution of the first cover reverse osmosis system enters the second cover reverse osmosis system, system works pressure 3.5～4.0Mpa.Final concentrated solution accounts for below 10% of the entire treatment water yield; The concentrated solution water quality of the described second cover reverse osmosis system is: CODcr≤450mg/L, saltiness≤40000mg/L; The water-quality guideline of water outlet: CODcr≤20mg/L, phenol≤0.2mg/L, prussiate≤0.2mg/L, NH after reverse osmosis membrane processing
3-N≤3mg/L, oil can not detect, SS can not detect, PH6.5～7.5, saltiness≤150mg/L, hardness≤10mg/L are (with CaCO
3Meter);
(6) dense water evaporative crystallization is handled: the concentrated solution after the reverse osmosis membrane processing utilizes evaporative crystallization, and the water of condensation makes system accomplish zero release as the make up water of recirculating cooling water system;
Preferred ozone of oxygenant or hydrogen peroxide in the described step (4); When adopting chlorine or clorox, need before RO, add sodium bisulfite or S-WAT neutralizes, to protect the RO film.
The present invention has following advantage:
The method that the present invention adopts biochemistry, oxidation to add that membrane separation technique and evaporation combine is carried out advanced treatment and is reached zero release coking chemical waste water, be a kind of with each pollutant in the coking chemical waste water degraded and will handle the processing new technology of back water complete-reclaiming; Adopt MBR to improve the biochemical sludge concentration and the volumetric loading of biochemical reaction tank, the cancellation coagulating treatment has been saved occupation of land; But the water outlet direct reuse is realized the utilization again of water resources and the zero release of coking chemical waste water in producing clean circulating water system water as a supplement.
Description of drawings
Fig. 1 is a device schematic flow sheet of the present invention
As shown in the figure, 1-MBR membrane bioreactor, 2-oxidization processing system, 3-reverse osmosis membrane processing system, the dense water evaporation and crystallization system of 4-, 5-reuse water tank, 6-pretreatment system, 7-biochemical treatment system.
Embodiment
The invention will be further described below in conjunction with Figure of description.
A kind of coking wastewater deep treatment and full reclamation set comprise pretreatment system and biochemical treatment system, it is characterized in that: described device also comprises by membrane bioreactor, oxidization processing system and reverse osmosis membrane processing system and dense water evaporation and crystallization system;
Outlet through the coking chemical waste water after pre-treatment and the biochemical treatment is connected with described MBR membrane bioreactor; The water outlet of described membrane bioreactor is connected with described oxidization processing system; The water outlet of described oxidization processing system is connected water outlet after reverse osmosis feedwater pump and high-pressure pump series connection pressurization with described reverse osmosis membrane processing system; A water outlet of described reverse osmosis membrane processing system is connected with described dense water evaporation and crystallization system; Another outlet of described reverse osmosis membrane processing system is connected with the reuse water tank.
Described pretreatment system comprises grease removal tank, equalizing tank and the flotation cell that connects successively; Biochemical treatment system comprises anaerobic pond, anoxic pond, Aerobic Pond and reflux sedimentation tank, and the water outlet in bio anaerobic pond joins by the water-in of anoxic pond, Aerobic Pond and reflux sedimentation tank and MBR membrane bioreactor successively.
Described MBR membrane bioreactor belongs to hollow fiber ultrafiltration membrane, the immersion structure; The described MBR membrane bioreactor work period is 3 minutes, 30 seconds intermittently, and required suction force is generally-0.01～-0.04MPa, filtering accuracy 0.5 μ m, crossing water flux is 10～15L/m
2.hr.
Described oxidization processing system adopts ozone, hydrogen peroxide, chlorine or clorox to handle waste water.
Described reverse osmosis membrane filtration adopts two cover systems, and described two cover systems are connected in series.
The described first cover reverse osmosis system operating pressure, 2～3.5MPa, filtering accuracy 0.001 μ m; The concentrated solution of the first cover reverse osmosis system enters the second cover reverse osmosis system, system works pressure 3.5～4.0Mpa.Final concentrated solution accounts for below 10% of the entire treatment water yield; The concentrated solution water quality of the described second cover reverse osmosis system is: CODcr≤450mg/L, saltiness≤40000mg/L.
Described coking chemical waste water working temperature is 18～30 ℃.
Described anaerobic pond has related parameter to be: hydraulic detention time 8～12h, P are 1mg/L, and water temperature is 30 ℃;
Described anoxic pond has related parameter: hydraulic detention time 16～20h, sewage backflow are than 2～3 times, and P is 1mg/L, 25～30 ℃ of water temperatures, pH value 7～8;
Described Aerobic Pond has related parameter: hydraulic detention time 32～36h, and 2～3 times of return sludge ratios, water outlet phosphorus content 0.5～1mg/L, 25～30 ℃ of water temperatures, PH 7～8, dissolved oxygen 2～4mg/L.
The application method of described coking wastewater deep treatment and full reclamation set is characterized in that this method comprises following processing step:
(1) pre-treatment: treatment facility comprises grease removal tank, flotation cell and equalizing tank, and the influent quality of coking chemical waste water is: CODcr≤4000mg/L, phenol≤650mg/L, CN
-≤ 15mg/L, oil≤50mg/L, NH
3Heavy oil and oil in water emulsion in the waste water are removed through grease removal tank, flotation cell and equalizing tank in-N :≤250mg/L, SS≤300mg/L, PH7～8, regulate the ununiformity of the various coking chemical waste water water yields and water quality.This flotation cell is provided with the air supporting medicine system flocculation agent and coagulant aids is added wherein favourable further removal oils of flotation cell and suspended substance.Coking chemical waste water after pre-treatment in the water quality CODcr clearance 5～10%, oil≤10mg/L;
(2) biochemical treatment: treatment facility comprises anaerobic pond, anoxic pond, Aerobic Pond and reflux sedimentation tank, and the water outlet in bio anaerobic pond joins by the water-in of anoxic pond, Aerobic Pond and reflux sedimentation tank and MBR membrane bioreactor successively; The bio anaerobic pond is provided with biochemical medicine system nutritive salt and alkali is added wherein, and utilizes Aeration fan to give the oxygen supply of biology aerobic pond.
(3) Membrane Bioreactor for Wastewater Treatment: MBR belongs to hollow fiber ultrafiltration membrane, and the immersion structure utilizes film district blower fan to give MBR membrane bioreactor air feed simultaneously, and all kinds of bacterial classifications of the efficient crown_interception of MBR are effectively removed corresponding pollutent, and avoid the loss of mud; Water-quality guideline is CODcr≤150mg/L, NH after the MBR Membrane Bioreactor for Wastewater Treatment
3-N≤5mg/L, SS (suspended substance)≤1mg/L, phenol≤0.5mg/L, prussiate≤0.5mg/L;
(4) oxide treatment: ozone, hydrogen peroxide, chlorine or clorox are adopted in oxidation, organism in the intensive oxidative degradation water, reduce COD, colourity in the waste water, water-quality guideline is CODcr≤80mg/L, SS (suspended substance)≤1mg/L, phenol≤0.3mg/L, prussiate≤0.3mg/L, percent of decolourization 〉=50% after the oxide treatment; Preferred ozone of oxygenant or hydrogen peroxide in this step; When adopting chlorine or clorox, need before RO, add sodium bisulfite or S-WAT neutralizes, to protect the RO film.
(5) reverse osmosis membrane processing: reverse osmosis membrane filtration adopts two cover systems, and described two cover systems are connected in series, the described first cover reverse osmosis system operating pressure, 2～3.5MPa, filtering accuracy 0.001 μ m; The concentrated solution of the first cover reverse osmosis system enters the second cover reverse osmosis system, system works pressure 3.5～4.0Mpa.Final concentrated solution accounts for below 10% of the entire treatment water yield; The concentrated solution water quality of the described second cover reverse osmosis system is: CODcr≤450mg/L, saltiness≤40000mg/L; The water-quality guideline of water outlet: CODcr≤20mg/L, phenol≤0.2mg/L, prussiate≤0.2mg/L, NH after reverse osmosis membrane processing
3-N≤3mg/L, oil can not detect, SS can not detect, PH6.5～7.5, saltiness≤150mg/L, hardness≤10mg/L are (with CaCO
3Meter);
(6) dense water evaporative crystallization is handled: the concentrated solution after the reverse osmosis membrane processing utilizes evaporative crystallization, and the water of condensation makes system accomplish zero release as the make up water of recirculating cooling water system.
The unit type that relates among the present invention all can be purchased according to wastewater treatment capacity.
For example:, produce coking chemical waste water 91m for producing 1700000 tons of scale coke-oven plants of coke per year
3/ h, recirculated water sewer 67m
3/ h, handling the water yield so is 158m
3/ h.Biochemical system adopts A/O internal recycle biological denitrificaion treatment technology, and biochemical treatment and MBR treat effluent amount are 158m
3/ h, water-quality COD Cr≤150mg/L, NH
3-N≤5mg/L, SS≤5mg/L, phenol≤0.5mg/L, prussiate≤0.5mg/L reach national comprehensive discharge secondary standard.And then through oxidation unit, finish the oxygenolysis that is difficult to pollutents such as biological degradation COD is handled, water outlet is after reverse osmosis feedwater pump and high-pressure pump series connection pressurization, enter reverse-osmosis membrane element, macromolecule contaminant in the water and being partly dissolved property solids content are separated in the concentrated solution, and reverse osmosis membrane assembly produces the water water-quality guideline and reaches CODCr≤20mg/L, phenol≤0.2mg/L, prussiate≤0.2mg/L, NH
3-N≤3mg/L, oil can not detect, SS can not detect, PH6.5～7.5, saltiness≤150mg/L, hardness≤10mg/L are (with CaCO
3Meter), satisfy " urban sewage reutilization one process water water quality " requirement (GB/T19923-2005) simultaneously.The reverse osmosis unit water production rate accounts for handles about 90% of the water yield, is 142m
3/ h is back to and produces clean circulating water system water as a supplement.Isolating concentrated solution accounts for handles about 10% of the water yield, is about 16m
3/ h adopts evaporative crystallization, and the crystalline solid can send the refuse tip, and the water of condensation that evaporation unit produces can be used as the make up water of recirculating cooling water system equally, makes system accomplish zero release.
Claims (9)
1. a coking wastewater deep treatment and full reclamation set comprise pretreatment system and biochemical treatment system, it is characterized in that: described device also comprises by membrane bioreactor, oxidization processing system and reverse osmosis membrane processing system and dense water evaporation and crystallization system;
Outlet through the coking chemical waste water after pre-treatment and the biochemical treatment is connected with described membrane bioreactor; The water outlet of described membrane bioreactor is connected with described oxidization processing system; The water outlet of described oxidization processing system is connected with high-pressure pump with the reverse osmosis feedwater pump successively, and the high-pressure pump water outlet is connected with described reverse osmosis membrane processing system;
A water outlet of described reverse osmosis membrane processing system is connected with described dense water evaporation and crystallization system; Another outlet of described reverse osmosis membrane processing system is connected with the reuse water tank.
2. coking wastewater deep treatment as claimed in claim 1 and full reclamation set is characterized in that: described pretreatment system comprises grease removal tank, equalizing tank and the flotation cell that connects successively; Biochemical treatment system comprises anaerobic pond, anoxic pond, Aerobic Pond and reflux sedimentation tank, and the water outlet in bio anaerobic pond joins by the water-in of anoxic pond, Aerobic Pond and reflux sedimentation tank and membrane bioreactor successively.
3. coking wastewater deep treatment as claimed in claim 1 and full reclamation set is characterized in that: described membrane bioreactor belongs to hollow fiber ultrafiltration membrane; The described membrane bioreactor work period is 3 minutes, 30 seconds intermittently, and required suction force be-0.01～-0.04MPa, filtering accuracy 0.5 μ m, the mistake water flux is 10～15L/m
2.hr.
4. coking wastewater deep treatment as claimed in claim 1 and full reclamation set is characterized in that: described oxidization processing system is the pneumatogen that contains ozone, hydrogen peroxide, chlorine or clorox.
5. coking wastewater deep treatment as claimed in claim 1 and full reclamation set is characterized in that: described reverse osmosis membrane filtration adopts two cover systems, and described two cover systems are connected in series.
6. coking wastewater deep treatment as claimed in claim 4 and full reclamation set is characterized in that: the described first cover reverse osmosis system operating pressure, 2～3.5MPa, filtering accuracy 0.001 μ m; The concentrated solution of the first cover reverse osmosis system enters the second cover reverse osmosis system, system works pressure 3.5～4.0Mpa; Final concentrated solution accounts for below 10% of the entire treatment water yield.
7. the application method of a coking wastewater deep treatment as claimed in claim 1 and full reclamation set is characterized in that this method comprises following processing step:
(1) pre-treatment: treatment facility comprises grease removal tank, flotation cell and equalizing tank, and the water inlet of coking chemical waste water is removed heavy oil and oil in water emulsion in the waste water through grease removal tank, flotation cell and equalizing tank, regulates the ununiformity of the various coking chemical waste water water yields and water quality;
(2) biochemical treatment: treatment facility comprises anaerobic pond, anoxic pond, Aerobic Pond and reflux sedimentation tank, and the water outlet in bio anaerobic pond joins by the water-in of anoxic pond, Aerobic Pond and reflux sedimentation tank and MBR membrane bioreactor successively;
(3) Membrane Bioreactor for Wastewater Treatment: belong to the hollow fiber ultrafiltration membrane of immersion, all kinds of bacterial classifications of its efficient crown_interception are effectively removed corresponding pollutent, and avoid the loss of mud;
(4) oxide treatment: ozone, hydrogen peroxide, chlorine or clorox are adopted in oxidation, and the organism in the intensive oxidative degradation water reduces chemical oxygen demand, colourity in the waste water;
(5) reverse osmosis membrane processing: reverse osmosis membrane filtration adopts two cover systems, and described two cover systems are connected in series, the described first cover reverse osmosis system operating pressure, 2～3.5MPa, filtering accuracy 0.001 μ m; The concentrated solution of the first cover reverse osmosis system enters the second cover reverse osmosis system, system works pressure 3.5～4.0Mpa; Final concentrated solution accounts for below 10% of the entire treatment water yield;
(6) dense water evaporative crystallization is handled: the concentrated solution after the reverse osmosis membrane processing utilizes evaporative crystallization, and the water of condensation makes system accomplish zero release as the make up water of recirculating cooling water system.
8. preferred ozone of oxygenant or hydrogen peroxide in the application method of a coking wastewater deep treatment as claimed in claim 7 and full reclamation set, described step (4); When adopting chlorine or clorox, need before reverse osmosis, add sodium bisulfite or S-WAT neutralizes, to protect reverse osmosis membrane.
9. coking wastewater deep treatment according to claim 7 and full reclamation set is characterized in that: described coking chemical waste water working temperature is 18～30 ℃;
Described anaerobic pond has related parameter to be: hydraulic detention time 8～12h, P are 1mg/L, and water temperature is 30 ℃;
Described anoxic pond has related parameter: hydraulic detention time 16～20h, sewage backflow are than 2～3 times, and P is 1mg/L, 25～30 ℃ of water temperatures, pH value 7～8;
Described Aerobic Pond has related parameter: hydraulic detention time 32～36h, and 2～3 times of return sludge ratios, water outlet phosphorus content 0.5～1mg/L, 25～30 ℃ of water temperatures, PH 7～8, dissolved oxygen 2～4mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010204363A CN101851046B (en) | 2010-06-21 | 2010-06-21 | Device for deep treatment and complete recovery of coking wastewater and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010204363A CN101851046B (en) | 2010-06-21 | 2010-06-21 | Device for deep treatment and complete recovery of coking wastewater and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101851046A true CN101851046A (en) | 2010-10-06 |
| CN101851046B CN101851046B (en) | 2012-10-03 |
Family
ID=42802763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010204363A Expired - Fee Related CN101851046B (en) | 2010-06-21 | 2010-06-21 | Device for deep treatment and complete recovery of coking wastewater and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101851046B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616987A (en) * | 2012-03-22 | 2012-08-01 | 北京能泰高科环保技术股份有限公司 | System and method for treatment and recycling of coking phenol-cyanogen wastewater |
| CN102786189A (en) * | 2012-08-29 | 2012-11-21 | 天津天智精细化工有限公司 | Reclaimed water reuse system for sewage treatment |
| CN103288309A (en) * | 2013-07-01 | 2013-09-11 | 大唐国际化工技术研究院有限公司 | Coal gasification wastewater zero-emission treatment method, treatment system and application thereof |
| CN103553269A (en) * | 2013-10-31 | 2014-02-05 | 北京清大国华环保科技有限公司 | Method and device for treating and recycling semi-coke wastewater |
| CN104030517A (en) * | 2013-03-06 | 2014-09-10 | 上海凯鑫分离技术有限公司 | Advanced treatment recovery technology of coking wastewater |
| CN104129882A (en) * | 2014-08-25 | 2014-11-05 | 成都美富特膜科技有限公司 | Novel treatment technology of high-concentration industrial wastewater |
| CN104326612A (en) * | 2014-10-24 | 2015-02-04 | 南京科盛环保科技有限公司 | Method and system for recovering salt from waste water treatment system |
| CN105884089A (en) * | 2016-07-04 | 2016-08-24 | 山东中移能节能环保科技股份有限公司 | Advanced treatment and recycling process for coking wastewater |
| CN106007212A (en) * | 2016-07-11 | 2016-10-12 | 佛山杰致信息科技有限公司 | Composite type biological decomposition membrane sewage treating system |
| CN108623084A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of advanced treatment and reclamation method of gas field output water |
| CN108623081A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of gas field output water reduces reuse method |
| CN108623080A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of gas field output water reduces reuse method |
| CN108623082A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of recycling processing method of gas field output water |
| CN108623083A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of advanced treatment and reclamation method of gas field output water |
| CN108911238A (en) * | 2018-07-13 | 2018-11-30 | 山西太钢不锈钢股份有限公司 | A kind of continuous casting secondary cooling water adding of agent method |
| CN109626727A (en) * | 2018-12-25 | 2019-04-16 | 苏州依斯倍环保装备科技有限公司 | A kind of Zero discharge treatment method and system machining waste water |
| CN110316869A (en) * | 2019-07-17 | 2019-10-11 | 青岛沃赛海水淡化科技有限公司 | A kind of processing method and system of garbage loading embeading penetrating fluid |
| CN112573769A (en) * | 2020-12-09 | 2021-03-30 | 江苏鲲鹏环保工程技术有限公司 | High-efficiency treatment device and treatment method for industrial coking coal wastewater |
| CN112919735A (en) * | 2021-01-26 | 2021-06-08 | 北京今大禹环境技术股份有限公司 | Coking wastewater advanced treatment and evaporative crystallization zero discharge system |
| CN112919734A (en) * | 2021-01-26 | 2021-06-08 | 北京今大禹环境技术股份有限公司 | Coking wastewater deep treatment and evaporative crystallization zero-discharge process |
| WO2022071153A1 (en) * | 2020-09-30 | 2022-04-07 | 日東電工株式会社 | Method for treating oil-containing drainage water |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008155080A (en) * | 2006-12-21 | 2008-07-10 | Hitachi Ltd | Sewage treatment apparatus and method |
| CN101219842A (en) * | 2008-02-02 | 2008-07-16 | 张大群 | Technique and equipment for recycling leachate of garbage |
| CN101428945A (en) * | 2008-12-15 | 2009-05-13 | 上海埃梯梯恒通先进水处理有限公司 | Method and apparatus for treating and recycling carbonized wastewater |
-
2010
- 2010-06-21 CN CN201010204363A patent/CN101851046B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008155080A (en) * | 2006-12-21 | 2008-07-10 | Hitachi Ltd | Sewage treatment apparatus and method |
| CN101219842A (en) * | 2008-02-02 | 2008-07-16 | 张大群 | Technique and equipment for recycling leachate of garbage |
| CN101428945A (en) * | 2008-12-15 | 2009-05-13 | 上海埃梯梯恒通先进水处理有限公司 | Method and apparatus for treating and recycling carbonized wastewater |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616987A (en) * | 2012-03-22 | 2012-08-01 | 北京能泰高科环保技术股份有限公司 | System and method for treatment and recycling of coking phenol-cyanogen wastewater |
| CN102786189A (en) * | 2012-08-29 | 2012-11-21 | 天津天智精细化工有限公司 | Reclaimed water reuse system for sewage treatment |
| CN104030517A (en) * | 2013-03-06 | 2014-09-10 | 上海凯鑫分离技术有限公司 | Advanced treatment recovery technology of coking wastewater |
| CN104030517B (en) * | 2013-03-06 | 2016-03-23 | 上海凯鑫分离技术有限公司 | The advanced treatment recovery process of coking chemical waste water |
| CN103288309A (en) * | 2013-07-01 | 2013-09-11 | 大唐国际化工技术研究院有限公司 | Coal gasification wastewater zero-emission treatment method, treatment system and application thereof |
| CN103288309B (en) * | 2013-07-01 | 2014-11-19 | 大唐国际化工技术研究院有限公司 | Coal gasification wastewater zero-emission treatment method, and application thereof |
| CN103553269A (en) * | 2013-10-31 | 2014-02-05 | 北京清大国华环保科技有限公司 | Method and device for treating and recycling semi-coke wastewater |
| CN104129882A (en) * | 2014-08-25 | 2014-11-05 | 成都美富特膜科技有限公司 | Novel treatment technology of high-concentration industrial wastewater |
| CN104326612A (en) * | 2014-10-24 | 2015-02-04 | 南京科盛环保科技有限公司 | Method and system for recovering salt from waste water treatment system |
| CN104326612B (en) * | 2014-10-24 | 2016-03-09 | 南京科盛环保科技有限公司 | A kind of method and system reclaiming salt from Waste Water Treatment |
| CN105884089A (en) * | 2016-07-04 | 2016-08-24 | 山东中移能节能环保科技股份有限公司 | Advanced treatment and recycling process for coking wastewater |
| CN106007212A (en) * | 2016-07-11 | 2016-10-12 | 佛山杰致信息科技有限公司 | Composite type biological decomposition membrane sewage treating system |
| CN108623084A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of advanced treatment and reclamation method of gas field output water |
| CN108623081A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of gas field output water reduces reuse method |
| CN108623080A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of gas field output water reduces reuse method |
| CN108623082A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of recycling processing method of gas field output water |
| CN108623083A (en) * | 2017-03-23 | 2018-10-09 | 中国石油化工股份有限公司 | A kind of advanced treatment and reclamation method of gas field output water |
| CN108911238A (en) * | 2018-07-13 | 2018-11-30 | 山西太钢不锈钢股份有限公司 | A kind of continuous casting secondary cooling water adding of agent method |
| CN109626727A (en) * | 2018-12-25 | 2019-04-16 | 苏州依斯倍环保装备科技有限公司 | A kind of Zero discharge treatment method and system machining waste water |
| CN110316869A (en) * | 2019-07-17 | 2019-10-11 | 青岛沃赛海水淡化科技有限公司 | A kind of processing method and system of garbage loading embeading penetrating fluid |
| WO2022071153A1 (en) * | 2020-09-30 | 2022-04-07 | 日東電工株式会社 | Method for treating oil-containing drainage water |
| CN112573769A (en) * | 2020-12-09 | 2021-03-30 | 江苏鲲鹏环保工程技术有限公司 | High-efficiency treatment device and treatment method for industrial coking coal wastewater |
| CN112573769B (en) * | 2020-12-09 | 2022-09-13 | 江苏鲲鹏环保工程技术有限公司 | High-efficiency treatment device and treatment method for industrial coking coal wastewater |
| CN112919735A (en) * | 2021-01-26 | 2021-06-08 | 北京今大禹环境技术股份有限公司 | Coking wastewater advanced treatment and evaporative crystallization zero discharge system |
| CN112919734A (en) * | 2021-01-26 | 2021-06-08 | 北京今大禹环境技术股份有限公司 | Coking wastewater deep treatment and evaporative crystallization zero-discharge process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101851046B (en) | 2012-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101851046B (en) | Device for deep treatment and complete recovery of coking wastewater and application method thereof | |
| CN201817357U (en) | Full-reuse treatment device for coking wastewater through Fenton oxidation and double-membrane process | |
| CN201817356U (en) | Coking wastewater advanced treatment and reuse device by using ozone, active carbon and double-membrane process | |
| CN101209886B (en) | Advanced treatment recycling technique of urban sewage | |
| CN101088941A (en) | Technological process of treating papermaking effluent for reuse based on membrane integrating technique | |
| CN103288309A (en) | Coal gasification wastewater zero-emission treatment method, treatment system and application thereof | |
| CN103159381A (en) | Fine chemical wastewater treatment and reuse method | |
| CN107739124B (en) | Zero-discharge treatment method for coking wastewater | |
| CN100374380C (en) | Treatment of biological reactor for coking sewage membrane | |
| CN204058193U (en) | A kind of garbage percolation liquid treating system | |
| CN101723551B (en) | Coking wastewater recycling treatment method | |
| CN103663849A (en) | Method for treating papermaking wastewater based on combined process including integrated membrane technology and advanced oxidation technology | |
| CN102616987A (en) | System and method for treatment and recycling of coking phenol-cyanogen wastewater | |
| CN104030517A (en) | Advanced treatment recovery technology of coking wastewater | |
| CN101643298A (en) | Organic wastewater treatment process containing membrane filtration element | |
| CN208136047U (en) | A kind of coking wastewater processing system | |
| CN201901623U (en) | Device for advanced treatment and complete recycle of coking waste water | |
| CN101723550B (en) | System for treating recycling of coking wastewater | |
| CN107935300B (en) | Process device and method for treating landfill leachate by non-membrane method | |
| CN201990563U (en) | Integrated equipment used for advanced treatment of coking wastewater | |
| CN209113686U (en) | A kind of combination unit handling hc effluent with high salt | |
| Zhao et al. | Integrated coagulation-trickling filter–ultrafiltration processes for domestic wastewater treatment and reclamation | |
| CN215517086U (en) | Leachate treatment system for garbage transfer station | |
| CN109205943A (en) | A kind of processing method of pharmacy waste water | |
| CN209740908U (en) | Concentrated retrieval and utilization device of application waste water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20180621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |