Lactic acid fermentation in Bioreactor

The first 200 words of this essay...

Lactic acid fermentation in Bioreactor

CHEN 6701 Advanced reaction major Assignment

Z3353443

Tingying Zhu

Catalogue

Executive Summary 4

1. Introduction & Objectives 6

1.1Background 6

1.2 Lactic acid fermentation 7

1.3 bioreactor 11

1.4 Aim of report, problem identification & justification 16

2. Necessary Data 17

2.1 lactic acid 17

2.2 rector parameter 17

3. Modeling 19

3.1 Substrate integration formula 21

3.2 Cell integration formula 22

3.3 Product integration formula 24

4. Calculation & result 26

4.1 mass transfer 26

4.1.1 effect of initial concentration 26

4.1.2 Effect of literature parameter 32

4.2 Effect of two CSTR reactors 33

4.3 Effect of pH and temperature 36

Conclusion 38

5. Start-up & shut-down 39

6. Scale-Up 40

Scale up method 41

7. Commercial Using of lactic acid and further concern 43

Pharmaceutical 43

Recovery of lactic acid 43

Notation 44

Reference 45

Executive Summary

Among all fermentation of lactic acid, whey fermentation is considered to be a low cost and most environmentally friendly method. The previous research