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A method for high-value recovery and utilization of molasses alcohol waste liquid

A high-value technology of molasses alcohol waste liquid, which is applied in the field of recycling and utilization of molasses alcohol waste liquid, can solve the problems of waste of resources, high cost of molasses fermentation waste liquid, etc., and achieve the effects of reducing waste water discharge, easy storage, and easy delivery

Active Publication Date: 2022-01-18
XINJIANG LYUYUAN SUGAR IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if it is not utilized and treated directly, it will not only cause a large waste of resources, but also increase the cost of processing molasses fermentation waste liquid due to the higher load. Therefore, in order to solve these problems, a method of waste utilization is designed for the environment. it is necessary to say

Method used

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  • A method for high-value recovery and utilization of molasses alcohol waste liquid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0035] (1) Add flocculant polyacrylamide and filter aid to the beet alcohol waste liquid, put the beet alcohol waste liquid at a temperature of 30°C for 2 hours, make the suspension flocculate and settle, and take the supernatant; the flocculant The add-on is: every ton of beet alcohol waste liquid adds 5g flocculant; Described filter aid is made up of the calcium oxide that volume percentage is 40% and the phosphoric acid of 60% by volume percentage; The add-on of described filter aid is: Add 70g filter aid to every ton of sugar beet alcohol waste liquid;

[0036] The supernatant obtained in step (1) passes through a ceramic membrane with a pore size of 0.05-0.1 μm, the operating pressure of the microfiltration process is set to 0.2Mpa, and the operating temperature is set to 40°C; remove bacterial protein and other particulate impurities in the waste liquid, Obtain the filtrate; the above-mentioned filtrate is concentrated to a solid content of 40% by a four-effect evaporato...

Embodiment 3

[0043] (1) Add flocculant polyacrylamide and filter aid to the beet alcohol waste liquid, put the beet alcohol waste liquid at a temperature of 80° C. for 18 hours, make the suspension flocculate and settle, and take the supernatant; the flocculant The add-on is: every ton of beet alcohol waste liquid adds 10g flocculant; Described filter aid is made up of the calcium oxide that is 20% by volume percentage and the phosphoric acid of 80% by volume percentage; The add-on of described filter aid is: Add 90g filter aid to every ton of sugar beet alcohol waste liquid;

[0044] The supernatant obtained in step (1) passes through a ceramic membrane with a pore size of 0.05-0.1 μm, the operating pressure of the microfiltration process is set to 0.3Mpa, and the operating temperature is set to 70°C; remove bacterial protein and other particulate impurities in the waste liquid, Obtain the filtrate; the above-mentioned filtrate is concentrated by a four-effect evaporator to a solid conten...

Embodiment 4

[0051] (1) Add flocculant polyacrylamide and filter aid to the beet alcohol waste liquid, put the beet alcohol waste liquid at a temperature of 100°C for 24 hours to flocculate and settle the suspended matter, and take the supernatant; the flocculant The add-on is: every ton of sugar beet alcohol waste liquid adds 20g flocculant; Described filter aid is made up of the calcium oxide that volume percentage is 10% and the phosphoric acid of 90% by volume percentage; The add-on of described filter aid is: Add 150g filter aid to every ton of sugar beet alcohol waste liquid;

[0052] The supernatant obtained in step (1) passes through a ceramic membrane with a pore size of 0.05-0.1 μm, the operating pressure of the microfiltration process is set to 0.3 MPa, and the operating temperature is set to 40° C.; remove bacterial protein and other particulate impurities in the waste liquid, Obtain the filtrate; the above-mentioned filtrate is concentrated by a four-effect evaporator to a sol...

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Abstract

The invention discloses a method for high-value recovery and utilization of molasses alcohol waste liquid. The invention has the beneficial effects of reducing waste water discharge, reducing energy consumption, and no secondary pollution, and using waste water to produce feed, using microbial agents, waste rapeseed from beet sugar factories and treated molasses fermentation waste liquid to prepare feed, Strengthen the beneficial bacteria in the digestive system of animals, improve digestibility, maintain normal metabolism, and enhance disease resistance. The prepared feed is easy to store and put in, greatly improving its utilization rate.

Description

technical field [0001] The invention relates to the field of recycling and utilization of molasses alcohol waste liquid, in particular to a method for high-value recycling of molasses alcohol waste liquid. Background technique [0002] Beet molasses alcohol waste liquid is the waste liquid discharged from the bottom of the distillation tower after the beet sugar factory uses molasses as raw material to ferment the alcohol. It is very polluting to the environment. Seriously, it contains a very large amount of suspended matter and organic matter, its pH value is 4.2-4.6, BOD is 5.7-6.7×104mg / L, COD is 10-13×104mg / L, and suspended matter (SS) is 2.5-5 ×103mg / L, the color value is as high as 120,000-140,000 IU, containing 10-20% of solid solution (including 15-20% of crude protein; 25-30% of minerals; nitrogen-free leaching of residual sugar, colloid, vitamins, amino acids, etc. material 45~52%). Molasses fermentation waste liquid (alcoholic fermentation waste water and molass...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C13B35/00A23K10/12A23K10/33A23K10/37
CPCA23K10/12A23K10/33A23K10/37Y02P60/87
Inventor 赵振刚乔军王贯叶冬明陶飞张兵刘晓双谢宗钰刘蕾
Owner XINJIANG LYUYUAN SUGAR IND CO LTD
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