Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8917085 | South African Journal of Chemical Engineering | 2017 | 38 Pages |
Abstract
Batch pyrolysis was a valuable process of assessing the potential of recovering and characterising products from hazardous waste materials. This research explored the pyrolysis of hydrocarbon-rich refinery residue, from crude oil processes, in a 1200Â L electrically-heated batch retort. Furthermore, the off-gases produced were easily processed in compliance with existing regulatory emission standards. The methodology offers a novel, cost-effective and environmentally compliant method of assessing recovery potential of valuable products. The pyrolysis experiments yielded significant oil (70%) with high calorific value (40Â MJ/kg), char (14%) with carbon content over 80% and non-condensable gas (6%) with significant calorific value (240Â kJ/mol). The final gas stream was subjected to an oxidative clean-up process with continuous on-line monitoring demonstrating compliance with South African emission standards. The gas treatment was overall economically optimal as only a smaller portion of the original residue was subjected to emission-controlling steps.
Keywords
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
S. Prithiraj, S. Kauchali,