RU2001129130A - The method of extraction of heavy metal ions from industrial wastewater - Google Patents

The method of extraction of heavy metal ions from industrial wastewater

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Publication number
RU2001129130A
RU2001129130A RU2001129130/02A RU2001129130A RU2001129130A RU 2001129130 A RU2001129130 A RU 2001129130A RU 2001129130/02 A RU2001129130/02 A RU 2001129130/02A RU 2001129130 A RU2001129130 A RU 2001129130A RU 2001129130 A RU2001129130 A RU 2001129130A
Authority
RU
Russia
Prior art keywords
metal ions
heavy metal
industrial wastewater
extraction
deposition
Prior art date
Application number
RU2001129130/02A
Other languages
Russian (ru)
Other versions
RU2221883C2 (en
Inventor
Лидия Алексеевна Воропанова
Ольга Васильевна Каллагова
Original Assignee
Лидия Алексеевна Воропанова
Filing date
Publication date
Application filed by Лидия Алексеевна Воропанова filed Critical Лидия Алексеевна Воропанова
Priority to RU2001129130/02A priority Critical patent/RU2221883C2/en
Priority claimed from RU2001129130/02A external-priority patent/RU2221883C2/en
Publication of RU2001129130A publication Critical patent/RU2001129130A/en
Application granted granted Critical
Publication of RU2221883C2 publication Critical patent/RU2221883C2/en

Links

Claims (1)

Способ осаждения ионов тяжелых металлов из промышленных сточных вод с высоким содержанием солей сульфата натрия, включающий введение щелочного нейтрализатора до значений рН раствора, оптимальных для осаждения ионов тяжелых металлов, перемешивание и отстаивание с получением осадка, который многократно подвергают контакту со следующими порциями исходного раствора, отличающийся тем, что осаждение и отстаивание осуществляют при температурах 30-100°С.The method of deposition of heavy metal ions from industrial wastewater with a high content of sodium sulfate salts, including the introduction of an alkaline neutralizer to a pH of the solution that is optimal for the precipitation of heavy metal ions, mixing and settling to obtain a precipitate that is repeatedly exposed to the following portions of the initial solution, characterized the fact that the deposition and sedimentation is carried out at temperatures of 30-100 ° C.
RU2001129130/02A 2001-10-30 2001-10-30 Method of extraction of nickel ions from aqueous solutions at high content of sodium sulfate salts RU2221883C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2001129130/02A RU2221883C2 (en) 2001-10-30 2001-10-30 Method of extraction of nickel ions from aqueous solutions at high content of sodium sulfate salts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2001129130/02A RU2221883C2 (en) 2001-10-30 2001-10-30 Method of extraction of nickel ions from aqueous solutions at high content of sodium sulfate salts

Publications (2)

Publication Number Publication Date
RU2001129130A true RU2001129130A (en) 2003-07-27
RU2221883C2 RU2221883C2 (en) 2004-01-20

Family

ID=32090418

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001129130/02A RU2221883C2 (en) 2001-10-30 2001-10-30 Method of extraction of nickel ions from aqueous solutions at high content of sodium sulfate salts

Country Status (1)

Country Link
RU (1) RU2221883C2 (en)

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