Essays about: "sewage sludge"

Showing result 6 - 10 of 109 essays containing the words sewage sludge.

1. 6. Production of polymers from a papermills wastewater using HTC substrate. : Investigating the viability of using wastewater sludge from Skoghalls’ papermill in combination with filtrate from HTC of sewage sludge to produce biological plastic producing polymers.

   University essay from Karlstads universitet/Avdelningen för energi-, miljö- och byggteknik

   Author : Regan George; [2023]
   Keywords : PHA; HTC-substrate; Polymer;

   Abstract : Since their conception, plastics have been a dominant product due to the versatility of use, and readily available raw materials. However, the production and consumption of synthetic plastics have continued to increase over the years, leading to a significant rise in plastic waste and its associated environmental impacts, such as the detrimental effects plastic waste has on ecosystems, including the presence of toxic microplastics and risks to marine life, are becoming the focus of criticism. READ MORE

3. 7. Biogas Potential in the North of Sweden : Inventory and Techno-Economic Assessment of Substrates for an Increased Biogas Production in Norrbotten

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Alma Fahlén Hammar; [2023]
   Keywords : Biogas; anaerobic digestion; AD; Norrland; bioenergy; fossil-free; chemical engineering; Chemistry; Technology and Engineering;

   Abstract : Great investments are planned in the north of Sweden the coming years, not the least in the county of Norrbotten where the projects collectively are referred to as the green transition due to the focus on fossil-free techniques. But to be able to secure a sustainable energy supply and reach the goal set by the member states of the European Union of a carbon dioxide neutral union in 2050 the production of alternative energy sources needs to intensify. READ MORE

4. 8. Future sludge management from a sustainability perspective

   University essay from KTH/Proteinvetenskap

   Author : Ebba Simensen; [2023]
   Keywords : Sludge management; Waterworks sludge; Drinking water treatment; LCA; MCDA; Slamhantering; Vattenverksslam; Dirksvattenrening; LCA; MKA;

   Abstract : Syftet med projektet är att undersöka effekten av att leda över vattenverksslam från Norrvattens vattenverk, Görvälnverket, till Käppalaverkets reningsverk som ett steg i en mer hållbar slamhantering. Detta slamhanterings alternativ jämförs med en framtida lokal slamhantering vid Görvälnverket. READ MORE

5. 9. High-loaded thermophilic anaerobic digestion of mixed sewage sludge : A pilot study

   University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

   Author : Santiago Elejalde Bolaños; [2022]
   Keywords : thermophilic anaerobic digestion; volatile fatty acids; mixed sludge; organic loading rate; alkalinity; wastewater treatment plant; termofil rötning; flyktiga fettsyror; blandslam; organisk belastning; alkalinitet; avloppsreningsverk;

   Abstract : Municipal wastewater treatment plants (WWTP) are important infrastructural components in a society and also important for sustainability. In a WWTP the most common treatment configuration is mechanical, biological, and chemical treatment of the wastewater. READ MORE

6. 10. Potential for Enhanced Biological Phosphorus Removal in an activated sludge system for greywater

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Mehrzad Ghassemi; [2022]
   Keywords : Greywater; EBPR; Phosphorus; Biological treatment; Water and environmental engineering; Technology and Engineering;

   Abstract : As the world's population grows, concerns about water scarcity and rising pollution such as phosphorus and nitrogen have increased significantly. Greywater has been considered by researchers as an ideal alternative to fresh water for decades, and several projects have been implemented to treat and recycle it for various reuse purposes. READ MORE