Essays about: "reactors"

Showing result 11 - 15 of 236 essays containing the word reactors.

  1. 11. Assessment of How Design and Operational Parameters Affect Plutonium Production for Pressurized Heavy Water Reactors : A Study of the Ågesta, NRX and CANDU Reactors

    University essay from Uppsala universitet/Institutionen för materialvetenskap

    Author : Isak Hedberg; Stina Fredriksson; Axel Hallander; [2023]
    Keywords : ;

    Abstract : Nuclear weapons are an ever-present danger which threatens our very existence, which is whymany call for total nuclear disarmament. To do this, we need to know how many nuclear bombsthere are in the world. READ MORE

  3. 12. CO2 Sequestration by Bio-Accelerated Silicate Weathering

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Tora Uebel; Elisabeth Odelius; [2023]
    Keywords : enhanced silicate weathering; microorganisms; negative emission technology; CO2 emissions;

    Abstract : Human-caused emissions of CO2 and other greenhouse gases are an established reason for the climate changes that affect planet Earth. Negative emission technologies (NETs), for example, bio-accelerated silicate weathering bioreactors, seek to capture and store carbon from the atmosphere. READ MORE

  4. 13. Experimental Study of Flow Fields in Moving Bed Biofilm Reactors

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Shea Nee Chew; [2023]
    Keywords : Moving bed biofilm reactors; Biofilm carriers; Mechanical mixing; Mixer configurations; Carrier mixing; Biofilmsreaktorer med rörlig bädd; Biofilmsbärare; Mekanisk blandning; Blandarkonfigurationer; Bärarblandning;

    Abstract : With the rise in global energy prices, as well as energy consumption being the largest source of greenhouse gas emissions, biofilm-based systems utilized for wastewater treatment, such as moving bed biofilm reactors (MBBRs), have grown in popularity for their lower energy consumption compared to conventional activated sludge processes. However, this technology requires large amounts of energy to constantly distribute and suspend its biofilm carrier within the reactor by either aerators or mechanical mixers. READ MORE

  5. 14. The European pressurized-water reactor between narratives and policies: exploring the French nuclear reactor design with a feasibility framework to assess wider implications for France and the EU

    University essay from Lunds universitet/LUCSUS

    Author : Simone Della Coletta; [2023]
    Keywords : EPR; nuclear; feasibility; narrative; policy; sustainability science; Social Sciences;

    Abstract : With fossil fuel-dependencies affecting energy generation, and renewables being contextually limited by intermittency and dispatchability issues, this work explores European Pressurized-water Reactors (EPRs) as a nuclear-based climate mitigation measure in France and in the EU. Through its conceptual framework, this paper evaluates the technical potential of EPRs through the gate-keeping effect of initiative feasibility and narrative analysis. READ MORE

  6. 15. Ogräsfrönas överlevnad i biogasanläggningar : en litteraturgenomgång och ansats till metaanalys

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Elin Strömberg; [2023]
    Keywords : anaerobisk nerbrytning; biogas; biogasreaktor; biogödsel; dödlighet; frö; ogräs; retentionstid; rötning; rötrest; rötslam; substrat; temperatur; överlevnad;

    Abstract : Sveriges energibehov 2020 var 508 TWh och av det är kärnkraft, biobränsle, olja och vattenkraft de viktigaste energislagen. På grund av att biogasproduktion har ett netto noll utsläpp har regeringen har valt att investera 40% av klimatklivets budget till dessa projekt. READ MORE