System and method of making ferric chloride with reduced...

Details System and method of making ferric chloride with reduced... System and method of making ferric chloride with reduced...

2005-03-07

2010-10-26

Griffin, Walter D (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including internal mixing or stirring means

C422S205000, C422S225000, C422S228000, C423S190000, C423S493000

Reexamination Certificate

active

07820119

ABSTRACT:
The present invention involves a system and method of making ferric chloride with reduced amounts of hydrochloric acid for water treatment. The method comprises preparing a reactant batch comprising ferric oxide and hydrochloric acid at a predetermined molar ratio. The method further includes mixing the reactant batch with an impeller rotating between about 60 and 150 revolutions per minute. The method further includes maintaining the reactant batch at a temperature between about 70° Fahrenheit and 180° Fahrenheit. The method forms a reaction product including ferric chloride and a reduced amount of hydrochloric acid.

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An english translation of the Abstract is attached to the JP01014116 A.
English Abstract of CN 87107648 A, which was published Aug. 10, 1988.
English Abstract of DD 110481 A, which was published on Dec. 20, 1974.
English Abstract of DD 99972 A, which was published on Sep. 5, 1973.
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Machine translation of CN87107648 A, which was published Aug. 1988.
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PCT Publication WO 94/26667, International Application No. PCT/FR94/00449, Murphy et al., Process for the Preparation of Ferric Chloride, Published on Nov. 24, 1994.

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