FIELD: heavy metal pollution elimination.
SUBSTANCE: invention is intended for use in technologies of purifying various media from mercury pollution. Demercurizer of invention contains elementary sulfur and sulfide ion source, the latter being a by-product in sodium hydroxide-mediated absorption of hydrogen sulfide and homologues thereof produced in synthesis of dialkyldithiophosphoric acid.
EFFECT: enhanced process efficiency and reduced expenses.
1 tbl, 8 ex
Title | Year | Author | Number |
---|---|---|---|
METHOD OF NEUTRALISING MERCURY CONTAINING WASTES | 2006 |
|
RU2327536C2 |
METHOD OF NEUTRALIZATION OF MERCURY-CONTAINING WASTES | 1999 |
|
RU2156172C1 |
METHOD FOR MERCURY REMOVAL FROM OBJECTS CONTAMINATED BY MERCURY "E-2000" AND MERCURY REMOVAL COMPOSITION MERCURY "E-2000+" | 2001 |
|
RU2175664C1 |
METHOD FOR DEMERCURATION OF MERCURY-CONTAINING WASTES FOR RECYCLING SAID WASTES | 2009 |
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RU2400545C1 |
METHOD OF UTILISATION OF SOLID MERCURY-CONTAINING WASTES AND DEVICE FOR ITS REALISATION | 2012 |
|
RU2522676C2 |
METHOD FOR DECONTAMINATION OF MERCURY-CONTAINING LUMINOPHOR | 2004 |
|
RU2280670C2 |
METHOD OF DEMERCURIZATION OF ARTICLES CONTAINING MERCURY | 1995 |
|
RU2083709C1 |
METHOD OF DEMERCURATION OF OBJECTS | 2006 |
|
RU2345154C2 |
MERCURY-REMOVAL COMPOSITION | 2003 |
|
RU2240337C1 |
METHOD OF DETOXIFICATION OF MERCURY VAPORS | 1996 |
|
RU2109832C1 |
Authors
Dates
2007-03-20—Published
2005-09-05—Filed