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Tech. for treating waste water of fruit juice processing

A technology for processing waste water and treatment process, which is applied in the direction of aerobic process treatment, biological water/sewage treatment, flotation water/sewage treatment, etc. It can solve the problems of unsatisfactory treatment effect and difficult discharge or reuse of effluent water quality. Achieve remarkable removal effects, save engineering investment and operating costs, and improve efficiency

Inactive Publication Date: 2006-06-28
宋乾武
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing juice processing wastewater treatment process generally uses anaerobic sedimentation tanks for core treatment. The treatment effect for this wastewater containing high concentrations of pectin-like organic matter is not ideal, and the effluent quality is difficult to meet the discharge or reuse standards.

Method used

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  • Tech. for treating waste water of fruit juice processing

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Embodiment Construction

[0022] figure 1 It is a flow chart of the fruit juice processing wastewater treatment process of the present invention, which specifically includes the following process steps:

[0023] 1. The wastewater first flows into the regulating pool, which is equipped with a stirrer, and the wastewater is fully stirred to achieve the balance of water quality and quantity;

[0024] 2. The water treated in step 1 enters the air flotation tank, and is degummed and suspended by the air flotation process. In this embodiment, the air flotation degumming process adopts a direct ultra-fine air flotation machine, and the hydraulic retention time is generally 0.5 to 1 hour. Directly remove more than 80% of suspended matter and about 40% of organic matter;

[0025] 3. The water treated by the air flotation process enters the anaerobic reaction tank, and the anaerobic reaction tank is equipped with an upflow anaerobic sludge bed reactor, which further reduces the content of organic matter and sus...

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Abstract

A process for treating the sewage generated by preparing fruit juice includes such steps as regulating pH value and flow, air floating for degumming, anaerobic fermenting decomposing, aerobic treating, mud-water separation, biologic treating, physical filtering and disinfecting. Its advantages are high-effect to remove organic substances (pectin) and low cost.

Description

technical field [0001] The invention relates to a wastewater treatment process, in particular to a fruit juice processing wastewater treatment process containing high-concentration organic pectin. Background technique [0002] Juice production process, especially apple juice production process, the waste water mainly comes from washing, crushing, juicing and other processes. The waste water contains a large amount of crushed fruit chips and pectin, with high concentration of organic matter, high content of suspended matter, low pH value, and water quality. characteristics such as large changes. This wastewater must be treated to meet national standards before it can be discharged. The existing juice processing wastewater treatment process generally uses anaerobic sedimentation tanks for core treatment. The treatment effect for this wastewater containing high concentrations of pectin-like organic matter is not ideal, and the effluent quality is difficult to meet the discharg...

Claims

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Application Information

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IPC IPC(8): C02F3/28C02F1/24C02F1/28C02F1/52C02F3/02C02F3/12
CPCY02W10/10
Inventor 宋乾武
Owner 宋乾武
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