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Liquid fertilizer made from waste fluid of molasses and alcohol as well as its preparing method

A technology of molasses alcohol waste liquid and liquid fertilizer, which is applied to fertilizers made of biological waste, organic fertilizers, fertilization devices, etc., can solve problems such as pollution, and achieve the effects of less investment, easy preservation, and less energy consumption

Inactive Publication Date: 2004-03-10
莫志鸿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to solving the problem of waste liquid pollution to the environment, the realization of waste utilization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Measured in one ton of fresh molasses alcohol waste: N 2 The content is 21.5Kg, the P content is 0.5Kg, and the K 2 O content is 10.5Kg, according to the finished product content N 2 70Kg / ton fertilizer, P 2 o 5 40Kg / ton of fertilizer, K 2 O is 30Kg / ton of fertilizer, the waste liquid is digested and concentrated to the original 1 / 2 volume, then the original waste liquid N 2 , P, K 2 O content changed to N respectively 2 is 43Kg / ton of waste liquid, P is 1Kg / ton of waste liquid, K 2 O is 21Kg / ton of waste liquid, according to the requirements of finished products, it is necessary to add pure liquid ammonia to be 27Kg / ton of waste liquid, P 2 o 5 39Kg / ton of waste liquid, K 2 O is 9Kg / ton of waste liquid. Then, one ton of fresh molasses alcohol waste liquid that determines the concentration of N, P and K is added to the high-temperature and high-pressure digestion tank, and then 39Kg of P 2 o 5 and 10Kg of HNO 3 After high temperature and high pressure diges...

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PUM

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Abstract

A liquid fertilizer is prepared from the sewage generated by preparing molasses alcohol through regulating pH value to be less than or equal to 1.5, high-temp high-pressure digestion by P2O5 or H2PO4 and HNO3, and using ammonia water and CaO to regulate its pH value to 6.0-7.0. Its advantages are complete nutrients, easy absorption and improving soil.

Description

technical field [0001] The invention belongs to liquid fertilizer and method for producing molasses alcohol waste liquid. Background technique [0002] Molasses alcohol waste liquid is a kind of highly concentrated organic waste liquid that is extremely difficult to handle. The production of one ton of alcohol will produce ten tons of alcohol waste liquid. The COD of this waste liquid cr >100000mg / l, BOD 5 >45000mg / 1, and contains a large amount of organic matter and nitrogen, sulfur compounds, etc. If these waste liquids are directly discharged into the water, it will cause great pollution to the environment, and if they are stored in the waste liquid pool, they will seep into the ground and pollute the groundwater source. And produce a large amount of foul-smelling substances, be the thing that the molasses alcohol manufacturer has a headache, a lot of producers must not change to using more expensive cassava as raw material because they cannot solve these problems....

Claims

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Application Information

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IPC IPC(8): C05F5/00
CPCY02A40/20
Inventor 莫志鸿
Owner 莫志鸿
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