Geoff Stevens

Drop sizes and population balance model for a Karr column

Jiyizhe Zhang, Wen Li, Kathryn Mumford, Weiyang Fei, Geoffrey Stevens, Yundong Wang

Journal article  |  2021  |  AICHE JOURNAL

Drop sizes were investigated and measured in a Karr column. A stagewise population balance model was presented considering drop br..

The electro-Fenton regeneration of Granular Activated Carbons: Degradation of organic contaminants and the relationship to the carbon surface

Naomi A Bury, Kathryn A Mumford, Geoffrey W Stevens

Journal article  |  2021  |  JOURNAL OF HAZARDOUS MATERIALS

Electrochemical regeneration of Granular Activated Carbon is an emerging treatment option to restore adsorption capacity in system..

Single drop breakage in a reciprocating plate column

Jiyizhe Zhang, Joseph D Berry, Kathryn A Mumford, Dalton JE Harvie, Weiyang Fei, Geoffrey W Stevens, Yundong Wang

Journal article  |  2021  |  CHEMICAL ENGINEERING JOURNAL

Single drop breakage was investigated in a lab-scale reciprocating plate column. A high-speed camera was used to capture the drop ..

Efficient fixation of CO2 into propylene carbonate with [BMIM]Br in a continuous-flow microreaction system

Yuxin Wu, Yuncheng Ding, Jianhong Xu, Yundong Wang, Kathryn Mumford, Geoffrey W Stevens, Weiyang Fei

Journal article  |  2021  |  GREEN ENERGY & ENVIRONMENT

Utilization of carbon dioxide (CO2) is of great significance in the development of CO2 absorption and the solution of greenhouse g..

Adsorption Behavior of Divalent Metal Ions onto Surface-functionalized Mesoporous Silicate MCM-41 Having Schiff Base Structure

Syunichi Oshima, Hidekazu Ohinata, Takushi Matsuno, Kenta Takasawa, Yujiro Watanabe, Kaoru Fujinaga, Geoffrey W Stevens, Yu Komatsu

Journal article  |  2021  |  ANALYTICAL SCIENCES

Surface functionalized mesoporous silicates, MCM-41s, having 3-(2-pyridylmethylideneimino)propyl group (PI-MCM-41) or 3-(2-quinoly..

Assessment of the electro-Fenton pathway for the removal of naphthalene from contaminated waters in remote regions

Rebecca McQuillan, Geoffrey W Stevens, Kathryn A Mumford

Journal article  |  2021  |  SCIENCE OF THE TOTAL ENVIRONMENT

This work investigates the effectiveness of the electro-Fenton reaction for the treatment of wastewaters contaminated with petrole..

Kinetic study of highly efficient CO2 fixation into propylene carbonate using a continuous-flow reactor

Yuxin Wu, An Chen, Xueyan Liu, Jianhong Xu, Yundong Wang, Kathryn Mumford, Geoffrey W Stevens, Weiyang Fei

Journal article  |  2021  |  CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION

Considered as an important C1 source on earth, carbon dioxide (CO2) utilization and fixation has aroused great attention. Synthesi..

Catalytic Solvent Regeneration for Energy-Efficient CO2 Capture

Masood S Alivand, Omid Mazaheri, Yue Wu, Geoffrey W Stevens, Colin A Scholes, Kathryn A Mumford

Journal article  |  2020  |  ACS SUSTAINABLE CHEMISTRY & ENGINEERING

CO2 emissions from industrial processes and their adverse implications on the climate is of major concern. Carbon capture and stor..

Preparation of Nanoporous Carbonaceous Promoters for Enhanced CO2 Absorption in Tertiary Amines

MS Alivand, O Mazaheri, Y Wu, GW Stevens, CA Scholes, KA Mumford

Journal article  |  2020  |  Engineering

Aqueous solutions of tertiary amines are promising absorbents for CO2 capture, as they are typically characterized by a high absor..

Absorption of CO2 from flue gas under oscillating gas flow conditions in gas-solvent hollow fibre membrane contactors

E Hosseini, E Soroodan Miandoab, GW Stevens, CA Scholes

Journal article  |  2020  |  Separation and Purification Technology

Membrane gas-solvent contactors are a viable approach for the absorption of carbon dioxide (CO2) into solvents, such as potassium ..