98%
921
2 minutes
20
Flue gases are the gases which are produced from industries related to chemical manufacturing, petrol refineries, power plants and ore processing plants. Along with other pollutants, sulfur present in the flue gas is detrimental to the environment. Therefore, environmentalists are concerned about its removal and recovery of resources from flue gases due to its activation ability in the atmosphere to transform into toxic substances. This review is aimed at a critical assessment of the techniques developed for resource recovery from flue gases. The manuscript discusses various bioreactors used in resource recovery such as hollow fibre membrane reactor, rotating biological contractor, sequential batch reactor, fluidized bed reactor, entrapped cell bioreactor and hybrid reactors. In conclusion, this manuscript provides a comprehensive analysis of the potential of thermotolerant and thermophilic microbes in sulfur removal. Additionally, it evaluates the efficacy of a multi-enzyme engineered bioreactor in this process. Furthermore, the study introduces a groundbreaking sustainable model for elemental sulfur recovery, offering promising prospects for environmentally-friendly and economically viable sulfur removal techniques in various industrial applications.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1016/j.scitotenv.2023.169857 | DOI Listing |
Int J Anal Chem
August 2025
Department of Chemistry, Government College University, Faisalabad 38030, Pakistan.
This study examines the flue gas emissions originated from various fuel types used in the textile industries of Faisalabad, Pakistan, and their compliance with the Punjab Environmental Quality Standards (PEQS), Pakistan. Data from 109 textile factories revealed significant emission variations based on fuel types. Natural gas was identified as an eco-friendly fuel, with emissions far below the PEQS limits (CO: 334.
View Article and Find Full Text PDFEnviron Pollut
September 2025
College of Environment and Ecology, Laboratory of Compound Air Pollution Identification and Control, Taiyuan University of Technology, Taiyuan, 030024, China.
The coking industry is a major source of polycyclic aromatic hydrocarbons (PAHs) and oxygenated PAHs (OPAHs). Although some OPAHs are considered to be more toxic than PAHs, limited information is available on the levels of PAH and OPAH emissions from the coking industry. Accordingly, we measured the emission factors (EF) for PAHs and OPAHs produced by the coking industry in China.
View Article and Find Full Text PDFACS Cent Sci
August 2025
Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private, Ottawa, Ontario K1N 6N5, Canada.
Metal-organic framework (MOF) materials have attracted significant attention as solid sorbents for low energy CO capture with adsorption-based gas separation processes. In this work, an integrated screening workflow combining a series of atomistic and process simulations was applied to identify promising MOFs for a 4-step pressure-vacuum swing adsorption (P/VSA) process at three different CO flue gas compositions (6%, 15% and 35%). Starting from 55,818 unique experimentally characterized MOFs, ∼19k porous MOFs were investigated via atomistic grand canonical Monte Carlo (GCMC) simulations and machine learning model-based process optimizations to accelerate the screening of a large candidate database.
View Article and Find Full Text PDFAdv Mater
September 2025
Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA.
Industrial separation processes account for 10-15% of global energy consumption. Membrane-based processes are less energy-intensive than traditional gas separation technologies; however, enhanced material separation performance and stability for numerous gas mixtures are needed for widespread industrial adoption. This work presents a generalizable strategy for preparing mixed-matrix gas separation membranes exceeding the performance upper bounds of existing polymer membranes for a wide variety of industrial gases.
View Article and Find Full Text PDFTop Curr Chem (Cham)
August 2025
School of Environmental Engineering, University of Seoul, Seoul, Republic of Korea.
Gases are integral to Earth's climate and ecosystem balance, but human activity has significantly altered atmospheric composition by increasing greenhouse gas emissions. In 2025, carbon dioxide emissions were estimated at around 39-41 billion tons, reflecting a continued increase. Emissions of carbon monoxide, sulfur dioxide, and nitrogen dioxide were expected to remain close to 2.
View Article and Find Full Text PDF