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1. WO2014128048 - SEPARATION PROCESS OF GASEOUS COMPOUNDS FROM NATURAL GAS WITH LOW EXERGY LOSSES

Publication Number WO/2014/128048
Publication Date 28.08.2014
International Application No. PCT/EP2014/052809
International Filing Date 13.02.2014
Chapter 2 Demand Filed 16.12.2014
IPC
B01D 53/047 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
02by adsorption, e.g. preparative gas chromatography
04with stationary adsorbents
047Pressure swing adsorption
C10L 3/10 2006.1
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR  C10K111; LIQUEFIED PETROLEUM GAS;  USE OF ADDITIVES TO FUELS OR FIRES;  FIRE-LIGHTERS
3Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclasses C10G, C10K108; Liquefied petroleum gas
06Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04139
10Working-up natural gas or synthetic natural gas
CPC
B01D 2253/102
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
102Carbon
B01D 2253/104
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
104Alumina
B01D 2253/106
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
106Silica or silicates
B01D 2253/108
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
10Inorganic adsorbents
106Silica or silicates
108Zeolites
B01D 2253/204
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
20Organic adsorbents
204Metal organic frameworks (MOF's)
B01D 2253/25
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2253Adsorbents used in seperation treatment of gases and vapours
25Coated, impregnated or composite adsorbents
Applicants
  • ENI S.P.A [IT]/[IT]
Inventors
  • ROTA, Renato
Agents
  • MAURO, Marina
Priority Data
MI2013A00023119.02.2013IT
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SEPARATION PROCESS OF GASEOUS COMPOUNDS FROM NATURAL GAS WITH LOW EXERGY LOSSES
(FR) PROCÉDÉ DE SÉPARATION DE COMPOSÉS GAZEUX PRÉSENTS DANS LE GAZ NATUREL AVEC PEU DE PERTES D'EXERGIE
Abstract
(EN) The present invention relates to a separation process of natural gas from gaseous compounds present at the wellhead by means of at least two adsorption columns, each containing an adsorbing solid and one operating at a higher pressure than the other, said process being characterized in that: • - the compression ratio is within the range of 1.1 to 10; • - the ratio between the characteristic convective time through the column and the characteristic diffusive time in the adsorbing solid is higher than 1.
(FR) L'invention concerne un procédé de séparation de composés gazeux présents dans le gaz naturel à la tête de puits en utilisant au moins deux colonnes d'adsorption contenant chacune un solide d'adsorption, et l'une d'elle fonctionnant à un pression supérieure à l'autre; le procédé de l'invention se caractérise en ce que le rapport de compression est compris entre 1,1 et 10, et le rapport entre la durée caractéristique de convection dans la colonne et la durée caractéristique de diffusion du solide d'adsorption est supérieur à 1.
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