Hydrogen sulfide (H2S) conversion to hydrogen (H2) and value-added chemicals: Progress, challenges and outlook

YH Chan, ACM Loy, KW Cheah, SYW Chai… - Chemical Engineering …, 2023 - Elsevier
Hydrogen sulfide (H 2 S) is a toxic gas released from natural occurrences (such as
volcanoes, hot springs, municipal waste decomposition) and human economic activities …

Recent advances in microbial CO2 fixation and conversion to value-added products

H Salehizadeh, N Yan, R Farnood - Chemical Engineering Journal, 2020 - Elsevier
Increasing CO 2 levels in atmosphere has led to the unprecedented climate change in
recent years. Conventional methods for CO 2 capture are often cost inefficient, unsafe and …

Microalgal cultivation for the upgraded biogas by removing CO2, coupled with the treatment of slurry from anaerobic digestion: A review

W Yang, S Li, M Qv, D Dai, D Liu, W Wang, C Tang… - Bioresource …, 2022 - Elsevier
Biogas is the gaseous by product generated from anaerobic digestion (AD), which is mainly
composed of methane and CO 2. Numerous independent studies have suggested that …

Biogas conditioning and digestate recycling by microalgae: Acclimation of Chlorella vulgaris to H2S-containing biogas and high NH4-N digestate and effect of biogas …

T Xie, C Herbert, D Zitomer, L Kimbell, M Stafford… - Chemical Engineering …, 2023 - Elsevier
Microalgae have the potential for biogas upgrading and digestate management as a
downstream technology of anaerobic digestion. Through the acclimation to typical swine …

Integration of anaerobic digestion and microalgal cultivation for digestate bioremediation and biogas upgrading

D Nagarajan, DJ Lee, JS Chang - Bioresource technology, 2019 - Elsevier
Biogas is the gaseous byproduct obtained during anaerobic digestion which is rich in
methane, along with a significant amount of other gases like CO 2. The removal of CO 2 is …

Agro-industrial wastewaters for algal biomass production, bio-based products, and biofuels in a circular bioeconomy

JC de Carvalho, DT Molina-Aulestia… - Fermentation, 2022 - mdpi.com
Recycling bioresources is the only way to sustainably meet a growing world population's
food and energy needs. One of the ways to do so is by using agro-industry wastewater to …

Application of a compact trickle-bed bioreactor for the removal of odor and volatile organic compounds emitted from a wastewater treatment plant

D Kasperczyk, K Urbaniec, K Barbusinski… - Journal of environmental …, 2019 - Elsevier
A compact trickle-bed bioreactor (CTBB) was tested for the removal of volatile organic
compounds (VOCs) and hydrogen sulphide (H 2 S) present in the exhaust air of a …

Removal of H2S by a continuous microalgae-based photosynthetic biogas upgrading process

L Meier, D Stará, J Bartacek, D Jeison - Process Safety and Environmental …, 2018 - Elsevier
The capacity of a biogas upgrading system based on the microalgae Chlorella sorokiniana
was evaluated. A system composed of a photobioreactor connected to an absorption column …

Bacterial biofilm-mediated environmental remediation: Navigating strategies to attain Sustainable Development Goals

S Das, T Pradhan, SK Panda, AD Behera… - Journal of …, 2024 - Elsevier
Bacterial biofilm is a structured bacterial community enclosed within a three-dimensional
polymeric matrix, governed by complex signaling pathways, including two-component …

Integration of Moving Bed Biofilm Reactor (MBBR) and algal PhotoBioReactors (aPBR) for achieving carbon neutrality in wastewater treatment

F Pasquarelli, G Oliva, A Mariniello, A Buonerba… - Science of The Total …, 2024 - Elsevier
Carbon neutrality is a primary goal for wastewater treatment plants (WWTPs), as they are
responsible for significant greenhouse gas (GHG) emissions as well as unpleasant odour …