The present invention relates to a method for removing glycerol from biodiesel, characterized by the steps of mixing phosphonium based salt and a hydrogen bond donor which is selected from a group consisting of glycerol, ethylene glycol, triethylene…

The present invention provides a magnetic apparatus for wastewater treatment, comprising a wastewater treatment tank having wastewater and plurality of magnetically separable adsorbents, an inlet for providing the wastewater in the wastewater…

There is provided a compound of formula Ia or formula Ib, or solvates thereof, [formula la and lb] wherein: in formula Ia: X is and anion selected from halide or sulfate; and n represents 1 or 2; and in formula Ia and formula Ib, R is selected from…

Hazardous gas detection is a tool specially developed to detect liquid petroleum gas and natural gas at the minimum concentration of gas in the air is 200 ppm and the maximum concentration of gas in the air is 10 000 ppm. Design and build a…