Results 111 to 120 of about 43,931 (298)

Combined effect of increasing the post‐reformer temperature and adding red mud as a secondary catalyst in the thermocatalytic reforming of digestate

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract This work studies the combined effect of increasing the post‐reformer temperature and introducing red mud as a support catalyst in the thermocatalytic reforming (TCR®) of digestate. The TCR® method, developed by the Fraunhofer Institute for Environmental, Safety and Energy Technology UMSICHT (abbreviated as Fraunhofer UMSICHT), is an extension
Hillary Onyishi   +4 more
wiley   +1 more source

A Comparative Process Study Of Chemical-looping Combustion (clc) And Chemical-looping With Oxygen Uncoupling (clou) For Solid Fuels

open access: yes, 2015
A solid-fuel combustion system based on chemical-looping combustion (CLC) and chemical-looping with oxygen uncoupling (CLOU) has the potential to assist in the capture of CO2 from coal-fired power plants.
Lighty J.S.   +3 more
core   +1 more source

Post-combustion CO2 capture with chemical absorption: a state-of-the-art review [PDF]

open access: yes, 2011
Global concentration of CO2 in the atmosphere is increasing rapidly. CO2 emissions have an impact on global climate change. Effective CO2 emission abatement strategies such as Carbon Capture and Storage (CCS) are required to combat this trend.
C. Ramshaw   +9 more
core   +1 more source

Chlorella vulgaris biorefineries: sustainable biofuels and high‐value carbon capture

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Global reliance on fossil fuels has created urgent economic and environmental challenges, yet large‐scale use of algal biomass remains limited by production costs. Industrial scaling is constrained by inefficient harvesting and the technical challenges of processing recalcitrant cell walls.
Sandyelle Ferreira Alcântara Araújo   +13 more
wiley   +1 more source

NOx AND SOx CHEMISTRY IN PRESSURIZED FLUE GAS SYSTEMS: IMPORTANCE FOR CHEMICAL LOOPING COMBUSTION

open access: yes, 2014
The control of NOx and SOx in chemical-looping combustion systems is discussed with the focus on the importance of the pressurized flue-gas train. The chemistry of nitrogen and sulfur under pressurized conditions and the experiences gained from operating
Ajdari, Sima,   +2 more
core  

Gas switching as a practical alternative for scale-up of chemical looping combustion

open access: yes, 2016
Gas-fueled chemical looping combustion (CLC) requires high-pressure operation to achieve competitive electric efficiencies. This work evaluates and compares two reactor concepts specially designed to reduce scaleup challenges under pressurized conditions:
van Sint Annaland, M.   +8 more
core   +1 more source

Dynamic modelling and analysis of post-combustion CO2 chemical absorption process for coal-fired power plants [PDF]

open access: yes, 2010
Post-combustion capture by chemical absorption using MEA solvent remains the only commercial technology for large scale CO2 capture for coal-fired power plants.
Yeung, Hoi   +9 more
core   +1 more source

Operationalizing BioSSbD: A safe‐and‐sustainable‐by‐design framework for biorefineries

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Biorefineries are central to the transition toward a circular bioeconomy; however, their increasing scale and technological heterogeneity, and the integration of biological, chemical, and thermochemical processes introduce complex challenges related to safety, sustainability, and operational reliability. Existing Safe‐and‐Sustainable‐by‐Design
Fernando Ramonet
wiley   +1 more source

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