Method for carrying out tail gas treatment by using methylal tail gas condenser

A technology of tail gas treatment and methylal, which is applied in the field of glyphosate, can solve the problems of difficult recovery of treatment means, environmental protection difficulty, and large-scale venting, and achieve the effects of slow flow rate, prolonged residence time, and reduced environmental pressure
CN104069715AInactive Publication Date: 2014-10-01ANHUI DONGZHI GUANGXIN AGROCHEMICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ANHUI DONGZHI GUANGXIN AGROCHEMICAL CO LTD
Publication Date
2014-10-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method for carrying out tail gas treatment by using a methylal tail gas condenser. The method is characterized in that methylal tail gas which is from a tank region alkali methyl alcohol tank passes through a methylal preheater, a methylal rectifying tower, a methylal first-class tail gas condenser, a methylal second-class tail gas condenser as well as a liquid seal groove and an active carbon tank sequentially, and methylal, methanol and methyl alcohol in the methylal tail gas are recycled. The method provided by the invention has the advantages that discharging volume is greatly reduced through a perfect methylal tail gas processing device and a perfect methylal tail gas processing method, methylal recovery is improved, and the environment protection pressure is reduced.
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Description

technical field

[0001] The invention relates to the technical field of glyphosate, in particular to a tail gas treatment method using a methylal tail gas condenser. Background technique

[0002] Methylal has excellent physical and chemical properties, that is, good solubility, low boiling point, and good compatibility with water. It can be widely used in cosmetics, medicines, household products, industrial automotive supplies, insecticides, leather polishes, and rubber industries. In products such as paints, inks, etc., because methylal has good degreasing ability and volatility, it can replace F11 and F113 and chlorinated solvents as a cleaning agent, so it is a substitute for Freon and reduces emissions of volatile organic compounds (VOCs) , Environmentally friendly products that reduce air pollution. Because of its good combustion performance, it has been widely used in petroleum oil additives recently. At present, the ingredients used as petroleum oil additives are: me...

Claims

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