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Plant straw full composition comprehensive utilization technology

A plant straw and full-component technology is applied in the field of comprehensive utilization of plant straws, which can solve the problems of large environmental pollution and low resource utilization rate, and achieve the effects of convenient use and simple process.

Inactive Publication Date: 2015-09-02
张传洋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a process for the comprehensive utilization of all components of plant stalks to solve the problems of large environmental pollution and low utilization rate of resources in the existing process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 100kg of wheat straw is manually separated into 20kg of cellulose, 30kg of lignin and 50kg of hemicellulose; the obtained 20kg of cellulose is added with 1kg of cellulase to obtain plant fiber and cellulosic ethanol; the obtained 30kg of lignin is passed through 1kg of 88% concentrated sulfuric acid is liquefied to obtain a phenol raw material substitute; 50 kg of the obtained hemicellulose is liquefied with 2.5 kg of 90% concentrated sulfuric acid to obtain xylose or furfural products.

Embodiment 2

[0020] 100kg of rice straw is manually separated into 25kg of cellulose, 35kg of lignin and 40kg of hemicellulose; the obtained 25kg of cellulose is added with 0.5kg of cellulase to obtain plant fiber and cellulosic ethanol; the obtained 35kg of lignin is passed through a concentration of 1kg liquefying 95% concentrated sulfuric acid to obtain a phenol raw material substitute; liquefying 5 kg of the obtained hemicellulose through 5 kg of 92% concentrated sulfuric acid to obtain xylose or furfural products.

Embodiment 3

[0022] 100kg of corn stalks were manually separated into 30kg of cellulose, 30kg of lignin and 40kg of hemicellulose; the obtained 30kg of cellulose was added with 1kg of cellulase to obtain plant fiber and cellulosic ethanol; the obtained 30kg of lignin was passed through 1.5kg concentration liquefying 96% concentrated sulfuric acid to obtain a phenol raw material substitute; liquefying 40 kg of the obtained hemicellulose with 2 kg of 97% concentrated sulfuric acid to obtain xylose or furfural products.

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PUM

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Abstract

The invention discloses a plant straw full composition comprehensive utilization technology. The plant straw full composition comprehensive utilization technology includes following steps: manually separating plant straw into cellulose, lignin and hemicellulose; adding cellulose enzymes into the obtained cellulose so as to obtain plant fibers and cellulosic ethanol; performing liquefaction treatment on the obtained lignin so as to obtain a phenol raw material substitute; performing liquefaction treatment on the obtained hemicellulose so as to obtain wood sugar or furfural products. The plant straw full composition comprehensive utilization technology is simple, convenient to use, and capable of effectively recycling the plant straw.

Description

technical field [0001] The invention belongs to a comprehensive utilization process of plant straws, in particular to a comprehensive utilization process of all components of plant straws. Background technique [0002] Straw is the general term for the stems and leaves of mature crops, and usually refers to the remaining parts of wheat, rice, corn, potatoes, rapeseed, cotton, sugar cane and other crops after harvesting seeds. More than half of the photosynthetic products of crops exist in straw, which is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter, and is a multi-purpose renewable biological resource. Straw is also a roughage. It is characterized by high crude fiber content (30%-40%), and contains lignin and so on. Although lignocellulose cannot be utilized by pigs and chickens, it can be absorbed and utilized by ruminant cattle, sheep and other livestock. Contents of the invention [0003] The purpose of the present invention is to pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/10C07D307/50C07D307/48C07H3/02C07H1/00C07G1/00
CPCC07D307/48C07D307/50C07G1/00C12P7/10C12P19/14C13K13/002Y02E50/10
Inventor 张传洋
Owner 张传洋