Process for removing of heavy metal from water in particular fro

Details Process for removing of heavy metal from water in particular fro Process for removing of heavy metal from water in particular fro

1986-05-08

1988-08-16

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210717, 210724, 210912, 210914, 423 35, 423105, 423144, 423165, 423419R, C02F 152

Patent

active

047642840

ABSTRACT:
Process for removing Sr and heavy metals from water in particular from waste water by throughly mixing it with a solution of an alkali metal carbonate and/or hydrogen carbonate in a reactor containing a fluidized bed of suitable bed material. The obtained heavy metal carbonate crystals crystallize onto said bed material and the obtained heavy metal carbonate crystals in granular form are removed from the reactor from time to time.
The heavy metals which may be removed are Ni, Zn, Cu, Fe, Ag, Pb, Cd or Hg.

REFERENCES:
patent: 3579443 (1971-05-01), Horst
patent: 4343706 (1982-08-01), Etzel et al.
Grant, J., ed., Hackh's Chemical Dictionary, 4th Edition, 1969, p. 315.
Metal Finishing, 52nd Guidebook-Directory Issue, 1984, Metals and Plastics Publication Inc., vol. 82, No. 1A, p. 824.

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