Catalytic and mechanistic study of lean NO2 reduction by ...

saturated hydrocarbons, propane and isobutane, has been investigated over acidic zeolite HZSM5. The activity for NO2 reduction and the selectivity for N2 formation correlate well with the intracrystalline acidity (Bronsted acid sites) of the zeolite. Isobutane is a more efficient reducing agent than propane due to its tertiary hydrogen being more readily activated than the secondary hydrogen ...


Emission Factors for Greenhouse Gas Inventories

Last Modified: 26 March 2020 Red text indicates an update from the 2018 version of this document. Gas 100Year GWP CH4 25 N2O 298 Table 1 Stationary Combustion


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Langhammer » Chalmers press release about our NO2 sensor ...

Invited talk at the SPIE Optics+Photonics Meeting in San Diego. 20140511. New paper in Chemical Physics Letters


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(PDF) Mechanistic study of the influence of surface ...

This study focuses on the mechanism of lean NOx reduction by propane, over acidic zeolites (HZSM5), and the influence of surface acidity. In situ FTIR measurements of ammonia adsorption indicate a higher number of Brønsted acid sites for a sample


Syllabus for TDA498 / DIT104 Interaction design methodology

Link to the eBook at Chalmers Library: https: ... Individual Task No2. Week 4 Lesson 1 / 20210920. Week 5 Lesson 2 / 20210929. Week 4 / 20210922 and Week 5 / 20210927. Individual Task No3. Week 2 Lesson 1 / 20210906. Week 7 Lesson 2 / 20211013. From Week 2 till Week 7. Group work . Week 2 Lesson 1 / 20210906. Week 8 lesson 2 / 20211020. From Week 2 till Week 7 Focus is on ...


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CPM LCA Database Production of nitric acid (Landskrona)

Example: M(N): 14 g/mole M(NO2): 46 g/mole Þ (35 t NOxN/yr) / (94 000 t HNO3/yr) * (46 g/mole) / (14 g/mole) = kg NOx/t HNO3 Total amounts of district heat and steam produced at the nitric acid plant have been divided by total amounts of nitric acid produced during 1997. Example: (62 500 MWh steam/yr) / (94 000 t HNO3/yr) * ( GJ/MWh) = GJ/t HNO3 The total net consumption of ...


New Methodology for Transient Engine Rig ... Chalmers

The method also makes it possible to change the fraction of NO2 independently of the NO fraction. Method To achieve more controlled and faster changes in the inlet to the catalyst an extra DOC (DOC1) with the possibility for bypass flow and an SCR with urea injection are mounted before the catalyst. The fraction of exhaust gas flow through DOC1 allows variation in the conversion of HC and CO ...


Platinum oxidation and sulphur deactivation in NOx storage ...

The reaction studied was NO(g) + 1/2 O2(g) <> NO2 (g). During NO2 exposure of the catalyst the NO2 dissociation rate decreased during the reaction. This activity decrease with time was also studied with XPS and it was found to be due to platinum oxide formation. The influence of sulphur exposure conditions on the performance of the NOx storage catalysts was studied by exposing the samples ...


Quality Assurance Project Plan Project 14007 Analysis of ...

Emission SOF Chalmers Sep 2013 HSC NO2 Emission Acid Rain Data Base TCEQ Sep 2013 HSC SO2 Emission Acid Rain Data Base TCEQ Sep 2013 HSC VOCs (alkane, alkene) Emission Inventory TCEQ Sep 2013 HSC NO2 column B200/Pandora NASA Sep 2013 HSC SO2 column B200/Pandora NASA Sep 2013 HSC HCHO column B200/Pandora NASA Sep 2013 HSC VOCs column B200/Pandora NASA …