wet mechanical concentration and biological …dr. esther gabor, richard frenkler, jan freytag,...

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Pioneering Bioproducts. © BRAIN Aktiengesellschaft Zwingenberg Germany www.brain-biotech.de +49 (0) 6251-9331-0 Dr. Esther Gabor, Richard Frenkler, Jan Freytag, Niklas Brenner, Marc Gauert BRAIN Aktiengesellschaft, Zwingenberg, Germany Wet mechanical concentration and biological recovery of precious metals from secondary raw materials Waste- and side streams Value-added products Low-grade material High-grade material Bioextraction Wet mechanical concentration Incineration ashes Tailings Electronic wastes Printed card boards Metallurgical slags Filter dusts Precious metals and non-iron metals can be enriched by integration of a wet mechanical preprocessing step. This high-grade material is suitable for further processing steps. Gold and other valuable metals are recovered from secondary resources by using selective starter cultures. This ensures an eco-friendly, safe and economic process design. • Density-based enrichment of heavy metals • Detoxification / Preconditioning • High-performance microorganisms • Process optimization • Intellectual Property Concentrates of non-iron metals Precious metals

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Page 1: Wet mechanical concentration and biological …Dr. Esther Gabor, Richard Frenkler, Jan Freytag, Niklas Brenner, Marc Gauert BRAIN Aktiengesellschaft, Zwingenberg, Germany Wet mechanical

Pioneering Bioproducts. © BRAIN Aktiengesellschaft Zwingenberg Germany www.brain-biotech.de +49 (0) 6251-9331-0

Dr. Esther Gabor, Richard Frenkler, Jan Freytag, Niklas Brenner, Marc Gauert

BRAIN Aktiengesellschaft, Zwingenberg, Germany

Wet mechanical concentration and

biological recovery of precious metals

from secondary raw materials

Wa

ste

-a

nd

sid

estr

ea

ms

Valu

e-a

dd

ed

pro

du

cts

Low-grade material High-grade material

BioextractionWet mechanical concentration

Incineration

ashes

Tailings Electronic

wastes

Printed card

boards

Metallurgical

slags

Filter dusts

Precious metals and non-iron

metals can be enriched by

integration of a wet

mechanical preprocessing

step. This high-grade

material is suitable for further

processing steps.

Gold and other valuable

metals are recovered from

secondary resources by

using selective starter

cultures. This ensures an

eco-friendly, safe and

economic process design.

• Density-based

enrichment of

heavy metals

• Detoxification /

Preconditioning

• High-performance

microorganisms

• Process optimization

• Intellectual Property

Concentrates of

non-iron metalsPrecious metals

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