Liquid purification or separation – Processes – Treatment by living organism
Patent
1986-04-29
1988-03-22
Castel, Benoit
Liquid purification or separation
Processes
Treatment by living organism
210601, 210688, 210912, 435264, 435911, C02F 332, C12R 1645
Patent
active
047326816
ABSTRACT:
Heavy elements such as Pb, Zn, Cd, Ni, Cu and Cr constitute health hazards and are sources for environmental pollution. These elements should therefore be removed from industrial effluents. Biomass of Cladosporium cladosporioides (Fresen.) de Vries. Acc. No. 285712 is readily produced by culture in either standard fungal medium or on media composed of food-industry wastes: whey and distillery slop. The thus produced fungal biomass efficiently removes heavy elements from liquid solutions. Removal is achieved from fluids containing single heavy elements as well as from fluids containing two or more such elements. The removal of Cr can be vastly improved by Pb pretreatment of the biomass. Elements absorbed by Cladosporium cladosporioides Acc. No. 285712 are quantitatively removable providing an effluent-cleaning system which is renewable.
REFERENCES:
patent: 4505821 (1985-03-01), Kaneko et al.
International Symposium on Metal Speciation, Separation and Recovery, Jul.-Aug. 1986.
Discussion of "Fungal Biosorption: A Comparative Study of Metal Uptake by Pencillium and Cladosporium", Paul R. Anderson.
Galun Esra
Galun Margalith
Castel Benoit
Ramot University Authority for Applied Research and Industrial
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