null
US
Iniciar Sesión
Regístrate Gratis
Registro
Hemos detectado que no tienes habilitado Javascript en tu navegador. La naturaleza dinámica de nuestro sitio requiere que Javascript esté habilitado para un funcionamiento adecuado. Por favor lee nuestros
términos y condiciones
para más información.
Siguiente
Copiar y Editar
¡Debes iniciar sesión para completar esta acción!
Regístrate gratis
2578794
NATURAL GAS_
Descripción
natural gas mind map
Sin etiquetas
id no: 51448593
Mapa Mental por
sammyspackle
, actualizado hace más de 1 año
Más
Menos
Creado por
sammyspackle
hace más de 9 años
10
0
0
Resumen del Recurso
NATURAL GAS_
COMBUSTION
combustion quality property
burning velocity
calorific value
Wobbe index
specific gravity
types
incomplete
products
CO
water
complete
product
CO2
water
INDUSTRIAL PROCESSING
IMPORTANT CATALYTIC REACTION
CATALYST
TYPES
HOMOGENOUS CATALYST
property
same phase as reactants
examples
gases or liquids
HETEROGENOUS CATALYST
properties
different phase from reactants
examples
solid e.g transition metal
components
support
property
inert
high surface area
strength
stability
attrition resistant
examples
matrix
shape
solvent system
example
gas solid, gas liqiud
promoters
property
allow easier electron exchange
activity enhancement
selective improvement
examples
electropositive elements
increase catalytic liftetime
active species
property
large active sites
affects catalyst activity
the main catlyst e.g metal , acid or base material
poisons
property
reducing activity
examples
electronegative elements
catalyst descriptors
%conversion
%selectivity
%yield
turnover no
catalyst lifetime
lining out
start- up
activity decay
factors
sintering
attrition
poisoning
shut down
production of syngas
uses of syngas
syngas used as reactant
methanol synthesis
catalyst
solid catalyst, Cu/znO/AL2O3
selectivity requied
low %conversion
low %yield
recycling needed
undesired reaction
methanation
product
methanol
uses
fomaldehyde
fuel cells
olefins production
esters
acetic acid
produced by usind a homogenous catalyst
reactant
methanol
co
reaction energetics
180C
35atm
advant.
easy storage
less expensive
disad
toxic
miscible with water
tendency to cause blindness
methanol synthesis operation
reaction
seperation
distillation
basic reaction
reactant
CO2, H2
reaction energetics
endothermic,reversible
low temp
high pressure
CO, 2H2
reaction energetics
exothermic,, reversible
CO2, 3H2
reaction energetics
exothermic, reversible
other ways of methanol production
reactant
methane
oxygen
reaction energetics
exothermic
catalyst
range of metallic catalyst
low %yields
FISCHER TROPSCH REACT.
uses
Gas to liquid
syncrude
reaction
products
parrafins
olefins
aromatics
oxygenates
branched compounds
catalyst
low weight products
nickel
high weight product
rhodium
modern reactors
Cobalt
advant.
better attrition resistance
TOF is less pressure dependent
disadv
expensive
less active in WGS
less olefins product
selectivity more dependent on temperature and concentration
deactivated by H20
support
oxide support
promoter
Noble metal
aim
promote reduction
e.g
Pt, Ru
Iron
disad
less attrition resistance
TOf is more pressure dependent
promoters
oxides
aim
activity stability
alkali
aim
heavy products
olefin selectivity
copper
aim
reduction/carbidation promoter
adv
cheap
more olefin product
more active in WGS
selectivity less dependent on temp & conc
AMMONIA SYNTHESIS
REACTANTS
N2 from ATR
PROCESS TYPES
REFORMING
AUTHO THERMAL REFORMING
reaction types
with CO2
reactant
CO2
O2, CH4
H2/CO ratio
1:1
with steam
reactant
steam
O2, CH4
H2/CO ratio
2.5:1
PRODUCTS
adv
H2/CO is variable
STEAM REFORMING, SR
WATER GAS SHIFT, WGS
energetics
exothermic
reversible
Methanation
INDUST. STEPS
HIGH TEMP SHIFT
CATALYST TYPES
IRON OXIDE
DISADV
METHANATION
PROMOTER
large amt of steam
cobalt
Gold
370-420C
LOW TEMP. SHIFT
catalyst
Cuo/ZnO/Al2O3
disadv
sintering at high temp
230C
aim
increase H from SR
PRODUCT
SYNGAS
SYNGAS AS REACTATANT
reactant
CH4
H
energetics
high endothermic
reversible
methanation
400c
900C
high pressure
catalyst
Ni
support
alumina
WATER GAS SHIFT , WGS
PROBLEMS
global warming
ocean acidification
Carbon sequestration
OTHER IND . PROCESS
other treatment processes
condensationa & seperation
demethanizing
nitrogen removal
fractionation
special treatment process
HDS
Amine gas treating
prducts
CO and CO2 removal
Hydrogen
reaction energetics
high pressure
low temperature
exothermic reaction
REVERSIBLE
catalyst
Magnetite +potash
reaction product
ammonia
uses
nitric acid
explosive inndusrty
domestic cleaning products
Nitrogen fertilizers
reaction scheme
adsorption, bond breaking and formation
formation of LNG
temp, -162C
processess
treatment
dehydration
condensate removal
imputry removal
refrigeration
liquefaction
storage & loading
transportation
LNG tankers
problems
presence of water
rapid phase transitions explosions
TRANSPORTATION
TYPES
SHORT DISTANCCE
PIPELINES
LONG DISTANCE
LNG TANKERS
TYPES
CONVENTIONAL GAS
SOURCES
OIL WELLS
ASSOCIATED GAS
COMPOSITION
DRY GAS
MINOR COMPOSITION
OTHER SATURATED ALIPHATIC HYDROCARBON
ethane
propane
n-butanr
i-butane
n-pentane
hexane
i-pentane
IMPURITIES
helium
uses
MRI scanners in hospitals
mercaptans & hYDRO-SULPHIDE
uses
blended with nat gas for easy detection
making chemicals like sulphuric acid
making cellophane and vulcanized rubber
carbondioxide
nitrogen
MERCURY
OXYGEN
MAJOR COMPOSITION
METHANE
WET GAS
MINOR COMPOSITON
METHANE
IMPURITIES
dust
MAJOR compositon
other saturated aliphatic hydrocarbons
n-penane
ethane
hexane
i-butane
n-butane
i-pentane
popane
GAS WELLS
NON-ASSOCIATED GAS
UNCONVENTIONAL
SOURCES
GAS IN GEO-PRESSURED RESERVOIRS
GAS INT TIGHT SANDS
GAS IN COAL BED METHANE
GAS IN SHALE
GAS IN HYDRATES
UTILIZATION
ELECTRIC GENERATION
24%
DOMESTIC
22%
INDUSTRIAL
32%
COMMERCIAL
14%
OTHER
8%
SALES GAS
HRDOCARBON DEW POINT
Mostrar resumen completo
Ocultar resumen completo
¿Quieres crear tus propios
Mapas Mentales
gratis
con GoConqr?
Más información
.
Similar
Phrasal verbs
John Goalkeeper
Test con Preguntas de Pensamiento Analítico
Raúl Fox
El Relieve de España
Remei Gomez Gracia
Diseño organizacional e Integración del personal
David Pacheco Ji
LA BELLE EPOQUE
fer.sagredo
Cardiología Veterinaria
oscardary
ANIMALES
Ulises Yo
Bioquimica
Nadim Bissar
Cómo Usar la Plantilla del Plan de Estudio de 5 Minutos
Diego Santos
EL UNIVERSO Y EL SISTEMA SOLAR
ROSA MARIA ARRIAGA
El mentefacto conceptual y sus partes
NEIL BERNAL R.
Explorar la Librería