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Showing result 1 - 5 of 6 essays matching the above criteria.
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1. Bio-enhanced silicate weathering : Coupled to sequestration of CO2
University essay from Uppsala universitet/LimnologiAbstract : Weathering of silicate minerals has long been a known source of natural CO2 sequestration, that could be increased in the presence of microorganisms. Bio-enhanced weathering of silicate minerals could increase the sequestration of CO2 from the atmosphere. READ MORE
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2. Arsenite removal from contaminated water by different sorbent materials
University essay from KTH/Hållbar utveckling, miljövetenskap och teknikAbstract : Arsenic (As) contamination is a worldwide problem, and millions of people are suffering from it. There are two major inorganic forms of As in waters: arsenate(V) and arsenite(III), and adsorption to a sorbent material may be an efficient method to handle them. READ MORE
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3. The Effect of Calcium on Delignification in Kraft Cooking of Eucalyptus
University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)Abstract : Delignifiering under sulfat koket innefattar både kemisk nedbrytning och fysisk upplösning av lignin, för vilket närvaron av oorganiska salter, oorganiska anjoner samt oorganiska katjoner (sammantaget benämnda som "Non-process elements", NPEs på engelska) kan ha inverkan på delignifieringens hastighet. Tidigare studier har funnit att ved med högt kalciuminnehåll är svårdelignifierad och att kalcium har potentiell inverkan på ligninlöslighet och kappatal. READ MORE
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4. Risk estimation of multi-polluted soils in contact with lacustrine systems
University essay from Örebro universitet/Institutionen för naturvetenskap och teknikAbstract : The area of "Norra Hamnstaden" in Lidköping has been used for several different industires for more than 100 years and porcelain has been produced there since 1912. The sub-area studied in this thesis has been used as a landfill for industrial waste including waste from the local porcelain factory, Rörstrand. READ MORE
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5. Groundwater Chemistry in the Amazon Rainforest
University essay from Linköpings universitet/Tema MiljöförändringAbstract : Groundwater chemistry is highly variable and dependent on environmental conditions, and it is not entirely understood how all these factors contribute to groundwater chemistry. This study aims to examine some of the factors that contribute to groundwater heterogeneity in the Amazon Rainforest. READ MORE