- The article deals with the BESA phosphoric acid process by wet purification.
- The acid process and hydrolysis of a-amylase were used to prepare the fat substitute,and the prepared products were applied in cakes for studying the effect of fat substitute.
- With the starting material intermediate titanyl sulfate and meta-titanic acid of titanium white product by sulfuric acid process,the titanium dioxide and iron content have been determined.
- In the production of nitrophosphates by the mixed acid process the main components of the acidulation tail gas are nitrogen oxides, and the steam condensate from evaporation contains ammonia.
- The main processes for production of bisphenol A include sulfuric acid process, hydrogen chloride process and ion-exchange resin process.