In this paper the effect of using direct heater on heat economy of sugar factories is discussed, also the quantity analysis method and calculation equations for vapor consumption are introduced.
A novel passivation technology of porous silicon (PS) surface, i. e. , depositing diamond film on the PS surface by microwave plasma assisted chemical vapor deposition (MPCVD) method, was developed.
The advantage and disadvantage of the five recycling methods, direct heating, direct aqueous vapor, indirect aqueous vapor, reduced pressure distillation, precipitation method, is discussed.