This paper evaluates the potential impacts of introducing low-carbon intensity hydrogen technologies in two oil refineries with different complexity levels, emphasizing the role of hydrogen production in reducing CO2 emissions. The novelty of this work lies in three key aspects: Comprehensive system …

Coltan is a rare mineral which is mined, both legally and illegally, at Congolese dig sites at the expense of the wellbeing of coltan miners. This dissertation provides an understanding on the living and working conditions of the Congolese coltan miners and the relation of coltan to armed conflict in …