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Biological active carbon with banyan leaves as carbon source carrier based on culture of high-sugar wastewater

A technology of biological activated carbon and banyan leaves, applied in the direction of microorganisms, water pollutants, biological water/sewage treatment, etc., can solve environmental pollution and other problems, achieve long service life, enhance adsorption, and overcome hydrophobicity problems

Active Publication Date: 2019-06-18
INST OF AGRI ENG TECH FUJIAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wastewater mainly contains a large amount of soluble organic matter (sugar, fatty acid, protein, starch, etc.), although the content of organic matter is low, but they are all easily degradable substances, which will degrade very quickly after being discharged into the water body, causing environmental pollution

Method used

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  • Biological active carbon with banyan leaves as carbon source carrier based on culture of high-sugar wastewater
  • Biological active carbon with banyan leaves as carbon source carrier based on culture of high-sugar wastewater
  • Biological active carbon with banyan leaves as carbon source carrier based on culture of high-sugar wastewater

Examples

Experimental program
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Effect test

Embodiment 1

[0043] A kind of bioactivated carbon with ficus leaves cultivated in high-sugar wastewater as carbon source carrier, the specific content is:

[0044] (1) Preparation of porous defect-rich carbon carrier with banyan leaves as carbon source

[0045] 1) Put 90g of NaOH and KOH mixed alkali in a 200 ml reactor liner and melt it at 166-℃ for 2 hours to obtain a clarified molten alkali;

[0046] 2) Using 100g of agricultural and forestry waste-banyan leaves as a raw material, add it to the clarified molten lye and react for 8 hours to generate a carbon precursor material;

[0047] 3) The carbon precursor material was washed with water and absolute ethanol in sequence, and dried at 60°C for 12 hours to obtain a powder carbon precursor;

[0048] 4) Calcining the powdered carbon precursor in a nitrogen atmosphere at 500°C for 2 hours to obtain a porous defect-rich carbon powder carrier material;

[0049] 2. Add 10 g of porous and defect-rich carbon carrier to 100 ml of high-sugar wa...

Embodiment 2

[0052] A kind of bioactivated carbon with ficus leaves cultivated in high-sugar wastewater as carbon source carrier, the specific content is:

[0053] (1) Preparation of porous defect-rich carbon carrier with banyan leaves as carbon source

[0054] 1) Put 90g of mixed alkali of NaOH and KOH in a 200 ml reactor liner, and melt it at 165°C for 2 hours to obtain a clarified molten alkali;

[0055] 2) Using 100g of agricultural and forestry waste-banyan leaves as a raw material, add it to the clarified molten lye and react for 4 hours to generate a carbon precursor material;

[0056] 3) The carbon precursor material was washed with water and absolute ethanol in sequence, and dried at 60°C for 12 hours to obtain a powder carbon precursor;

[0057] 4) Calcining the powdered carbon precursor in a nitrogen atmosphere at 500°C for 2 hours to obtain a porous defect-rich carbon powder carrier material;

[0058] 2. Add 10 g of porous and defect-rich carbon carriers to 50 ml of high-suga...

Embodiment 3

[0061] A kind of bioactivated carbon with ficus leaves cultivated in high-sugar wastewater as carbon source carrier, the specific content is:

[0062] (1) Preparation of porous defect-rich carbon carrier with banyan leaves as carbon source

[0063] 1) Put 90g of mixed alkali of NaOH and KOH in a 200 ml reactor liner, and melt it at 200°C for 2 hours to obtain a clarified molten alkali;

[0064] 2) Take 100g of agricultural and forestry waste-banyan leaves as raw material, add it into clarified molten lye and react for 12 hours to generate carbon precursor materials;

[0065] 3) The carbon precursor material was washed with water and absolute ethanol in sequence, and dried at 60°C for 12 hours to obtain a powder carbon precursor;

[0066] 4) Calcining the powdered carbon precursor in a nitrogen atmosphere at 500°C for 2 hours to obtain a porous defect-rich carbon powder carrier material;

[0067] 2. Add 10 g of porous and defect-rich carbon carriers to 150 ml of high-sugar wa...

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Abstract

The invention belongs to the technical field of biological active carbon, and particularly relates to biological active carbon with banyan leaves as a carbon source carrier based on culture of high-sugar wastewater. The porous surface-defect-rich carbon carrier with the banyan leaves as a carbon source is placed in a culture medium, mixed strains are inoculated into the high-sugar wastewater in two steps, and through vibration and co-culture, the biological active carbon is prepared. Through culture in two steps, oligosaccharides or cellulose in the high-sugar wastewater are / or subjected to enzymolysis into low-molecular saccharides advantageously by the microbial strains added in the early stage, and produced mesostate can serve as the carbon source for growth and reproduction of the microbial strains added in the later period. Organic matter and pollutants adsorbed by the carrier carbon are efficiently utilized and synergistically degraded by microorganisms, and therefore a water purifying agent has the double purifying effects of carbon physical adsorption and bio-enzyme degradation, and is hydrophilic but easy to precipitate, and very suitable for scale treatment of the high-sugar wastewater.

Description

technical field [0001] The invention belongs to the technical field of biological activated carbon, and in particular relates to a biological activated carbon cultivated in high-sugar wastewater and using banyan leaves as carbon source carriers. technical background [0002] At present, dairy products such as yogurt, fresh milk, pure milk, and milk powder have entered thousands of households at home and abroad, and have become indispensable nutrients for many people. However, there will be a certain amount of wastewater discharged during the processing of dairy products, mainly from bottled water. , brush irrigation, flushing water, etc. Wastewater mainly contains a large amount of soluble organic matter (sugar, fatty acid, protein, starch, etc.), although the content of organic matter is low, they are all easily degradable substances, which will degrade very quickly after being discharged into the water body, causing pollution to the environment . [0003] In the test and...

Claims

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Application Information

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IPC IPC(8): C12P3/00C02F3/34C02F101/30C12R1/38C12R1/125C12R1/645C12R1/01
Inventor 魏云华李洁陈彪黄婧
Owner INST OF AGRI ENG TECH FUJIAN ACAD OF AGRI SCI
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