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Method for preparing compound biological adsorbent by solid-state fermentation of herb residue

A biosorbent and solid-state fermentation technology, applied in the field of industrial waste recycling, can solve the problems of inability to realize large-scale consumption and utilization of traditional Chinese medicine dregs, harsh cultivation conditions, and low usage, and solve the problems of human and animal competition for food and reaction time Shorten, eliminate the effect of repression

Inactive Publication Date: 2009-10-28
CHENGDU UNIV OF INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the above papers and patents on the use of traditional Chinese medicine dregs to produce adsorbents and flocculants, traditional Chinese medicine dregs are used as a cheap substitute for liquid fermentation medium, and the amount used is very small, accounting for about 1-5% of the entire liquid medium mass , the large-scale consumption and utilization of traditional Chinese medicine dregs cannot be realized, and the liquid fermentation process is prone to bacterial contamination, and the cultivation conditions are relatively harsh

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Example 1 In this example, composite biosorbents were prepared by solid-state fermentation using dregs of Codonopsis pilosula, Ophiopogon japonicus, and Schisandra chinensis as raw materials. Specific steps are as follows:

[0041] 1. Pretreatment of traditional Chinese medicine dregs

[0042]Firstly, dregs of Codonopsis pilosula, Ophiopogon japonicus and Schisandra chinensis are dried under normal pressure at 60°C, and the time is limited when the dregs of traditional Chinese medicine are in an easily crushed state. After the dried Chinese medicine dregs are pulverized and sieved, the concentration (mass ratio) of selected Chinese medicine dregs with a particle size of 1.5-2.0 mm is treated with 15% ammonia water, and the specific operations are as follows:

[0043] Stir the traditional Chinese medicine residue and ammonia water evenly at a mass ratio of 1:7, place at room temperature for 48 hours, filter with suction, wash with water until the filtrate is neutral, an...

Embodiment 2

[0058] Example 2 In this example, composite biosorbents were prepared by solid-state fermentation of chrysanthemum and Sidong traditional Chinese medicine residues. Specific steps are as follows:

[0059] 1. Pretreatment of traditional Chinese medicine dregs

[0060] Firstly, the Chinese chrysanthemum and Sidong medicinal residues are dried under normal pressure at 60°C, and the time is limited when the traditional Chinese medicinal residues are in an easily crushed state.

[0061] After the dried Chinese medicine dregs are pulverized and sieved, the selected Chinese medicine dregs with a particle size of 1.0-1.5 mm are treated with a NaOH solution with a concentration of 1.5%, and the specific operations are as follows:

[0062] The traditional Chinese medicine residue and ammonia water are stirred evenly according to the mass ratio of 1:7, left at room temperature for 48 hours, suction filtered, washed with water until the filtrate is neutral, and then the filter residue is...

Embodiment 3

[0077] Example 3 In this example, a composite biosorbent was prepared by solid-state fermentation of Prunella vulgaris traditional Chinese medicinal residues. Specific steps are as follows:

[0078] 1. Pretreatment of traditional Chinese medicine dregs

[0079] Dry the dregs of Prunella vulgaris at normal pressure and 60°C, and the time is limited when the dregs of Chinese medicine are in a state of being easily crushed. After the dried Chinese medicine dregs are pulverized and sieved, the Chinese medicine dregs with a particle size of 0.5-1.0 mm are selected to be treated with ammonia water with a concentration of 15%. The specific operations are as follows:

[0080] The traditional Chinese medicine residue and ammonia water are stirred evenly according to the mass ratio of 1:7, left at room temperature for 48 hours, suction filtered, washed with water until the filtrate is neutral, and then the filter residue is dried for later use.

[0081] 2. Preparation of cellulase koj...

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Abstract

The invention discloses a method for producing compound biological adsorbent by utilizing herb residues through a synchronous saccharification-solid-state fermentation technology. The invention is realized by the following steps: firstly, the herb residues are pretreated by the following concrete steps of: drying, grinding, screening and chemical treating the herb residues; secondly, the pretreated herb residues, wheat bran and nitrogen sources are uniformly mixed according to a certain proportion, a pH value is regulated, and Trichoderma Koningii Oud or white rot fungus spore suspension liquid is inoculated to prepare cellulase through the solid state fermentation after high-pressure steam sterilization treatment; and thirdly, the cellulase, the pretreated herb residues and the wheat bran are uniformly mixed according to a certain proportion, a pH value is regulated, candida utilis or candida tropicalis spore suspension liquid is inoculated to carry out synchronous saccharification-solid state fermentation, and a mixture of a fermentation product and raw material residues is the compound biological adsorbent.

Description

technical field [0001] The invention belongs to the field of industrial waste recycling, and relates to a solid-state fermentation process for preparing a composite biosorbent by utilizing traditional Chinese medicine dregs. Background technique [0002] Biosorbents refer to organisms and their derivatives with selective adsorption and separation capabilities, mainly including bacteria, fungi, algae and agricultural and forestry wastes. It was first used for the separation of inorganic substances such as heavy metals in aqueous solutions. With the development of technology, it has also been used for the separation and enrichment of biodegradable and toxic organic substances such as dyes and pesticides. Due to the characteristics of abundant sources, low cost, strong selectivity, and high removal efficiency, biosorbents and their application fields have been developed and expanded. [0003] Due to the wide variety of biosorbents, their preparation methods are also different...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/24C12P1/02C12R1/885C12R1/645C12R1/72C12R1/74
Inventor 谭显东王向东羊依金李勇珍刘凤梅
Owner CHENGDU UNIV OF INFORMATION TECH
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