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Total Petrochemicals Research Feluy

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Total Raffinage France

Sander Van Donk

Nikolai Nesterenko

Delphine Minoux

Walter Vermeiren

Jean-Pierre Dath

Cindy Adam

Giacomo Grasso

Wolfgang Garcia

Krijn Pieter De Jong

Maxime Lacroix

Petra Elisabeth De Jongh

Métin Bulut

François Fajula

Régine Kenmogne-Gatchuissi

Adrianus Nicolaas Cornelis Van Laak

Jovana Zecevic

Pierre Jacobs

Francis Luck

Nadiya Danilina

Pieter Struelens

Eric Duchesne

Niki Baccile

Martin In

Corine In-Gerardin

Julien Reboul

Corine Gerardin

Robin Chal

Metin Bulut

The present invention is a phosphorous modified zeolite (A) made by a process comprising in that order: The present invention also relates to a process (hereunder referred as 'XTO process') for making an olefin product from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock wherein said oxygen-containing, halogenide-containing or sulphur-containing organic feedstock is contacted with the above catalyst (in the XTO reactor) under conditions effective to convert at least a portion of the oxygen-containing, halogenide-containing or sulphur-containing organic feedstock to olefin products (the XTO reactor effluent). The present invention also relates to a process (hereunder referred as 'combined XTO and OCP process') to make light olefins from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock comprising:

Phosphorous modified molecular sieves, their use in conversion of organics to olefins

A process for obtaining a catalyst composite comprising the following steps:

Process for obtaining a catalyst composite

A phosphorous modified zeolite (A) can be made by a process that includes selecting a zeolite, steaming the zeolite, leaching the zeolite, separating solids from liquid, and calcining. An olefin product can be made from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock by contacting the feedstock with the phosphorous modified zeolite (A) in an XTO reactor under conditions effective to convert at least a portion of the feedstock to olefin products. The XTO reactor effluent can include light olefins and a heavy hydrocarbon fraction. The light olefins can be separated from the heavy hydrocarbon fraction. The heavy hydrocarbon fraction can be contacted in an OCP reactor at conditions effective to convert at least a portion of the heavy hydrocarbon fraction to light olefins.

Phosphorus modified molecular sieves, their use in conversion of organics to olefins

A process may include contacting an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock in an XTO reactor with a catalyst composite under conditions effective to convert the oxygen-containing, halogenide-containing or sulphur-containing organic feedstock to olefin products. The catalyst composite may include at least 10 weight percent of a modified molecular sieve. The modified molecular sieve may include at least 0.05 weight percent of an alkaline earth metal or a rare earth metal based on a weight of the modified molecular sieve. The modified molecular sieve may include at least 0.3 weight percent of P based on the weight of the modified molecular sieve.

Process for obtaining modified molecular sieves

The invention relates to a process for preparing a hydroconversion catalyst based on modified zeolite Y, comprising the steps of: The invention also relates to a catalyst obtained via this process and also to the use thereof.

Process for preparing an industrial hydroconversion catalyst, catalyst thus obtained and use thereof in a hydroconversion process

The present invention relates to a process to make light olefins and aromatics, in a combined XTO-OC process, from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock comprising:

Process to make olefins and aromatics from organics

The present invention relates to a process to make light olefins, in a combined XTO-OC process, from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock comprising: a) providing a catalyst comprising zeolitic molecular sieves containing 10 member and larger channels in their microporous structure, b) providing an XTO reaction zone, an OC reaction zone and a catalyst regeneration zone, said catalyst circulating in the three zones, such that at least a portion of the regenerated catalyst is passed to the OC reaction zone, at least a portion of the catalyst in the OC reaction zone is passed to the XTO reaction zone and at least a portion of the catalyst in the XTO reaction zone is passed to the regeneration zone;c) contacting said oxygen-containing, halogenide-containing or sulphur-containing organic feedstock in the XTO reactor with the catalyst at conditions effective to convert at least a portion of the feedstock to form a XTO reactor effluent comprising light olefins and a heavy hydrocarbon fraction;d) separating said light olefins from said heavy hydrocarbon fraction;e) contacting said heavy hydrocarbon fraction in the OC reactor with the catalyst at conditions effective to convert at least a portion of said heavy hydrocarbon fraction to light olefins.

Process to make olefins from oxygenates

The present invention relates to a process to make light olefins, in a combined XTO-OC process, from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock comprising:

Process to make olefins from organics

A catalyst composite may include a molecular sieve having pores of 10- or more-membered rings and a metal silicate different from the molecular sieve. The metal silicate may include at least one alkaline earth metal and one or more of the following metals: Ga, Al, Ce, In, Cs, Sc, Sn, Li, Zn, Co, Mo, Mn, Ni, Fe, Cu, Cr, Ti and V. The catalyst composite may include at least 0.1 wt % of silicate. The catalyst composite may be used in an XTO reactor or for catalytic cracking.

A process for the conversion of an alcohol mixture to make propylene may include introducing into a reactor a stream that includes the alcohol mixture. The alcohol mixture may include 20 to 100 weight percent isobutanol. The process may include contacting the stream with a single catalyst at a temperature above 450&#xb0; C. in the reactor at conditions effective to dehydrate the isobutanol, forming Colefins, and to catalytically crack the Colefins. The single catalyst may be an acid catalyst adapted to cause both the dehydration and the catalytic cracking. The process may include recovering from the reactor an effluent that includes ethylene, propylene, water, and various hydrocarbons. The process may include fractionating the effluent to produce an ethylene stream, a propylene stream, a fraction of hydrocarbons having 4 carbon atoms or more, and water.

Process to make olefins from isobutanol

A process for the dehydration of an alcohol having at least 2 carbon atoms to make a corresponding olefin may include introducing in a reactor a stream (A) containing the alcohol, optionally water, and optionally an inert component. The stream (A) may be contacted with a catalyst in the reactor at conditions effective to dehydrate at least a portion of the alcohol to make the corresponding olefin. The process includes recovering from the reactor an olefin containing stream (B). The catalyst may be a crystalline silicate, dealuminated crystalline silicate, or phosphorus modified crystalline silicate, each of the group FER, MWW, EUO, MFS, ZSM-48, MTT or TON having Si/Al ranging from 25 to 90. The weight hourly space velocity (WHSV) of the alcohol may be at least 4 h. The temperature may range from 280&#xb0; C. to 600&#xb0; C., or from 320&#xb0; C. to 600&#xb0; C.

Dehydration of alcohols on a crystalline silicate of low Si/Al ratio

A process for conversion of isobutanol to make propylene includes dehydrating isobutanol to produce butenes. The process includes cracking the butenes to produce propylene.

Process to make propylene from isobutanol by dehydration and subsequent cracking

The present invention is the use of a catalyst in a MTO process to convert an alcohol or an ether into light olefins wherein said catalyst comprises a phosphorus modified zeolite and is made by a method comprising the following steps in this order, a) the essential portion of the phosphorus is introduced into a zeolite comprising at least one ten members ring in the structure, b) the phosphorus modified zeolite of step a) is mixed with at least a component selected among one or more binders, salts of alkali-earth metals, salts of rare-earth metals, clays and shaping additives, b)* making a catalyst body from mixture b), c) an optional drying step or an optional drying step followed by a washing step, d) a calcination step, d*) an optional washing step followed by drying, e) optionally a small portion of phosphorus is introduced in the course of step b) or b)* or at end of step b) or b)*.

Method for making a catalyst comprising a phosphorus modified zeolite to be used in a MTO process

A dehydration process may include introducing in a reactor an alcohol, and contacting the alcohol with an acidic catalyst to dehydrate the alcohol to make a corresponding olefin. The process may include recovering from the reactor the olefin and water. In the process, an effective amount of a component capable to neutralize a part of the catalyst active site may be introduced. The component may include ammonia, organic ammonium salts, hydrazine, nitriles, amines, amides, imines, di-imines, imides, cyanates, isocyanates, nitrites and nitroso compounds, aldehydes, ketones, carboxylic esters, and their corresponding thio-compounds.

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