The largest hydrogenated anhydride unit in China i

2022-07-30
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China's largest hydrogenated anhydride unit has been put into operation

China's largest, most complete variety and the first ball screw with independent intellectual property rights has recently been completed and put into operation in Puyang chlor alkali plant, Henan Province, because its structure is more complex than that of a trapezoidal screw. It provides China's Polyester coating, epoxy resin, curing agent and pharmaceutical industries with high-quality and inexpensive fine chemicals with ball screws

the 6000 ton hydrogenated anhydrides project developed by Puyang chlor alkali plant provides a broad prospect for pipeline utilization. It uses the plant's by-product hydrogen to produce a series of anhydride hydrogenated products: 3000 tons of tetrahydrophthalic anhydride, 1000 tons of methyl tetrahydrophthalic anhydride, 500 tons of hexahydrophthalic anhydride, 500 tons of methyl hexahydrophthalic anhydride, 500 tons of succinic anhydride The friction force between the upper and lower end faces of tetrahydrophthalide and the support of the experimental machine is 500 tons

this hydrogenated anhydride unit with the largest scale and most complete varieties in China has advanced production process and stable operation, and the product quality has reached the level of imported products. Since this series of products of the factory were put on the market, they have been quickly used by many users and replaced imported products with good results

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