Sökning: "pyrolys"

Visar resultat 16 - 20 av 79 uppsatser innehållade ordet pyrolys.

1. 16. Development of a System to Quantify Coking in Rocket Nozzle Cooling Channels

   Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

   Författare :Adam Parks; [2022]
   Nyckelord :methane; pyrolysis; reusable; carbon deposition; ozone cleaning; rocket engines; cooling channels; borescope; metan; pyrolys; återanvändbar; koldeposition; ozon-rening; raketmotorer; kylkanaler; boreskop;

   Sammanfattning : Liquid methane is becoming an increasingly attractive rocket propellant due to its high performance characteristics and potential to support in-situ resource utilisation. Methane, however, when heated, can thermally decompose in a process known as pyrolysis. LÄS MER

3. 17. Low-carbon hydrogen production from waste plastics via pyrolysis and in-line catalytic cracking process

   Master-uppsats, KTH/Kraft- och värmeteknologi

   Författare :Yanghao Jin; [2022]
   Nyckelord :Pyrolysis; catalytic cracking; plastics recycling; biochar catalyst; hydrogen production; Pyrolys; katalytisk krackning; återvinning av plast; biokol; produktion av väte;

   Sammanfattning : This study develops a novel pyrolysis process combined with in-line catalytic reforming toproduce high purity hydrogen and carbon products from waste plastics. The input resource is waste plastic material in the form of discarded Covid masks. LÄS MER

4. 18. System Architecture for Lunar Oxygen Production from Regolith Using a Model-Based System Engineering Approach

   Master-uppsats, KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

   Författare :Kim Lamboley; [2022]
   Nyckelord :ISRU; MBSE; Exploration; Moon; Space; Resources; Regolith; Pyrolysis; Oxygen; Production; ISRU; MBSE; Utforskning; Månen; Rymd; Resurser; Regolit; Pyrolys; Syre; Produktion;

   Sammanfattning : Technologies for production and utilisation of space resources are still in the early phases of development. Oxygen in particular is an interesting resource for both life-support and as propellant, and can be widely found on the lunar surface embedded in metallic oxides in the lunar soil. LÄS MER

5. 19. Techno-economic Analysis of Biomass Conversion to Hard Carbon Materials

   Master-uppsats, KTH/Materialvetenskap

   Författare :Yuxin Liu; [2022]
   Nyckelord :Biomass; hard carbon production; process simulation; Aspen plus; techno-economic analysis; Biomassa; produktion av hårt kol; processimulering; Aspen plus; teknoekonomisk analys; Biomassa; produktion av hårt kol; processimulering; Aspen plus; teknoekonomisk analys;

   Sammanfattning : Hard carbon is an important material for future fossil-free transport systems, as it is a popular choice for the production of anodes for sodium-ion batteries. Biomass is a popular carbonaceous raw material for making hard carbon. LÄS MER

7. 20. Assessment of biochar potential as a land-based emission mitigation measure in Colombia

   Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

   Författare :Eileen Jimena Torres Morales; [2022]
   Nyckelord :agriculture; biochar; climate change mitigation; carbon sink; Colombia; land-based mitigation technologies LMT ; nature-based solutions NBS ; PESTEL Political; Economic; Social; Technological; Environmental Legal ; pyrolysis; residual biomass; soil adaptation; techno-economic analysis.; jordbruk; biokol; begränsningar av klimatförändringar; kolsänka; Colombia; land-baserad begränsningsteknik; Naturbaserade lösningar NBS ; PESTEL Political; Economic; Social; Technological; Environmental Legal ; pyrolys; restbiomassa; jordförbättring; Teknisk-ekonomisk analys;

   Sammanfattning : There is an urgent need to mitigate carbon emissions to the atmosphere to reduce the negative effects of climate change. Countries have pledged national strategies to reach their climate change mitigation goals in their Nationally Determined Contributions (NDC). In the case of Colombia, the country envisions becoming carbon neutral by 2050. LÄS MER