Nomenclature

Latin Symbols

a effective interfacial area per unit volume of packing m2/m3 A cross-sectional area m2 Am membrane surface area m2 cp specific heat capacity at constant pressure kJ/(kg?K) cv specific heat capacity at constant volume kJ/(kg K) dg abundance of gas component g kg F Faraday constant - h specific enthalpy on mass basis kJ/kg specific enthalpy on molar basis kJ/kmol specific enthalpy of formation on molar basis kJ/kmol H enthalpy kJ H0 enthalpy of formation kJ He Henry's law constant Pa/kmol fraction gas in liquid He´ Henry's law constant (Pa?m3)/kmol gas in liquid HHV higher heating value kJ/kg HR heat rate kJ/kWh Ji flux through a membrane m/s LHV lower heating value kJ/kg m mass kg or t mass flow rate kg/s MW molecular weight kg/kmol n polytropic coefficient - ni number of moles for specie i mol Nu Nusselt number p absolute pressure Pa, bar pf partial pressure of the permeated gas at the feed side of a membrane Pa, bar pi partial pressure of component i Pa, bar pp partial pressure of the permeated gas at the permeate side of a membrane Pa, bar P membrane permeability m3(STP)/(m?h?bar) Pr Prandtl number qi gas adsorbed per unit mass of adsorbent mol?gas/kg adsorbent qp,i volumetric flow rate through membrane m3(STP)/h Q heat kJ heat transfer rate kW r radiative forcing W/(kg?m2) R specific gas constant kJ/(kg?K) Ru universal gas constant kJ/(kmol?K) Re Reynolds number s specific entropy on mass basis kJ/(kg?K) S entropy kJ/K Sads adsorption selectivity - t time s or h tm membrane thickness m T temperature °C or K u absolute velocity m/s U internal energy kJ v specific volume on mass basis m3/kg V volume m3 volumetric flow rate m3/s w specific work on mass basis kJ/kg specific work on molar basis kJ/kmol W work kJ power kW x vapour quality kgvapour/kgvapour+liquid xi mole fraction in liquid phase for component i - yi mole fraction in gas phase for component i - Z compressibility factor -

Greek Symbols

a heat-to-power ratio kWh/kWe ai,j membrane selectivity of components i and j for gas mixture - heat of reaction kJ ?cap,e CO2 capture efficiency -, % ? efficiency -, % ?cap CO2 capture ratio -, % ?is isentropic efficiency -, % ?p polytropic efficiency -, % ? ratio of specific heats, cp/cv - ? excess air ratio - ? friction factor - ? density kg/m3 s ionic conductivity S/m sinj CO2 formation by combustion per tonne of CO2 injected t CO2 by combustion/t CO2 injected sstore CO2 formation by combustion per tonne of CO2 stored t CO2 by combustion/t CO2 stored ? equivalence ratio (1/?) - f ratio of additional oil or gas to CO2 injected t fuel/t CO2 ? CO2 generated per lower heating value of fuel kg CO2/MJ ? CO2 formation by combustion per tonne of CO2 t CO2/t fuel ? ratio of recycled CO2 to stored CO2 t CO2 recycled/t CO2 stored

Abbreviations

ACGIH American Conference of Governmental Industrial Hygienists AEPD 2-amino-2-ethyl-1,3-propandiol AMP 2-amino-2-methyle-1-propanol AMPD 2-amino-2-methyl-1,3-propandiol Ar Argon ASHRAE American Society of Heating, Refrigeration and Air Conditioning Engineers ASU air separation unit ATR autothermal reforming AZEP advanced zero emission power plant BGL British Gas Lurgi BoA Braunkohlekraftwerk mit optimierter Anlagentechnik (lignite-fired or Brown coal-fired power station with optimised plant engineering) BOD biological oxygen demand CA carbonic anhydrase CAR ceramic autothermal recovery CC combined cycle CCS carbon dioxide (CO2) capture and storage CF correction factor (considers real gas effects) CFB circulating fluidised bed CFBC circulating fluidised bed combustion CH4 methane CHP combined heat and power CLC chemical looping combustion CLM contained liquid membrane CO carbon monoxide CO2 carbon dioxide COS carbonyl...