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A method of processing plant material

A technology for plant raw materials and raw materials, applied in the field of processing plant raw materials, can solve problems such as full utilization of unfavorable energy, low product conversion rate, etc., and achieve the effects of excellent performance, low corrosiveness, and reduction of reaction temperature and energy consumption.

Active Publication Date: 2021-04-27
GUANGZHOU YINNOVATOR BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the conversion rate of the product obtained by the method for above-mentioned processing plant raw material is low, is unfavorable for the full utilization of energy

Method used

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  • A method of processing plant material

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Experimental program
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Effect test

Embodiment 1

[0059] (1) Pulverize the eucalyptus wood, extract it with hot water at 60°C for 3 hours, and then sieve it through a 200-mesh sieve to remove impurities to obtain pretreated raw materials;

[0060] (2) Add the pretreated raw material and butanol aqueous solution to the reaction vessel at a material-to-liquid ratio of 1:10, then add 2% oxalic acid, 2% acetic acid, and 1% hydrogen peroxide, wherein butanol in the butanol aqueous solution The mass concentration is 95%, and after mixing, heat at 180°C for 4 hours to obtain the reaction product;

[0061] (3) Separating the reaction product into solid-liquid to obtain fiber I and treatment liquid, using 60°C butanol to wash fiber I, the ratio of solid to liquid is 1:10, and the number of times is 5 times, and separating washing liquid and fiber II, using 60 Washing fiber II at ℃ to obtain slurry and washing liquid, the ratio of solid to liquid is 1:10, the number of times is 5 times, and the slurry is dried to obtain raw pulp fiber;...

Embodiment 2

[0065] (1) Grinding the eucalyptus wood, extracting with hot water at 30°C for 5 hours, and then sieving through a 100-mesh sieve to remove impurities to obtain pretreated raw materials;

[0066] (2) Add the pretreated raw material and butanol aqueous solution to the reaction vessel at a material-to-liquid ratio of 1:1, then add 0.1% potassium sulfate and 3% oxygen, wherein the mass concentration of butanol in the butanol aqueous solution is 90% , mixed and heated at 140°C for 3 hours to obtain the reaction product;

[0067] (3) Separating the reaction product into solid-liquid to obtain fiber I and treatment liquid, using butanol at 30°C to wash fiber I, the ratio of solid to liquid is 1:1, and the number of times is 10 times, to separate washing liquid and fiber II, and continue to use Wash the fiber II at 30°C to obtain slurry and washing liquid, the ratio of solid to liquid is 1:7, the number of times is 3 times, and the slurry is dried to obtain the original pulp fiber; ...

Embodiment 3

[0071] (1) Grinding corn stalks, extracting with hot water at 100°C for 1 hour, and then sieving with 400 meshes to remove impurities to obtain pretreated raw materials;

[0072] (2) Add the pretreated raw material and butanol aqueous solution to the reaction vessel according to the ratio of material to liquid at 1:25, then add 3% hydrochloric acid, 2% potassium dihydrogen phosphate, 2% calcium citrate, and 1% lemon Potassium acid potassium and 0.1% oxygen, wherein the mass concentration of butanol in the butanol aqueous solution is 50%, after mixing, heat at 130° C. for 6 hours to obtain the reaction product;

[0073] (3) Separating the reaction product into solid and liquid to obtain fiber I and treatment liquid, using 80°C butanol to wash fiber I, the ratio of solid to liquid is 1:20, and the number of times is 1, separate the washing liquid and fiber II, and continue to use 80°C Washing fiber II at ℃ to obtain slurry and washing liquid, the ratio of solid to liquid is 1:16...

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Abstract

The present invention provides a method for processing plant raw materials; in the present invention, the raw materials are pulverized, extracted with hot water, sieved to remove impurities, and then added with a specific proportion of n-butanol or isobutanol, oxidants and other additives, The cooking reaction, through the mutual cooperation of pretreatment conditions, solvent addition amount, oxidant addition amount, other additive addition amount and cooking conditions, synergizes, facilitates the penetration of reagents, fully separates raw material components, and basically retains active groups , remarkably improve the cooking efficiency and product yield, so that the product performance is better, the invention has a simple process, can realize industrialized large-scale production, can bring good economic benefits to enterprises, and has broad prospects.

Description

technical field [0001] The invention belongs to the field of lignocellulosic raw material processing, and relates to a method for processing plant raw materials. Background technique [0002] The traditional fossil energy is depleting day by day, but the demand for it is increasing year by year. Therefore, the development and research of petroleum substitutes is imminent. Lignocellulosic raw materials are the most abundant organic matter in nature, and the conversion and utilization of lignocellulosic raw materials has become an inevitable trend. The main components of lignocellulosic raw materials are cellulose, hemicellulose and lignin. After effective separation, the three major components can be converted into high value-added bioenergy, materials and chemicals through processing. [0003] Existing lignocellulosic treatment technologies include physical methods, physical-chemical methods, chemical methods, biological methods, etc., which have poor separation effects an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08H7/00
CPCC08H6/00
Inventor 闵渝刘运思张睿哲甘梓峰
Owner GUANGZHOU YINNOVATOR BIOTECH CO LTD
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