Essays about: "sustainable and unsustainable energy"

Showing result 1 - 5 of 60 essays containing the words sustainable and unsustainable energy.

1. 1. Modelling the chemical recycling of plastic waste via pyrolysis and analysing integration with existing refinery infrastructure

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Simon Dahl; [2023]
   Keywords : Pyrolysis; Recycling; Integration; Modelling; Simulation; Techno-economic; Plastic; Chemical engineering; Technology and Engineering;

   Abstract : Current plastic management is unsustainable as large amounts of plastic end up landfilled or in the ocean, necessitating an expansion of waste management infrastructure. Pyrolysis is a viable chemical recycling option, and in this report a pyrolysis model is constructed in Aspen Plus. READ MORE

3. 2. An Evaluation Study of Leak Testing Technologies for Watertight Plate Heat Exchangers : Fast and sustainable leak testing technology for high energy efficiency products

   University essay from Blekinge Tekniska Högskola/Institutionen för matematik och naturvetenskap

   Author : Fritjof Nilsson; Yanjun Peng; [2023]
   Keywords : Leak rate; Optimization; Pressure Decay; Vacuum Technology; Volume; Läckhastighet; Optimering; Tryckfall; Vakuum Teknologi; Volym;

   Abstract : Background: One part of manufacturing a Plate Heat Exchanger (PHE) is to leak test them before delivery. Today, helium is used extensively in leak testing. How-ever, it is unsustainable to use helium in leak testing, because of its non-renewability and therefore becoming more and more expensive. Also, this technology is relatively complex. READ MORE

4. 3. The Road Towards Liveable Streets - A transformation along Ystadvägen in Malmö

   University essay from Lunds universitet/Institutionen för arkitektur och byggd miljö

   Author : My Harrfors; [2023]
   Keywords : Sustainable transportation; urban transformation; mobility; street renewal; Arts and Architecture;

   Abstract : In the end of March this year (2023) UN’s Intergovernmental Panel on Climate Change (IPCC) declared humans are to blame for the 1,1-degree global warming of our planet. Furthermore, that the Paris Agreement will fail. READ MORE

5. 4. RE+: A permaculture approach to regenerate Gastelyckan through urban design and urban farming

   University essay from Lunds universitet/Institutionen för arkitektur och byggd miljö

   Author : Matheus Simon dos Santos; [2023]
   Keywords : Permaculture; Sustainable Urban Design; Urban farming; Regenerative Urban Design; Regenerative agriculture; Sustainability; Sustainable Lifestyle; Arts and Architecture;

   Abstract : The global food system is facing significant challenges, for example, Sweden is a big partner of the European Union in terms of imported and exported food, like many countries in the world, Sweden depends on other countries for food production. In addition to it, the agriculture industry is responsible for 26% of greenhouse gas emissions in the world, due to the transportation of food, use of land, livestock and farming. READ MORE

6. 5. Water-Energy-Food-Ecosystem Nexus in the Inkomati-Usuthu Water Management Area, South Africa: A Systematic Review.

   University essay from Uppsala universitet/Institutionen för geovetenskaper

   Author : Aaron Bryce Chawiya; [2023]
   Keywords : Cross-sector collaboration; Policy; Sustainable Development; Resource Management; Transboundary Resources; WEFE Nexus;

   Abstract : The growing importance to finding workable solutions to the problem of unsustainable and inefficient resource use cannot be overstated.  In the world facing one of its critical sustainability periods, efficient resource utilization to ensure sustainable development is a problem policymakers should grapple with at a loc, regional and local levels. READ MORE