Apparatus for automatically controlling the feed rate of alcohol

Details Apparatus for automatically controlling the feed rate of alcohol Apparatus for automatically controlling the feed rate of alcohol

1986-12-04

1987-09-08

Yeung, James C.

Chemistry: molecular biology and microbiology

Apparatus

Bioreactor

435140, 435818, 435316, 426 17, C12M 134

Patent

active

046924140

ABSTRACT:
A method and apparatus for producing vinegar by acetic acid fermentation utilizing an automatic alcohol analyzer for measurement of alcohol concentration in a fermenting broth, a feeding apparatus for feeding alcohol solution as raw material to the fermenting broth, and a control computer controllably coupled to the alcohol analyzer and to the feeding apparatus. The alcohol concentration in the fermenting broth is periodically measured by the automatic alcohol analyzer by a direction from the control computer at given intervals over a plurality of cycles of measurement; the control computer calculates a feed rate of alcohol solution as raw material to the fermenting broth so as to control the alcohol concentration in the fermenting broth at a desirable concentration on the basis of a difference between a measured alcohol concentration in the fermenting broth and a desirable alcohol concentration and the alcohol consumption rate calculated during each of the cycles by the control computer; and then the feeding apparatus is operated to control the feed rate of the alcohol solution responsive to a control signal generated by the control computer as a result of the aforementioned calculations, to thereby controllably feed alcohol solution as raw material to the fermenting broth.

REFERENCES:
patent: 1272276 (1918-07-01), Klein
patent: 1880381 (1932-10-01), Frings
patent: 3445245 (1969-05-01), Ebner
patent: 4378375 (1983-03-01), Kunimatsu et al.
patent: 4503078 (1985-03-01), Ebner
patent: 4656140 (1987-04-01), Yamada et al.

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