Modified bentonite adsorbent for fixing benzene degrading bacterium

A technology of bentonite and adsorbent, which is applied in the field of research and development and preparation of functional materials, can solve the problems of lack of fixed benzene-degrading bacteria, etc., and achieve the effects of stable properties, good mass transfer performance, and high mechanical strength

Inactive Publication Date: 2017-05-24
光合强化(北京)生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented modification made by this inventive method allows created absorbents with improved physical-chemistry features such as strong bond between particles or better fluid transport capabilities over time compared to existing methods. These improvements make them more effective at removing harmful substances from water streams effectively while maintain their stability during use.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the quality and quantity of antimony contained in wastewaters that may cause environmental concerns over human health. Specifically, while existing technologies like immobilizable carboxymethyl cell (CMC) technology allows certain types of harmful substances called benzeneba(BPA), an indigenously distributed type of metal catalyst found throughout nature, to stay suspended within specific areas without being released during their use process. To address these issues, new materials were introduced specifically designed to fix BPA outdoors effectively.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (1) Add 40 g of bentonite to 300 mL of 9% sodium dihydrogen phosphate solution, stir at 1000 r / min for 50 minutes, filter to remove the liquid, wash with 500 mL of deionized water and place in a drying oven at 102 ° C Stand for 70 minutes to obtain substance A;

[0029] (2) Add 13.5g of dibutyl phosphate into 200mL of absolute ethanol, and stir for 10 minutes at 1200r / min to obtain a mixed solution L;

[0030] (3) Add 6.2 grams of dithiooxamide and 5.0 grams of dimethylaminosulfonyl chloride into 150 mL of isopropanol, and stir for 10 minutes at 1200 r / min to obtain a mixed liquid M;

[0031] (4) Add the mixed solution L and 8.4 grams of o-toluic acid into the mixed solution M, and stir for 10 minutes under the condition of 1200r / min to obtain the mixed solution N;

[0032] (5) Add substance A to mixed solution N, shake in a shaker at 30°C for 15 minutes, filter and remove the liquid to obtain substance B, place substance B in a drying oven at 102°C for 120 minutes, an...

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PUM

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Abstract

The invention discloses a modified bentonite adsorbent for fixing a benzene degrading bacterium. Bentonite is modified through mixed liquor prepared from sodium dihydrogen phosphate, dibutyl phosphate, dithiooxamide, dimethylsulfamoyl chloride and o-toluic acid, and then is prepared into a substance C; the substance C is modified through mixed liquor prepared from p-hydroxybenzoic acid, phenylbutyric acid, benzanthrone, 4-chlorophenylhydrazine and 3-mercaptopropionic acid, and then is prepared into a substance D; the substance D is modified through mixed liquor prepared from 2,4,6-trimethylpyridine, quinuclidin-3-ol and azobisisoheptonitrile, and then is prepared into a substance F; the substance F is modified through mixed liquor prepared from 2-chloroanthraquinone, ethylene glycol monomethyl ether and dipolyglycerol; an obtained substance is the bodified bentonite adsorbent for fixing the benzene degrading bacterium.

Description

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Claims

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Application Information

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Owner 光合强化(北京)生物科技有限公司
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