METHOD FOR PRODUCING POLYHYDROXYALKANOATE, AND USE OF SAME
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United States of America
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Feb 6, 2025
app pub date -
Dec 14, 2022
filing date -
Dec 14, 2022
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Abstract
An object is to provide a PHA production method which enables efficient filtration. A PHA production method is provided, the PHA production method including: a heating step of heating an aqueous PHA suspension containing a specific additive and having a pH of 2.5 to 5.5 such that the aqueous PHA suspension has a temperature of 60° C. to 95° C.; a cooling step of cooling the aqueous PHA suspension obtained in the heating step to a specific temperature; and a filtration step of subjecting, to dead-end filtration, the aqueous PHA suspension obtained in the cooling step, with use of a filter medium having an air permeability of 0.01 cc/cm2/sec to 5.0 cc/cm2/sec, so that the above problem is solved.
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