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Study on Fluidity and Deposition Characteristics of Air-Containing Filling Slurry.
ACS Omega
December 2024
Norin Mining Limited, Beijing 100053, China.
With the continuous exploitation of global mineral resources, backfill technology for gob areas has become a crucial aspect of mine safety and sustainable development. As a primary method of gob area backfill, slurry backfill directly relates its flow properties and filling height to the efficiency and safety of mine extraction. To enhance the flow properties of the slurry and increase its filling height, a research study on the flow and deposition characteristics of a gas-containing filling slurry was conducted using a combination of theoretical analysis, laboratory experiments, and field tests.
View Article and Find Full Text PDFIntegrated coagulation-flocculation with nanofiltration and reverse osmosis membrane for treating sugar cane industry effluent.
Heliyon
December 2024
Laboratoire Eaux Hydro-Systèmes et Agriculture (LEHSA), Institut International d'ingénierie de l'Eau et de l'Environnement (2iE), 1 Rue de la science 01 BP 594 Ouagadougou 01, Burkina Faso.
Sugarcane industries, like other agro-food industries, generate significant volumes of wastewater containing high concentrations of organic and inorganic pollutants. Among the proposed treatment solutions, the anaerobic membrane bioreactor (AnMBR) has proven highly effective in degrading organic pollutants but has limitations in removing color and inorganic pollutants. To address this gap, integrating other technologies with AnMBR is necessary.
View Article and Find Full Text PDFFlocculation of for successful harvesting and potential use.
Water Sci Technol
November 2024
Loyola Centre for Research & Development, Xavier Research Foundation, Navrangpura, Ahmedabad 380009 Gujarat, India; Department of Biochemistry, St. Xavier's College, Navrangpura, Ahmedabad, 380009 Gujarat, India.
This study includes cultivation in artificial saline medium (ASM). With the aim of harvesting the bulk biomass, an experiment was set up at a bench scale to evaluate the best flocculation technique with the least compromising biomass and lipid loss. The flocculation efficiencies for the biomass have been studied using the auto-, bio-, and chemical-flocculation methods.
View Article and Find Full Text PDFThermally regulated flocculation-coalescence process by temperature-responsive cationic polymeric surfactant for enhanced crude oil-water separation.
J Hazard Mater
January 2025
Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, China; School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; The Key Lab of Critical Metals Minerals Supernormal Enrichment and Extraction, Ministry of Education, Zhengzhou 450001, China. Electronic address:
Polymeric surfactants play a crucial role in the flocculation-assisted coalescence process due to their unique bridging effect. However, the steric hindrance induced by their large molecules severely impedes the coalescence of oil droplets. Herein, temperature-responsive polymeric surfactants (quaternary ammonium chitosan-g-PNIPAM, Q-g-PN) with thermally-modulated structure were designed by integrating thermal responsive moieties onto cationic chitosan.
View Article and Find Full Text PDFPer- and polyfluoroalkyl substances (PFAS) at low concentration improve coagulation efficiency but induce higher membrane fouling in drinking water treatment.
Environ Pollut
December 2024
State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences (RCEES), Chinese Academy of Sciences, Beijing, 100085, China. Electronic address:
The presence of per- and polyfluoroalkyl substances (PFAS) in surface water has been widely reported in recent years. Many techniques, e.g.
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