Following a 2nd filtration and washing, the titanium oxide hydrate has low concentrations of coloured impurities. On the other hand, it nevertheless includes 5–10% chemisorbed sulfuric acid, which cannot be absolutely taken out by washing. It… Read More


As temperature will increase, an endothermic reaction takes place concerning carbon dioxide and carbon to form carbon monoxide. Oxygen have to be co-fed with chlorine to keep up the reaction temperature concerning 800 and 1200 °C.Sea … Read More