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Decontamination of Oils Contaminated with Polychlorinated Biphenyls and Dibenzyl Disulfide Using Polar Aprotic Solvents

SYSNO ASEP	0445923
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Ostatní články
Název	Decontamination of Oils Contaminated with Polychlorinated Biphenyls and Dibenzyl Disulfide Using Polar Aprotic Solvents
Tvůrce(i)	Kaštánek, František (UCHP-M)_{RID, SAI, ORCID} Matějková, Martina (UCHP-M)_{RID, ORCID, SAI} Spáčilová, Lucie (UCHP-M)_{RID, SAI} Maléterová, Ywetta (UCHP-M)_{RID, ORCID, SAI} Kaštánek, P. (CZ) Šolcová, Olga (UCHP-M)_{RID, ORCID, SAI}
Zdroj.dok.	International Journal of Engineering Science and Innovative Technology. ON -LINE - ISSN 2319-5967 Roč. 4, č. 2 (2015), s. 41-48
Poč.str.	8 s.
Forma vydání	Online - E
Jazyk dok.	eng - angličtina
Země vyd.	IN - Indie
Klíč. slova	corrosive sulfur ; dibenzyl disulfide ; polar aprotic solvents
Vědní obor RIV	CI - Průmyslová chemie a chemické inženýrství
CEP	TA04020151 GA TA ČR - Technologická agentura ČR
Institucionální podpora	UCHP-M - RVO:67985858
Anotace	The highest efficiency, around 70 % in single-step extraction exhibited NMP. NMP was evaluated as having the best chance to be used in industry. It was shown that for some transformer oils the separation of corrosive sulfur with the common technique of filtration through a layer of commercially available sorbent (for example Fuller’s earth) is totally inadequate. However, extraction efficiency of DBDS from contaminated transformer oil with the help of NMP is sufficiently high over 99 % and feasible in a fair time of about 20 minutes. The remaining concentration of DBDS after single-step extraction from transformer oil containing up to100 ppm DBDS was low enough (approx. 0.1 ppm or non-detectable). Detection of corrosive sulfur in transformer oil after extraction with NMP has been also performed by Siemens test method (IEC 62535) and by updated ASTM 1275B proposed by CIGRE Covered Conductor Deposition test method and was negative. It is possible to consider the transformer oil after the extraction procedure as corrosive sulfur free. Traces of solvent in the oil after extraction were quantitatively separated from treated oil by purification via simple liquid-solid extraction with commercial Si-Al-Mg based inorganic sorbent containing attapulgite.
Pracoviště	Ústav chemických procesů
Kontakt	Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227
Rok sběru	2016
Elektronická adresa	http://www.ijesit.com/Volume%204/Issue%202/IJESIT201502_06.pdf

Počet záznamů: 1