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Method for recovering organic nutrients and water in waste of organic synthesis industry

A technology for industrial waste and organic synthesis, which is used in chemical instruments and methods, solid waste removal, neutralization water/sewage treatment, etc. Effects of processing effects

Pending Publication Date: 2020-03-31
ANYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, compared with large-scale industrial production, the latter's parameter control and uniformity control of the reaction system are also more difficult.

Method used

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  • Method for recovering organic nutrients and water in waste of organic synthesis industry
  • Method for recovering organic nutrients and water in waste of organic synthesis industry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for reclaiming organic nutrients and water in organic synthetic industrial waste, comprising the steps of:

[0031] (1) filtering organic synthesis industrial waste to obtain solid organic products and waste liquid;

[0032] (2) carrying out to the organic product of step (1) gained is that 52% dilute nitric acid is carried out acidification with volume concentration, and at the temperature of 120 ℃, adjust pH value to be 1, dilute nitric acid addition is 4% of organic product quality, adds volume concentration Redox reaction is carried out for 35% hydrogen peroxide, natural sedimentation for 48 hours, the amount of hydrogen peroxide added is 3% of the quality of organic products, sedimentation filtration, adding 5% of the quality of organic products, including photosynthetic bacteria, lactic acid bacteria, yeast, Gram The positive actinomycetes and the EM flora of the fermented filamentous flora were subjected to liquid natural fermentation for 20 days to obta...

Embodiment 2

[0035] A method for reclaiming organic nutrients and water in organic synthetic industrial waste, comprising the steps of:

[0036] (1) filtering organic synthesis industrial waste to obtain solid organic products and waste liquid;

[0037] (2) carrying out acidification to step (1) gained organic product with volume concentration is that 50% dilute nitric acid is acidified, and at a temperature of 110° C., the pH value is adjusted to 0.5, and the dilute nitric acid addition is 3% of the organic product quality, adding volume concentration Carry out redox reaction for 30% hydrogen peroxide, settle naturally for 24 hours, the amount of hydrogen peroxide added is 2.5% of the organic product quality, sedimentation filtration, add 5% of the organic product quality, including photosynthetic bacteria group, lactic acid bacteria group, yeast group, Gram The positive actinomycetes and the EM flora of the fermented filamentous flora were subjected to liquid natural fermentation for 17 ...

Embodiment 3

[0040] A method for reclaiming organic nutrients and water in organic synthetic industrial waste, comprising the steps of:

[0041] (1) filtering organic synthesis industrial waste to obtain solid organic products and waste liquid;

[0042] (2) carry out acidification to step (1) gained organic product with the volume concentration of 51% dilute nitric acid, adjust the pH value to be 0.5 at a temperature of 115° C., the addition of dilute nitric acid is 3% of the organic product quality, add the volume concentration Redox reaction is carried out for 33% hydrogen peroxide, natural sedimentation for 30 hours, the amount of hydrogen peroxide added is 2.5% of the quality of organic products, sedimentation filtration, adding 5% of the quality of organic products, including photosynthetic bacteria, lactic acid bacteria, yeast, Gram The positive actinomycetes and the EM flora of the fermented filamentous flora were subjected to liquid natural fermentation for 18 days to obtain active...

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PUM

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Abstract

The invention discloses a method for recycling organic nutrients and water in the waste of the organic synthesis industry. The method comprises the following steps: (1) filtering the waste of the organic synthesis industry to obtain a solid organic product and waste liquid; (2) subjecting the organic product obtained in the step (1) to acidifying, reducing, settling, filtering and fermenting so asto obtain an organic nutrient; and (3) adding a precipitant into the waste liquid obtained in the step (1), successively performing stirring, standing and filtering, introducing ozone into the wasteliquid, aerating the waste liquid, adding activated carbon, carrying out filtering, putting the waste liquid into an iron-carbon micro-electrolysis treatment tank for electrolysis, and precipitating the electrolyzed waste liquid to obtain recyclable water. The method has the advantages of extremely low heavy metal content, high recovery efficiency, low energy consumption, environment friendliness,universality and easiness in popularization.

Description

technical field [0001] The invention belongs to the technical field of chemical industry and relates to a method for recovering organic nutrients and water in organic synthesis industrial waste. Background technique [0002] Organic synthesis reaction is a main way for the chemical industry to obtain target products. The reaction feed liquid system after the reaction is mainly composed of target products, residual raw materials and by-products. These wastes are complex in composition and mainly contain organic matter and heavy metal ions. In industry, how to separate and purify the reaction feed liquid to obtain the target product with high efficiency and high purity, and recycle the waste liquid and waste residue to the maximum extent are closely related to the efficiency and cost of industrial production. Moreover, compared with large-scale industrial production, the latter's parameter control and uniformity control of the reaction system are also more difficult. Therefor...

Claims

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Application Information

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IPC IPC(8): C02F9/06C02F11/00C02F11/02C02F11/06C02F11/121B09B3/00B09B5/00C02F103/36
CPCB09B3/00B09B5/00C02F1/001C02F1/283C02F1/461C02F1/463C02F1/4676C02F1/50C02F1/5236C02F1/62C02F1/66C02F1/78C02F9/00C02F11/00C02F11/02C02F11/06C02F11/121C02F2001/007C02F2103/36C02F2301/08C02F2303/04C02F2303/06Y02W30/20
Inventor 王薪孙凯蒲卫亚
Owner ANYANG NORMAL UNIV
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