Process for acidizing hot siliceous material

Details Process for acidizing hot siliceous material Process for acidizing hot siliceous material

E - Fixed Constructions

21

B

23/194

E21B 43/27 (2006.01) C09K 8/72 (2006.01)

Patent

CA 1234479

ABSTRACT A PROCESS FOR ACIDIZING HOT SILICEOUS MATERIAL The dissolving of siliceous material in an environment containing corrodable metal and having a temperature exceeding about 300 °F is improved by using an aqueous solution containing an amount of ammonium fluoride equivalent to that in a 2-3 molar solution of hydrogen fluoride and enough weak acid and weak acid salt to provide a pH of near to but less than 7.

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