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RU92015883A - METHOD OF OBTAINING CALCIUM MOLYBDATE - Google Patents

METHOD OF OBTAINING CALCIUM MOLYBDATE

Info

Publication number
RU92015883A
RU92015883A RU92015883/26A RU92015883A RU92015883A RU 92015883 A RU92015883 A RU 92015883A RU 92015883/26 A RU92015883/26 A RU 92015883/26A RU 92015883 A RU92015883 A RU 92015883A RU 92015883 A RU92015883 A RU 92015883A
Authority
RU
Russia
Prior art keywords
molybdate
calcium
calcium molybdate
molybdenum
introduce
Prior art date
Application number
RU92015883/26A
Other languages
Russian (ru)
Other versions
RU2049068C1 (en
Inventor
В.А. Патрушев
Original Assignee
В.А. Патрушев
Filing date
Publication date
Application filed by В.А. Патрушев filed Critical В.А. Патрушев
Priority to RU92015883A priority Critical patent/RU2049068C1/en
Priority claimed from RU92015883A external-priority patent/RU2049068C1/en
Publication of RU92015883A publication Critical patent/RU92015883A/en
Application granted granted Critical
Publication of RU2049068C1 publication Critical patent/RU2049068C1/en

Links

Claims (1)

Способ получения молибдата кальция относится к получению молибдата кальция, который может быть использован для введения молибдата кальция, который может быть использован для введения молибдена в сталь, выплавку ферромолибдена, получения металлического молибдена металлотермией, изобретение решает задачу получения чистого более дешевого молибдена без образования токсичных сливных вод. Сущность изобретения состоит в том, что маточный раствор после осаждения молибдата кальция хлористым кальцием, его отделения дополнительно обрабатывают отходами, содержащими окись или гидроокись кальция при pH не менее 8, фильтруют, фильтрат направляют в начало технологического процесса на обработку водного аммиачного раствора молибдата.The method of producing calcium molybdate relates to the preparation of calcium molybdate, which can be used to introduce calcium molybdate, which can be used to introduce molybdenum into steel, melt ferromolybdenum, and produce metal molybdenum by metallothermia, the invention solves the problem of obtaining pure cheaper molybdenum without generating toxic runoff . The essence of the invention is that the mother solution after precipitation of calcium molybdate with calcium chloride, its branches are further treated with waste containing oxide or calcium hydroxide at a pH of at least 8, filtered, the filtrate is sent to the beginning of the process for the treatment of aqueous ammonia molybdate.
RU92015883A 1992-12-31 1992-12-31 Process for preparing calcium molybdate RU2049068C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU92015883A RU2049068C1 (en) 1992-12-31 1992-12-31 Process for preparing calcium molybdate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU92015883A RU2049068C1 (en) 1992-12-31 1992-12-31 Process for preparing calcium molybdate

Publications (2)

Publication Number Publication Date
RU92015883A true RU92015883A (en) 1995-03-20
RU2049068C1 RU2049068C1 (en) 1995-11-27

Family

ID=20135017

Family Applications (1)

Application Number Title Priority Date Filing Date
RU92015883A RU2049068C1 (en) 1992-12-31 1992-12-31 Process for preparing calcium molybdate

Country Status (1)

Country Link
RU (1) RU2049068C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2291110C1 (en) * 2005-07-11 2007-01-10 Государственное Учреждение Институт металлургии Уральского отделения Российской Академии Наук (ГУ ИМЕТ УрО РАН) Method for preparing calcium molybdate
CN100372778C (en) * 2006-05-25 2008-03-05 上海交通大学 Preparation method of calcium molybdate self-assembly body with hollow structure

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