TREATMENT OF IRON SULPHIDE DEPOSITS
A method may include treating a water system containing or in contact with a metal sulphide scale to inhibit, prevent, reduce, dissolve or disperse iron sulphide deposits. A solution of tris(hydroxyorgano)phosphines (THP) and/or tetrakis(hydroxyorgano)phosphonium salts (THP+salts) and citrate is con...
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
04.08.2021
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Subjects | |
Online Access | Get full text |
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Summary: | A method may include treating a water system containing or in contact with a metal sulphide scale to inhibit, prevent, reduce, dissolve or disperse iron sulphide deposits. A solution of tris(hydroxyorgano)phosphines (THP) and/or tetrakis(hydroxyorgano)phosphonium salts (THP+salts) and citrate is contacted with the metal sulphide scale thereby to dissolve at least part of said scale in said solution. |
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Bibliography: | Application Number: EP20190779384 |