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A method for preparing methanol from tail gas of veterinary drug premix production process

A production process and premix technology, applied in the preparation of organic compounds, chemical instruments and methods, preparation of hydroxyl compounds, etc., can solve the problems of unestablished three waste treatment procedures, air pollution, etc., and achieve the goal of avoiding waste and environmental pollution Effect

Inactive Publication Date: 2016-12-07
NEIJIANG NORMAL UNIV
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Problems solved by technology

According to relevant survey reports, the vast majority of veterinary drug companies have not established a three-waste treatment process, and the process waste gas is mainly sent to enterprises with treatment conditions for incineration through simple collection and treatment. This treatment method produces HCl, HBr, SO 2 , NO, NO 2 and a large amount of CO 2 air pollution

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  • A method for preparing methanol from tail gas of veterinary drug premix production process

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Embodiment

[0033] The present embodiment provides a method for preparing methanol using the tail gas of the veterinary drug premix production process, which comprises the following steps:

[0034] A. Combine the tail gas of the veterinary drug premix production process with excess O 2 Transport to the first plasma reactor after mixing evenly, and under the action of the plasma that the first plasma reactor produces and O 2 A combustion reaction occurs to generate HX (X=Cl, Br), SO 2 , NO x (X=1, 2) and CO 2 mixed gas;

[0035] B. Pass the mixed gas in step A into a gas separation device for separation and purification to obtain CO 2 Gas and containing HX (X=Cl, Br), SO 2 , NO x (X=1, 2) the remaining gas mixture;

[0036] C. Convert the CO from step B to 2 Gas and H 2 Mix uniformly according to the volume ratio of 0.5~2.0:1, then enter the second plasma reactor filled with the first catalyst, and undergo a reduction reaction under the action of the plasma generated by the second...

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Abstract

The invention provides a method for preparing methyl alcohol through tail gas produced in the production technology of a veterinary drug pre-mixing agent, and belongs to the technical field of environmental protection. The method includes the following steps of A, plasma burning, B, separation and purification, C, reduction and purification and D, preparation of the methyl alcohol. According to the method for preparing the methyl alcohol through the tail gas produced in the production technology of the veterinary drug pre-mixing agent, the plasma burning step, the separation and purification step, the reduction and separation step and the methyl alcohol preparation step are executed in sequence, and under the action of plasma generated by corresponding plasma reactors in all the steps, the greenhouse gas CO2 generated in the burning step is prepared into the methyl alcohol ultimately. Energy waste is avoided, and environmental pollution caused by direct emission of the CO2 and the influence of the greenhouse gas on the climate are also avoided.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to a method for preparing methanol by using tail gas of a veterinary drug premix production process. Background technique [0002] The production process of existing veterinary drug premixes in my country produces a large amount of process tail gas, such as organic compounds containing nitrogen, sulfur, chlorine and bromine, inactivated bacilli, and volatile components of Chinese medicinal materials. It will cause great harm to the factory operation area, seriously threaten the health of production workers, and even destroy the ecological environment in the long run. According to relevant survey reports, the vast majority of veterinary drug companies have not established a three-waste treatment process, and the process waste gas is mainly sent to enterprises with treatment conditions for incineration through simple collection and treatment. This treatment method prod...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C31/04C07C29/151
CPCC07C29/151C07C29/1518C07C31/04
Inventor 郑小刚刘勇霍峰宋玉春王姝羡
Owner NEIJIANG NORMAL UNIV
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