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Economic Analysis of Hydrogen Production from Wastewater and Wood forMunicipal Bus System
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Flight Dynamics.
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The levelized cost of hydrogen for municipal fuel cell buses has been determined using the DOE H2A model for steam methane reforming (SMR), molten carbonate fuel cell reforming (MCFC), and wood gasification using wastewater biogas and willow wood chips as energy feedstocks. 300 kg H2/day was chosen as the design capacity.

Greenhouse gas emissions were calculated for each for the three processes and compared to diesel bus emissions in order to assess environmental impact. The levelized cost for SMR, MCFC, and gasification is $5.12, $8.59, and $10.62, respectively. SMR provided the lowest sensitivity to feedstock price, and lowest levelized cost at various scales, with competitive cost to diesel on a cost/km basis. All three technologies provide a reduction in total greenhouse gases compared to diesel bus emissions, with MCFC providing the largest reduction. These results provide preliminary evidence that small scale distributed hydrogen production for public transportation can be relatively cost-effective and have minimal environmental impact.

Place, publisher, year, edition, pages
2013. , 13 p.
Trita-AVE, ISSN 1651-7660 ; 2013:56
Keyword [en]
Hydrogen, Biomass, Biogas, Gasification, Methane Reforming, H2A
National Category
Aerospace Engineering
URN: urn:nbn:se:kth:diva-129711OAI: diva2:653258
Subject / course
Aeronautical Engineering
Available from: 2013-10-03 Created: 2013-10-03 Last updated: 2013-10-03Bibliographically approved

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