BRPI0501652A - reagent for in situ and ex situ destruction of environmental contaminants - Google Patents

reagent for in situ and ex situ destruction of environmental contaminants

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Publication number
BRPI0501652A
BRPI0501652A BRPI0501652A BRPI0501652A BR PI0501652 A BRPI0501652 A BR PI0501652A BR PI0501652 A BRPI0501652 A BR PI0501652A BR PI0501652 A BRPI0501652 A BR PI0501652A
Authority
BR
Brazil
Prior art keywords
situ
reagent
destruction
environmental contaminants
salts
Prior art date
Application number
Other languages
Portuguese (pt)
Inventor
Wilson De Figueiredo Jardim
Juliano De Almeida Andrade
Original Assignee
Unicamp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unicamp filed Critical Unicamp
Priority to BRPI0501652-5A priority Critical patent/BRPI0501652B1/en
Publication of BRPI0501652A publication Critical patent/BRPI0501652A/en
Publication of BRPI0501652B1 publication Critical patent/BRPI0501652B1/en

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  • Processing Of Solid Wastes (AREA)

Abstract

"REAGENTE PARA A DESTRUIçãO IN-SITU E EX-SITU DE CONTAMINANTES AMBIENTAIS". A presente patente de invenção diz respeito a um reagente utilizado para a destruição in-situ e ex-situ de compostos orgânicos tóxicos e recalcitrantes passíveis de oxidação química que estejam presentes em efluentes industriais, água bruta e tratada, solos, água subterrânea e/ou sedimentos, além também, do uso na oxidação de diversas substâncias inorgânicas, tais como, Mn¬ 2+¬, As¬ 3+¬, Cr¬ 3+¬, NO~ 3~¬ -¬, NO~ 2~¬ -¬ e NH~ 3~, compreendendo a mistura de sais de ferro II (Fe¬ 2+¬) e sais de ferro III (Fe¬ 3+¬), isoladamente ou combinados, na presença de um ou mais ligantes e juntamente com um ou mais agentes tensoativos, em qualquer faixa de pH, e em qualquer relação mássica ¢Fe¬ 2+¬!:¢ligante!: ¢tensoativo!."REAGENT FOR IN-SITU AND EX-SITU DESTRUCTION OF ENVIRONMENTAL CONTAMINANTS". The present invention relates to a reagent used for the in situ and ex situ destruction of toxic and recalcitrant organic compounds liable to chemical oxidation which are present in industrial effluent, raw and treated water, soil, groundwater and / or sediments, as well as the use in oxidation of various inorganic substances such as Mn¬ 2 + ¬, As¬ 3 + ¬, Cr¬ 3 + ¬, NO ~ 3 ~ ¬ -¬, NO ~ 2 ~ ¬ -¬ and NH-3 ~, comprising a mixture of iron II (Fe¬ 2 + ¬) salts and iron III (Fe + 3 + ¬) salts, alone or in combination, in the presence of one or more binders and together with one or more more surfactants, in any pH range, and in any mass ratio ¢ Fe¬ 2 + ¬!: ¢ binder !: ¢ surfactant !.

BRPI0501652-5A 2005-04-20 2005-04-20 Reagent for in situ and ex situ destruction of environmental contaminants BRPI0501652B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0501652-5A BRPI0501652B1 (en) 2005-04-20 2005-04-20 Reagent for in situ and ex situ destruction of environmental contaminants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0501652-5A BRPI0501652B1 (en) 2005-04-20 2005-04-20 Reagent for in situ and ex situ destruction of environmental contaminants

Publications (2)

Publication Number Publication Date
BRPI0501652A true BRPI0501652A (en) 2006-12-12
BRPI0501652B1 BRPI0501652B1 (en) 2015-05-26

Family

ID=37496237

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0501652-5A BRPI0501652B1 (en) 2005-04-20 2005-04-20 Reagent for in situ and ex situ destruction of environmental contaminants

Country Status (1)

Country Link
BR (1) BRPI0501652B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140031196A1 (en) * 2011-05-17 2014-01-30 Incorporated Administrative Agency, National Agriculture And Food Research Organization Fenton reaction catalyst produced using reducing organic substance as raw material
CN113845234A (en) * 2021-09-23 2021-12-28 中国环境科学研究院 Sand column device for simulating oxidation-reduction zone of underground water and using method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140031196A1 (en) * 2011-05-17 2014-01-30 Incorporated Administrative Agency, National Agriculture And Food Research Organization Fenton reaction catalyst produced using reducing organic substance as raw material
CN113845234A (en) * 2021-09-23 2021-12-28 中国环境科学研究院 Sand column device for simulating oxidation-reduction zone of underground water and using method

Also Published As

Publication number Publication date
BRPI0501652B1 (en) 2015-05-26

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Legal Events

Date Code Title Description
B06A Notification to applicant to reply to the report for non-patentiability or inadequacy of the applcation according art. 36 industrial patent law
B06A Notification to applicant to reply to the report for non-patentiability or inadequacy of the applcation according art. 36 industrial patent law
B09A Decision: granting
B16A Patent or certificate of addition of invention granted

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