Anaerobic digestion (AD) of sewage sludge can be optimised by adding trade wastes (TWs) because their nutrient content and boost in biogas formation if non-inhibitory. However, some components TWs might have an inhibitory impact, such as nitrogen compounds, sulphate, heavy metals, metalloids, halogens organic pollutants (e.g., phenol). This study aimed to understand the impact on co-digestion w...

alpha 1-Proteinase inhibitor was purified from porcine blood by ammonium sulphate and Cibachron Blue-Sepharose fractionation, ion exchange chromatography on DEAE-Cellulose, gel filtration on Sephadex G-25, and zinc chelating chromatography. Thus, an inhibitor preparation with a specific activity of 1.62 IU/mg protein (enzyme: trypsin; substrate: BzArgNan) was obtained. In sodium dodecyl sulphat...

Three patients with clinically mild non-responsive adult coeliac syndrome were treated for eight weeks with oral zinc sulphate, and detailed biochemical and morphological studies were performed on the jejunal mucosa before and on treatment. Plasma zinc levels were reduced before treatment and rose to normal levels with therapy; mucosal zinc was normal before treatment and increased after therap...

Acid mine drainage (AMD) causes several environmental problems in many countries. The use of biological processes with sulphate-reducing bacteria (SRB) has great potential within environmental biotechnology. The aim of this study was to develop a bioremediation system, using a mixed culture of SRB, for the treatment of AMD from São Domingos mine. Sulphate and heavy metals (Fe, Cu and Zn) concen...

Zinc sulphate is currently used for treatment of zinc deficiency. Its uptake by the body is poor, necessitating the administration of high doses. This leads to a range of unpleasant side effects. In order to increase the bioavailability of zinc, several zinc complexes have been designed and synthesized using bidentate ligands of hydroxypyranones and hydroxypyridinones. Elemental analysis in eac...

The aqueous extract of Ocimum basilicum leaves and zinc salts (zinc sulphate) was used as precursors in this investigation to create oxide nanoparticles. ultraviolet-visible spectroscopy, scanning electron microscopy, Dynamic light scattering (DLS) were characterize the produced (SEM), Energy-dispersive X-ray analysis (EDX), Because UV-Vis spectra exhibit absorption peaks 350 nm range. DLS prov...

The traditional roast-leach-electrowin(RLE) zinc production route was developed for the processing of sulphide ores. It can prove inefficient for some complex sulphides and is not readily applicable to the treatment of other ore types. Inherent to this route is the generation of SO2 gas that has to be fixed for environmental reasons, usually resulting in the production of sulphuric acid. These ...