CN107381850A - A kind of system and method for handling shale refinery(waste) water - Google Patents

A kind of system and method for handling shale refinery(waste) water Download PDF

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Publication number
CN107381850A
CN107381850A CN201710654310.9A CN201710654310A CN107381850A CN 107381850 A CN107381850 A CN 107381850A CN 201710654310 A CN201710654310 A CN 201710654310A CN 107381850 A CN107381850 A CN 107381850A
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water
oil
waste
ammonia nitrogen
refinery
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杨继状
智锁红
丁超
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Shaoxing Qi Ying Membrane Technology Co Ltd
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Shaoxing Qi Ying Membrane Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/28Ammonium phosphates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/24Sulfates of ammonium
    • C01C1/242Preparation from ammonia and sulfuric acid or sulfur trioxide
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/78Treatment of water, waste water, or sewage by oxidation with ozone
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/365Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/02Specific form of oxidant
    • C02F2305/026Fenton's reagent

Abstract

The invention discloses a kind of system for handling shale refinery(waste) water, mainly include oil removal by air bubbling pretreatment unit, water-oil separating film device, depth degreasing unit and ammonia nitrogen handling arrangement, oil removal by air bubbling pretreatment unit, water-oil separating film device, depth degreasing unit and ammonia nitrogen handling arrangement are sequentially connected in series, and the delivery port of ammonia nitrogen handling arrangement is connected with biochemical treatment apparatus;Water-oil separating film device is connected with depth degreasing unit, the water inlet of water-oil separating film device connects with the delivery port of oil removal by air bubbling pretreatment unit, the delivery port of the water inlet connection water-oil separating film device of depth degreasing unit, the delivery port of depth degreasing unit are connected with the water inlet of ammonia nitrogen handling arrangement.

Description

A kind of system and method for handling shale refinery(waste) water
Technical field
The invention belongs to refinery(waste) water process field, and in particular to a kind of system and method for handling shale refinery(waste) water.
Background technology
Shale refinery(waste) water is mainly derived from destructive distillation basin waste water, gas dehydration, cooling system waste water, washing system waste water And a small amount of sanitary sewage.Due to the uniqueness of oil shale retorting process, cause in waste water containing substantial amounts of oil, sulfide, cyanogen Compound, volatile phenol, ammonia nitrogen and other noxious materials, its COD content is higher, and hard-degraded substance is more.Ammonia nitrogen in these waste water Content is higher, oil content and COD contents all severe overweights, such as directly discharges, can cause the pollution of environment water.This kind is given up at present The processing system of water includes pretreatment system for sewage and body processing system, and main technique includes oil partiting precipitation pool, stripping pond, broken Newborn grease removal tank, anaerobic tower, A/O ponds and second pond.But it is unstable due to influent quality, oily treatment effect is unstable, enters It is higher to enter oil mass and the COD contents of biochemistry pool, while caused VOC gas pollute the environment in processing procedure.
The A patents of Publication No. CN 105923901 disclose a kind of synchronization process oil shale composite waste and garbage filter The method and system of liquid.This method comprises the following steps:First with oil removal precipitation, the processing of cavitation air flotation, air-dissolving air-float, go The suspension and oily substance in oil shale composite waste after being adjusted except regulating reservoir;Then the oil shale after processing is mixed Waste water is well mixed with percolate according to predetermined ratio;Composite waste is finally added to activated sludge system, exposed Gas biochemical treatment, remove ammonia nitrogen, the pollutant such as organic matter in waste water.The process pretreatment system existing defects, oil content is very It is easily exceeded.
Article《The case history of SDN PROCESS FOR TREATMENT shale refinery(waste) waters》Disclose a kind of processing of shale oil refinery waste water Technique, processing system include pretreatment system for sewage and body processing system, main technique include oil partiting precipitation pool, stripping pond, Breaking milk and removing oil pond, anaerobic tower, A/O ponds and second pond.But it is unstable due to influent quality, oily treatment effect is unstable, Oil mass and COD contents into biochemistry pool is higher, while caused VOC gas pollute the environment in processing procedure.
Following point be present in processing of the prior art to shale refinery(waste) water:
(1) using oil interceptor and simple air supporting result often due to the limitation of method, removal stone that can not be fully effective Oil impurities, when entering biochemistry pool in real process, the oil content of waste water is often exceeded.
(2) process except ammonia is carried out using stripping mode, substantial amounts of ammonia pollution environment can be produced.
(3) the Ammonia recovery poor effect of actual output, causes the wasting of resources;
The content of the invention
In order to overcome the drawbacks described above of prior art, the invention provides a kind of system for handling shale refinery(waste) water.
A kind of system for handling shale refinery(waste) water, it is characterised in that the main oil removal by air bubbling for including being sequentially connected in series is located in advance Manage device, water-oil separating film device, depth degreasing unit and ammonia nitrogen handling arrangement;Water-oil separating film device is connected with depth oil removing Device, the water inlet of water-oil separating film device connect with the delivery port of oil removal by air bubbling pretreatment unit, and depth degreasing unit enters The mouth of a river connects the delivery port of water-oil separating film device, the delivery port of depth degreasing unit and the water inlet phase of ammonia nitrogen handling arrangement Even.
In above-mentioned Waste Water Treatment, oil component (recycling) is removed using air supporting pretreatment unit and enters profit afterwards Separation membrane device, further oil removing;Water outlet after the processing of water-oil separating film device enters depth degreasing unit, continues to remove dissolving Oil in waste water;Then water outlet enters ammonia nitrogen device progress deamination, and the ammonia of abjection is absorbed with absorbing liquid.
Preferably, depth degreasing unit is resin adsorption device or oxidation unit.Further, the oxidation unit can be with It is one kind in Fenton oxidation device, light electrolysis oxidation unit, ozone-oxidizing device.Wherein, resin adsorption device includes tree Fat regenerating unit, oxidation unit include flocculation and/or filter.
Preferably, above-mentioned Waste Water Treatment also includes biochemical treatment apparatus, the water outlet of ammonia nitrogen handling arrangement enters life Change processing unit and carry out biochemical advanced treating, water outlet reaches reuse standard.
Further, the water-oil separationg film that water-oil separating film device uses for high rejection and big flux type milipore filter, The core component of ammonia nitrogen handling arrangement is hollow-fibre membrane.Wherein, high rejection refers to:For molecular weight be 5000 material, Rejection is more than 97%;Big flux refers to:Flux is more than 40-50L/m2·h。
Present invention also offers a kind of method for handling shale refinery(waste) water, it is characterised in that comprises the following steps:
(1) system that processing shale refinery(waste) water is provided:The oil removal by air bubbling that the system mainly includes being sequentially connected in series is located in advance Manage device, water-oil separating film device, depth degreasing unit and ammonia nitrogen handling arrangement;Water-oil separating film device is connected with depth oil removing Device, the water inlet of water-oil separating film device connect with the delivery port of oil removal by air bubbling pretreatment unit, and depth degreasing unit enters The mouth of a river connects the delivery port of water-oil separating film device, the delivery port of depth degreasing unit and the water inlet phase of ammonia nitrogen handling arrangement Even;
(2) pre-process:Medicament pretreatment, flocculation sediment suspension, pretreated waste water are added in shale refinery(waste) water Handled by air-float degreasing device, remove oil slick and suspension in waste water;
(3) oil removing:Water outlet after air-float degreasing device processing enters water-oil separating film device, the oil further gone in water removal And suspension;Water outlet after water-oil separating film process enters depth degreasing unit, continues to remove the oil molecule being dissolved in waste water;
(4) ammonia nitrogen removal:The water outlet of depth degreasing unit enters ammonia nitrogen handling arrangement and carries out deamination, obtains treatment fluid, deviates from Ammonia using acid be used as absorbing liquid, obtain ammonium salt solution;
Shale refinery(waste) water is mainly derived from waste water caused by 12-75mm shale retorting, and water quality index is ammonia-nitrogen content 4000-6300mg/L, COD content 4000-6500mg/L, petroleum content 200-1000mg/L, SO4 2-:800~2000mg/L, CL-:500~1000mg/L, TDS:1000~5000mg/L.
Further, in step (2), coagulating sedimentation agent, dosage 10-1000mg/ are added into shale refinery(waste) water L.Concentration of heavy metal ion can be down to by below 1mg/L by oil removal by air bubbling pretreatment.Described coagulating sedimentation agent be PAC, One or more in PAM, PFS, PFC, PAS, PSAA, PFSS, PPFC, PPAC, PSF, PAFCS, microbial flocculant etc..Step Suddenly in (3), the water-oil separationg film that water-oil separating film device uses, further will be useless for the milipore filter of high rejection and big flux type Oil slick, omission particulate matter, most colloidality particle in water remove, and ensure the safety of deamination film;By ultrafiltration membrane treatment Afterwards, the SDI of water-oil separationg film processor water outlet is controlled<5.Water outlet after the processing of water-oil separating film device fills into depth oil removing Put, continue to remove the oil being dissolved in waste water.
In step (3), depth oil removing uses resin adsorption or oxidizing process, the wherein optional light electrolysis of oxidizing process, catalytic wet One kind in oxidation.Catalytic wet oxidation can be one kind in Fenton oxidation, fenton-type reagent, photochemical catalytic oxidation.Step Suddenly in (4), the pH for adjusting the water outlet of depth degreasing unit is more than 9, and absorption liquid pH is less than 2;The core component of ammonia nitrogen handling arrangement For hollow-fibre membrane.Waste water walks tube side, and absorbing liquid walks shell side, and waste water operations temperature is 40-80 DEG C, and absorbing liquid temperature is normal temperature. The present invention is using acid solution as absorbing liquid, and the concentration of caused ammonium salt is between 20%-30%;When absorption liquid pH is more than 2 Concentrated acid need to be added.Preferably, described acid is one kind in sulfuric acid, nitric acid, phosphoric acid etc..
Caused ammonium salt solution prepares ammonium salt by evaporation and concentration in step (4), it is preferred to use MVR evaporators are steamed Hair, to prevent acid ammonium salt solution from corroding to the irreversibility of evaporator, re-evaporation after ammonium salt solution is adjusted to neutrality.
Preferably, the delivery port of ammonia nitrogen handling arrangement is connected with biochemical treatment apparatus, the treatment fluid that step (4) obtains leads to Biochemical advanced treating is crossed, controls the ammonia-nitrogen content of biochemical water inlet to be less than 200mg/L, petroleum content is less than 10mg/L.
Compared with prior art, beneficial effects of the present invention:
(1) air supporting of shallow-layer ion, water-oil separating film device and the depth degreasing unit that the present invention uses, can be by waste water Oil content be reduced to below 10mg/L.
(2) present invention removes ammonia nitrogen in waste water using membrane separation technique, and ammonia nitrogen removal efficiency is more than 95%, more than current The efficiency of stripping process, raw water operating temperature is at 40 DEG C, and energy consumption is low, and operating cost is low.
(3) waste water is after ammonia nitrogen handling arrangement is handled, the ammonia-nitrogen content 100-200mg/L in remaining water, in waste water Mineralized nitrogen is 30% or so ammonium salt solution;
(4) MVR evaporative crystallizations are used, pure ammonium salt solid is obtained, sewage has been accomplished into recycling;
(5) air supporting, water-oil separating film device and depth degreasing unit are passed through, the wastewater oil that can ensure into biochemistry pool contains Amount discharge is not exceeded;
(6) MVR recycling condensing waters as pretreatment unit, water-oil separating film device, ammonia nitrogen handling arrangement wash water, accomplish The recycling of water.
Brief description of the drawings
Fig. 1 is shale refinery(waste) water handling process schematic diagram.
Embodiment
Embodiment 1
Shale refinery(waste) water system is handled, mainly includes shallow-layer ion air supporting pretreatment unit, water-oil separating film device, tree Fat adsorption and regeneration device and ammonia nitrogen handling arrangement.The water-oil separationg film that water-oil separating film device uses is high rejection and big flux The milipore filter of type.The core component of ammonia nitrogen handling arrangement is hollow-fibre membrane.
Shallow-layer ion oil removal by air bubbling pretreatment unit, water-oil separating film device, resin adsorption regenerating unit and NH_3-N treating Device is sequentially connected in series, and the delivery port of ammonia nitrogen handling arrangement is connected with biochemical reaction tank;Water-oil separating film device is connected with resin suction Attached regenerating unit, the water inlet of water-oil separating film device connect with the delivery port of oil removal by air bubbling pretreatment unit, and resin adsorption is again The delivery port of the water inlet connection water-oil separating film device of generating apparatus, delivery port and the NH_3-N treating of resin adsorption regenerating unit fill The water inlet put is connected.Ammonia nitrogen handling arrangement connects MVR evaporators.
Shale refinery(waste) water handling process as shown in Figure 1, including step:
(1) pre-process:Medicament pretreatment, flocculation sediment suspension are added in shale refinery(waste) water.Pretreated waste water Handled by air-float degreasing device, remove oil slick and suspension in waste water.
(2) water-oil separating:Water outlet after air-float degreasing device processing enters water-oil separating film device, further goes in water removal Oil and suspension;Water outlet after water-oil separating film process enters resin adsorption regenerating unit, continues the oil molecule in water removal.
(3) ammonia nitrogen removal:The water outlet of resin adsorption regenerating unit enters ammonia nitrogen handling arrangement and carries out deamination, is made using dilute sulfuric acid For absorbing liquid, ammonium sulfate is obtained.
(4) biochemical treatment:The water outlet of ammonia nitrogen handling arrangement enters biochemical treatment apparatus and carries out biochemical advanced treating, so that Water outlet reaches reuse standard.
Embodiment 2
In shale oil plant composite waste, ammonia-nitrogen content 4300mg/L, COD content 4000mg/L, petroleum content 600mg/L, SO4 2-:800mg/L、Cl-:500mg/L、TDS:2000mg/L.
(1) shallow-layer ion air supporting:By the pneumatically supported processing of shallow-layer ion, the oil component in waste water is effectively removed, Oil content is less than 20mg/L in remaining water.Residence time is 3min, and air supporting tank depth is 3m;100mg/L is added while air supporting Coagulating sedimentation agent PPAC and PAM, the zinc ion content in processed waste water are less than 0.3mg/L.
(3) water-oil separating is handled:Enter water-oil separationg film by pretreated waste water, by water-oil separating membrane filtration Afterwards, ammonia-nitrogen content 4000mg/L, COD the content 3000mg/L in fresh water, petroleum content are less than 40mg/L, TDS:2000mg/ L, SS<5mg/L.SDI=4;Water outlet after water-oil separating film process enters resin adsorption device, the ammonia-nitrogen content in water outlet 3500mg/L, COD content 1500mg/L, petroleum content are less than 10mg/L, TDS:1000mg/L, SS<5mg/L.
(4) deamination nitrogen system:The pH value of the water outlet of resin adsorption regenerating unit is adjusted to 10, and is heated to 40 DEG C, is entered Enter ammonia nitrogen handling arrangement and carry out deamination, the mineralized nitrogen in waste water is 30% or so ammonium phosphate solution, is filled by NH_3-N treating Put the ammonia-nitrogen content 20mg/L of the water outlet after processing.
(5) evaporative crystallization:30% or so ammonium phosphate solution of ammonia nitrogen handling arrangement output is subjected to MVR evaporative crystallizations, White ammonium phosphate solid is obtained, condensate liquid is substantially free of COD, ammonia nitrogen, and condensate liquid is used for pretreatment system, profit as recycle-water Separation membrane device, resin adsorption regenerating unit and ammonia nitrogen handling arrangement;
(6) biochemical degradation:Waste water after step (2) ammonia nitrogen removal enters biochemistry pool, and through surveying, ammonia nitrogen is less than for obtained water outlet 15mg/L, COD content≤60mg/L, it is fully able to the requirement for meeting reuse or discharge.
Embodiment 3
Compared with Example 2, depth degreasing unit uses Fenton oxidation device, other all sames.
In shale oil plant composite waste, ammonia-nitrogen content 4300mg/L, COD content 4000mg/L, petroleum content 600mg/L, SO4 2-:800mg/L、Cl-:500mg/L、TDS:2000mg/L.
(1) shallow-layer ion air supporting:By the pneumatically supported processing of shallow-layer ion, the oil component in waste water is effectively removed, Oil content is less than 40mg/L in remaining water.Residence time is 2min, and air supporting tank depth is 2m;100mg/L is added while air supporting Coagulating sedimentation agent PFC and PAM, the zinc ion content in processed waste water are respectively less than 0.3mg/L.
(3) water-oil separating is handled:Enter water-oil separationg film by pretreated waste water, by water-oil separating membrane filtration Afterwards, ammonia-nitrogen content 4000mg/L, COD the content 3000mg/L in fresh water, petroleum content are less than 40mg/L, TDS:2000mg/ L, SS<5mg/L.SDI=4;Water outlet after water-oil separating film process enters Fenton oxidation device, the ammonia-nitrogen content in water outlet 3500mg/L, COD content 1500mg/L, petroleum content are less than 10mg/L, TDS:1000mg/L, SS<5mg/L.
(4) deamination nitrogen system:The pH value of the water outlet of Fenton oxidation device is adjusted to 13, and is heated to 30 DEG C, is entered Ammonia nitrogen handling arrangement carries out deamination, and the mineralized nitrogen in waste water is 30% or so ammonium phosphate solution, by ammonia nitrogen handling arrangement The ammonia-nitrogen content 20mg/L of water outlet after processing.
(5) evaporative crystallization:30% or so ammonium phosphate solution of ammonia nitrogen handling arrangement output is subjected to MVR evaporative crystallizations, White ammonium phosphate solid is obtained, condensate liquid is substantially free of COD, ammonia nitrogen, and condensate liquid is used for pretreatment system, profit as recycle-water Separation membrane device, resin adsorption regenerating unit and ammonia nitrogen handling arrangement;
(6) biochemical degradation:Waste water after step (2) ammonia nitrogen removal enters biochemistry pool, and through surveying, ammonia nitrogen is less than for obtained water outlet 15mg/L, COD content≤60mg/L, it is fully able to the requirement for meeting reuse or discharge.
Embodiment 4
Compared with Example 2, depth degreasing unit uses light electrolysis-Fenton oxidation device, other all sames.
In shale oil plant composite waste, ammonia-nitrogen content 4300mg/L, COD content 4000mg/L, petroleum content 600mg/L, SO4 2-:800mg/L、Cl-:500mg/L、TDS:2000mg/L.
(1) shallow-layer ion air supporting:By the pneumatically supported processing of shallow-layer ion, the oil component in waste water is effectively removed, Oil content is less than 80mg/L in remaining water.Residence time is 1min, and air supporting tank depth is 0.5m;50mg/L is added while air supporting Coagulating sedimentation agent PAM, the zinc ion content in processed waste water are respectively less than 0.6mg/L.
(3) water-oil separating is handled:Enter water-oil separationg film by pretreated waste water, by water-oil separating membrane filtration Afterwards, ammonia-nitrogen content 4000mg/L, COD the content 3200mg/L in fresh water, petroleum content are less than 40mg/L, TDS:2000mg/ L, SS<5mg/L.SDI=4;Water outlet after water-oil separating film process enters light electrolysis-Fenton oxidation device, the ammonia in water outlet Nitrogen content 3600mg/L, COD content 800mg/L, petroleum content are less than 10mg/L, TDS:1000mg/L, SS<5mg/L.
(4) deamination nitrogen system:The pH value of the water outlet of light electrolysis-Fenton oxidation device is adjusted to 14, and is heated to 45 DEG C, deamination is carried out into ammonia nitrogen handling arrangement, the mineralized nitrogen in waste water is 30% or so ammonium sulfate, at ammonia nitrogen Manage the ammonia-nitrogen content 15mg/L of the water outlet after device processing.
(5) evaporative crystallization:30% or so ammonium sulfate of ammonia nitrogen handling arrangement output is subjected to MVR evaporative crystallizations, White ammonium phosphate solid is obtained, condensate liquid is substantially free of COD, ammonia nitrogen, and condensate liquid is used for pretreatment system, profit as recycle-water Separation membrane device, resin adsorption regenerating unit and ammonia nitrogen handling arrangement;
(6) biochemical degradation:Waste water after step (2) ammonia nitrogen removal enters biochemistry pool, and through surveying, ammonia nitrogen is less than for obtained water outlet 10mg/L, COD content≤40mg/L, it is fully able to the requirement for meeting reuse or discharge.

Claims (10)

  1. A kind of 1. system for handling shale refinery(waste) water, it is characterised in that the main oil removal by air bubbling pretreatment for including being sequentially connected in series Device, water-oil separating film device, depth degreasing unit and ammonia nitrogen handling arrangement;Water-oil separating film device is connected with depth oil removing dress Put, the water inlet of water-oil separating film device connects with the delivery port of oil removal by air bubbling pretreatment unit, the water inlet of depth degreasing unit The delivery port of mouth connection water-oil separating film device, the delivery port of depth degreasing unit are connected with the water inlet of ammonia nitrogen handling arrangement.
  2. 2. the system of processing shale refinery(waste) water according to claim 1, it is characterised in that water-oil separating film device uses Water-oil separationg film for high rejection and big flux type milipore filter.
  3. 3. the system of processing shale refinery(waste) water according to claim 1, it is characterised in that depth degreasing unit is resin One or both of adsorbent equipment or oxidation unit.
  4. 4. the system of processing shale refinery(waste) water according to claim 1, it is characterised in that the core of ammonia nitrogen handling arrangement Part is hollow-fibre membrane;The delivery port of ammonia nitrogen handling arrangement is connected with biochemical treatment apparatus.
  5. A kind of 5. method for handling shale refinery(waste) water, it is characterised in that comprise the following steps:
    (1) system that processing shale refinery(waste) water is provided:The system mainly includes the oil removal by air bubbling pretreatment dress being sequentially connected in series Put, water-oil separating film device, depth degreasing unit and ammonia nitrogen handling arrangement;Water-oil separating film device is connected with depth oil removing dress Put, the water inlet of water-oil separating film device connects with the delivery port of oil removal by air bubbling pretreatment unit, the water inlet of depth degreasing unit The delivery port of mouth connection water-oil separating film device, the delivery port of depth degreasing unit are connected with the water inlet of ammonia nitrogen handling arrangement;
    (2) pre-process:Medicament pretreatment is added in shale refinery(waste) water, flocculation sediment removes suspension, pretreated waste water Handled by air-float degreasing device, remove oil slick and suspension in waste water;
    (3) oil removing:Water outlet after air-float degreasing device processing enters water-oil separating film device, further goes oily and outstanding in water removal Float;Water outlet after water-oil separating film process enters depth degreasing unit, continues to remove the oil molecule being dissolved in waste water;
    (4) ammonia nitrogen removal:The water outlet of depth degreasing unit obtains treatment fluid into ammonia nitrogen handling arrangement deamination, and the ammonia of abjection is using acid Property solution obtains salting liquid as absorbing liquid.
  6. 6. the method for processing shale refinery(waste) water according to claim 5, it is characterised in that in step (2), refined to shale Coagulating sedimentation agent, dosage 10-1000mg/L are added in oily waste water.
  7. 7. the method for processing shale refinery(waste) water according to claim 5, it is characterised in that in step (3), water-oil separating The water-oil separationg film that film device uses controls water outlet after water-oil separating film process for the milipore filter of high rejection and big flux type SDI<5。
  8. 8. the method for processing shale refinery(waste) water according to claim 5, it is characterised in that in step (4), adjust depth The pH of the water outlet of degreasing unit is more than 9, and absorption liquid pH is less than 2;The core component of ammonia nitrogen handling arrangement is hollow-fibre membrane.
  9. 9. the method for processing shale refinery(waste) water according to claim 5, it is characterised in that in step (4), obtained ammonium Salting liquid is adjusted to neutrality, and ammonium salt is prepared using the concentration of MVR evaporator evaporations.
  10. 10. the method for processing shale refinery(waste) water according to claim 5, it is characterised in that ammonia nitrogen handling arrangement goes out The mouth of a river is connected with biochemical treatment apparatus, and the treatment fluid that step (4) obtains carries out biochemical treatment, the ammonia nitrogen of control biochemical treatment water inlet Content is less than 200mg/L, and petroleum content is less than 10mg/L.
CN201710654310.9A 2017-08-03 2017-08-03 A kind of system and method for handling shale refinery(waste) water Pending CN107381850A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108358390A (en) * 2018-02-11 2018-08-03 北京理工大学珠海学院 A kind of method of biochemical process processing oil shale production waste water
CN108862935A (en) * 2018-08-10 2018-11-23 浙江奇彩环境科技股份有限公司 Oil-refining chemical wastewater treatment method
CN110550816A (en) * 2019-07-30 2019-12-10 烟台云沣生态环境产业发展股份有限公司 Offshore drilling platform sewage treatment device and treatment process

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201817357U (en) * 2010-06-21 2011-05-04 吴静璇 Full-reuse treatment device for coking wastewater through Fenton oxidation and double-membrane process
CN102718363A (en) * 2012-06-21 2012-10-10 浙江晶泉水处理设备有限公司 Coking wastewater comprehensive treatment method and system thereof
CN103232135A (en) * 2013-04-12 2013-08-07 北京万邦达环保技术股份有限公司 Treatment system and treatment method for coal-to-liquid wastewater
CN103896448A (en) * 2012-12-26 2014-07-02 天津市庆安特种设备研发有限公司 Novel process of rock debris wastewater treatment
CN203807296U (en) * 2013-12-24 2014-09-03 北京桑德环境工程有限公司 Biochemical and deep treatment system for shale oil destructive distillation sewage
CN104386881A (en) * 2014-11-26 2015-03-04 深圳能源资源综合开发有限公司 Coal chemical production wastewater treatment and high-efficiency recycling process and special system thereof
CN205974157U (en) * 2016-05-18 2017-02-22 杭州上拓环境科技有限公司 Coking wastewater's processing system
CN206289114U (en) * 2016-10-12 2017-06-30 神华集团有限责任公司 The zero-discharge treatment system of difficult for biological degradation sewage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201817357U (en) * 2010-06-21 2011-05-04 吴静璇 Full-reuse treatment device for coking wastewater through Fenton oxidation and double-membrane process
CN102718363A (en) * 2012-06-21 2012-10-10 浙江晶泉水处理设备有限公司 Coking wastewater comprehensive treatment method and system thereof
CN103896448A (en) * 2012-12-26 2014-07-02 天津市庆安特种设备研发有限公司 Novel process of rock debris wastewater treatment
CN103232135A (en) * 2013-04-12 2013-08-07 北京万邦达环保技术股份有限公司 Treatment system and treatment method for coal-to-liquid wastewater
CN203807296U (en) * 2013-12-24 2014-09-03 北京桑德环境工程有限公司 Biochemical and deep treatment system for shale oil destructive distillation sewage
CN104386881A (en) * 2014-11-26 2015-03-04 深圳能源资源综合开发有限公司 Coal chemical production wastewater treatment and high-efficiency recycling process and special system thereof
CN205974157U (en) * 2016-05-18 2017-02-22 杭州上拓环境科技有限公司 Coking wastewater's processing system
CN206289114U (en) * 2016-10-12 2017-06-30 神华集团有限责任公司 The zero-discharge treatment system of difficult for biological degradation sewage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108358390A (en) * 2018-02-11 2018-08-03 北京理工大学珠海学院 A kind of method of biochemical process processing oil shale production waste water
CN108862935A (en) * 2018-08-10 2018-11-23 浙江奇彩环境科技股份有限公司 Oil-refining chemical wastewater treatment method
CN110550816A (en) * 2019-07-30 2019-12-10 烟台云沣生态环境产业发展股份有限公司 Offshore drilling platform sewage treatment device and treatment process

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Application publication date: 20171124