Essays about: "sewage treatment plants"

Showing result 16 - 20 of 65 essays containing the words sewage treatment plants.

1. 16. Feasibility Study for Production of Biogas from Wastewater and Sewage Sludge : Development of a Sustainability Assessment Framework and its Application

   University essay from KTH/Energiteknik

   Author : Akash Som Gupta; [2020]
   Keywords : resource recovery; wastewater treatment; biogas; anaerobic digestion; energy recovery; sustainability assessment; SDG;

   Abstract : Clean water and renewable energy are essential requirements to build resilience towards the adverse effects of climate change and global warming. Advanced wastewater treatment options may provide a unique opportunity to recover various useful resources such as energy (biogas), fertilizers, minerals, and metals embedded in the wastewater stream. READ MORE

3. 17. Occurrence and fate of 7 APIs in two sewage treatment plants - and their reactions to tertiary treatment

   University essay from Umeå universitet/Kemiska institutionen

   Author : Sara Boström; [2020]
   Keywords : ;

   Abstract : In recent years concerns have been raised about micropollutants, such as pharmaceutical ingredients, being released into the aquatic environment. As a consequence, signs of adverse effects on biota have been identified. Also, potable drinking water is a precious and potentially finite resource that need be taken care of. READ MORE

4. 18. Estimating Risks of Pharmaceutical NSAID Mixtures in Surface Waters through Risk Cups : – Implications for Sustainability

   University essay from Uppsala universitet/Institutionen för geovetenskaper

   Author : Per Mandahl; [2020]
   Keywords : Sustainable Development; Ecotoxicology; Risk Cup; Pharmaceuticals; Surface Water; MEC PNEC;

   Abstract : Background: Use of pharmaceuticals can lead to unchanged or metabolite residues in surface water that may result in negative environmental effects. Sweden has adopted the Generational goal defining direction and changes needed to become a sustainable nation, these align with the UN Sustainable Development Goals (SDGs). READ MORE

5. 19. Yield of Bromate from Ozonated Wastewater and the Potential for Biological Reduction of Bromate in Wastewater in Sweden

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Lauren Dell; [2020]
   Keywords : biological reduction; bromate; ozonation; disinfection by-products; bromide; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Technology and Engineering;

   Abstract : The impact that anthropogenic micropollutants have on the environment is increasingly gaining attention. As a result of this, Sweden, among other countries, is looking towards implementing advanced treatment for micropollutant and pharmaceutical product removal from wastewater prior to discharge into the environment. READ MORE

6. 20. Methods for Evaluating Dewatering Properties of Sewage Sludge

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Nadia Abdalla; [2019]
   Keywords : sludge dewatering; sewage sludge; laboratory scale sludge treatment; dewatering sludge; dewatering sewage sludge; CST; capillary suction time test; centrifuge; lab-centrifuge; rheology; polymers conditioning; sludge conditioning; centrifuge on lab scale; evaluation of lab experiments; CST evaluation; mechanical de-watering evaluation; sludge dewatering at lab; lab scale dewatering process; sludge dewatering methods at lab; Chemical engineering; Lab centrifuge; Capillary Suction Time CST ; Mechanical sludge dewatering evaluation; Polymers conditioning of sludge; sewage sludge dewatering; methods for sludge dewatering at lab; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Chemistry;

   Abstract : After the sewage wastewater is collected from different households and directed to the treatment plants, it goes through several processes, which are physical, chemical and biological. The different processes remove the contaminant, and produce a semi-solid material named sludge. Sludge has a huge amount of liquid. READ MORE