Method for treatment of high pH/silica brines

Details Method for treatment of high pH/silica brines Method for treatment of high pH/silica brines

2008-07-03

2011-11-22

Hruskoci, Peter A (Department: 1778)

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

C210S712000, C210S713000, C210S714000, C210S724000, C210S737000

Reexamination Certificate

active

08062530

ABSTRACT:
A method for neutralizing brines that contain high levels of silica accompanied with a high pH. Brine is processed through a reactor in which the pH is lowered and the resultant silica precipitate is adsorbed onto a sacrificial crystal structure. The resultant stream is then processed through a solids removal zone wherein the solids are removed and recovered for reuse. The neutralized solids-free brine is then suitable for down-hole injection in the heavy oil industry or further treatment by common water treatment methods if further adjustment is required for other industries.

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