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LITERATURE

BTX Direct℠ Naphtha Dearomatization Process

GTC Vorro Technology’s BTX DirectSM process is a simplified version of liquid-liquid extraction, which separates aromatics from straight run naphtha to bypass the steam cracker operation. The extracted aromatics plus contaminants are routed to the pygas hydrotreating and purification for profitable recovery of benzene, toluene, xylenes, and heavy aromatics. The non-aromatic fraction is routed through the normal steps of cracking and recovery of olefins. For gasoil feedstock, ...
Naphtha to Ethane / Propane (NEP)

The olefins industry is facing challenges with increasing competitiveness, in terms of cost of production, amidst a growing concern about feedstock security in many parts of the world. While ethane crackers remain the lowest cost to build and operate, many liquid crackers have already been built around the globe. These installations have sought to capture local price discounts for light naphtha and their operation is mainly due to feedstock security. Ethane is not prevalent in ...

Introduction to Sinopec Steam Cracking Technology

Sinopec has been committed to the development and application of steam cracking technology for almost 40 years, and has mastered advanced and complete ethylene technology which can process a variety of feedstocks, including CBL cracking furnace technology, 3 major ethylene recovery technologies (LECT, ART and AERP) and WAO. This webinar will introduce the technology and its applications, with an emphasis on how it can be applied in a variety of plants. By attending, you will ...
Unleash the potential of your Naphtha Steam Cracker

The global ethylene market grows at 3.0-3.5% annually, which amounts to 6-7 MM MTA increase in demand every year. Greater than 95% of ethylene is produced using steam cracking. The two of the main feedstocks for steam crackers are naphtha and ethane with each supplying >45% of all ethylene production. Ethane cracking tends to have lower Cash Cost of Production, supply is regional and insufficient to meet the global ethylene demand. Naphtha cracking has several disadvantages: ...
Technologies to enhance Ethylene production

In this presentation, three technologies will be introduced. This first is swirling element radiant tube (SERTTM) technology for steam cracking furnaces. In this technology, you will find how heat transfer theory is applied to overcoming the challenges of cracking pyrolysis to meet targets. Successful commercial cases will demonstrate the technical advantages of SERTTM technology. Cracking furnaces with SERTTM technology have longer operating days, lower tube wall temperature ...
Steam Cracker recycle processing and product upgrade options

LPG and light naphtha generated in a refinery complex (from both straight-run and conversion units) are sent to the ethylene cracker as feedstock. There is more i-paraffin than n-paraffin in LPG and light naphtha generated from a hydrocracker and reformer, in particular, i-butane and i-pentane. When cracking i-paraffin and n-paraffin separately in an ethylene cracker, the yield of ethylene and propylene is different; n-paraffin can generate 20wt% of “ethylene + propylene + butadiene” ...