Inclined jetting column plate The present invention relates to gas-liquid mass transfer plant in chemical engineering, and is especially one kind of high efficiency inclined jetting column plate. The inclined jetting ...
Method and apparatus for chemical synthesis The present invention provides a chemical synthesis apparatus comprising a plurality of reagent inputs (2) and a solid support input (1). Each input (1, 2) is connectable to a main fluid ...
Activation method for inactive catalyst
The activating method of inactive catalyst belongs to the field of plasma chemical technology, and is characterized by that after discharging treatment the high-activity matter in the no...
6
98811642
Method for making mesoporous carbon Mesoporous carbon and method of making involves forming a mixture of a high carbon-yielding carbon precusor that when carbonized yields greater than about 40 percent carbon on a cured bas...
7
98812041
Process for preparation of catalysts A process for the preparation of catalysts comprising carriers and active components supported thereon, particularly platinum-carrying halogenated L-zeolite catalysts, which can bring abo...
Crystal growth The invention provides a mass of crystals, particularly diamond crystals, having a size of less than 100 microns and in which mass the majority of the crystals are faceted single crystals...
11
98813521
Crystal-contg. material A method of making a bonded, coherent material comprising a mass of crystals, preferably diamond crystals, in a matrix is provided. The steps include: providing a source of the crystals o...
Annular chromatography The invention relates to an annular chromatograph with a particle bed in its annular gap. Said chromatograph is characterised in that at least one reaction zone for conducting the chemica...
14
98812010
Extrusion device The invention relates to an extrusion device, particularly an extrusion device for thermoplastic or dough-like masses or highly tenacious melts, and to the use of said device. The extrusi...
Method for producing bis-(4-hydroxyaryl) alkanes The present invention relates to a process for the production of bis(4-hydroxyary)alkanes by an acid-catalysed reaction between aromatic hydroxy compounds and ketones, in which the temper...
Process for regeneration of catalyst for hydrocarbon conversion The present invention relates to the process regenerates catalysts used in hydrocarbon conversion reactions. The said catalyst comprises a carrier, at least a noble metal, at least an add...
Metal foil with openings The object of the invention is a flat entity inter alia, having at least two partially overlapping structures (10, 11, 14) which are located at a distance from a reference surface. An ope...
21
98812046
Process for obtaining L-dihydroorotic acid and use thereof The invention relates to a process for obtaining L-dihydroorotic acid by chromatography on an anionic exchange material in a base water mixture under a pressure from about 1.1 MPa to abou...
22
98127121
Process for regenerating catalyst and absorbents The addition of a nitrogen oxide at the combustion stage lowers the combustion temperature and improves regeneration of the product. The process is used for the regeneration of spent cata...
Prodn. of catalysts for olefin conversion A process for producing a catalyst for olefin cracking, the process comprising the steps: providing an MFI-type crystalline silicate catalyst, heating the catalyst in steam to remove alum...
Process for preparing catalyst A process for preparing a catalyst which has a catalytically active coating of high surface area finely divided materials and catalytically active components on an inert carrier structure...
Aldehyde hydrogenating catalyst and its preparing process
A hydrogenating catalyst of aldehyde and its preparing process are disclosed. As organic acid is chosen as precipitant, the waste water can be easily treated with less consumption of cle...
Photocatalytic oxide composition, thin film, and composite A composition comprising photocatalytic oxide particles, a solvent-soluble zirconium compound, and a solvent. Preferably the photocatalytic oxide is titanium oxide with an average particl...
Method and equipment for producing fatty acid methyl ester The present invention relates to a method and an equipment for producing fatty acid methyl ester, more particularly diesel fuel for vehicles, wherein said method allows for a rational pro...
Method and reactor for making norbornene The invention relates to a method for making norbornene from dicyclopentadiene (DPCD) and ethylene characterised in that it consists in subjecting DCPD to partial monomerisation into CPD ...
51
98812742
Method for hydrogenating dinitriles The invention concerns a method for hydrogenating aliphatic dinitriles at least partly into corresponding aminonitriles. More particularly, it concerns a method for continuous hydrogenati...
52
98122007
Preparation process of beta-zeolite
The preparation process of beta-zeolite uses aluminium source, sodium source, tetraethyl ammonium cation, silica gel or/and silica sol and water as raw material, and includes the followi...
53
98122006
Beta-zeolite
The present invention relates to a beta-zeolite, in which the mole ratio of SiO2/Al2O3 of said beta-zeolite is 10-50, Na2O content is less than or equal to 0.10 (wt%), its specific surfa...
54
98114488
Method for preparing high-activity hydrogenation catalyst
The preparation method of high-activity hydrotreating catalyst is characterized by adding a neutral solution in the course of mix-kneading aluminium hydroxide monohydrate and metallic sa...
55
98122012
Alkyl aromatics dehydrogenation catalyst
The dehydrogenation catalyst for production of olefine aromatics is charaterized by adding several kinds of metal oxides and silicasol or silica gel in tis composition of iron-potassium-...
Regeneration method of effluent brine and its device
The present invention relates to a method for regeneration of waste saline solution produced by regenerating exchange resin in the course of softening water and its recovery and circulat...
58
98811701
Esterification catalysts An organometallic compound suitable for use as a catalyst for the preparation of an ester comprises the reaction product of an orthoester or condensed orthoester of titanium, zirconium or...
Method for raising adsorptivity of natural zeolite
The method for raising adsorption property of natural zeolite includes the following steps: respectively using acid and alkali solution to soak the zeolite, each for 8-24 hr., steaming t...
Preparation method of hydrogenation catlayst
The present invention discloses a preparation method of hydrotreatment catalyst, in particular it is a preparation method of catalyst for residual hydrodenitrification and hydrogenation ...
Process for the selective oxidation of organic compounds A process for oxidizing organic compounds is disclosed. Hydrogen peroxide is used to oxidize an oxidizable organic substrate in the presence of a silica-modified titania/silica-containing...
Device for feeding fluid into container The invention relates to a device for feeding a fluid into a container comprising a delivery device which leads into the inner space (5) of the container (1), is closed with a rupture dis...
71
98812350
Oligonucleotide synthesis using high boiling point solvents A method for reducing evaporation of a liquid reagent solution during solid phase, micro-scale chemical synthesis of a molecule comprising sub-units on an open environment solid support s...
Monofunctional reforming catalyst contg. bismuth A catalytic reforming process is disclosed using a catalyst containing a Group VIII metal, low amounts of bismuth, and a zeolite L. The catalyst is a non-acidic, monofunctional reforming ...
75
98122656
Process for hydrogenation of diene (CO) polymers Catalytic composition effective in the hydrogenation of olefinic double bonds prepared by reaction between:(A) at least one cyclopentadienyl complex of a transition metal having general f...
Separation of solid particulate materials from fluid streams A method of separating particulate material from a fluid stream comprises rotating in the fluid stream (10) a perforated barrier (1) which permits the fluid to pass through it, the axis o...
79
98125889
Prep. of catalyst for inversion reaction of organic compound In a process for preparing a catalyst comprising at least one support, at least one metal from group VIII of the periodic table and at least one additional element M selected from the gro...
Low temp. system for producing super pure nitrogen A process for further purification of nitrogen gas, thereby producing ultra-high purity nitrogen which is substantially free of hydrogen, oxygen and carbon monoxide, wherein the nitrogen ...
Material exchange column with packing The material exchange column contains a packing which can be installed in the horizontal position of the column. The column has a ring gap between the packing and the column wall in which...
Reactor The invention provides a reactor controlled to reduce the loss of a product component at the time of reducing pressure by avoiding the generation of by-pass flow at the top part in the re...
Method for reactivation of ion-exchange resin
A method for regenerating ion exchange resin is to transfer the poisoned ion exchange resin from the exchange tower into a solution tank outside the tower, then according to the variety ...
Spiral composite filler
The composite helical packing material for cooling tower and water-purifying microorganism filtration is characterized by that it is formed from several internal helical blades whose hel...
97
98124535
Reactor for chemical reactions in triphasic system Reactor for chemical reactions which are carried out in triphasic systems (liquid, gas, solid) which includes a bottom head into which the reagent gas is fed, through an inlet nozzle; one...
Prepn of gamma-alumina
A preparation process of gamma-alumina includes roasting a kind of pseudo-thin diaspore. The pseudo-thin diaspore is prepared through such steps as making sodium meta-aluminate or sodium...
100
98801346
Catalyst for exhaust gas purification A catalyst for exhaust gas purification, which is used for purifying exhaust gases in an oxygen-excess atmosphere and is characterized by comprising a brownmillerite type composite oxide ...
