Critical review of membrane bioreactor system used for continuous production of hydrolyzed starch

R Sarbatly, R England

Research output: Contribution to journalArticlepeer-review

15 Citations (SciVal)


A review. Recent developments of the starch hydrolysis have concd. on continuous prodn. of hydrolyzed starch, combination with the secondary processes that requires hydrolyzed starch as the raw material, and newly developed materials such as thermostable enzymes, and membrane applications as well. In continuous recycle membrane bioreactor systems (CRMR), thermostable alpha -amylase enzymes have to be used if simultaneous hydrolysis to be applicable. The CRMRs also require a pre-hydrolysis stage, and also the starch milk mass fraction is limited to about w = 10%, thus reducing viscosity and avoiding overloading which causes heavy fouling to the membrane. High temps. are also restricted to the used of membrane materials. The other problems are accumulation of higher mol. mass of oligosaccharides in the recirculation system, and inactivated enzymes. In this paper, these problems have been discussed for process flexibilities and system improvements for certain applications are given. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)155-165
Number of pages11
JournalChemical and Biochemical Engineering Quarterly
Issue number2
Publication statusPublished - 2004


  • Bioreactors (membrane
  • membrane bioreactor system used for continuous prodn. of hydrolyzed starch)
  • review membrane bioreactor continuous hydrolyzed starch prodn


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