A steady-state simulation of wet phosphoric acid concentration process was carried out. The electrolyte-NRTL model was used to calculate the activity coefficients of species considered in the aqueous ...

Traditionally, wafer cleaning via the batch type in semiconductor manufacturing has been used for many years. And the single wafer processor has developed for the advantage in particle control by ...

Phosphoric acid adsorbed on silica-ceria matrix obtained by sol-gel method: studies of local structure, texture and acid property ...

The ordinary general assemblies of Petrojet and Enppi, during an extraordinary session on Wednesday 25/6/2025, approved participation in financing the phosphoric acid production plant project in the ...