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master's thesis
Uklanjanje olova iz vodene otopine na različitim bisorbensima - utjecaj omjera kruto/tekuće
diplomski rad
2022. urn:nbn:hr:167:746807
Vrdoljak, Lucija
University of Split
Faculty of Chemistry and Technology
Division of Engineering and Chemistry

Cite this document

Vrdoljak, L. (2022). Uklanjanje olova iz vodene otopine na različitim bisorbensima - utjecaj omjera kruto/tekuće : diplomski rad (Master's thesis). Split: University of Split, Faculty of Chemistry and Technology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:167:746807

Vrdoljak, Lucija. "Uklanjanje olova iz vodene otopine na različitim bisorbensima - utjecaj omjera kruto/tekuće : diplomski rad." Master's thesis, University of Split, Faculty of Chemistry and Technology, 2022. https://urn.nsk.hr/urn:nbn:hr:167:746807

Vrdoljak, Lucija. "Uklanjanje olova iz vodene otopine na različitim bisorbensima - utjecaj omjera kruto/tekuće : diplomski rad." Master's thesis, University of Split, Faculty of Chemistry and Technology, 2022. https://urn.nsk.hr/urn:nbn:hr:167:746807

Vrdoljak, L. (2022). 'Uklanjanje olova iz vodene otopine na različitim bisorbensima - utjecaj omjera kruto/tekuće : diplomski rad', Master's thesis, University of Split, Faculty of Chemistry and Technology, accessed 18 April 2024, https://urn.nsk.hr/urn:nbn:hr:167:746807

Vrdoljak L. Uklanjanje olova iz vodene otopine na različitim bisorbensima - utjecaj omjera kruto/tekuće : diplomski rad [Master's thesis]. Split: University of Split, Faculty of Chemistry and Technology; 2022 [cited 2024 April 18] Available at: https://urn.nsk.hr/urn:nbn:hr:167:746807

L. Vrdoljak, "Uklanjanje olova iz vodene otopine na različitim bisorbensima - utjecaj omjera kruto/tekuće : diplomski rad", Master's thesis, University of Split, Faculty of Chemistry and Technology, Split, 2022. Available at: https://urn.nsk.hr/urn:nbn:hr:167:746807

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Metadata
TitleUklanjanje olova iz vodene otopine na različitim bisorbensima - utjecaj omjera kruto/tekuće : diplomski rad
Title (english)Removal of lead from the aqueous solution on different bisorbens: the impact of the solid/liquid ratio : master thesis
AuthorLucija Vrdoljak
MentorIvona Nuić (mentor)
Committee memberMarin Ugrina (predsjednik povjerenstva)
Committee memberMario Nikola Mužek (član povjerenstva)
Committee memberIvona Nuić (član povjerenstva)
GranterUniversity of Split
Faculty of Chemistry and Technology
(Division of Engineering and Chemistry)
Split
Defense date and country2022-10-31, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Chemical Engineering
Abstract
Mnogi vodni sustavi su pod stresom uslijed prekomjernog iscrpljivanja, ali i onečišćenja iz antropogenih djelatnosti, posebice toksičnim teškim metalima. U svrhu zaštite i očuvanja voda u prirodi, a time i opstanka ljudi na Zemlji, potrebno je razviti učinkovitu, ali i ekološki i ekonomski prihvatljivu metodu uklanjanja teških metala iz voda. U ovome radu ispitana je učinkovitost čvrstog otpada/nusproizvoda (koštice maslina, pelet od komine maslina, ostaci hridinskog ježinca, koštice trešanja i koštice višanja) iz lokalnih pogona za preradu i proizvodnju hrane u uklanjanju teškog metala olova (c o (Pb) = 2,959 mmol/L, tj. 613 mg/L) iz vodene otopine šaržnim postupkom pri različitim omjerima kruto/tekuće (S/L = 0,25/50 - 2,50/50). Najveći kapacitet i najveću učinkovitost uklanjanja olova pokazale su koštice višanja, na kojima je pri najvećem S/L omjeru olovo uklonjeno s učinkovitošću od 90,9%. Pri tome je zaostala koncentracija olova iznosila 55,5 mg/L, što je prema pravilnicima iznad propisanih vrijednosti u obrađenim otpadnim vodama (0,5 mg/L) i u vodi za ljudsku potrošnju (10 μg/L). Buduća istraživanja trebalo bi usmjeriti na što bolju iskoristivost biosorbenasa u višestupanjskoj obradi vode kako bi se količina opasnog čvrstog otpada svela na minimum, a koncentracija olova smanjila na dopuštene vrijednosti. Uklanjanje olova iz otpadnih voda na biosorbensima moglo bi smanjiti ukupne troškove obrade vode te pridonijeti konceptu održivog razvoja.
Abstract (english)
Many water systems are under stress due to excessive depletion, but also pollution from anthropogenic activities, especially by toxic heavy metals. In order to protect and preserve water in nature, and thus the survival of people on Earth, it is necessary to develop an efficient, but also ecologically and economically acceptable method of heavy metals removal from water. In this diploma thesis, the effectiveness of solid waste/by-products (olive pits, olive pomace pellets, residues of sea urchins, cherry pits and sour cherry pits) from local plants for processing and food production for removal of lead from an aqueous solution (c o (Pb) = 2.959 mmol/L, i.e. 613 mg/L) by a batch process at different solid/liquid ratios (S/L = 0.25/50 - 2.50/50) was investigated. The highest capacity and removal efficiency were obtained at sour cherry pits, where at the highest S/L = 2.50/50 the lead was removed with efficiency of 90.9%. At the same time, the residual lead concentration was 55.5 mg/L, which is above prescribed values by Croatian laws (0.5 mg/L in the treated wastewater and 10 μg/L in the water for human consumption). Future research should be focused on the best possible utilization of biosorbents in multi-stage water treatment in order to reduce the quantity of the hazardous solid waste, as well as to reduce the lead concentration to permissible levels. Removal of lead from wastewaters using biosorbents could reduce the total costs of the water treatment and contribute to the concept of sustainable development.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:167:746807
Study programmeTitle: Chemical Technology; specializations in: Materials, Environmental Protection, Mediteranean Cultures, Materials and Environmental protection
Course: Materials
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka kemijskog inženjerstva (magistar/magistra inženjer/inženjerka kemijskog inženjerstva)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Embargo expiration date: 2023-11-29
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Created on2022-11-29 09:50:13