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The optimization of external drainage quality of Guangzhou Petrochemical's heavy-duty unit has achieved results

 Last Update: 2021-11-03
 Source: Internet
 Author: User

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China Petrochemical News Network News After two months of continuous research and optimization, the external drainage indicators of Guangzhou Petrochemical’s heavy oil catalytic cracking unit (hereinafter weighing and urging unit) are far better than the assessment indicators, which not only reduces the subsequent sewage upgrading pool and downstream sewage treatment system Deal with the pressure and lay the foundation for the load increase of the device
.

Due to the change in the nature of the equipment's raw materials and the operation of the equipment to the end of the cycle, the COD in the external drainage of the re-energizing device also shows an upward trend
.

To this end, an optimization team for improving the quality of external drainage was established in the re-gasification area.

The research and optimization team started by reducing the concentration of suspended solids at the bottom of the scrubber and reducing the concentration of COD, and formulated solutions and measures
.

For example, by optimizing the amount of flocculant used, increasing the frequency of cleaning the bottom sludge of the slurry buffer tank, and reducing the concentration of suspended solids in the effluent of the washing tower; adding a drum filter inspection as the daily inspection content to avoid the entry of suspended solids due to the perforation of the drum filter membrane The subsequent oxidation tank reduces the treatment efficiency of the oxidation tank

"Next, the re-catalysis device will use the opportunity of overhaul to further optimize the wastewater treatment process, add intermediate precipitation facilities, optimize the oxidation tank fan, etc.
, to further improve the external drainage quality, and create conditions for the high-load operation of the device in the next cycle
.

" Said Li Liangcai, senior regional director of Canada

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