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CHEMICAL MECHANISMS OF CATALYTIC CRACKING OVER SOLID ACIDIC CATALYSTS ...
2011年11月2日 · The review discusses chemical mechanisms of most important reactions that take place in the course of catalytic cracking of alkenes and alkanes over solid acidic …
Synthesis and performance evaluation of hydrocracking catalysts…
2020年9月25日 · Hydrocracking is typically performed using a bi-functional catalyst where the cracking function is provided by the acidic support and hydrogenation-dehydrogenation …
Solid-acid-catalyzed alkane cracking mechanisms: evidence …
This review is a summary of the mechanisms of catalytic cracking of small (C 3 -C 6) alkanes. Most of the evidence has arisen from product distributions and kinetics of cracking of these …
Catalytic Cracking - an overview | ScienceDirect Topics
Catalytic cracking is an ionic process involving carbonium ions (hydrocarbon ions having a positive charge on a carbon atom) and are produced by: (1) addition of a proton from an acid …
Catalytic dehydrogenation cracking characteristics of vacuum …
2024年7月15日 · The results indicated that S-VR cracking on calcium aluminate leads to less coking and higher olefin content in liquid products compared with FCC catalyst and quartz …
Chemical Mechanisms of Catalytic Cracking over Solid Acidic Catalysts …
2001年5月31日 · The review discusses chemical mechanisms of most important reactions that take place in the course of catalytic cracking of alkenes and alkanes over solid acidic …
Understanding the effect of additives on plastic waste ... - Nature
3 天之前 · b, The conversion of low-density polyethylene in catalytic cracking reactions at 370 °C with three different solid acid catalysts (Al-SBA-15, HY and HZSM-5) and various additives as …
Catalytic cracking is similar to thermal cracking except that catalysts facilitate the conversion of the heavier molecules into lighter products. Catalysts used in the cracking reaction increase …
ess to reduce the molecular weight of hydrocarbons. Today fluid catalytic cracking (FCC) remains the . ominant conversion process in petroleum refineries. Prior to 1925, the higher boiling …
Catalytic pyrolysis of the municipal mixed plastic waste into plasto ...
18 小时之前 · The plasto-oil was collected after 3 h of reaction time and weighed as in the case of non-catalytic pyrolysis. The solid removed from the reactor after the catalytic pyrolysis was …