Počet záznamů: 1

Ecologically Non-Invasive Decontamination of Natura 2000 Locality from Old Deposits of Hexavalent Chromium and Bivalent Nickel by Modular Electrocoagulation Combined with Ca(OH)2 Addition.

SYSNO ASEP	0533136
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Ecologically Non-Invasive Decontamination of Natura 2000 Locality from Old Deposits of Hexavalent Chromium and Bivalent Nickel by Modular Electrocoagulation Combined with Ca(OH)2 Addition.
Tvůrce(i)	Krystyník, Pavel (UCHP-M)_{RID, SAI, ORCID} Mašín, P. (CZ) Krušinová, Z. (CZ) Klusoň, Petr (UCHP-M)_{RID, ORCID, SAI}
Číslo článku	2894
Zdroj.dok.	Water. - : MDPI Roč. 12, č. 10 (2020)
Poč.str.	13 s.
Jazyk dok.	eng - angličtina
Země vyd.	CH - Švýcarsko
Klíč. slova	electrocoagulation ; water treatment ; site remediation
Vědní obor RIV	CI - Průmyslová chemie a chemické inženýrství
Obor OECD	Chemical process engineering
CEP	TA04020130 GA TA ČR - Technologická agentura ČR
	TH03030388 GA TA ČR - Technologická agentura ČR
Způsob publikování	Open access
Institucionální podpora	UCHP-M - RVO:67985858
UT WOS	000585334900001
EID SCOPUS	85095978193
DOI	10.3390/w12102894
Anotace	A modular electrocoagulation unit, supported by Ca(OH)2 addition to treated water, wasoperated in the vicinity of a Natura 2000 site for the removal of Cr6+ or Ni2+ from contaminated groundwater. The process was performed at a constant flow rate of 350 L/h. Day 0 concentrations of Cr6+ and Ni2+ started at 91.6 mg/L for Ni2+ and 43 mg/L for Cr and during testing, were decreased by 15%–25%. Residual concentrations of Crtot. and Ni2+ below the required limits of 0.5 mg/L for Crtot. and 0.8 mg/L for Ni2+ can be achieved with the electrocoagulation unit and total removal efficiencies often exceeded 98%. The overall economic assessment showed its feasible application for removal of Cr6+ and Ni2+ on sites with requirements of high environmental protection standards. The polluted area was about 150 × 150 m (22,500 m2), and it contained approximately 78,750 m3 of water contaminated with Cr6+ and Ni2+ (over 41 and 91 mg/L, respectively). The modular arrangement might allow a scaling up. The process’ output could be thus increased according to the number of EC modules in operation.
Pracoviště	Ústav chemických procesů
Kontakt	Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227
Rok sběru	2021
Elektronická adresa	https://www.mdpi.com/2073-4441/12/10/2894

Počet záznamů: 1