Related Experiment Video
Updated: Jul 20, 2026

Biomass Conversion to Produce Hydrocarbon Liquid Fuel Via Hot-vapor Filtered Fast Pyrolysis and Catalytic Hydrotreating
Published on: December 25, 2016
Benzene vapor treatment using a two-phase partitioning bioscrubber: an improved steady-state protocol to enhance
David R Nielsen1, Kyla N Sask, P James McLellan
1Department of Chemical Engineering, Queen's University, K7L 3N6, Kingston, ON, Canada.
Abstract:
The performance and stability of a two-phase partitioning bioscrubber (TPPB) containing 33% (vol.) n-hexadecane as an immiscible phase was investigated during 30 days of continuous gaseous benzene treatment. Elimination capacities of 141 +/- 12 g/m(3) h were achieved by Achromobacter xylosoxidans Y234 while maintaining >99% removal throughout. A new steady-state operating strategy that limits excessive biomass production by directing substrate consumption to maintenance energy has eliminated the requirement for frequent exchange of liquid contents. Simplifying the operating protocols in this manner has dramatically reduced material costs and rendered the TPPB operational requirements as more comparable (in terms of frequency of required operator inputs) with other vapor-phase bioreactors. The practicality of the proposed simplification to the operating protocol was confirmed by demonstrating that intermediate metabolites were not accumulating in the TPPB, inorganic nutrient requirements were readily predictable, and that high culture viability could be sustained for prolonged cell retention times (30 days).
More Related Videos
05:34Efficient Synthesis of Polyfunctionalized Benzenes in Water via Persulfate-promoted Benzannulation of α,β-Unsaturated Compounds and Alkynes
Published on: December 16, 2019
09:08Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol
Published on: April 2, 2018
Related Concept Videos
Electrophilic Aromatic Substitution: Sulfonation of Benzene
Microbial Bioremediation of Hydrocarbons
Benzene to Phenol via Cumene: Hock Process
Reduction of Benzene to Cyclohexane: Catalytic Hydrogenation
Hydrolysis of Chlorobenzene to Phenol: Dow Process
Benzene to 1,4-Cyclohexadiene: Birch Reduction Mechanism