Study of thermal cracking kinetics and co-processing of biocrude in thermal residual upgradation unit for converting ‘waste to energy’

Hydrotreatment of Sewage Sludge-Derived Hydrothermal Liquefaction Biocrude. Part II: Kinetic Model

“…Hydrotreatment is a well-understood process, , and coprocessing of sewage sludge-derived biocrudes with traditional heavy oil feedstocks is a possibility for upgrading on the industrial scale. ,, Laboratory-scale hydrotreatment of biocrudes has focused on reaction conditions and feedstock and product characterization. ,, Batalha et al (2023) made a detailed comprehensive analysis of several HTL biocrudes and their upgrading products, and working with a real sewage sludge-derived biocrude, Heracleous et al (2022) found that long-chain fatty acids were easily converted into their respective paraffins, with heteroatom removal and increased viscosity reduction at higher reaction temperature . Zhu et al (2022) used model molecules to determine kinetic parameters for hydrotreatment of long-chain amides, finding deoxygenation (DO) faster than denitrogenation (DN), with a long-chain aliphatic amine as the main intermediate …”