CN103608302B - The sewage of process petroleum pollution - Google Patents
The sewage of process petroleum pollution Download PDFInfo
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- CN103608302B CN103608302B CN201280030584.6A CN201280030584A CN103608302B CN 103608302 B CN103608302 B CN 103608302B CN 201280030584 A CN201280030584 A CN 201280030584A CN 103608302 B CN103608302 B CN 103608302B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1431—Dissolved air flotation machines
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/06—Flash evaporation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A kind of production water treatment system, it progressively removes petroleum pollution from production water, to produce the cleaned water as oiler feed.System makes the concentration of petroleum pollution reduce 1,000 times by using dissolved air floatation, walnut shell filter and vaporizer (MED, MVC or FCE), and produces the heat for method and heat exchanger, with the cost of energy of minimization system with mud.
Description
Background
1. technical field
The present invention relates to water treatment, and more particularly, relate to and remove lower concentration petroleum pollution from production water (producedwater).
2. the discussion of correlation technique
Oil bearing reservoir comprise together with oil usually by a large amount of water of extracting.And the method improving oil recovery comprises by steam injection in oil bearing reservoir, to improve from wherein extracting oil.After the most oil of removing, left the production water of a large amount of petroleum pollutions for extraction plant, this production water must be processed, because they can not be reused due to pollution.Especially, the sludge part of production water produces some environmental problems and logistical problems.
For the purpose of the amount reducing the mud produced, No. 2009/0078416th, U.S. Patent application teaches and processes production water by vertical tube falling film formula vaporizer (verticaltubefallingfilmevaporator).
General introduction
An aspect of of the present present invention is provided for from production water, removing petroleum pollution to produce the production water treatment system of oiler feed, and comprising: dissolved air floatation (DAF) equipment, it is arranged to petroleum pollution level to reduce to lower than 500ppm; Walnut shell filter (WNSF), its be arranged to receive from dissolved air floatation equipment water and petroleum pollution level is reduced to lower than 50ppm; There is the vaporizer such as mechanical vapor compression device of level pipe, a kind of multiple-effect distillation device or pump feed evaporator, its be arranged to receive from walnut shell filter water and by evaporate petroleum pollution level is reduced to lower than 0.1ppm.Production water treatment system also comprises: separated from petroleum unit, and it is arranged to the production water of the petroleum pollution level lower than 5000ppm to be fed to DAF; Dewatering unit, it is arranged to from the mud produced by separated from petroleum unit, DAF and WNSF except anhydrating; Oxidation unit, it is arranged to receive and the mud be oxidized from dewatering unit, to produce heat; And heat recovery steam generator (HRSG), it is arranged to steam supply to vaporizer.
Accompanying drawing is sketched
In order to understand embodiments of the present invention better and how make described embodiment perform to come into force, will come with reference to accompanying drawing by means of only embodiment now to show, number table identical is in the accompanying drawings shown in respective element in all figure or part.
In the accompanying drawings:
Fig. 1 is the high-caliber schematic block diagram of elaboration petroleum production system according to certain embodiments of the present invention,
Fig. 2 be elaboration according to certain embodiments of the present invention for removing petroleum pollution to produce the high-caliber schematic block diagram of the production water treatment system of oiler feed from production water,
Fig. 3 is the high-caliber schematic block diagram of elaboration according to certain embodiments of the present invention for generation of the mechanical vapor compression unit (MVC) of the oiler feed of the petroleum pollution level had lower than 0.1ppm,
Fig. 4 be elaboration according to certain embodiments of the present invention as the high-caliber schematic block diagram of vaporizer for generation of the multi-effect distilling unit (MED) of the oiler feed of the petroleum pollution level had lower than 0.1ppm, and
Fig. 5 is the high-caliber indicative flowchart of the method for the production water of elaboration process petroleum pollution according to enforcement sides more of the present invention.
To one skilled in the art, accompanying drawing makes the present invention can how to embody in practice together with the following detailed description is obvious.
Describe in detail
Before statement is described in detail, being set out in can be hereinafter helpful by the definition of some term used.
In this application, as the term is employed herein " production water " refers to the water that produces together with the oil of institute's extracting and also refers to for being injected into the water produced to improve its extracting in oil bearing reservoir.For generation and the injection of steam, water must have high quality and must not by excessive soil.
In this application, " petroleum pollution " refers to a small amount of oil as the term is employed herein, and is also a small amount of polymkeric substance and the mineral substance of water pollutant.Contamination sources is in reservoir itself or the various additives that come from for method for extracting.In this application, whole pollutent is called as petroleum pollution, and provides coarse value with each number of 1,000,000 (ppm).These of the concentration of petroleum pollution are the object of present worth only for setting forth, and should be considered as exemplary value, do not limit the actual enforcement of described system and method.Those skilled in the art can improve these values, to be applicable to the parameter specifically depending on place.Such as, current isolation technique reaches the petroleum pollution being low to moderate 500-5000ppm in water, remaining as oil slick or precipitating sludge separated.
Now in detail with reference to specific accompanying drawing, it is emphasised that, shown details is only used as example and only for setting forth the object of the illustrative discussion of the preferred embodiment of the present invention, and is presented, and is considered to the most useful of principle of the present invention and concept aspect and understandable description to provide.About this point, do not attempt display than for the necessary CONSTRUCTED SPECIFICATION specifically of the present invention of basic understanding of the present invention, it is obvious that the description adopted together with accompanying drawing makes how in fact some forms of the present invention can embody to one skilled in the art.
Before explaining at least one embodiment consistent with the present invention in detail, will be appreciated that in this application, the invention is not restricted to the structure of parts that is that state in the following description or that set forth in the accompanying drawings and the details of layout.The present invention may be used in other embodiment or can put into practice in every way or implement.Meanwhile, will be appreciated that the phrase that adopts herein and term are objects for describing and should think restrictive.
Fig. 1 is the high-caliber schematic block diagram of elaboration petroleum production system 80 according to certain embodiments of the present invention.
In this example, be injected in independent Injection Well 89 from the water of steam boiler 88 or steam or be injected directly in recovery well 81.In separated from petroleum equipment 82, be separated oil, leave the water of oil by about 500-5000ppm and other contaminants, and mud.Separated from petroleum equipment 82 can with gravity or centrifugation operation.
Production water can be collected from some recovery wells 81 by production water collector unit 83, and is supplied to production water treatment system 100 by pretreatment unit such as separated from petroleum equipment 82.Can be collected by production water collector unit 83 from the petroliferous water of recovery well 81 or the production water that removes from produced oil.Cleaned water (being called oiler feed (BFW)) from production water treatment system 100 can be provided and delivered unit 87 and be provided to Injection Well 89 and recovery well 81 and steam boiler 88 by production water.The centralization of water treatment improves the efficiency of water treatment.
From separated from petroleum equipment 82 with can be processed by sludge treating block 96 from the mud of water treating equipment (such as DAF110 and WNSF120) as mentioned below and then for generation of for the evaporation of oiler feed 91 and the heat of production.
Production water treatment system 100 comprises production water treating part 110,120, and pre-treatment 130 and the vaporizer 140 with level pipe, for decreasing pollution thing level such as, to acceptable level, 0.1ppm.The embodiment display of production water treatment system 100 in fig. 2.
The needs of production water process and recirculation system 100 are produced from the limiting factor of the sedimental environment of production water and other limiting factor, the available water be injected in well and the quality of insufficient water that produces for steam.
Fig. 2 is that elaboration according to certain embodiments of the present invention for removing petroleum pollution to produce the high-caliber schematic block diagram of the production water treatment system 100 of oiler feed from production water.
Production water treatment system 100 removes petroleum pollution from production water, to produce the overhead product that can be used as oiler feed (BFW).System 100 comprises: (i) dissolved air floatation equipment (DAF) 110, it is arranged to petroleum pollution level to be reduced to lower than 500ppm, (ii) walnut shell filter (WNSF) 120, its be arranged to receive from DAF110 production water and petroleum pollution level is reduced to lower than 50ppm, and vaporizer 140 such as mechanical vapor compression device (MVC, Fig. 3) 140A or multiple-effect distillation device (MED, Fig. 4) 140B, its be arranged to receive from WNSF120 production water and by evaporate petroleum pollution level is reduced to lower than 0.1ppm.Then the water (overhead product) 91 carrying out flash-pot 140 may be used for producing steam for being injected in well by steam boiler 88, can be maybe the mineral substance that adds and can be used as fresh water.The salt solution carrying out flash-pot 140 can process further in crystallizer 141, with from wherein removing overhead product further, and produces the mineral substance being used for safe disposal 142 or other purposes.
In DAF110, by being injected into by pressurized air in maintenance production water at atmosheric pressure to cause the formation of micro-bubble and the remaining pollutent of removing, from production water 90, remove oil and mud.
WNSF120 comprises the nut-shell (groundwalnutshell) ground, and the nut-shell that this grinds adsorbs from the petroleum residue in the water of DAF110 and allows to reach even low than DAF110 pollutant level.WNSF120 once in a while by the clogged with material of adsorbing, and can be rinsed to remove the sorbing material as mud, maybe can replace completely with the new nut-shell ground.The amount of nut-shell removing can be entirely included in the mud for 95B.
Production water treatment system 100 can also comprise the separated from petroleum unit 82 being arranged to the production water providing the petroleum pollution level lower than 5000ppm to DAF110.
Production water treatment system 100 can also comprise be arranged to from by pretreatment unit 82, DAF110 and WNSF120 produce mud 95B except the dewatering unit 150 anhydrated.Dewatering unit 150 such as pressure filter, belt press or whizzer can make the water content in mud 95B be reduced to 20% from 80%, the water 95A that extruded can by blowback in DAF110.Production water treatment system 100 can also comprise be arranged to receive and oxidation from dewatering unit 150 mud with produce heat oxidation unit 160(such as, combustion chamber or gasification installation), and be arranged as the heat recovery steam generator (HRSG) 170 that vaporizer 140 provides steam.The mud for generation of heat is used to improve the energy efficiency of system 100.Selectively, steam may be used for generating.Oxidation unit 160 can gasify mud, to extract heat from hydrocarbon resistates wherein, and leaves the clean mineral grey of the by product as sepn process.By this layout, the energy requirement of minimizing method and simultaneously process harmful mud.
Optionally, before being pumped into vaporizer 140, the water from WNSF120 can be processed by pretreatment unit 130, to produce the production water 139 of the petroleum concentration with about 5mg/l.Pretreatment unit 130 is for the preparation of in MED, MVC or FCE(pump circulation) carry out the water of desalination in vaporizer 140, such as, by removing specific residual substance from water.Such as, pretreatment unit 130 can comprise carbon filter, adsorption filter or biofilter, for regulating the level of amounts of residual contamination, for desalination in vaporizer 140.
In an example, system 100 can receive and be subject to the oil of 500-5000mg/l and 15,000m of other Substances Pollution
3the production water 90 in/sky, and after DAF110, pollutent is reduced to 50-500mg/l step by step, after WNSF120, pollutent is reduced to 10-50mg/l.Water from WNSF120 can be separated into the large volume 92 such as 14,000m of conventional level of purification (in this example, being 10-50mg/l)
3/ sky, and treat the water 91 such as 1000m being purified the comparatively a small amount of to higher level by vaporizer 140
3/ sky.
According to given pollutant level and the required level of purification of production water, the version of system 100 can comprise the system 100 only with DAF110, the system 100 with DAF110 and WNSF120 or have the system 100 of DAF110, WNSF120, pretreatment unit 130 such as organic clay absorption (OCA) device and vaporizer 140.
In additional examples, system 100 can receive and be subject to the oil of 90,000mg/l and the 2400m of other Substances Pollution
3the production water 90 in/sky, and produce the 1200m as the distilled water being used for steam boiler 88
3the oiler feed 91 in/sky and the 1200m for re-injecting
3the salt solution 92 in/sky.
Fig. 3 is the high-caliber schematic block diagram of elaboration according to certain embodiments of the present invention for generation of mechanical vapor compression unit (MVC) 140A as vaporizer 140 of the oiler feed of the petroleum pollution level had lower than 0.1ppm.
Vaporizer 140 as MVC140A can comprise the compressor 141A supplying vaporizer 141B with the pretreated production water 139 by carrying out preheating with the product left in heat exchanger 142 and in the condenser 143 of production water and salt solution exchanging heat.Production water 91 cools and mixes with tap water in separating tank 144 in condenser 143.
Fig. 4 is that elaboration is according to certain embodiments of the present invention as the high-caliber schematic block diagram of vaporizer 140 for generation of multi-effect distilling unit (MED) 140B of the oiler feed of the petroleum pollution level had lower than 0.1ppm.
Pretreated production water 139 receives in condenser 146 by the vaporizer 140 as MED140B, and condenser 146 heats the pretreated production water 139 supplied.The aliment (feed) of heating is through effect (effect) 145, and in this effect 145, it is selectively evaporated (by the steam of evaporation in last effect 145; Steam 148 is injected in the first effect 145 to make method start) and condensation in effect 145 in succession (to produce production water 91 and salt solution 94).MED140B used can be supplied backward or forward, and two kinds of differences selected are which effect heated pretreated production water starts to be incorporated in (being respectively the effect 145 that most cold-peace is the hottest).The product oiler feed 91 and the salt solution 94 that allow to leave effect queue contribute more steam and therefore cooling in flashing chamber (being respectively 147B, 147A).
When producing steam with mud oxidation unit 150,160,170, the MED140B as vaporizer 140 can be better than the MVC140A in system 100, because MED140B is easier to operate with steam than MVC140A.Because MVC140A can more effectively operate not vapoury liquid feed 139 than MED140B, therefore when system 100 lacks steam generating unit, MVC140A can be used as vaporizer 140.
Vaporizer 141B can be the steam compressed vaporizer of level pipe spraying membrane type.In this example, the watt consumption as the MVC140A of vaporizer 140 can be 13kWh/m
3product, product provides from the oxidation of mud 95B at least in part.
Fig. 5 is the high-caliber indicative flowchart of the method 200 of the production water of elaboration process petroleum pollution according to certain embodiments of the present invention.Method 200 comprises with the next stage: the production water (stage 210) collected by clarification, pollutent to be reduced to the level lower than 5000ppm, removing petroleum pollution is to the level (stage 215) lower than 500ppm, such as, by dissolved air floatation equipment (DAF) (stage 216), the oil of filtration residue and pollutent (stage 220) from clarified production water, such as by filtering clarified water (stage 222) with walnut shell filter (WNSF), and selectively make WNSF regenerate (stage 224) and by the water (stage 230) of the cleaned filtration of desalination (such as, mechanical vapor compression or multi-effect distilling), to produce processed water.Purification (230) can be carried out by multi-effect distilling or by mechanical vapor compression.
The production water of clarification collected by (stage 210) can carry out and can comprise removing mud (stage 214) from production water with gravity (stage 211) or centrifugal (stage 212) mode.
Method 200 can comprise the production water (stage 205) collected from multiple well, for clarification (stage 210), and processed water is used as (stage 240) oiler feed, to produce the steam for being injected in well.
Method 200 can also comprise oxidation (or gasification) produces (stage 218) mud (stage 233) by clarification (stage 210), with the water of vaporized filtration in purification (230).
Before purification (stage 230), method 200 can comprise the water (stage 228) that pre-treatment filtration (stage 222) is crossed, to obtain the water of the petroleum pollution level lower than 5ppm had for purifying (stage 230).
After purification (stage 230), method 200 can comprise remove extra overhead product (stage 231) from the salt solution produced steam course, such as, by crystallizer, and the safe disposal of relict mineral (stage 232).
Method 200 can also comprise oxidation (or gasification) by clarifying (stage 210) and passing through to filter the mud (stage 233) that (stage 220,226) produces (stage 218), with the water of vaporized filtration in purification (stage 230), and reclaim vaporization heat (stage 234).
Advantageously, by by the heat supply from exothermal process to sepn process and will be separated from water process in the supply of fuel of sludge form to exothermal process, the combination of water sepn process (DAF110, WNSF120 and vaporizer 140) and thermogenesis process (dewater 150 be oxidized 160) is synergistic.Other benefit is the safety of the mud produced by sepn process and clean disposal.
The present invention is not intended to the undesired by product and the mud that reduce sepn process, but on the contrary, utilizes the hydrocarbon of its high-content to be provided for the heat of sepn process and to reduce overall energy use and cost.
By introducing horizontal tube evaporator such as MED process production water, the present invention is better than prior art further.This is beyond thought, because MED is only for sea water desalinization in the prior art.Known to those skilled in the art, ad hoc structure and the operating characteristics of horizontal tube evaporator are suitable for seawater.But contriver has been found that such vaporizer can perform well in processing production water, has the energy efficiency higher than the vertical tube falling film formula vaporizer of prior art.
In the above description, embodiment is example of the present invention or implementation.The appearance of the version of " embodiment ", " embodiment " or " some embodiments " might not all refer to identical embodiment.
Although various feature of the present invention can be described in the content of single embodiment, feature can also provide individually or with the combination of any appropriate.On the contrary, although in order to clear, the present invention can be described in the content of independent embodiment in this article, and the present invention can also implement at single embodiment.
And, will be appreciated that the present invention can carry out in every way or put into practice, and the present invention can implement in the embodiment not being the embodiment that above specification sheets is delineated.
The invention is not restricted to those figure or be not limited to corresponding description.Such as, flowing is not necessarily mobile by the frame shown in each or stage, or definitely with as shown and the identical sequence described.
The meaning of technical term used herein and scientific and technical terminology is understood as usual in those skilled in the art, unless otherwise defined.
Although the embodiment about limited quantity describes the present invention, these should not be construed to the restriction to scope of the present invention, but preferably in the example of some.Other possible version, improved Haniltonian are also within the scope of the invention.
Claims (6)
1. one kind for removing petroleum pollution to produce the production water treatment system (100) of production water, comprising:
Dissolved air floatation device (DAF, 110), it is arranged to petroleum pollution level to be reduced to lower than 500ppm,
Walnut shell filter (WNSF, 120), its be arranged to receive from described DAF production water and petroleum pollution level is reduced to lower than 50ppm,
There is the vaporizer (140) of level pipe, its be arranged to receive from described WNSF production water and by evaporate petroleum pollution level is reduced to lower than 0.1ppm,
Separated from petroleum unit (82), it is arranged to the production water of the petroleum pollution level lower than 5000ppm to be fed to described DAF (110),
Dewatering unit (150), it is arranged to except anhydrating from the mud produced by described separated from petroleum unit (82), described DAF (110) and described WNSF (120),
Oxidation unit (160), it is arranged to receive and the described mud be oxidized from described dewatering unit (150), to produce heat, and
Heat recovery steam generator (HRSG170), it is arranged to steam supply to described vaporizer (140).
2. production water treatment system as claimed in claim 1, also comprises:
Production water collector unit, its be arranged to collect from multiple recovery well (81) production water and collected production water is supplied to described DAF (110) via described separated from petroleum unit (82),
Steam boiler (88), its be arranged to from the water distilled by described vaporizer (140) at least partially produce steam, and
Oiler feed dispensing unit, it is arranged to the distilled water from described vaporizer (140) and the steam supply from described steam boiler (88) to be supplied to Injection Well (89) to recovery well (81).
3. production water treatment system as claimed in claim 1, wherein said vaporizer (140) is multi-effect distilling (MED) device (140B).
4. production water treatment system as claimed in claim 1, wherein said vaporizer (140) is mechanical vapor compression (MVC) device (140A).
5. production water treatment system as claimed in claim 1, also comprise pretreatment unit (130), described pretreatment unit (130) is arranged to be reduced to the pollutant level of the filtered water from described WNSF (120) lower than 5ppm and processed water is supplied to described vaporizer (140).
6. production water treatment system as claimed in claim 1, also comprise crystallizer, described crystallizer is arranged to from the salt solution produced by described vaporizer, remove extra overhead product and leave mineral deposit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161499657P | 2011-06-21 | 2011-06-21 | |
| US61/499,657 | 2011-06-21 | ||
| PCT/IB2012/053108 WO2012176130A1 (en) | 2011-06-21 | 2012-06-20 | Treating oil contaminated wastewater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103608302A CN103608302A (en) | 2014-02-26 |
| CN103608302B true CN103608302B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280030584.6A Expired - Fee Related CN103608302B (en) | 2011-06-21 | 2012-06-20 | The sewage of process petroleum pollution |
Country Status (2)
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| CN (1) | CN103608302B (en) |
| WO (1) | WO2012176130A1 (en) |
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| CN104556515A (en) * | 2013-10-17 | 2015-04-29 | 黄士舟 | Treatment method for cutting waste liquid |
| CN105036494B (en) * | 2015-09-02 | 2017-07-07 | 中国石油集团工程设计有限责任公司 | Saliferous fracturing outlet liquid high and gas water surface discharge processing system and technique |
| CN109455854A (en) * | 2018-10-23 | 2019-03-12 | 中国科学院新疆生态与地理研究所 | A kind of processing method of fracturing outlet liquid |
| BR112022001888A2 (en) * | 2019-10-11 | 2022-03-29 | Halliburton Energy Services Inc | Fluid treatment system and method for treating waste fluid recovered from a well |
| US20210322930A1 (en) * | 2020-04-21 | 2021-10-21 | Halliburton Energy Services, Inc. | Zwitterionic polyelectrolyte coated filtration medium for slop water treatment |
| US20210322931A1 (en) * | 2020-04-21 | 2021-10-21 | Halliburton Energy Services, Inc. | Zwitterionic polyelectrolyte coated filtration medium for fracturing fluid and drilling mud treatment |
| CN112664171B (en) * | 2020-12-23 | 2023-04-14 | 河南恒聚新能源设备有限公司 | Wind-solar-heat-hydrogen-storage integrated system for thermal recovery of thick oil steam in onshore oil field |
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| US7438129B2 (en) | 1999-05-07 | 2008-10-21 | Ge Ionics, Inc. | Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation |
| WO2005035697A1 (en) * | 2003-10-10 | 2005-04-21 | Ecology Energy Llc | Methods and systems for dewatering and gasification |
| CA2675018C (en) * | 2007-01-09 | 2012-06-05 | Cambridge Water Technology, Inc. | A system and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water |
| WO2010068578A1 (en) * | 2008-12-09 | 2010-06-17 | Katana Energy Llc | Zero discharge produced water treatment system with minerals recovery, agricultural production and aquaculture |
| JP5250526B2 (en) * | 2009-10-16 | 2013-07-31 | 東洋エンジニアリング株式会社 | Oil / water separator, oil / water separation system, oil / water separation method and water reuse method using the same |
| CN101786772A (en) * | 2010-03-24 | 2010-07-28 | 哈尔滨工业大学 | Efficient biological treatment method for polymer-containing sewage in oil field |
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| CN103608302A (en) | 2014-02-26 |
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