Cell separation from high cell density broths of Alcaligenes eutrophus by using a coagulant

Hee Wook Ryu, Kyung Suk Cho, Young Keun Chang, Ho Nam Chang

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Alcaligenes eutrophus was successfully recovered from high cell density broths by pre-treatment with polyaluminium hydroxide chloride silicate as a coagulant at 36 - 90 mg Al/l. The optimum pH range for cell coagulation was 10-12. Subsequent centrifugation (45 x g) and filtration (pore size 0.5 mm) gave a cell recovery of higher than 90%. The energy demand for cell recovery with the coagulant was only 3-11% of that without it.

Original languageEnglish
Pages (from-to)899-904
Number of pages6
JournalBiotechnology Techniques
Volume10
Issue number12
DOIs
StatePublished - 1996

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