To explore the feasible treatment alternatives for organic contaminant, especially organic arsenic species in the landfill gas (LFG) condensate, a variety of treatment approaches were examined and evaluated in this study. Biological degradation, conventional and advanced oxidation, and physical absorption showed limited effectiveness to convert the methylated arsenic to inorganic arsenic. Rever...

A membrane biofilter is used to biodegrade toluene in the gas phase. Active microorganisms are immobilized on the outside of a hollow fiber membrane cartridge and air containing toluene as the contaminant is passed through the membrane fibers. A porous polysulfone membrane containing water in the pore is used through which both toluene and oxygen are diffused to the biofilm attached to the outs...

Nowadays, the excessive and uncontrolled discharge of chemicals are imposing major health threats. The demands for clean safe water amplifies need to develop improved technologies environmental contaminant removal. Considering limitations conventional methods contaminants removal, we have prepared magnetic iron oxide nanoparticles functionalised with reduced graphene as a potential material pol...

1, 4-Dioxane is an emerging contaminant a that fully miscible in water and resistant to biodegradation. The presence of vadose zone creates prolonged environmental issues risk human health. To date, treatment technologies for remediation are still being developed. In this work, numeric simulation tool was developed investigate the fate transport enhanced soil vapor extraction (XSVE) which utili...

Ensuring the stable operation of urban wastewater treatment plants (WWTPs) and achieving energy conservation emission reduction have become serious problems with improvement national requirements for WWTP effluent. Based on a quality analysis, identification contaminant removal, simulation optimization process, practical engineering diagnosis method cyclic activated sludge technology process WW...

In this study, we evaluated the removal of nitrate from synthetic groundwater by a cathode followed by an anode electrode sequence in the electrochemical flow-through reactor. We also tested the feasibility of the applied electrode sequence to minimize the production of ammonia during the nitrate reduction. The performance of monometallic Fe, Cu, Ni, and carbon foam cathodes was tested under di...

the sources of groundwater pollution such as, industrial effluents, sewage and extensive farming have lead to agrochemical pollution. mathematical modeling helps to analyze the existing situation, allows forecasting, and to evaluate the effects of changes in the surrounding water quality. the present research has been focused mainly towards understanding the various processes affecting the tran...