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1. WO2006098895 - ETHYLENE PRODUCTION BY STEAM CRACKING OF NORMAL PARAFFINS

Publication Number WO/2006/098895
Publication Date 21.09.2006
International Application No. PCT/US2006/007519
International Filing Date 02.03.2006
IPC
C07C 7/12 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
7Purification, separation or stabilisation of hydrocarbons; Use of additives
12by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
C10G 9/36 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
9Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
34by direct contact with inert preheated fluids, e.g. with molten metals or salts
36with heated gases or vapours
CPC
C07C 11/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
11Aliphatic unsaturated hydrocarbons
02Alkenes
04Ethylene
C07C 4/02
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
4Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
02by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
C10G 2400/20
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION
2400Products obtained by processes covered by groups C10G9/00 - C10G69/14
20C2-C4 olefins
C10G 25/00
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION
25Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
Applicants
  • UOP LLC [US]/[US] (AllExceptUS)
  • RICE, Lynn H. [US]/[US] (UsOnly)
  • SOHN, Stephen W. [US]/[US] (UsOnly)
  • KULPRATHIPANJA, Santi [US]/[US] (UsOnly)
Inventors
  • RICE, Lynn H.
  • SOHN, Stephen W.
  • KULPRATHIPANJA, Santi
Common Representative
  • UOP LLC
Priority Data
11/078,88611.03.2005US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ETHYLENE PRODUCTION BY STEAM CRACKING OF NORMAL PARAFFINS
(FR) PRODUCTION D'ETHYLENE PAR VAPOCRAQUAGE DE PARAFFINES NORMALES
Abstract
(EN)
An adsorptive separation process for preparing the separate feed streams charged to naphtha reforming unit and a steam cracking unit has been developed. The feed stream to the overall unit is passed into the adsorptive separation unit (4). The desorbent in the adsorptive separation is selected from the group consisting of hydrocarbons having from 10 to 16 carbon atoms and mixtures thereof. The adsorptive separation separates the components of the feed stream into a normal paraffin stream (8), which is charged to the steam cracking process (24), and non-normal hydrocarbons (10) which are passed into a reforming zone (30). The desorbent is readily separated from the normal paraffin stream (14) and from the non-normal paraffin stream (16).
(FR)
L'invention concerne un procédé de séparation par adsorption permettant de préparer des flux d'alimentation séparés à charger dans une unité de reformage de naphta et une unité de vapocraquage. Le flux d'alimentation utilisé dans l'unité globale est amené à passer dans l'unité de séparation par adsorption (4). Le désorbant utilisé pour la séparation par adsorption est sélectionné dans le groupe comprenant des hydrocarbures présentant entre 10 et 16 atomes de carbone et des mélanges de ceux-ci. La séparation par adsorption sépare les composants du flux d'alimentation en un flux de paraffine normale (8), qui est chargé dans une zone de vapocraquage (24), et en hydrocarbures non normaux (10) qui sont amenés à passer dans une zone de reformage (30). Le désorbant est facilement séparé du flux de paraffine normale (14) et du flux de paraffine non normale (16).
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