Liquid purification or separation – Processes – Separating
Patent
1987-09-08
1988-06-14
Cintins, Ivars
Liquid purification or separation
Processes
Separating
210767, 210779, 210805, 435261, 435803, B01D 3700
Patent
active
047510072
ABSTRACT:
A method comprising passing a culture solution including Bacillus subtilis or gene-recombinated Bacillus thereof through a pipe-like ceramic filter at a flow rate of 2 m/sec or less, the ceramic filter having a filter layer at an inner cylindrical surface thereof, the filter layer being made of spherical particles, and a surface roughness (Rmax) of the inner surface of the ceramic filter being 10 microns or less.
REFERENCES:
patent: 4088576 (1978-05-01), Mott
patent: 4105804 (1978-08-01), Terui et al.
patent: 4278544 (1981-07-01), Takashima
patent: 4420398 (1983-12-01), Castino
patent: 4692411 (1987-09-01), Ghose
Iijima Shinji
Katoh Yoshihisa
Kobayashi Takeshi
Minami Toshiro
Yasuda Shunji
Cintins Ivars
Iijima Shinji
Kobayashi Takeshi
Toshiba Ceramics Co. Ltd.
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