Natural Gas

王久涛
Mind Map by 王久涛, updated more than 1 year ago
王久涛
Created by 王久涛 almost 5 years ago
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Natural Gas
1 components
1.1 C1,C2,C3,C4, H2S, N2,O2, rare gas
2 terminology
2.1 wet gas(C>1)
2.2 dry gas (C1)
2.3 Unassociated gas(non-oil wells)
2.4 Associated gas (oil wells)
2.5 LNG
3 Unwanted components
3.1 H2S, CO2, water, N2, O2, He, Radon, Mercaptans, dust
4 Source
4.1 Oil and Gas wells
5 Use of natural gas
5.1 Domestic
5.2 commercial
5.3 electric generation
5.4 industrial
6 properties of burning gas
6.1 Calorific value
6.2 specific gravity
6.3 burning velocity
6.4 Wobbe number
6.4.1 wobbe number=(Calorific Value)/√(Specific Garvity)
7 critical industrial reactions
7.1 steam reforming(SR)
7.1.1 CH4 + H2O CO + 3H2 – syn gas
7.2 water gas shift(WGS)
7.2.1 CO + H2O → CO2 + H2
7.3 fischer-tropsch chemistry(GTL)
7.3.1 2nH2 + CO =-(CH2)n- + H2O
7.4 Ammonia
7.4.1 N2 + 3H = 2NH3
7.5 Methanol
7.5.1 CO + 2H2 = CH3OH CO2 + 3H2 =CH3OH+H2O
8 catalysts
8.1 homogeneous
8.2 heterogeneous
8.3 discriptions
8.3.1 conversion
8.3.2 selectivity
8.3.3 yield
8.3.4 turnover number
8.3.4.1 TOF = (no. of moles of given product) ( no. active sites x time )
8.4 decay
8.4.1 sintering
8.4.2 attrition
8.4.3 poisoning
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