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Feb 23, 2023 ... ... alkanes via tandem cracking-alkylation. Low-temperature upcycling of polyolefins into liquid alkanes via tandem cracking-alkylation. Journal ... An alkane X dissociates to form methane ( C H 4 ) , ethene ( C 2 H 4 ) and propene ( C 3 H 6 ) . The mole fraction of ethene is 0.5, which means that its amount ... Feb 8, 2000 ... Catalytic cracking reactions of polyethylene to light alkanes in ionic liquids. CJ Adams, MJ Earle and KR Seddon, Green Chem., 2000, 2, 21. Cracking involves breaking C-C and C-H bonds in alkanes. These bonds are ... Long chain alkane -> smaller chain alkane + alkene (+ hydrogen) If you ... Substitution Reaction with Alkanes. When an alkane react with halogens, hydrogen atoms in the alkane molecule are substituted with halogen atoms. This type of ... Replacing steam with methane as diluent in conventional thermal cracking processes is proposed to eliminate front-end separation of methane from the shale gas ... Apr 24, 2018 ... ... alkane transformation to added-value products such as olefins, which have found widespread use in the manufacturing industry,” said Max ... Cracking: conversion of large hydrocarbons to smaller hydrocarbon molecules by breakage of C-C bonds. High Mr alkanes → smaller Mr alkanes+ alkenes + (hydrogen). Feb 23, 2023 ... Combining endothermic cleavage of the polymer C–C bonds with exothermic alkylation reactions of the cracking products enables full conversion of ... to moderate chains which are subsequently cracked to heavy alkanes before cracking to ... diffusion rate with alkane/PE molecular weight (i.e., larger ...