Purifying agent for purifying soil or ground water, process for producing the same, and method for purifying soil or ground water using the same

A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising ±-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 µm, an S content of 3500 to 10000 ppm and an A1 content of 0.10 to 1.50% by weight, and p...

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Main Authors KAGUYA, KOJI, OKINAKA, KENJI, OKITA, TOMOKO, UEGAMI, MASAYUKI, KAWANO, JUNICHI, JAZDANIAN, ANDREAS
Format Patent
LanguageEnglish
French
German
Published 31.05.2006
Subjects
CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS
CHEMISTRY
DISPOSAL OF SOLID WASTE
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
METALLURGY
PERFORMING OPERATIONS
RECLAMATION OF CONTAMINATED SOIL
RECLAMATION OF CONTAMINED SOIL SOIL
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising ±-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 µm, an S content of 3500 to 10000 ppm and an A1 content of 0.10 to 1.50% by weight, and polyaspartic acid or a salt thereof. The purifying agent is capable of decomposing aliphatic organohalogen compounds or aromatic organohalogen compounds contained in the soil or ground water in an efficient, continuous and economical manner.
Bibliography:Application Number: EP20050257273