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Method for treating small preserved tomato processing wastewater

A technology for processing waste water and treatment methods, which is applied in food industry waste water treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. It can solve the problems of high energy consumption and low treatment efficiency in waste water treatment, and achieve the goal of treatment High efficiency, high biological activity, and the effect of saving infrastructure investment

Inactive Publication Date: 2015-12-30
YONGREN XINDETIAN BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of high energy consumption and low treatment efficiency in the existing wastewater treatment, the present invention provides a treatment method for the treatment wastewater of preserved tomato fruit, which improves the treatment efficiency and is easy to operate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Put the processed wastewater of small tomato preserves to be treated into the conventional sewage treatment grid to remove large-sized floating matter, suspended matter and smaller solid matter;

[0023] (2) According to the solid-to-liquid ratio of g / mL, it is 3:100, and the treatment agent is added to the wastewater obtained in step (1) for stirring and mixing to obtain a reaction system; wherein the treatment agent is composed of the following components by mass: 18 parts of activated carbon , 1 part of bentonite, 1.5 parts of polyaluminum chloride, 12 parts of ferrous chloride;

[0024] (3) The reaction system in step (2) is subjected to sedimentation treatment to remove the sediment, then hydrogen peroxide with a mass of 2-10% of the reaction system is added, and then heated under microwave for 30s to obtain effluent;

[0025] (4) The effluent from step (3) is subjected to anoxic treatment with anoxic microorganisms, and the metabolism of anoxic microorganisms ...

Embodiment 2

[0029] (1) Put the processed wastewater of small tomato preserves to be treated into the conventional sewage treatment grid to remove large-sized floating matter, suspended matter and smaller solid matter;

[0030] (2) The solid-to-liquid ratio is 1:100 in g / mL, and a treatment agent is added to the waste water obtained in step (1) for stirring and mixing to obtain a reaction system; wherein the treatment agent is composed of the following components by mass: 15 parts of activated carbon , 0.5 parts of bentonite, 0.5 parts of polyaluminum chloride, 10 parts of ferrous chloride;

[0031] (3) The reaction system in step (2) was subjected to sedimentation treatment to remove the sediment, then added hydrogen peroxide with a mass of 2-10% of the reaction system, and then heated under microwave for 10 seconds to obtain effluent;

[0032] (4) The effluent from step (3) is subjected to anoxic treatment with anoxic microorganisms, and the metabolism of anoxic microorganisms is used to...

Embodiment 3

[0036] (1) Put the processed wastewater of small tomato preserves to be treated into the conventional sewage treatment grid to remove large-sized floating matter, suspended matter and smaller solid matter;

[0037] (2) According to the solid-to-liquid ratio of g / mL, it is 5:100, and the treatment agent is added to the waste water obtained in step (1) for stirring and mixing to obtain a reaction system; wherein the treatment agent is composed of the following components by mass: 20 parts of activated carbon , 1.5 parts of bentonite, 2 parts of polyaluminum chloride, 15 parts of ferrous chloride;

[0038] (3) The reaction system in step (2) was subjected to sedimentation treatment to remove the sediment, then added hydrogen peroxide with a mass of 2-10% of the reaction system, and then heated under microwave for 1 min to obtain effluent;

[0039] (4) The effluent from step (3) is subjected to anoxic treatment with anoxic microorganisms, and the metabolism of anoxic microorganism...

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Abstract

The invention discloses a method for treating small preserved tomato processing wastewater. The method comprises the steps of enabling small preserved tomato processing wastewater to be treated to enter a conventional sewage treatment grid, and then, adding a treating agent to stir and mix to obtain a reaction system; removing sediments through sedimentation treatment, then, adding hydrogen peroxide, and carrying out heating treatment under microwaves to obtain effluent; and carrying out anaerobic treatment on the effluent by using anaerobes, then, carrying out aerobic treatment by using aerobes, returning half of the water subjected to aerobic treatment to anaerobic treatment, and removing sediments in the other half of the water after solid-liquid separation to obtain the treated effluent. The method is relatively high in treatment efficiency, wide in process application range, free of sludge expansion and sludge return, simplicity and convenience in management, relatively high in load change adaptability and remarkable in energy-saving effect.

Description

technical field [0001] The invention relates to a treatment method for processing wastewater of preserved small tomatoes, belonging to the technical field of food processing. Background technique [0002] Small tomatoes, that is, cherry tomatoes, also known as small cherries, pearl tomatoes, cherry tomatoes, can be both vegetables and fruits, and can also be made into preserves. The diameter of the fruit is about 1 to 3 cm, and it is bright red and bright (there are new varieties of medium yellow, orange yellow, emerald green and other colors). It is not only bright in color and beautiful in shape, but also sweet in taste, seedless, good in taste and high in nutritional value And unique flavor, it is not only a vegetable but also a fruit, eating and viewing the best of both worlds, favored by the majority of consumers. In addition to containing all the nutrients of tomatoes, its vitamin content is 1.7 times that of ordinary tomatoes. [0003] In the field of tomato preserv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F103/32
Inventor 苏家龙葛弘
Owner YONGREN XINDETIAN BIOTECH CO LTD