MD3776F1 - Process for photocatalytic regeneration of waste active coal - Google Patents

Process for photocatalytic regeneration of waste active coal Download PDF

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Publication number
MD3776F1
MD3776F1 MDA20070242A MD20070242A MD3776F1 MD 3776 F1 MD3776 F1 MD 3776F1 MD A20070242 A MDA20070242 A MD A20070242A MD 20070242 A MD20070242 A MD 20070242A MD 3776 F1 MD3776 F1 MD 3776F1
Authority
MD
Moldova
Prior art keywords
coal
waste active
water
active coal
treatment
Prior art date
Application number
MDA20070242A
Other languages
Romanian (ro)
Other versions
MD3776G2 (en
Inventor
Olga Covaliova
Victor Covaliov
Gheorghe DUCA
Tudor Lupascu
Original Assignee
Universitatea De Stat Din Moldova
Institutul De Chimie Al Academiei De Stiinte A Moldovei
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 Universitatea De Stat Din Moldova, Institutul De Chimie Al Academiei De Stiinte A Moldovei filed Critical Universitatea De Stat Din Moldova
Priority to MDA20070242A priority Critical patent/MD3776G2/en
Publication of MD3776F1 publication Critical patent/MD3776F1/en
Publication of MD3776G2 publication Critical patent/MD3776G2/en

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  • Catalysts (AREA)
  • Physical Water Treatments (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention relates to the water conditioning, particularly to a process for regeneration of waste active coal used at the water treatment. The process, according to the invention, includes treatment of coal with a solution containing, in g/L:hydrogen peroxide (H2O2), 33%��5...10manganese nitrate (Mn(NO3)2À4H2O)�0,05...0,1deionized water����the rest,at the same time treatment is carried out at the air barbotage of the suspension with the coal content of 100...150 g/L with a specific air consumption of 0,5...1,0 dm3L/min, at the concomitant action of ultra-violet radiation with the wave-length of 250...380 nm with the effective dose of radiation of 10...20 mJ/cm2.
MDA20070242A 2007-09-06 2007-09-06 Process for photocatalytic regeneration of waste active coal MD3776G2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20070242A MD3776G2 (en) 2007-09-06 2007-09-06 Process for photocatalytic regeneration of waste active coal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20070242A MD3776G2 (en) 2007-09-06 2007-09-06 Process for photocatalytic regeneration of waste active coal

Publications (2)

Publication Number Publication Date
MD3776F1 true MD3776F1 (en) 2008-12-31
MD3776G2 MD3776G2 (en) 2009-07-31

Family

ID=40255079

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20070242A MD3776G2 (en) 2007-09-06 2007-09-06 Process for photocatalytic regeneration of waste active coal

Country Status (1)

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MD (1) MD3776G2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4214C1 (en) * 2012-06-18 2013-11-30 Институт Химии Академии Наук Молдовы Process for modifying the porous structure of activated coal impregnated with Cu(II) and its use for the treatment of underground waters from hydrogen sulfide and sulfides

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU798038A1 (en) * 1974-08-20 1981-01-23 Всесоюзный Научно-Исследовательс-Кий Институт Сахарной Промышленности Method of regenerating active granulated coal
SU1039878A1 (en) * 1982-04-08 1983-09-07 Институт Физической Химии Им.Л.В.Писаржевского Method for regenerating carbonaceous adsorbent
SU1264972A1 (en) * 1983-12-30 1986-10-23 Всесоюзный Проектно-Конструкторский И Технологический Институт Вторичных Ресурсов Method of recovery of activated carbon
SU1549584A1 (en) * 1987-01-08 1990-03-15 Институт коллоидной химии и химии воды им.А.В.Думанского Method of regeneration of activated coals
SU1528728A1 (en) * 1987-11-12 1989-12-15 Институт Физической Химии Им.Л.В.Писаржевского Method of electrochemical regeneration of activated charcoal
SU1560307A1 (en) * 1987-12-28 1990-04-30 Пермский политехнический институт Method of recovery of activated coal
SU1607932A1 (en) * 1988-07-26 1990-11-23 Харьковский филиал Всесоюзного научно-исследовательского и проектно-конструкторского института по проблемам освоения нефтяных и газовых ресурсов континентального шельфа Method of regeneration of carbon sorbent polluted with mineral oil
SU1720707A1 (en) * 1989-08-25 1992-03-23 Всесоюзный Научно-Исследовательский Институт Железнодорожного Транспорта Method of regeneration of granulated activated carbon
SU1699600A1 (en) * 1989-11-21 1991-12-23 Пермский политехнический институт Method of regeneration of activated carbon
MD2333G2 (en) * 2003-02-20 2004-06-30 Институт Химии Академии Наук Молдовы Process for regeneration of the activated coal exhausted in the water treatment process
MD2478G2 (en) * 2003-07-17 2005-01-31 Институт Химии Академии Наук Молдовы Proces for regeneration of the used active coal
MD2523G2 (en) * 2003-08-05 2005-03-31 Институт Химии Академии Наук Молдовы Process for regeneration of the used active coal (variants)

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Publication number Publication date
MD3776G2 (en) 2009-07-31

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FG4A Patent for invention issued
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees