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Efficient emulsion wastewater treatment technology

A wastewater treatment and emulsion technology, which is applied in the direction of oxidation water/sewage treatment, water/sewage treatment, flotation water/sewage treatment, etc., can solve the problems of long time-consuming and complicated procedures, and achieve low cost, simple operation, and adaptability effect on promotion

Pending Publication Date: 2020-09-18
江苏森茂能源发展有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the content of organic matter in the emulsion wastewater after demulsification is still at a relatively high level, and further treatment is required. The process is complicated and time-consuming, so there is an urgent need for a technology for efficiently treating emulsion wastewater

Method used

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Embodiment Construction

[0022] Below, the technical solutions of the present invention will be described in detail through specific examples.

[0023] A high-efficiency emulsion wastewater treatment technology, the treatment technology includes the following steps:

[0024] a. Remove the floating oil on the upper layer, and the waste water is passed into the sedimentation tank for precipitation. After the precipitation is completed, the upper layer of mechanical oil is recovered, and the large particles of impurities at the bottom are filtered out.

[0025] b. Demulsification: Pass the waste water in step a into the demulsification tank, add a demulsifier to the waste water, and keep stirring to mix the two.

[0026] c Detect the pH value of the wastewater in step c, adjust the pH value of the wastewater to 6-8, and then add an oxidizing agent to cause an oxidation reaction between the organic matter and the oxidizing agent.

[0027] d. The waste water enters the coagulation tank, and the coagulant ...

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Abstract

The invention belongs to the technical field of wastewater treatment, and discloses an efficient emulsion wastewater treatment technology. The efficient emulsion wastewater treatment technology comprises the following steps: a, removing upper-layer floating oil, introducing wastewater into a sedimentation tank for sedimentation, recovering upper-layer machine oil after sedimentation is completed,and filtering out large-particle impurities at the bottom; b, demulsifying: introducing the wastewater in the step a into a demulsifying tank, adding a demulsifying agent into the wastewater, and continuously stirring to mix the wastewater and the demulsifying agent; and c, detecting the pH value of the wastewater in the step c, adjusting the pH value of the wastewater to 6-8, and subsequently adding an oxidizing agent so that the organic matters and the oxidizing agent carry out an oxidation reaction. Through organic combination of filtering to remove impurities, demulsification and oxidation, emulsified waste in wastewater can be rapidly separated, the operation is easy and efficient, the whole treatment process is low in cost, the enterprise investment cost can be greatly reduced, and the efficient emulsion wastewater treatment technology is suitable for popularization.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a high-efficiency emulsion wastewater treatment technology. Background technique [0002] Emulsion wastewater is a kind of difficult-to-treat industrial wastewater. It is generally alkaline, with an oil concentration of tens of thousands of mg / L and a COD of several thousand to tens of thousands of mg / L. It has poor biochemical properties, stable chemical properties, and high pollution load. Emulsion wastewater is a stable and uniform colloidal substance mixed with oil and water. The main components are oil and emulsion. Although the emulsion is mainly water, the waste liquid it forms contains waste soap, emulsified oil-water, hydrocarbon-water mixture, Emulsion (paste), cutting agent, coolant, lubricant, wire drawing agent and other harmful substances. Emulsion wastewater is generally orange-yellow transparent liquid with pungent odor, high concentration of polluta...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F11/121
CPCC02F1/001C02F1/24C02F1/283C02F1/40C02F1/5236C02F1/56C02F1/66C02F1/72C02F1/722C02F1/725C02F1/76C02F1/78C02F9/00C02F11/121C02F2001/007
Inventor 林木茂丁达明
Owner 江苏森茂能源发展有限公司
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