Patent classifications
B01J29/40
Conversion of Heavy Aromatics to Lighter Aromatics with Low Ring Saturation and Hydrocarbon Cracking
A catalyst may include a metallic function derived from a metal constrained within cages and/or channels of a microporous material, wherein the cages and/or channels of the microporous material are defined by 8 tetrahedral atoms or fewer; and an acidic function derived from an additional zeolite having cages and/or channels defined by 10 or more tetrahedral atoms, wherein the microporous material providing the metallic function and additional zeolite providing the acidic function are coupled by a binder.
FUNCTIONAL STRUCTURAL BODY AND METHOD FOR MAKING FUNCTIONAL STRUCTURAL BODY
To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).
FUNCTIONAL STRUCTURAL BODY AND METHOD FOR MAKING FUNCTIONAL STRUCTURAL BODY
To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).
PROCESS FOR PRODUCTION OF AROMATICS VIA PYROLYSIS OF LIGNIN-COMPRISING MATERIAL
This invention relates to a process for the conversion of a feedstock comprising a lignin-comprising material, comprising the steps (a) to (c): (a) charging the feedstock to a fluidized bed reactor; (b) pyrolyzing at least part of the feedstock in the fluidized bed reactor while introducing a carrier gas into the reactor, to produce pyrolysis vapours; (c) reacting at least part of the pyrolysis vapours coming from step (b) in a second reactor comprising a catalyst, to produce hydrocarbon products comprising aromatics.
PHOSPHORUS-CONTAINING/PHOSPHORUS-MODIFIED ZSM-5 MOLECULAR SIEVE, CRACKING AUXILIARY AND CRACKING CATALYST CONTAINING THE SAME, PROCESS OF PREPARING THE SAME, AND USE THEREOF
A phosphorus-containing or phosphorus-modified ZSM-5 molecular sieve is characterized in that in its 27Al MAS-NMR, the ratio of peak area for the resonance signal having a chemical shift of 39±3 ppm to peak area for the resonance signal having a chemical shift of 54 ppm±3 ppm is ≥1; or in its surface XPS elemental analysis, the value of n1/n2 is ≤0.1. n1 represents the mole number of phosphorus, n2 represents the total mole number of silicon and aluminum. A cracking auxiliary or cracking catalyst contains the phosphorus-containing/phosphorus-modified ZSM-5 molecular sieve can be made using the phosphorus-containing or phosphorus-modified ZSM-5 molecular sieve.
PHOSPHORUS-CONTAINING/PHOSPHORUS-MODIFIED ZSM-5 MOLECULAR SIEVE, CRACKING AUXILIARY AND CRACKING CATALYST CONTAINING THE SAME, PROCESS OF PREPARING THE SAME, AND USE THEREOF
A phosphorus-containing or phosphorus-modified ZSM-5 molecular sieve is characterized in that in its 27Al MAS-NMR, the ratio of peak area for the resonance signal having a chemical shift of 39±3 ppm to peak area for the resonance signal having a chemical shift of 54 ppm±3 ppm is ≥1; or in its surface XPS elemental analysis, the value of n1/n2 is ≤0.1. n1 represents the mole number of phosphorus, n2 represents the total mole number of silicon and aluminum. A cracking auxiliary or cracking catalyst contains the phosphorus-containing/phosphorus-modified ZSM-5 molecular sieve can be made using the phosphorus-containing or phosphorus-modified ZSM-5 molecular sieve.
PROCESSES FOR HIGH SEVERITY FLUID CATALYTIC CRACKING SYSTEMS
Embodiments of methods for converting gas condensate into a product stream comprising propylene comprise feeding gas condensate at a top region of a downflow high severity fluidized catalytic cracking reactor (HSFCC), where the gas condensate comprises: at least 50% by weight paraffins, and less than 0.1% by weight olefins. The method further comprises feeding catalyst to the top region of the downflow HSFCC reactor in an amount characterized by a catalyst to gas condensate weight ratio of about 5:1 to about 40:1, where the catalyst comprises nano-ZSM-5 zeolite catalyst having an average particle diameter from 0.01 to 0.2 μm, a Si/Al molar ratio from 20 to 40, and a surface area of at least 20 cm.sup.2/g. The method further comprises cracking the gas condensate in the presence of the catalyst at a reaction temperature of about 500° C. to about 700° C. to produce the product stream comprising propylene.
CATALYTIC PROCESS FOR PRODUCING OLEFINS
Disclosed herein is a catalytic process for producing higher olefins including three- to four-carbon olefins from ethene sources by producing an ethene-containing stream from an ethene source, and subjecting the ethene-containing stream to a catalytic oligomerization process. In this catalytic process, the catalytic oligomerization process comprises exposing the ethene-containing stream in contact with a catalyst including a mixture of a zeolite material and a zeotype material.
HYDROCRACKING CATALYST FOR HEAVY FRACTION OF BIO-OIL, METHOD FOR PREPARING THE SAME AND METHOD FOR BIO-OIL UPGRADING USING THE SAME
Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.
Structured catalyst for methanol reforming, methanol reforming device, method for producing structured catalyst for methanol reforming, and method for producing at least one of olefin or aromatic hydrocarbon
To provide a highly active structured catalyst for methanol reforming that suppresses the decline in catalytic function and has excellent catalytic function, and a methanol reforming device. A structured catalyst for methanol reforming, including: a support of a porous structure composed of a zeolite-type compound; and a catalytic substance present in the support, in which the support has channels communicating with each other, and the catalytic substance is present at least in the channels of the support.