A method of synthesizing polyester toner resins comprises: polycondensing polycarboxylic acids, polyols and free fatty acids to form low molecular weight polyester resins with alkenyl group or hydroxyl group or a combination of both; wherein at…

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…

The present invention relates to a portable arsenic detection system and a method of detecting the presence of arsenic in an aqueous sample more particularly for measuring the arsenic concentration in quantitative measurements. Based on these and…