U-shaped flow treatment method for saliferous hardly degraded organic wastewater

A technology for organic wastewater and flow treatment, applied in adsorption water/sewage treatment, oxidized water/sewage treatment, reduced water/sewage treatment, etc., can solve the problems of short life, high membrane cost, blockage, etc., and achieve reasonable structural design, Efficient and stable operation and easy installation

Inactive Publication Date: 2011-08-31
CHONGQING UNIV
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Problems solved by technology

At present, the main difficulties restricting the application and promotion of membrane tech

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  • U-shaped flow treatment method for saliferous hardly degraded organic wastewater
  • U-shaped flow treatment method for saliferous hardly degraded organic wastewater
  • U-shaped flow treatment method for saliferous hardly degraded organic wastewater

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[0024] The structure of the present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0025] In specific implementation, a U-shaped flow treatment method for salt-containing refractory organic waste water adopts an accommodating body, and water enters at one end of the upper part of the accommodating body, and water is discharged at the other end. The water flow in the containing body is U-shaped, and the filler is uniformly mixed with waste iron filings and granular activated carbon in the containing body. Aeration is upward at the bottom of the containing body to make the filler shake when it comes into contact with the waste water, and at the same time, the waste water is The primary cell reaction, oxidation-reduction reaction, electrochemical enrichment, physical adsorption, coagulation and precipitation of iron ions and other reaction processes simultaneously occur in the filler to treat wastewater and remove pollut...

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Abstract

The invention discloses a U-shaped flow treatment method for saliferous hardly degraded organic wastewater. An accommodation body is adopted; on the upper part of the accommodation body, one end is used for feeding water, and the other end is used for discharging water; a middle baffle plate is vertically arranged in the accommodation body to ensure that the water flow can flow in the accommodation body in the U shape; and a filler which is obtained by uniformly mixing waste scrap iron and activated carbon particles is filled into the accommodation body; aeration is performed upward at the bottom of the accommodation body to ensure that the filler is contacted with the wastewater to shake, and meanwhile, wastewater can be subjected to combined action of reaction processes of primary battery reaction, reduction reaction, electrochemical enrichment, physical adsorption, coagulation and precipitation of iron ions and the like in the filler, and wastewater is treated so as to remove pollutant. The method has an efficient and stable treatment effect, the adopted accommodation body treatment device has a reasonable structural design, is convenient to install, runs efficiently and stably, and can overcome the disadvantages of high treatment cost of high-concentration hardly degraded organic wastewater, unsatisfactory effect and the like.

Description

technical field [0001] The invention relates to the technical field of sewage purification treatment, in particular to a U-shaped flow treatment method for salt-containing refractory organic wastewater. Background technique [0002] With the rapid development of my country's industry, the discharge of various industrial waste water has increased dramatically, and the resulting water pollution has become a major problem of my country's environmental pollution. Among these wastewaters, the environmental problems caused by high-concentration saline and refractory organic wastewater have attracted increasing attention. Such wastewater generally has various types, complex components, poor biodegradability, COD, chromaticity, salt and toxic and harmful substances. advanced features. Limits the direct use of biological methods. However, traditional physical and chemical pretreatment methods usually have disadvantages such as high treatment cost, complicated process, and difficu...

Claims

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Application Information

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IPC IPC(8): C02F1/46C02F1/70C02F1/72C02F1/28C02F1/52
Inventor 张智尹晓静付国楷姚娟娟林艳向平渠光华
Owner CHONGQING UNIV
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