thermal cracking

thermal cracking

[′thər·məl ′krak·iŋ]
(chemical engineering)
A petroleum refining process that decomposes, rearranges, or combines hydrocarbon molecules by the application of heat, without the aid of catalysts.
References in periodicals archive ?
Without high exotherms, they can eliminate or significantly reduce thermal cracking, curling and distortion.
The application of the method to the resolution of a prototype thermal cracking issue and to torch path studies is discussed in Section 6.
Keywords: Oil shale, Crack, Thermal cracking, Heating time, Temperature.
High replacement levels of slag cement in properly proportioned mixes also help control shrinkage, creep and thermal cracking in mass concrete structures.
Steam cracking is an uncatalyzed, thermal cracking process used in the petrochemical industry to break down hydrocarbons.
Thermal cracking make use of pyrolysis to produce biodiesel from vegetable oils and animal fats.
Oxidation, corrosion, material degradation, and thermal cracking are the usual lifetime determining processes.
It can be interpreted as a lower bound of the thermal cracking resistance of the FGM plate.
The second half of the book delves into the technical details of separation processes, thermal cracking and coking, residue hydroconversion, hydrotreating reactions, hydrogen production, and gas purification.
Singapore Institute of Manufacturing Technology's Elegant Laser Scalpel is based on a laser-induced thermal cracking mechanism that enables high-speed, debris-free cleaving of silicon wafers.
Thermogenic gas, in contrast, is formed at greater depths through thermal cracking of decomposed organic matter or oil into gas -- where molecular bonds are broken due to high heat and temperature -- suggesting higher costs in drilling and extraction.
Chris urges manufacturers to pay attention to signs of overheating and thermal cracking.