Vertical type bubbling oxidation reaction device for synthesizing naphthalic acid
An oxidation reaction, naphthalene dicarboxylic acid technology, applied in chemical/physical/physical chemistry fixed reactor, preparation of organic compounds, organic chemistry, etc., can solve the problems of high maintenance cost, high energy consumption, complex equipment, etc. Reliable work, improved yield and purity, and reduced production costs
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[0013] Depend on figure 1 As shown, a vertical bubbling oxidation reaction device for synthesizing naphthalene dicarboxylic acid is mainly composed of a straight cylinder body 1, a top cover 2, a bottom cover 3, a liquid distributor 4, a structured packing 5, a reaction liquid 6, and a gas distributor 7 , feed port 8 and discharge port 9, wherein: the straight cylinder body 1 is a straight cylinder structure with a length of L and an inner wall diameter of D, and the length L of the straight cylinder body 1 should include the length of the rectifying section 11 required for the oxidation reaction , the length of free section 12 and the length H of reaction section 13, the length H of its reaction section 13 should be (60~90)% of straight cylinder body 1 length L, preferably (70~80)%, and H / D= 2~8; The length of the free section 12 between the rectifying section 11 and the reaction section 13 should be (10~20)% of the length L of the straight cylinder body 1; The location of th...
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