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Method and device for treating wastewater of breweries

A wastewater treatment and beer technology, which is applied in the direction of food industry wastewater treatment, biological water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problems of large tail water, unfavorable environmental protection, etc., and achieve the effect of complete settlement

Inactive Publication Date: 2015-04-22
周桂英
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The treatment method disclosed in the above-mentioned patent does not perform SS (suspended solids) settlement treatment on the above-mentioned wastewater, so that the SS (suspended solids) value of the discharged tail water is still too large, which is not conducive to environmental protection

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  • Method and device for treating wastewater of breweries
  • Method and device for treating wastewater of breweries
  • Method and device for treating wastewater of breweries

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Embodiment Construction

[0043] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0044] For example, a method for treating brewery wastewater includes the following steps: after removing slag from brewery wastewater, obtaining first pretreated brewery wastewater; putting the first pretreated brewery wastewater into a flocculant for pre-precipitation, and After the...

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Abstract

The invention provides a device for treating wastewater of breweries. The device comprises a decontamination grille, a water collection tank, an adjustment and sedimentation tank, a retaining anaerobic reactor, a liquid sealing tank, a methane storage tank, a vertical flow sedimentation tank, an aerobic reaction tank, an air blower, a biological absorption tank, a sludge sump, a concentration tank, a sludge storage tank and a dewatering room. The device can be used for decreasing the COD (chemical oxygen demand), BOD (biochemical oxygen demand) and TN (total nitrogen) of the wastewater of breweries effectively. In addition, the vertical flow sedimentation tank provided with a tank body, a water collection trough, a center pipe, a water inlet pipe, a sludge pipe and a water outlet pipe can be used for changing suspended matters in the wastewater of breweries into bottom sludge so that the suspended matters sedimentate thoroughly. In addition, the invention further provides a method for treating the wastewater of the breweries.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a brewery wastewater treatment method and a treatment device. Background technique [0002] As one of people's favorite low-alcohol wines, beer is mainly made from corn and barley, and then added hops and fresh yeast for fermentation and brewing. Brewery wastewater mainly includes wheat leaching wastewater, saccharification wastewater, spent yeast liquid, washing wastewater and cooling drainage, etc. The main components of sewage are sugar and protein. [0003] The main water quality indicators of brewery wastewater are: COD (chemical oxygen demand) = 1000mg / L ~ 25000mg / L, BOD (biochemical oxygen demand) = 700mg / L ~ 1500mg / L, SS (suspended solids) = 300mg / L ~600mg / L, TN (total nitrogen content)=30mg / L~60mg / L, PH=5~6. [0004] Brewery wastewater is a medium-concentration biodegradable organic wastewater that does not contain toxic substances. Among the various wastewater str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F103/32
CPCC02F1/52C02F3/02C02F3/28C02F3/327C02F9/00C02F2103/32Y02E50/30
Inventor 周桂英
Owner 周桂英
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