A device and method for recovering dimer fatty acid from waste clay
A technology of dimer fatty acid and waste white clay, which is applied in the separation/purification of carboxylic acid compounds, etc., can solve the problems of consuming a lot of manpower, material resources, and incomplete pressing, and achieve the effects of improving efficiency, facilitating promotion, and improving recovery rate
Active Publication Date: 2016-10-26
JIANGSU JINMA OIL TECH DEV
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Problems solved by technology
The up and down press adopts the original method of manual up and down, which requires a lot of manpower and material resources, and the pressing is not thorough
Method used
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[0021] The specific implementation of a device and method for recovering dimer fatty acid from waste clay described in the present invention will now be described in detail with reference to the accompanying drawings.
[0022] As shown in the accompanying drawings, a recovery device for dimerized fatty acid in waste clay is characterized in that it includes a mixing tank (1), an extraction tank (2), a flash tank (3), a settling separation tank (4) in sequence, A first pump (5) and a one-way valve (6) are arranged between the mixing tank (1) and the extraction tank (2), and between the extraction tank (2) and the flash tank (3) A two-way valve (7) is provided, the flash tank (3) is connected to the settling separation tank (4), and a second pump (8) is provided at the bottom of the settling separation tank (4).
[0023] There are two mixing tanks (1) connected in series to the first pump (5); the mixing tank (1) is also provided with a first stirring mechanism (9).
[0024] As...
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A device for recycling dimer fatty acid from waste carclazyte is characterized by comprising a mixing tank, an extraction tank, a flash tank and a sedimentation separating tank in sequence; a first pump and a one-way valve are arranged between the mixing tank and the extraction tank, a two-way valve is arranged between the extraction tank and the flash tank, the flash tank is connected with the sedimentation separating tank, and a second pump is arranged at the bottom of the sedimentation separating tank. A method for recycling the dimer fatty acid from the waste carclazyte is characterized by comprising four steps of wet expansion, flash evaporation, sedimentation separation and export. The device and method for recycling the dimer fatty acid from the waste clay have the advantages that the recovery rate of the dimer fatty acid in the waste carclazyte is greatly increased, the damage to manpower and material resources is reduced, and the recovery efficiency is improved.
Description
technical field [0001] The invention relates to a device and method for recovering useful components from waste catalysts, in particular to a device and method for recovering dimer fatty acid from waste clay. Background technique [0002] Dimer acid, the English name is (Octadecadiencic) dipolymer, and the Chinese full name is dimer fatty acid, that is, octadecadienoic acid dimer. Molecular formula is C 36 h 68 o 4 , the molecular weight is 564.9227. The substance is a colorless transparent liquid, mainly used as a modifier of polyamide resin and epoxy resin and an additive of fuel oil, lubricating oil and cutting fluid. Diester fatty acid is made of oleic acid (octadecadienoic acid) as raw material, plus a certain amount of clay (also known as bentonite) as a catalyst, and is polymerized under certain process conditions. After the polymerization is completed, the white clay used as a catalyst still contains about 20% dimer acid when it is filtered out, which needs to b...
Claims
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IPC IPC(8): C07C57/13C07C51/42
CPCC07C51/42C07C51/44C07C51/47C07C57/13
Inventor 徐东成黄大军赵荣林丁正连戴春阳
Owner JIANGSU JINMA OIL TECH DEV