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Method for preparation of alcohol and formulated feed from potato stalks

A straw and feed technology, applied in the field of resource utilization of agricultural and sideline product waste, can solve the problems of land occupation, unreported potato straw processing and utilization, air pollution, etc., and achieve great benefits, high added value of agricultural products, and low production costs Effect

Active Publication Date: 2018-07-24
安玉民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the traditional literature reports use corn stalks as raw materials, but there is no report on the processing and utilization of potato stalks.
In addition, the potato industry, as the leading agricultural industry in Guyuan, Ningxia, produces more than 1 million tons of potato stalks every year. Such stalks have been stacked or burned in the open air as agricultural waste, which not only occupies land but also generates A lot of smoke and dust, causing air pollution

Method used

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  • Method for preparation of alcohol and formulated feed from potato stalks
  • Method for preparation of alcohol and formulated feed from potato stalks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] This embodiment provides a method for producing ethanol and feed using potato stalks, comprising the following steps:

[0035] S1: Potato straw pretreatment

[0036] After harvesting the potatoes in the same year, cut off the root hairs, wash off the soil, dry in the sun, crush them into 30-mesh slag with a solid grinder, and steam them in a steamer for 40 minutes; Put the pretreatment reagent in the straw powder into the pot, seal it, keep the temperature at 50°C, and carry out pretreatment for 4 days; then filter, wash the filter residue with water until it is neutral, and dry the filter residue in the air. Wherein, the pretreatment reagent includes 1wt.% sodium hydroxide solution and 3wt.% hydrogen peroxide solution with a volume ratio of 2:1.

[0037] S2: Saccharification and fermentation

[0038] Put the air-dried filter residue into the fermentation tank or fermentation tank, about 50% of the total volume of the fermentation tank or fermentation tank is used for s...

Embodiment 2

[0044] This embodiment provides a method for producing ethanol and feed using potato stalks, comprising the following steps:

[0045] S1: Potato straw pretreatment

[0046] After harvesting the potatoes in the same year, cut off the root hairs, wash off the soil, dry in the sun, crush them into 60-mesh slag with a solid grinder, and steam in a retort for 20 minutes; after cooling, remove them according to the solid-to-liquid ratio of 1:3. Put the pretreatment reagent in the straw powder into the pot, seal it, keep the temperature at 40°C, and carry out pretreatment for 5 days; then filter, wash the filter residue with water until it is neutral, and dry the filter residue in the air. Wherein, the pretreatment reagent includes 3wt.% sodium hydroxide solution and 1wt.% hydrogen peroxide solution with a volume ratio of 2:1.

[0047] S2: Saccharification and fermentation

[0048] Put the air-dried filter residue into a fermentation tank or a fermentation tank. About 75% of the to...

Embodiment 3

[0054] This embodiment provides a method for producing ethanol and feed using potato stalks, comprising the following steps:

[0055] S1: Potato straw pretreatment

[0056] After harvesting the potatoes in the same year, cut off the root hairs, wash off the soil, dry in the sun, crush them into 60-mesh slag with a solid grinder, and steam in a retort for 30 minutes; after cooling, remove them according to the solid-to-liquid ratio of 1:2.5 Put the pretreatment reagent in the straw powder into a pot, seal it, keep the temperature at 45°C, and carry out pretreatment for 5 days; then filter, wash the filter residue with water until it is neutral, and dry the filter residue in the air. Wherein, the pretreatment reagent includes 2wt.% sodium hydroxide solution and 2wt.% hydrogen peroxide solution with a volume ratio of 2:1.

[0057] S2: Saccharification and fermentation

[0058] Put the air-dried filter residue into the fermentation tank or fermentation tank, about 60% of the tot...

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Abstract

The invention relates to a method for preparation of alcohol and formulated feed from potato stalks. The preparation method includes: S1: cleaning, crushing and steaming stalks, then performing filtering, and flushing the filter residue to neutral, and then collecting the filter residue; S2: airing the filter residue obtained by S1, then conducting saccharifying fermentation to obtain a fermentation product; S3: distilling the fermentation product, and performing collection to obtain a liquid primary product alcohol and solid liquor dregs; and S4: rectifying the liquid primary product alcoholobtained by S3 into anhydrous alcohol by a winery rectifying column, adding a certain amount of gastrin and corn flour or sorghum flour and other raw materials into the solid liquor dregs, and then conducting fermentation to obtain the formulated feed. The method provided by the invention utilizes potato stalks as the raw materials for preparation of biomass liquid fuel, not only has the characteristics of sufficient source, low price, and avoidance of waste of resources, thus opening up a new way for utilization of rural waste, and increases the income of farmers while significantly alleviating environmental pollution, thereby having wide application value.

Description

technical field [0001] The invention relates to the field of resource utilization of agricultural and sideline product wastes, in particular to a method for preparing alcohol and preparing feed by using potato stalks. Background technique [0002] In recent years, with the rapid increase of global resource consumption, the comprehensive utilization of resources has been paid more and more attention; among them, straw, as a by-product of crop production, can be used as a raw material that can provide renewable energy. According to reports, the combustion heat of 2 tons of straw is equivalent to 1 ton of standard coal; therefore, further development and utilization of biomass in straw has become a hot research topic in the world. [0003] Most of the traditional literature reports use corn stalks as raw materials, but there is no report on the processing and utilization of potato stalks. In addition, the potato industry, as the leading agricultural industry in Guyuan, Ningxia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/10A23K10/38
CPCA23K10/38C12P7/10C12P2201/00Y02E50/10Y02P60/87
Inventor 安玉民
Owner 安玉民