Separation of protein from cheese whey using coagulation and ultrafiltration methods | |
| Author | Chen, Yu |
| Call Number | AIT Thesis no.EV-96-10 |
| Subject(s) | Coagulation Ultrafiltration |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science |
| Publisher | Asian Institute of Technology |
| Abstract | Laboratory experiments were conducted to develop a simpler and faster analytical method for estimation of protein concentration in cheese whey, and to investigate the performance of various types of coagulants and ultrafiltration for protein separation from cheese whey. Bradford protein assay using cheese whey as a standard yielded the satisfactory protein concentration measurement in cheese whey. Coagulation using chitosan, a natural polymer coagulant, was found to be more effective than PAC and alum for removal of turbidity and protein from cheese whey. Turbidity removal of 96.3% and protein removal of 75.0% was achieved at a low chitosan dosage of 30 mg/! as coagulant. Laboratory scale crossflow ultrafiltration experiments were conducted to study protein separation from cheese whey. Polysulphone flat-sheet membrane with Cutoff size of 6,000 was used in this study. The steady state permeate flux of 0.82 l/m2.h and protein rejection of 91.0% was obtained at optimum pressure of 1.5 bar. |
| Year | 1996 |
| Type | Thesis |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC)) |
| Academic Program/FoS | Environmental Engineering (EV) |
| Chairperson(s) | Annachhatre, Ajit P.; |
| Examination Committee(s) | Visvanathan, C.;Kamei, Tasuku; |
| Scholarship Donor(s) | Asian Institute of Technology (Partial Scholarship); |
| Degree | Thesis (M.Sc.) - Asian Institute of Technology, 1996 |