Essays about: "reningssteg"

Showing result 1 - 5 of 18 essays containing the word reningssteg.

1. 1. Selected PFAS in the water treatment at the waste-to-energy plant in Umeå : Investigating concentration and composition of selected PFAS in different water treatment steps

   University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

   Author : Amanda Carlund; [2023]
   Keywords : ;

   Abstract : The present study investigated the changes in concentration and composition of five selected PFAS substances in the water treatment at the waste-to-energy plant in Umeå. The five PFAS were PFHxA, PFHpA, PFOA, PFHxS and PFOS. As PFAS exists in a variety of consumer products, they will to some extent end up in waste incineration. READ MORE

3. 2. Wastewater Characterisation for Design and Modelling of Primary Settlers at Municipal Wastewater Treatment Plants

   University essay from Lunds universitet/Industriell elektroteknik och automation

   Author : Louise Westin; [2023]
   Keywords : Primary Settling Tank; Wastewater Treatment; Settleometer; Particle Settling Velocity Distribution; Modelling.; Technology and Engineering;

   Abstract : The primary settling tank (PST) is often one of the first treatment steps at a wastewater treatment plant (WWTP) and is the first process in the plant to remove significant amounts of suspended solids. Its role in wastewater treatment however, has oftentimes been neglected and little effort has been made to optimize and model the process. READ MORE

4. 3. Effects of recirculating water treatment sludge

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Sofia Mile; [2023]
   Keywords : Chemical Engineering; Water and Environmental Engineering; Water Treatment; Coagulation Flocculation; Sludge Recirculation; Technology and Engineering;

   Abstract : Drinking water is crucial in our everyday life. As with many other processes, it is important to produce water of drinking quality in a sustainable manner. This can occur by e.g. READ MORE

5. 4. Finding ways of optimizing coagulant dosage, for a more sustainable wastewater treatment process

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Hanna Sjöman; [2023]
   Keywords : Wastewater treatment process; coagulant dosage; COD; machine learning; water and environmental engineering; Technology and Engineering;

   Abstract : The wastewater treatment process at Oatly consists of several treatment steps of which, two are chemical treatment steps involving coagulation followed by flotation to remove phosphorous and COD. The coagulant dosage is mainly determined based on the operator’s experience and supported using results from jar tests. READ MORE

6. 5. Dagvatten blir badvatten : ett gestaltningsförslag på en baddamm i Gränbyparken med naturlig rening

   University essay from SLU/Dept. of Urban and Rural Development

   Author : Ludvig Pärlefors Prado; [2023]
   Keywords : Baddamm; dagvattenrening; naturlig pool; hållbar dagvattenhantering;

   Abstract : Att rena och fördröja dagvatten sker i allt högre grad lokalt. Då dagvattenanläggningarna kommer närmare inpå den bebyggda miljön och i kontakt med stadens invånare, får landskapsarkitekten en viktig roll, genom att utforma öppna dagvattenlösningar. READ MORE