Methods to produce sulfate-free saline water and gypsum

Details Methods to produce sulfate-free saline water and gypsum Methods to produce sulfate-free saline water and gypsum

2008-07-01

2008-07-01

Menon, Krishnan S (Department: 1797)

Wells

Processes

Producing the well

C166S279000, C166S300000, C166S309000, C166S310000, C210S650000, C210S652000, C210S640000

Reexamination Certificate

active

07392848

ABSTRACT:
Methods are disclosed for the selective separation of sulfate from a saline stream such as seawater to produce nearly sulfate-free saline stream for oil-fields water injection operations. The separated sulfate in the form of gypsum from the treated saline stream can be used in different applications.

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