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As of July 21, the adsorption unit of Tianjin Petrochemical Aromatics Complex has been running smoothly for two weeks after the adsorption and replacement of the agent.
The test data shows that the purity of the produced paraxylene product has always remained above 99.
7%, marking a 65-day period.
The replacement work was a complete success
.
In September 2000, the Tianjin Petrochemical Aromatics Complex was completed and put into operation, which was one of the few domestic production capacity at that time.
Set of devices and corresponding public works
.
"In the course of nearly 20 years of development, Tianjin Petrochemical has actively responded to the strategic deployment of 'carrying out key technologies for aromatics and leading the development of the aromatics industry', and has experienced the process of Sinopec's complete set of aromatics technologies from scratch
.
Since the 1980s, Tianjin Petrochemical has for the first time industrially applied HAT-099, HAT-300 disproportionation catalyst, SD-01 shape-selective disproportionation catalyst, BAT-01 benzene carbon nine disproportionation catalyst developed by the Chinese Academy of Sciences, Shanghai Institute and other units.
Catalysts, DOT-100\DOT-200 deolefination molecular sieves, and RIC-270 isomerization catalysts have laid the foundation for the continuous progress of Sinopec's complete set of aromatics technologies.
Tianjin Petrochemical has also become the first domestic enterprise to use these complete sets of aromatics technologies
.
In 2011, Sinopec overcame the last technical barrier of the complete set of aromatics technology - adsorption separation technology, which completely changed the history that China's core aromatics technology must rely on foreign imports
.
Considering that UOP's ADS-27 adsorbent has a large one-time investment and a large number of fillings, in order to reduce the investment cost, Tianjin Petrochemical did not realize localization in the maintenance cycle in 2016, but extended the service life of the adsorbent by more than 2 times through optimized operation.
, which broke a world record
.
"We not only want to 'eat and squeeze' the adsorbents imported in the past, but also in the future production, through intensive cultivation and meticulous cultivation, to maximize the potential of Sinopec's proprietary intellectual property catalysts to maximize benefits
.
