The nitrogen removal effect by immobilized bacteria in fluidized bed was studied by means of bacteria screening,carrier preparation,selection of operation process and so on.

The results showed that the carbon sources can be used by the immobilized bacteria as exogenous carbon sources.

Biotransforming L-PAC with immobilized cell in biphasic aqueous/organic phase;

Advances in application of immobilized cell technique in wastewater treatment;

Vinegar beverage of Ganoderma lucidu fermented by immobilized cell with PVA;

Removal of sulfur dioxide by immobilized cells;

Discussion on the application of immobilized cells in improving soy sauce's flavor;

The optimization of bioconversion conditions for the production of L-cysteine with immobilized cells based on response surface analysis;

Present state and prospect of cell immobilization technique and its applications to wastewater treatment;

It has been applied in the field of cell immobilization at the earliest.

In this paper,the medium optimization,the control of temperature,pH and dissolved oxygen,fed-batch culture,multi-strain fermentation and cell immobilization fermentation in the cellulase production by submerged fermentation,are mainly summarized.