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Method of preparing ethanol from muskmelon vine

A technology of muskmelon vine and ethanol, applied in biofuels, fermentation, etc., can solve the problems of incomplete fermentable sugar and low yield of ethanol, and achieve the effects of low cost, high sugar conversion rate and less residue

Inactive Publication Date: 2016-09-14
广西南宁荣威德新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for preparing ethanol by using muskmelon vines, so as to solve the problems of low yield of ethanol due to incomplete degradation of muskmelon vines into fermentable sugars

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A kind of method utilizing muskmelon vine to prepare ethanol, comprises the following steps:

[0036] S1: Rinse the muskmelon vines with 12% salt water for 2.5 hours, and then dry the muskmelon vines at a temperature of 95-103°C until the water content is ≤11%, to obtain dried muskmelon vines;

[0037] S2: crush the dried muskmelon vine obtained in step S1, and pass through a 150-mesh sieve to obtain muskmelon vine granules;

[0038] S3: Put the muskmelon vine particles prepared in step S2 into a microwave reactor, add solution A and mix evenly, heat to 65°C, pretreat at a stirring speed of 300r / min for 0.8h, then cool to room temperature and filter to prepare Obtain the muskmelon vine particle of pretreatment; Described solution A is the mixed liquor of butanone, ethanol, ammonium phosphotungstate, and the mass concentration of described methyl ethyl ketone is 9%, and the mass concentration of described ethanol is 70%, and described The mass concentration of ammonium ...

Embodiment 2

[0042] A kind of method utilizing muskmelon vine to prepare ethanol, comprises the following steps:

[0043] S1: Rinse the muskmelon vines with 10% salt water for 3 hours, and then dry the muskmelon vines at a temperature of 95-103°C until the water content is ≤11%, to obtain dried muskmelon vines;

[0044] S2: crush the dried muskmelon vine prepared in step S1, and pass through a 120-mesh sieve to obtain muskmelon vine granules;

[0045] S3: Put the muskmelon vine particles prepared in step S2 into a microwave reactor, add solution A and mix evenly, heat to 63°C, pretreat at a stirring speed of 200r / min for 0.9h, then cool to room temperature and filter to prepare Obtain the muskmelon vine particle of pretreatment; Described solution A is the mixed liquor of butanone, ethanol, ammonium phosphotungstate, and the mass concentration of described methyl ethyl ketone is 8%, and the mass concentration of described ethanol is 60%, and described The mass concentration of ammonium ph...

Embodiment 3

[0049] A kind of method utilizing muskmelon vine to prepare ethanol, comprises the following steps:

[0050] S1: Rinse the muskmelon vines with 15% salt water for 2 hours, and then dry the muskmelon vines at a temperature of 95-103°C until the water content is ≤11%, to obtain dried muskmelon vines;

[0051] S2: crush the dried muskmelon vine prepared in step S1, and pass through a 200-mesh sieve to obtain muskmelon vine granules;

[0052] S3: Put the muskmelon vine particles prepared in step S2 into a microwave reactor, add solution A and mix evenly, heat to 66°C, pretreat at a stirring speed of 300r / min for 0.7h, then cool to room temperature and filter to prepare Obtain the muskmelon vine particle of pretreatment; Described solution A is the mixed liquor of butanone, ethanol, ammonium phosphotungstate, the mass concentration of described methyl ethyl ketone is 10%, the mass concentration of described ethanol is 80%, described The mass concentration of ammonium phosphotungst...

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PUM

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Abstract

The invention discloses a method of preparing ethanol from muskmelon vine, and belongs to the technical field of biomass energy. The ethanol is obtained through the following steps: drying muskmelon vines, grinding, and carrying out pretreatment, hydrolysis, and fermentation. The uncertainty of microbial enzymatic fermentation sugar production technology can be avoided, the technological risk is reduced, the sugar conversion rate is high, the generated residue amount is little, the technology is green and environment-friendly; the hydrolysis temperature is lower, the energy consumption is less, and thus the technology is easy to popularize and use.

Description

technical field [0001] The invention belongs to the technical field of biomass energy, and in particular relates to a method for preparing ethanol from muskmelon vines. Background technique [0002] With the growth of population, food, energy and environment are the most important challenges facing human beings. The production of renewable clean energy from cellulosic raw materials has attracted increasing attention, and the production of fuel ethanol from crop wastes is considered to be the most promising industry. Cantaloupe has a wide planting area in my country, and a large amount of cantaloupe vines are also produced every year when the fruit is harvested. Cantaloupe vine has low protein content but high carbohydrate content, and the carbohydrate content of individual varieties is as high as 81% of dry matter, so it is a high-quality raw material for biomass energy production. Research on the conversion of vines to fuel ethanol has started at home and abroad, but comp...

Claims

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Application Information

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IPC IPC(8): C12P7/10
CPCC12P7/10Y02E50/10
Inventor 覃央央
Owner 广西南宁荣威德新能源科技有限公司
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