Heavy metal adsorbents of high selectivity, process for production of same, and adsorption process

A heavy metal adsorbent of high selectivity, a process for the production thereof, and an adsorption process using the heavy metal adsorbent are described; the adsorbent exhibits high adsorptivity particularly for mercury, and has excellent chemical stability, e.g., heat resistance and alkali resist...

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Bibliographic Details
Main Author SASAKI; AKIO
Format Patent
LanguageEnglish
Published 15.12.1981
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:A heavy metal adsorbent of high selectivity, a process for the production thereof, and an adsorption process using the heavy metal adsorbent are described; the adsorbent exhibits high adsorptivity particularly for mercury, and has excellent chemical stability, e.g., heat resistance and alkali resistance, and dimensional stability. This adsorbent is applicable, e.g., to the removal of mercury from waste water resulting from the washing of smoke in huge incineration stations, from saturated brine used in the sodium industry in an ion exchange membrane method, and so forth.
Bibliography:Application Number: US19800154740