There are four kinds of products:powered,granular,nubbly and over-slender,which are widely used in the field of rubber,pesticide,paint,fodder,vinylite,adhesive and so on.
This phenomenon was determined by particularity of producing and selling,turnover velocity of receivable account and stock-in-trade,cashability of receivable account and the amount of payable account.
Objective:Aspergillus niger and Candida mycoderma was used to ferment Daqu distiller's grain to produce single cell protein feed with the additive of glucoamylase and cellulose.
The biotechnology of flask batch and fed-batch culture to produce yeast from cornhusk hydrolysate was studied and the fed -batch process in 10L bioreactor was conducted.