This research focuses on activated carbons as adsorbents and catalysts for the removal of methyl mercaptan (MM) – odoriferous sulfur-containing compound commonly added to natural gas for leak detection purposes. Activated carbons are well known for their exceptional ability to adsorb some acidic gases. The application of activated carbons to remove hydrogen sulfide (one of the natural gas conta...

Large constructed wetlands, known as stormwater treatment areas (STAs), have been deployed to remove phosphorus (P) in drainage waters before discharge into the Everglades in South Florida, USA. Their P removal performance depends on internal P cycling under typically hydrated, but with occasionally desiccated, conditions. We examined the spatial and temporal P removal capacity under different ...

Hydrogen sulfide (H2S) is a prototype molecular system and a sister molecule of water (H2O). The phase diagram of solid H2S at high pressures remains largely unexplored arising from the challenges in dealing with the pressure-induced weakening of S-H bond and larger atomic core difference between H and S. Metallization is yet achieved for H2O, but it was observed for H2S above 96 GPa. However, ...

Hydrogen sulfide (H(2)S) is mainly known for its toxicity but has recently been shown to be produced endogenously in mammalian tissues and to be associated with physiological regulatory functions. To better understand the role of biomembranes in modulating its biological distribution and effects; we measured the partition coefficient of H(2)S in models of biological membranes. The partition coe...

Biological filtration is widely used for deodorising in wastewater treatment plants. This technique can efficiently remove soluble odour-causing substances, but minimally affects hydrophobic odorants, such as methanethiol (MT) and dimethyl sulfide. Ethanol absorption capacity for MT (as a representative hydrophobic odorant) was studied, and the MT removal rate formula was deduced based on the p...

Abstract Batik is one of Indonesia’s original cultural heritages. In Indonesia, the batik industry largest home-based textile industry. This consumes a large amount water. Due to unavailability wastewater treatment plant, most producers dispose directly into river, resulting in extensive water pollution. Some pollutants, such as color, phenol, and sulfide, have potential pollute environment. Wa...

Phytoremediation is an emerging concept for contaminated soil restoration via the use of resilient plants that can absorb contaminants. The harvested biomass be thermochemically converted to energy carriers/chemicals, linking decontamination with biomass-to-energy and aligning circular economy principles. Two thermochemical conversion steps biomass, both used treatment/exploitation, are conside...

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