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Multi-component high-activity carbon source Carbon-5 as well as preparation and application thereof

A composite, highly active technology, applied in the fields of special compound water treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of slow domestication, slow effect, high price, etc., and achieve fast domestication. Effect

Pending Publication Date: 2020-04-10
南京乐透思高新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advantages of liquid carbon sources are high carbon content and fast speed, but the disadvantages are also obvious: they are expensive and sometimes slow to domesticate. Solid carbon sources are cheap but have low carbon release and slow results

Method used

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  • Multi-component high-activity carbon source Carbon-5 as well as preparation and application thereof
  • Multi-component high-activity carbon source Carbon-5 as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Take 500KG of mildly rotten apple and pear mixture (the rotten area is less than 10%), remove the mildewed part and use a beater to beat it into a slurry with a particle size of 3 mm to obtain a slurry of about 450KG, then take the mixed cornstarch production wastewater and glycerin production wastewater The mixed solution (density 1.18g / cm 3 , COD 272,000 mg / L, lime water adjusted to pH 6.3) about 110KG, fully mixed and poured into 1m 3 Seal the fermentation tank and inoculate 0.28KG of activated yeast, ferment with alcohol at 25°C for 7 days, filter through a 100-mesh sieve to get the supernatant to obtain 236KG of supernatant, pour it into a 500KG fermentation tank, inoculate 0.236KG of activated acetic acid bacteria, and ferment, and the fermentation is completed. Then adjust the pH to 7.0 with lime water and pass through a 200-mesh sieve to obtain Carbon-5, a clear liquid carbon source. The carbon source related parameters obtained from the test are COD 820,000 mg...

Embodiment 2

[0031] Take 500KG of mildly rotten corn and zucchini mixture (rotten area is less than 10%), remove the mildewed part and use a beater to beat it into a slurry with a particle size of 3 mm to obtain about 420KG of slurry, then take the mixed cornstarch production wastewater and glycerin wastewater ( Density 1.18g / cm 3 ,COD 272,000 mg / L, pH 6.3, lime water to adjust pH) about 105KG, fully mix and pour into 1m 3 Seal the fermenter and inoculate 0.27KG of activated yeast, ferment at 25°C for 7 days, filter through a 100-mesh sieve to get the supernatant to obtain 213KG of the supernatant and pour it into the 500KG fermenter to inoculate 0.213KG of acetic acid bacteria to activate and ferment, after the fermentation is completed, use The lime water was adjusted to pH 7.0 and passed through a 200-mesh sieve to obtain Carbon-5, a clear liquid carbon source. Test carbon source related parameters COD 780,000 mg / L, density 1.3g / cm 3 , after the viscosity is 5.32cp, it is stored in se...

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Abstract

The invention discloses a multi-component high-activity carbon source Carbon-5 and preparation thereof, and application of the multi-component high-activity carbon source Carbon-5 in denitrification biochemical treatment. The multi-component high-activity carbon source Carbon-5 is prepared from rotten fruits and vegetables, starch production wastewater and glycerol production wastewater through alcohol fermentation activated by yeast at first and acetic acid bacterium activated fermentation next. Domestic waste rotten vegetables and fruits are effectively utilized, and the waste rotten vegetables and fruits can only be buried if not recycled and can lead to eutrophication of water and soil; and a part of chemical production sewage is comprehensively utilized, so sewage treatment pressure is reduced, and the waste is turned into the wealth. The novel carbon source disclosed by the invention is rich in nutrition, carbon source varieties and various trace elements, very suitable for bacterial reproduction and growth, and high in domestication speed.

Description

technical field [0001] The invention relates to a multi-component composite type high-active carbon source Carbon-5 and its preparation and application in denitrification and biochemical treatment. Background technique [0002] With the development of society and the continuous improvement of people's living standards, various kinds of sewage have gradually increased, resulting in the eutrophication of natural water bodies. Among them, the nitrogen-carbon ratio of sewage exceeds the standard, which leads to the addition of exogenous substances to sewage during biochemical nitrogen removal. carbon source. At present, exogenous carbon sources mainly include small molecular organics such as methanol, ethanol, acetic acid, sodium acetate, etc., sugars including glucose, sucrose and other liquid carbon sources, and some solid carbon sources. The advantage of liquid carbon source is that the carbon content is high and the speed is fast. The disadvantage is also obviously expensiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P1/02C12P1/04C02F3/28
CPCC12P1/02C12P1/04C02F3/28C02F2305/06Y02W10/10
Inventor 朱阳光朱成成齐海霞刘兹敏
Owner 南京乐透思高新材料科技有限公司
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