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Biomassa för rening av metallkontaminerat grundvatten: En undersökning av biomassamaterial i Uganda
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Industrial Ecology.
2014 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Världen står inför ett stort vattenförsörjningsproblem som måste lösas – så många som 884 miljoner människor använder idag potentiellt förorenade vattenkällor till sitt dricksvatten. Denna rapport fokuserar på ett av de drabbade länderna som är Uganda. Syftet med projektet är att undersöka vilket/vilka av de fem olika ugandiska växterna; Erythrina abyssinica, Musa spp, Cyperus papyrus, Imperata cylindrica och Coffea canephora som är mest lämplig för rening av kadmium- och blykontaminerat grundvatten. Katjonbyteskapaciteten bestäms genom laboration. Analyser kring växtmaterialen görs med hjälp av litteraturstudier och intervjuer med en doktorand från Uganda. M. spp visar sig ha klart högst katjonbyteskapacitet och finns även i form av mycket avfall, därför anses denna vara det mest lämpliga materialet för rening. Lösningen skulle kunna implementeras i samhället med ett filter gjort av växtmaterial, om vidare forskning görs. 

Abstract [en]

The world is facing a major water supply problem to solve, as many as 884 million people currently use potentially polluted water sources for their drinking water. This report focuses on one of the affected countries, which is Uganda. The project aims to examine which of the five different Ugandan plants; Erythrina abyssinica, Musa spp, Cyperus papyrus, Imperata cylindrica and Coffea canephora that is the most suitable for purification of cadmium- and lead contaminated groundwater. The cation exchange capacity is determined by laboratory experiment. Literature studies and interviews with a Ugandan postgraduate student are used for the analysis of the plant materials. M. spp has the highest cation exchange capacity and contributes with a lot of waste material; therefore it is considered the most suitable material for purification. The solution could be implemented in the community with a filter made of plant material, if further research is done. 

Place, publisher, year, edition, pages
2014.
Keyword [en]
Biomass, groundwater, lead (Pb), cadmium (Cd), Cation Exchange Capacity (CEC)
Keyword [sv]
Biomassa, grundvatten, bly (Pb), kadmium (Cd), katjonbyteskapacitet (CEC)
National Category
Energy Systems Environmental Management
Identifiers
URN: urn:nbn:se:kth:diva-147900OAI: oai:DiVA.org:kth-147900DiVA: diva2:733037
Available from: 2014-07-07 Created: 2014-07-07 Last updated: 2014-07-07Bibliographically approved

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CiteExportLink to record
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