Essays about: "Höga tryck"

Showing result 21 - 25 of 80 essays containing the words Höga tryck.

1. 21. Driving forces and expectations for sustainability within the corporate sector

   University essay from Lunds universitet/Miljövetenskaplig utbildning

   Author : Jasmine Axelsson; Amelie Björkman; [2021]
   Keywords : Carbon offset; business strategy; driving forces; developmental barriers; future analysis; sustainability strategy; voluntary carbon market.; Earth and Environmental Sciences;

   Abstract : Climate change is a long-term challenge that requires urgent actions. An increased amount of greenhouse gases in the atmosphere, causing changes in the climate system such as melting glaciers and extreme weather conditions, are correlated to economic growth. READ MORE

3. 22. Green hydrogen production at Igelsta CHP plant : A techno-economic assessment conducted at Söderenergi AB

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : AXEL ÖHMAN; [2021]
   Keywords : Green hydrogen; Power-to-gas; renewable energy; mixed integer linear programming; Power-to-power; Combined heat and power; district heat; Grön vätgas; Power-to-gas; förnybar energy; mixed integer linear programming; Power-to-power; kraftvärme; fjärrvärme;

   Abstract : The energy transition taking place in various parts of the world will have many effects on the current energy systems as an increasing amount of intermittent power supply gets installed every year. In Sweden, just as many other countries, this will cause both challenges and opportunities for today´s energy producers. READ MORE

4. 23. Geobiological Impacts of PalaeozoicLand Plant Evolution

   University essay from Uppsala universitet/Paleobiologi

   Author : Camille Valette; [2021]
   Keywords : land plants; geobiological impacts; extinction; Palaeozoic; paleobotany; landväxter; geobiologiska effekter; utrotning; Paleozoikum; paleobotanik;

   Abstract : For two centuries, questions about the origin of terrestrial plants and their impacts on the Earth systemhave occupied palaeobotanists. This essay attempts to synthesise the state of research to date, and outlineareas where major questions remain. READ MORE

5. 24. Performance comparison between reciprocating and scroll compressor heat pumps with R600a refrigerant

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : CHRISTOFER KRONSTRÖM; [2021]
   Keywords : Heat pump; R600a; isobutane; scroll compressor; reciprocating compressor; piston compressor; Värmepump; R600a; isobutan; scrollkompressor; kolvkompressor;

   Abstract : A performance comparison of heat pumps using a scroll (Sanden) and a reciprocating (Bitzer) compressor was conducted experimentally. The refrigerant used was R600a (isobutane). READ MORE

6. 25. Conversion of CO2 to higher alcohols

   University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

   Author : Joshua Higby; [2020]
   Keywords : CO2 hydrogenation; higher alcohols; modelling; process intensification;

   Abstract : I rapporten framgår det en termodynamisk analys för reverse water gas shift med att sammanmata etanol för att undvika det långsammaste steget i reaktionen för att producera högre alkoholer. Ifrån ett termodynamiskt perspektiv, verkar det möjligt att utgå ifrån reverse water gas shift för att producera högre alkoholer vid 100 bar med en temperatur på 300C . READ MORE