Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1978-12-18
1980-08-05
Weinblatt, Mayer
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
252 82, 252 86, 252175, 252180, 134 41, 422 13, 422 16, C02G 506
Patent
active
042160871
ABSTRACT:
The present invention concerns a method of inhibiting or controlling calcium scale deposition in SO.sub.2 flue gas scrubbers which comprises scrubbing said flue gases with an aqueous composition comprising concentrated sodium hydroxide and a 2-hydroxyethyl iminodiacetate calcium inhibitor.
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McIlvaine Scrubber Manual, vol. IV, 6/78.
Long Ray S.
Siemak John B.
Ambrosius J. W.
Street G. D.
The Dow Chemical Company
Weinblatt Mayer
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