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Method for preparing degradable material from Spartina anglica

A technology for degrading materials and rice grass, applied in the field of preparation of degradable materials, can solve problems such as waste pollution of the environment, and achieve the effects of improving economic value and improving overall ecological benefits.

Inactive Publication Date: 2020-05-08
宁波荣书生物科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main components of Spartina are cellulose, hemicellulose and lignin, the contents of which are about 32.9%, 27.65%, and 24.2% respectively, and the total content reaches about 85%. It belongs to lignocellulosic biomass, while the other components of Spartina are Polysaccharides and a small amount of protein, the current use of Spartina is mainly to extract polysaccharides, and the remaining residues are directly discarded, which not only improves the utilization rate, but also pollutes the environment if the waste is not treated

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: A method for preparing degradable materials from Spartina, comprising the following steps: Step A: Select the whole Spartina herb, wash it and then cut and pulverize it, so that the whole Spartina grass is pulverized into raw materials. Step B: Soak the crushed raw materials in water to obtain a soaking mixture. The mass ratio of the crushed raw materials to water is 1:6. Stir continuously during soaking. The temperature during soaking is 90°C, and the soaking time is 1 hour and 30 minutes. . Step C: When the temperature of the soaking mixture is lowered to 40°C, keep the temperature, then carry out enzymatic hydrolysis on the soaking mixed solution for at least 50 minutes, and filter after the enzymolysis is completed. The filtrate and the residue of Spartina are obtained respectively; the filtrate can extract polysaccharides through the method of centrifugal filtration-compression-ethanol leaching.

[0017] Step D: Drying the residue of Spartina. The dr...

Embodiment 2

[0019] Embodiment 2: A method for preparing a degradable material from Spartina, comprising the following steps: Step A: Select the whole Spartina herb, wash it and then cut and pulverize it, so that the whole Spartina grass is pulverized into raw materials. Step B: Soak the pulverized raw material in water to obtain a soaking mixture. The mass ratio of the pulverized raw material to water is 110. Stir continuously during soaking. The temperature during soaking is 99° C. and the soaking time is 2 hours. Step C: When the temperature of the soaking mixture is lowered to 30°C, keep the temperature, then carry out enzymatic hydrolysis on the soaking mixed solution for at least 50 minutes, and filter after the enzymolysis is completed. The filtrate and the residue of Spartina are obtained respectively; the filtrate can extract polysaccharides through the method of centrifugal filtration-compression-ethanol leaching.

[0020] Step D: Drying the residue of Spartina. The drying temper...

Embodiment 3

[0023] Embodiment 3: A method for preparing a degradable material from Spartina, comprising the following steps: Step A: Select the whole Spartina herb, wash it, cut and pulverize it, and crush the whole Spartina grass into raw material pulverization. Step B: Soak the crushed raw materials in water to obtain a soaking mixture. The mass ratio of the crushed raw materials to water is 1:8. Stir continuously during soaking. The temperature during soaking is between 95°C and the soaking time is 1 hour. 30 points. Step C: When the temperature of the soaking mixture is lowered to 40°C, keep the temperature, then carry out enzymatic hydrolysis on the soaking mixed solution for at least 50 minutes, and filter after the enzymolysis is completed. The filtrate and the residue of Spartina are obtained respectively; the filtrate can extract polysaccharides through the method of centrifugal filtration-compression-ethanol leaching.

[0024]Step D: Drying the residue of Spartina. The drying t...

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Abstract

The invention discloses a method for preparing a degradable material from Spartina anglica, and relates to a preparation method of a degradable material. Residues remained in a process of extracting polysaccharides from Spartina anglica and gelatinized starch are subjected to high-temperature and high-pressure pressing to obtain the degradable material. Compared with the prior art, the method forpreparing the degradable material from the residues left in the process of extracting polysaccharides from Spartina anglica has the following advantages: the Spartina anglica is turned into valuables,the economic value of the Spartina anglica is improved, and the overall ecological benefit is also improved. Meanwhile, a subsequent industrial chain of the process for extracting the polysaccharidesfrom the Spartina anglica is supplemented, so that the utilization rate of the Spartina anglica reaches 100%, the existence of Spartina anglica residues is avoided, and the whole industrial chain iscompletely pollution-free.

Description

technical field [0001] The invention relates to a preparation method of a degradable material, in particular to a degradable material whose main material is Spartina. Background technique [0002] Spartina, a perennial herb, positive, wet, has the characteristics of salt and alkali tolerance, flood tolerance, and developed root system. It can play an important role in protecting beaches and banks, promoting siltation and land formation, and can also increase soil organic matter and improve soil aggregate structure. , Improve saline soil, used as green manure, fuel, papermaking, rope making, etc. It was once called the "pioneer plant". Spartina was introduced into my country in the 1960s in order to control coastal pollution, but Spartina spread rapidly as an alien species, causing irreversible major disasters to my country's coastal ecological environment so far. At present, the most effective way to control Spartina is to turn Spartina from damage into treasure, promote i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L1/02C08L5/14C08L97/00C08L3/02C08K3/34C08B37/00
CPCC08B37/0003C08L1/02C08L2201/06C08L2205/035C08L5/14C08L97/005C08L3/02C08K3/34
Inventor 蔡立胜董试
Owner 宁波荣书生物科技有限公司
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