Treatment method of high-salinity organic wastewater
A technology of organic wastewater and treatment methods, applied in water/sewage treatment, biological water/sewage treatment, heating water/sewage treatment, etc., to achieve stable water quality, reduce corrosion, and improve efficiency
Inactive Publication Date: 2018-06-29
南京工大环境科技南通有限公司
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[0003] In order to overcome the above-mentioned shortcomings and deficiencies, the object of the present invention is to provide a treatment method for high-salt organic wastewater, which does not need to add drugs and improves the problem of secondary pollution
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[0029] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0030] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of ill...
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The invention provides a treatment method of high-salinity organic wastewater. The treatment method comprises the following steps: performing precipitation for removing suspended particles of which the relative density is greater than 1 in water; performing floatation for removing milky oil drops or suspended matters of which the relative density is close to 1; performing filtration for removing suspended particles in water; performing evaporation treatment, and concentrating non-volatile soluble matters in the wastewater after physical treatment; performing biochemical reaction treatment, andremoving organic matters and partial colloidal pollutants in the wastewater by utilizing the biochemical action of microorganisms; and performing reverse osmosis treatment on the wastewater by adopting a reverse osmosis membrane separating device. By combining physical treatment, evaporation treatment, biochemical reaction treatment and reverse osmosis treatment, the filtering effect is high, andthe water quality is stable; and medicines do not need to be added, so that secondary pollution of water and precipitates can be avoided.
Description
technical field [0001] The invention relates to the technical field of waste water purification and treatment, in particular to a treatment method for high-salt organic waste water. Background technique [0002] High-salt organic wastewater treatment generally refers to the removal of strong electrical conductivity that is easy to remove pollutants in water and the removal of weak electrolytes such as silicic acid and carbon dioxide that are difficult to remove in water to a certain extent. At present, the relatively mature and most widely used desalinated water treatment process is ion exchange technology. It is a method of removing harmful ionic substances in wastewater by means of exchange reactions between ions on the ion exchanger and ions in water. The equipment is not expensive. However, this technology regenerates frequently, the treatment effect is poor in stability, and it needs to consume a large amount of acid and alkali. Its operating cost is high and it produce...
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CPCC02F9/00C02F1/001C02F1/04C02F1/24C02F1/441C02F1/52C02F1/78C02F3/00C02F3/28
Inventor 储海蓉徐炎华朱明新王朋
Owner 南京工大环境科技南通有限公司