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topic 2912

Require Molybdenum Solubility Data


I am attempting to remove molybdenum from a waste stream via precipitation with the coagulant ferric sulfate in a clarifier. Molybdenum influent concentration: 1.5 ppm; treated concentration: 0.1 ppm; and effluent concentration: 0.4 ppm. Apparently, some of the precipitated Mo is redissolving at some point prior to discharge. I would like to know whether anyone has any solubility data on Mo at various pHs and temperatures? Your assistance would be greatly appreciated.

Fred Sims
Bartow, Florida



I have worked on this subject several years ago and was asked about it again yesterday and was unable to find my reference material. What information were you able to gather?


Bob Rabe

Robert Rabe
Sagamore Hills, Ohio


Please contact me re: Mo compounds solubilities. I have some specific requests plus may be able to assist you in finding individuals compiling and evaluating soly data for molybdates. You can check the IUPAC web site for details on the work of IUPAC Commission V.8

Mark Salomon
- Sea Bright, New Jersey

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