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Heavy metal recovery by extraction and permeation in incineration preocesses
Author(s) -
Bart HansJörg,
Marr Rolf,
Draxler Josef,
Hartl Josef
Publication year - 1990
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.270130142
Subject(s) - incineration , extraction (chemistry) , precipitation , waste management , permeation , heavy metals , scope (computer science) , ion exchange , environmental science , metal , petrochemical , process engineering , chemistry , engineering , metallurgy , materials science , environmental chemistry , chromatography , computer science , ion , organic chemistry , meteorology , biochemistry , physics , membrane , programming language
Incineration processes are critical for the environment. SO 2 and NO X removal with processes is nowadays commonplace. Up to now, heavy metal were recovered via precipitation. The alternative use of liquid ion exchange techniques offers an easy re‐use of the heavy metals, which are obtained as concentrates. A separation process is described, starting from laboratory experiments and ending with pilot plant field tests. A cost comparison for extraction, permeation and precipitation gives the scope of the necessary expenses for such environmentally controlled processes.