| 摘要 |
<p>The installation is used in the chemical industry in the manufacture of dimethylterephthalate for the regeneration of cobalt or cobalmanganese catalyst which is used for the oxidation of paraxylene to dimethylterephthalate in liquid phase. It ensures a continuous process at reduced energy costs, facilitates the operation, excluding any subjective errors and blockings, and ensuring complete separation of the refined product and the extraction of cobalt and cobaltmanganese salts by over 99% of the cubic residue. The plant consists of pumps (1 & 2), extractor (6), first laminator (8), blender (14) and extract vessel (20) which is connected by pipelines. It also includes a heat exchanger (5) a second laminator (10), blender (14) and third laminator (17). There is an coil in the second laminator (10) and the ratio between its height to diameter is 1:4. The blender (14) is used as extractor. (11) 176</p> |
