Treatment method and system of water-based oil-containing solution

A treatment method and a treatment system technology, applied in the field of water-based oily solution treatment methods and treatment systems, can solve the problems of unable to form solid salts for transportation and landfill

Inactive Publication Date: 2012-05-16
GENERAL ELECTRIC CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the SAGD wastewater treated by the thermal evaporator contains oil and grease, the thermal crystallizer cannot effectively further crystallize the brine solution flow, because the oil and grease will be attached to the surface of the solid salt and cannot be easily transported. and landfill dry solid salt

Method used

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  • Treatment method and system of water-based oil-containing solution
  • Treatment method and system of water-based oil-containing solution
  • Treatment method and system of water-based oil-containing solution

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Embodiment Construction

[0011] figure 1 A treatment system 10 for an aqueous oily solution 12 is illustrated, in accordance with one embodiment of the present invention. The aqueous oily solution 12 refers to a saline solution containing oil, grease or other types of oily substances. The aqueous oily solution 12 includes certain amounts of various salts. These salts include, but are not limited to, halides of Sodium, Calcium, Barium, Strontium and Radium; Sodium, Potassium, Magnesium, Calcium, Barium, Bicarbonates of strontium and radium; Silicates of sodium, potassium, magnesium and radium; Selenites; Selenates; Sodium, potassium, magnesium, calcium, Selenides of barium, strontium and radium; selenide salts of phosphorus including monoselenide, disselenide, triselenide and pentaselenide Salts); Selenium Halide Salts including Selenium Monohalide, Selenium Tetrahalide; Selenium Monobromide; Selenium Tetrabromide; Phosphates and Borides of Sodium, Potassium, Magnesium, Calcium, Barium, Strontium an...

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Abstract

The invention discloses a treatment method and system of a water-based oil-containing solution. The treatment method comprises the following steps: mixing the water-based oil-containing solution with a water-soluble organic solvent so as to generate a mixture of solid precipitate and a liquid phase; separating the solid precipitate from the liquid phase; separating the liquid phase into an organic phase and a water phase at least; and removing at least a part of oil substances out of the organic phase.

Description

technical field [0001] The invention relates to water treatment technology, in particular to a treatment method and a treatment system for an aqueous oily solution. Background technique [0002] With the development of the economy, a large amount of waste water is produced in industrial production. Industrial wastewater often contains harmful or toxic substances such as oil, grease, heavy metals and high levels of salt. Based on environmental protection and the limited availability of water resources, industrial wastewater is usually required to be treated to meet discharge standards or to recycle water. Currently, there are various methods of treating wastewater in different industrial fields. [0003] Steam assisted gravity drainage (SAGD) is a technology used in oil sands mining and heavy oil recovery. A large amount of waste water generated during the SAGD process (abbreviated as "SAGD waste water") contains a large amount of salt and oily substances such as oil and g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/40C02F11/122
CPCC02F1/42C02F1/4693B01D2311/103B01D61/025C02F2103/365C02F2101/325C02F2001/5218B01D61/364C02F1/04B01D61/44B01D61/027C02F1/441C02F2101/32C02F2209/02C02F11/122C02F1/385B01D2311/2642C02F1/20C02F1/56C02F1/66C02F9/00C02F1/447C02F1/02C02F1/38B01D2311/06C02F1/682B01D2311/2673C02F1/442C02F2103/10C02F1/26
Inventor 夏激扬蔡巍熊日华孙怡文刘春杰乔治·R·琼斯威廉·F·海因斯
Owner GENERAL ELECTRIC CO
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