Desalinizacija morske i bočate vode

undergraduate thesis

• Title (english): Desalination of seawater and brackish water
• Author: Terezija Dukarić
• Mentor: Ivan Mijatović (mentor)
• Granter: University of Zagreb; Faculty of Food Technology and Biotechnology; (Department of Food Engineering); (Laboratory for Water Technology); Zagreb
• Defense date and country: 2014-07-09, Croatia
• Scientific / art field, discipline and subdiscipline: BIOTECHNICAL SCIENCES; Food Technology

Abstract

Desalinizacija je proces ukljanjanja otopljenih soli i drugih minerala iz morske ili boćate vode određenim tehnološkim postupima kako bi se dobila čista voda za piće, a i za navodnjavanje poljoprivrednih površina te druge namjene. Proces desalinizacije se može podjeliti u dvije osnovne grupe: termalni i membranski procesi. Membranski procesi reverzne osmoze najčešće se primjenjuje u svijetu dok se termalni procesi koriste u zemljama s dostupnim izvorima energije poput Bliskog Istoka. Iako su desalinizacijski procesi s energetskog gledišta skupi, razvojem tehnologije nastoji se postići što veća učinkovitost uz smanjenje troškova. Utjecaj desalinizacije na okoliš najbolje se očituje proizvodnjom velike količine koncentrata koji se ispušta u more i izaziva negativne posljedice na okolni ekosustav te emisijom stakleničkih plinova koji nastaju gorenjem fosilnih goriva. Zbog toga je potrebno voditi brigu o zbrinjavanju koncentrata prije otpuštanja u okoliš.

Abstract (english)

Desalination is a process of removing dissolved salts and other minerals from seawater or brackish using certain technological procedures, in order to get clean drinking water, irrigate agricultural areas and for other purposes. The process of desalination can be divided into two basic groups: thermal processes and membrane processes. Reverse osmosis membrane processes are most commonly used globally while thermal processes are used in countries with available energy resources such as Middle East countries. Although the desalination processes are expensive because of energy costs by investing in technology development we try to achieve greater efficiency with lower costs. Environmental impact of desalination is best reflected in the large amount of concentrate discharges to the marine environment which have a negative effect on the ecosystem, as well as in the green house gas emissions produced by burning fossil fuels. This is why it is important to take care of disposal and management of the concentrate prior to its discharge into the environment.

• Keywords: desalinizacija; morska voda; bočata voda; membranski procesi; termalni procesi
• Keywords (english): desalination; seawater; brackish water; membrane processes; thermal processes
• Language: croatian
• URN:NBN: urn:nbn:hr:159:808220
• Study programme: Title: Food Technology; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka prehrambene tehnologije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka prehrambene tehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Access restricted to students and staff of home institution
• Created on: 2017-04-27 11:30:25