CN1800043A - Thick oil, super thick oil effluent purifier - Google Patents

Thick oil, super thick oil effluent purifier Download PDF

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Publication number
CN1800043A
CN1800043A CN 200510129945 CN200510129945A CN1800043A CN 1800043 A CN1800043 A CN 1800043A CN 200510129945 CN200510129945 CN 200510129945 CN 200510129945 A CN200510129945 A CN 200510129945A CN 1800043 A CN1800043 A CN 1800043A
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China
Prior art keywords
thick oil
viscous crude
cationic
super thick
flocculating agent
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CN 200510129945
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CN100334013C (en
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赵晓非
刘立新
刘扬
魏立新
张云峰
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Daqing Petroleum Institute
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Daqing Petroleum Institute
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Abstract

The effluent water purification agent in said invention for heavy crude, super heavy crude is made up of inorganic flocculants, cationic organic macromolecular flocculants or one of them and hyper-branched polymer, which could effectively remove oil and foreign substance from produced sewage of heavy crude, super heavy crude with the characterization as follows: rapid flocculation, stable floccule body, less adherence to the wall, less usage, low cost and so on, promising application foreground.

Description

Viscous crude, super thick oil effluent purifier
The present invention relates to a kind of disposing polluted water in oil technology, be used for the sewage disposal technology of viscous crude, super viscous crude extraction liquid specifically.
Viscous crude is the quasi-oil that viscosity is big, gum asphaltic content is high, China's viscous crude aboundresources, and the viscosity of crude of some oil field block is higher, belongs to super viscous crude.It is very difficult that a large amount of colloids that are rich in the viscous crude, bituminous matter and petroleum acid isopolarity material cause condensed oil sewage to handle, chemical agents such as viscosity-depression agent, unblocking agent particularly in the viscous oil recovery process, have been added again, make that sewage emulsification is serious, oleaginousness height, complicated component, variation water quality is big, and when exploitation, adhesive tape from the stratum went out a large amount of mineralogical compositions, the water hardness height, and foreign matter content is big, along with extraction liquid water content constantly increases, more increased the sewage disposal difficulty.
Handle at condensed oil sewage, cationic high-molecular flocculant at present commonly used, adopt cationic-type polyacrylamide as the Liaohe Oil Field, this method is by charge neutralization oil in water emulsion and mechanical impurity in the water to be flocculated, reach the water purifying purpose, but it is because very fast by the charge neutralization process, the adition process of polyacrylamide, the stirring velocity of sewage etc. all can be brought very big influence to treatment effect, make the treatment effect instability, and the flco thickness that produces, be bonded at easily on the wall, increased the difficulty that flco is handled.
Chinese patent CN 01106030.1 has announced a kind of linear low-molecular weight polymer of amine and inorganic flocculating agent and composite effluent purification method of dithiocarbamate saline flocculating agent that has a plurality of hydroxy functional groups, though this method can be removed oil and other mechanical impuritys in the extraction liquid preferably, but because the dosage of treatment agent is excessive, need reach about 550mg/L, make processing cost quite high.
Purpose of the present invention just provides a kind of oil removing, remove that mechanical impurity is effective, the treatment agent consumption is few, processing cost is low and flco adheres to few viscous crude, super thick oil effluent purifier at wall.
Viscous crude of the present invention, super thick oil effluent purifier are made up of inorganic flocculating agent, cationic organic polymer coargulator or a kind of and hyperbranched polymer among both.Wherein inorganic flocculating agent is polymerize aluminum chloride, polyaluminium sulfate, bodied ferric sulfate, potassium aluminium sulfate, Tai-Ace S 150, ferric sulfate, titanium tetrachloride, polynite and composite inorganic flocculation agent etc.; Cationic organic polymer coargulator is the homopolymer of cationic-type polyacrylamide, cationic modified starch, modified-cellulose, modified chitosan, dimethyl diallyl ammonium chloride and multipolymer, polyoxyethylene trimethyl ammonium chloride etc.; Hyperbranched polymer is that the end has hydroxyl (OH), the end has amido (NH 2) or the end have carboxyl (the various hyperbranched polymers that have the end polar group such as COOH).The adding mode of this water purification agent each component is to add hyperbranched polymer earlier, adds inorganic flocculating agent, cationic organic polymer coargulator again, also the two can be mixed by a certain percentage the back and add.
Since the hyperbranched polymer in the viscous crude of the present invention, super thick oil effluent purifier component by a large amount of ends active group in its molecule and the polar material in the viscous crude by generation molecular interactions such as hydrogen bonds, oil droplet and mechanical impurity are accumulated in around its molecule that is bordering on ball-type, add the mating reaction of organic or inorganic flocculation agent, make this water purification agent can remove oil and the impurity in viscous crude, the extremely-viscous crude sewage effectively, it is fast to have the flco of generation, flco is stable, adheres to advantages such as few at wall.This water purification agent can also be applied to the processing of with serious pollution oil-refining chemical sewage, waste water from dyestuff etc., is a kind of novel water purification agent, has a extensive future.
Below by specific embodiment viscous crude of the present invention, super thick oil effluent purifier and using method thereof are elaborated.In following each embodiment, all make apparatus plug graduated cylinder carry out the sewage disposal experiment, sewage quantity is 500mL, temperature is 70 ℃, the order of the water purification agent each component being pressed hyperbranched polymer, inorganic flocculating agent, cationic organic polymer coargulator adds in the sewage, whenever add a kind of component, concussion graduated cylinder 50 times mixes treatment agent and sewage.Under wavelength 664nm, survey the transmittance and the oleaginousness of water after static 30 minutes with 722 type spectrophotometers.
Embodiment 1:
Effluent purifier consists of: polymerize aluminum chloride 90mg/L, have the hyperbranched polymer 30mg/L of end hydroxyl, and total dosage 120mg/L, analytical results sees Table 1.
Embodiment 2:
Sewage-treating agent consists of: polymerize aluminum chloride 90mg/L, and cationic-type polyacrylamide 15mg/L has the hyperbranched polymer 15mg/L of end hydroxyl, and total dosage is 120mg/L, and analytical results sees Table 1.
The table of comparative analysis as a result of table 1. sewage disposal
Sewage-treating agent The total dosage mg/L of sewage-treating agent Transmittance/% Oleaginousness (mg/L)
Former water Water outlet Former water Water outlet
Polymerize aluminum chloride 500 0 45.9 13400 362
Cationic polyacrylamide 120 0 89.6 13400 58
Embodiment 1 120 0 95.4 13400 22
Embodiment 2 120 0 98.0 13400 17
As seen from Table 1, handle extremely-viscous crude sewage with viscous crude of the present invention, super thick oil effluent purifier, the water outlet transmittance all surpasses 95%, and treatment effect obviously is better than inorganic polymerize aluminum chloride and cationic-type polyacrylamide flocculation agent.

Claims (6)

1. a viscous crude, super thick oil effluent purifier is characterized in that it is made up of inorganic flocculating agent, cationic organic polymer coargulator or a kind of and hyperbranched polymer among both.
2. viscous crude according to claim 1, super thick oil effluent purifier is characterized in that: described inorganic flocculating agent is polymerize aluminum chloride, polyaluminium sulfate, bodied ferric sulfate, potassium aluminium sulfate, Tai-Ace S 150, ferric sulfate, titanium tetrachloride, polynite and composite inorganic flocculation agent etc.
3. viscous crude according to claim 1, super thick oil effluent purifier is characterized in that: homopolymer that described cationic organic polymer coargulator is cationic-type polyacrylamide, cationic modified starch, modified-cellulose, modified chitosan, dimethyl diallyl ammonium chloride and multipolymer, polyoxyethylene trimethyl ammonium chloride etc.
4. viscous crude according to claim 1, super thick oil effluent purifier is characterized in that: hyperbranched polymer be the end have hydroxyl (OH), the end have amido (NH2) or the end have carboxyl (the various hyperbranched polymers that have the end polar group such as COOH).
5. viscous crude according to claim 1, super thick oil effluent purifier, it is characterized in that: the adding mode of described inorganic flocculating agent, cationic organic polymer coargulator and hyperbranched polymer adds inorganic flocculating agent, cationic organic polymer coargulator more successively for adding hyperbranched polymer earlier.
6, viscous crude according to claim 1, super thick oil effluent purifier, the adding mode that it is characterized in that described inorganic flocculating agent, cationic organic polymer coargulator and hyperbranched polymer is: add hyperbranched polymer earlier, add blended inorganic flocculating agent and cationic polymers type flocculation agent by a certain percentage again.
CNB2005101299454A 2005-12-13 2005-12-13 Thick oil, super thick oil effluent purifier Expired - Fee Related CN100334013C (en)

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CN103755969A (en) * 2014-01-14 2014-04-30 四川一欣环境科技有限公司 Chitosan and poly-dimethyl diallyl ammonium chloride compound and preparation method thereof
CN103772605A (en) * 2014-01-23 2014-05-07 中国海洋石油总公司 Preparation method of cationic polymer
CN103818975A (en) * 2014-03-14 2014-05-28 石家庄聚业化工助剂有限公司 Purifier and preparation method thereof
CN105217895A (en) * 2015-10-30 2016-01-06 无锡市嘉邦电力管道厂 Heavy crude sewage water treating method
CN105540693A (en) * 2016-01-07 2016-05-04 苏州法斯特信息科技有限公司 Composite BOD removing material and preparing method thereof
CN106145257A (en) * 2016-09-08 2016-11-23 合肥智慧殿投资管理有限公司 A kind of condensed oil sewage inorganic agent and its preparation method and application
CN106905993A (en) * 2017-03-24 2017-06-30 诗茵(海南)环保科技有限公司 A kind of environment protection treating technique of mineral oil discarded object
CN107326122A (en) * 2016-05-26 2017-11-07 许婷 A kind of leather processing inorganic agent and preparation method thereof
CN108821402A (en) * 2018-05-28 2018-11-16 福州兴创云达新材料科技有限公司 A kind of preparation method of cation collagen flocculant
CN108975476A (en) * 2018-07-24 2018-12-11 芜湖市棠华建材科技有限公司 The composite modified water treatment agent of plant
CN109264819A (en) * 2018-08-13 2019-01-25 大唐(北京)水务工程技术有限公司 A kind of organic-inorganic composite degreaser and its preparation method and application
CN109422309A (en) * 2017-09-04 2019-03-05 中国石油天然气股份有限公司 Silicon removing agent and treatment process of thick oil sewage
CN110357306A (en) * 2019-07-24 2019-10-22 杰瑞环境工程技术有限公司 A kind of oily waste water preprocess method
CN111333165A (en) * 2020-03-13 2020-06-26 西安三化机电科技有限公司 Paint mist coagulant and preparation method thereof
CN112358022A (en) * 2020-11-18 2021-02-12 浙江九环环境科技有限公司 Flocculating agent and preparation method thereof
CN113979601A (en) * 2021-11-24 2022-01-28 杭州大地海洋环保股份有限公司 Method for treating oil stain wastewater

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SU935481A1 (en) * 1980-08-01 1982-06-15 Горьковский Государственный Институт По Проектированию Предприятий Нефтеперерабатывающей И Нефтехимической Промышленности Process for purifying effluents
AU5824794A (en) * 1993-02-10 1994-08-29 Russian-American Closed Joint-Stock Company Polymer absorbent for use in purifying aqueous media contaminated by oil or oil products and a process for purifying such media
CN1216751A (en) * 1998-09-15 1999-05-19 中国科学院生态环境研究中心 Coagulation method for treating oil prodn. waste water of oil field polymers

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103755969A (en) * 2014-01-14 2014-04-30 四川一欣环境科技有限公司 Chitosan and poly-dimethyl diallyl ammonium chloride compound and preparation method thereof
CN103772605A (en) * 2014-01-23 2014-05-07 中国海洋石油总公司 Preparation method of cationic polymer
CN103818975A (en) * 2014-03-14 2014-05-28 石家庄聚业化工助剂有限公司 Purifier and preparation method thereof
CN103818975B (en) * 2014-03-14 2015-08-12 石家庄聚业化工助剂有限公司 A kind of water purification agent and preparation method thereof
CN105217895A (en) * 2015-10-30 2016-01-06 无锡市嘉邦电力管道厂 Heavy crude sewage water treating method
CN105540693A (en) * 2016-01-07 2016-05-04 苏州法斯特信息科技有限公司 Composite BOD removing material and preparing method thereof
CN107326122A (en) * 2016-05-26 2017-11-07 许婷 A kind of leather processing inorganic agent and preparation method thereof
CN107354247A (en) * 2016-05-26 2017-11-17 许婷 A kind of leather processing inorganic agent and preparation method thereof
CN106145257A (en) * 2016-09-08 2016-11-23 合肥智慧殿投资管理有限公司 A kind of condensed oil sewage inorganic agent and its preparation method and application
CN106905993A (en) * 2017-03-24 2017-06-30 诗茵(海南)环保科技有限公司 A kind of environment protection treating technique of mineral oil discarded object
CN109422309A (en) * 2017-09-04 2019-03-05 中国石油天然气股份有限公司 Silicon removing agent and treatment process of thick oil sewage
CN108821402A (en) * 2018-05-28 2018-11-16 福州兴创云达新材料科技有限公司 A kind of preparation method of cation collagen flocculant
CN108975476A (en) * 2018-07-24 2018-12-11 芜湖市棠华建材科技有限公司 The composite modified water treatment agent of plant
CN109264819A (en) * 2018-08-13 2019-01-25 大唐(北京)水务工程技术有限公司 A kind of organic-inorganic composite degreaser and its preparation method and application
CN110357306A (en) * 2019-07-24 2019-10-22 杰瑞环境工程技术有限公司 A kind of oily waste water preprocess method
CN111333165A (en) * 2020-03-13 2020-06-26 西安三化机电科技有限公司 Paint mist coagulant and preparation method thereof
CN112358022A (en) * 2020-11-18 2021-02-12 浙江九环环境科技有限公司 Flocculating agent and preparation method thereof
CN113979601A (en) * 2021-11-24 2022-01-28 杭州大地海洋环保股份有限公司 Method for treating oil stain wastewater
CN113979601B (en) * 2021-11-24 2023-09-19 杭州大地海洋环保股份有限公司 Greasy dirt waste water treatment method

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