Abstract: The present invention is directed to a wall-flow filter which is used in particular in exhaust gas systems of vehicles driven by gasoline engines. The filter has three-way activity and filters fine particles, which result from the combustion of gasoline, from the exhaust gas stream. The invention also relates to a method for producing a corresponding filter and to the preferred use thereof.

Abstract: The present invention relates to a wall-flow filter for removing particles from the exhaust gas of an internal combustion engine, which comprises a coating F, which comprises a sintered material S, wherein material S comprises an oxide, oxide-hydroxide, carbonate, sulphate, silicate, phosphate, mixed oxide, composite oxide, molecular sieve or a mixture comprising two or more of these materials.

Abstract: Catalyst for the abatement of ammonia from the exhaust of gasoline internal combustion engines The present invention relates to a catalyst comprising a carrier body having a length L extending between a first end face and a second end face, and differently composed material zones A, B and C arranged on the carrier body, wherein material zone A comprises rhodium and/or nickel and/or cerium; material zone B comprises platinum; and material zone C comprises a zeolite which is able to store ammonia and to catalyze the selective catalytic reduction of NOx.

Abstract: The invention relates to a method for producing large stainless steel meshes on flatbed knitting machines, comprising the steps of providing stainless steel wire and knitting a stainless steel mesh, characterized in that one stainless steel mesh each is knitted on the front and the rear needle bed of the flatbed knitting machine at the same time, and these two stainless steel meshes are linked to each other on one side by connecting stitches.

Abstract: The invention provides a method for synthesizing musk macrocycles comprising contacting an easily accessible diene starting materials bearing a Z-olefin moiety and performing a ring closing metathesis reaction in the presence of a Group 8 olefin metathesis catalyst.

Abstract: The present disclosure concerns a process for the concentration of lithium in metallurgical fumes. The process comprises the steps of: —providing a metallurgical molten bath furnace; —preparing a metallurgical charge comprising lithium-bearing material, transition metals, and fluxing agents; —smelting the metallurgical charge and fluxing agents in reducing conditions in said furnace, thereby obtaining a molten bath with an alloy and a slag phase; and, —optionally separating the alloy and the slag phase; characterized in that a major part of the lithium is fumed as LiCl from the molten slag, by addition of alkali or earth alkali chloride to the process. Using a single smelting step, valuable transition metals such as cobalt and nickel also present in the charge are collected in an alloy phase, while the lithium reports to the fumes. The lithium in the fumes is available in concentrated form, suitable for subsequent hydrometallurgical processing.

Abstract: The present invention relates to a wall-flow filter for removing particles from the exhaust gas of combustion engines, comprising a wall-flow filter substrate of length L and coatings Z and F that differ from one another, wherein the wall-flow filter substrate has channels E and A, which extend in parallel between a first and a second end of the wall-flow filter substrate, are separated by porous walls and form surfaces OE and OA respectively, and wherein the channels E are closed at the second end and the channels A are closed at the first end, and wherein the coating Z is located in the porous walls and/or on the surfaces OA, but not on the surfaces OE, and comprises palladium and/or rhodium a cerium/zirconium mixed oxide, characterized in that the coating F is located in the porous walls and/or on the surfaces OE, but not on the surfaces OA and comprises a particulate metal compound and no noble metal.

Abstract: A bimodal lithium transition metal oxide based powder mixture comprising a first and a second lithium transition metal oxide based powder. The first powder comprises a material A having a layered crystal structure comprising the elements Li, a transition metal based composition M and oxygen and has a particle size distribution with a span <1.0. The second powder has a monolithic morphology and a general formula Li1+bN?1-bO2, wherein ?0.03?b?0.10, and N?=NixM?yCozEd, wherein 0.30?x?0.92, 0.05?y?0.40, 0.05?z?0.40 and 0?d?0.10, with M? being one or both of Mn or Al, and E being a dopant different from M?. The first powder has an average particle size D50 between 10 and 40 ?m. The second powder has an average particle size D50 between 2 and 4 ?m. The weight ratio of the second powder in the bimodal mixture is between 20 and 60 wt %.

Abstract: The present invention relates to a wall flow filter for removing particles from the exhaust gas of internal combustion engines, which comprises a wall flow filter substrate having a length L and coatings Z and F that differ from one another, wherein the wall flow filter substrate comprises channels E and A, which extend in parallel between a first and a second end of the wall flow filter substrate, are separated by porous walls and form surfaces OE or OA, and wherein the channels E are closed at the second end and the channels A are closed at the first end, and wherein the coating Z is located in the porous walls and/or on the surfaces OA, but not on the surfaces OE, and comprises palladium and/or rhodium a cerium/zirconium mixed oxide, characterized in that the coating F is located in the porous walls and/or on the surfaces OE, but not on the surfaces O, and comprises a ceramic membrane and no precious metal.

Abstract: A 2-step high temperature process for recovering Ni, Co, and Mn from various sources comprises preparing a metallurgical charge comprising materials containing Ni, Co, and Mn, and Si, Al, Ca and Mg as slag formers; smelting the charge with slag formers in first reducing conditions, thereby obtaining a Ni—Co alloy comprising a major part of at least one of Co and Ni, with Si<0.1%, and a first slag comprising the major part of the Mn; separation of the first slag from the alloy; and, smelting the first slag in second reducing conditions, more reducing than said first reducing conditions, thereby obtaining a Si—Mn alloy comprising the major part of the Mn, with Si>10%, and a second slag. A Ni—Co alloy is produced, and a Si—Mn alloy is produced. The second slag is essentially free of heavy metals and therefore suitable for reuse.

Abstract: Systems and methods directed at removing HCN from an FCC process flue gas (and/or generated in the catalyst system reactions themselves) such that the final HCN output is satisfactory; while, in so doing, avoiding undesirable levels of other pollutants contained in that exhaust gas such as NOx. A system includes an assembly having a fluid catalytic cracking (FCC) unit generating a flue gas with HCN and NOx and a catalyst device placed in the flue gas line to remove HCN and NOx. The catalyst device having one or more SCR catalytic articles, as in one free of platinum group metal material (PGM) or a dual functioning SCR catalyst with PGM, or a combination of each. The assembly can be provided with an ammonia supplier and optionally an H2O supplier with associated injection for supply into the flue gas upstream of a catalytic article(s).

Abstract: The present invention relates to ?-nickel hydroxide doped with aluminum ions, in which the aluminum ions are homogeneously distributed in the crystal lattice of the ?-nickel hydroxide, as well as a method for their production. The present invention further relates to the use of the ?-nickel hydroxide according to the invention as a precursor material for the production of electrode material for lithium-ion batteries and nickel-metal hydride batteries and as a precursor material in the production of Raney nickel catalysts.

Abstract: The invention is directed to ruthenium-based metathesis catalysts of the Grubbs-Hoveyda type. The new 2-aryloxy-substituted ruthenium catalysts described herein reveal rapid initiation behavior. Further, the corresponding styrene-based precursor compounds are disclosed. The catalysts are prepared in a cross-metathesis reaction starting from styrene-based precursors which can be prepared in a cost-effective manner. The new Grubbs-Hoveyda type catalysts are suitable to catalyze ring-closing metathesis (RCM), cross metathesis (CM) and ring-opening metathesis polymerization (ROMP). Low catalyst loadings are necessary to convert a wide range of substrates including more complex and critical substrates via metathesis reactions at low to moderate temperatures in high yields within short reaction times.

Abstract: A bimodal lithium transition metal oxide based powder mixture comprises a first and a second lithium transition metal oxide based powder. The first powder comprises particles of a material A comprising the elements Li, a transition metal based composition M and oxygen. The first powder has a particle size distribution characterized by a (D90?D10)/D50<1.0. The second powder comprises a material B having single crystal particles, said particles having a general formula Li+bN??bO2, wherein ?0.03?b?0.10, and N?=NixM?yCozEd, wherein 0.30?x?0.92, 0.05?y?0.40, 0.05?z?0.40 and 0?d?0.10, wherein M? is one or both of Mn or Al, and E is a dopant different from M?. The first powder has an average particle size D50 between 10 and 40 ?m. The second powder has a D50 between 2 and 4 ?m. The weight ratio of the second powder in the mixture is between 15 and 60 wt %.

Abstract: A precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor being either one of a metal-bearing M?-hydroxide, -oxyhydroxide or -carbonate, with M?=Ni1-x-y-zMnxCOyAz with x>0, y>0, 0.70?1-x-y-z?0.95 and 0?z<0.1, the precursor comprising having a core comprising a metal-bearing compound M?c and a shell comprising a metal-bearing compound M?s, wherein M?c=Ni1-xc-yc-zcMnxcCOycAzc with 0<xc?0.2, 0<yc?0.2, 0?zc<0.1 and 0.75?1-x-y-z?0.95, and M?s=Ni1-xs-ys-zsMnxsCOysAzs with 0<xs?0.25, 0.75<ys?0.95, 0?zs<0.1 and 0?1-xs-ys-zs?0.10.

Abstract: The invention relates to a wall flow filter for removing particulate matter from the exhaust of internal combustion engines, comprising a wall flow filter substrate having a length L, and different coatings Z and F, the wall flow filter substrate being provided with channels E and A which run parallel between a first end and a second end of the wall flow filter substrate, are separated by porous walls, and form surfaces OE and OA, respectively; channels E are closed at the second end, and channels A are closed at the first end; coating Z is disposed in the porous walls and/or on surfaces OA, but not on surfaces OE, and contains palladium and/or rhodium and a cerium/zirconium mixed oxide; coating F is disposed mainly on surfaces OE, but not on surfaces OA, and comprises a membrane and no precious metal. The wall flow filter is characterized in that the mass ratio of coating Z to coating F ranges from 0.1 to 25.

Abstract: The invention concerns a process suitable for the recovery of platinum group metals (PGM) present in PGM-bearing catalysts comprising silicon carbide (SiC). More particularly, the process for the recovery of PGM present in PGM-bearing catalysts comprising SiC, comprises the steps of preparing a metallurgical charge by mixing the PGM-bearing catalysts with an Fe-oxide compound in an amount sufficient to oxidize at least 65% of the SiC, and feeding the metallurgical charge and slag formers to a smelting furnace operating in conditions susceptible to form a liquid Fe-based bullion, which contains PGM, and a liquid slag. Good to excellent PGM yields are obtained.

Abstract: The invention relates to a wall flow filter for removing particulate matter from the exhaust of internal combustion engines, comprising a wall flow filter substrate having a length L, and different coatings Z and F, the wall flow filter substrate being provided with channels E and A which run parallel between a first end and a second end of the wall flow filter substrate, are separated by porous walls, and form surfaces OE and OA, respectively; channels E are closed at the second end, and channels A are closed at the first end; coating Z is disposed in the porous walls and/or on surfaces OA, but not on surfaces OE, and contains palladium and/or rhodium and a cerium/zirconium mixed oxide. The wall flow filter is characterized in that coating F is disposed in the porous walls and/or on surfaces OE, but not on surfaces OA, and comprises a mineral material and no precious metal.

Abstract: A novel method of making trialkylaluminum compounds and trialkylaluminum obtained thereby via exposing a solution of aluminum to an alkylating agent.

Abstract: A fine particle filter for removing a particulate matter from exhaust gas of an internal combustion engine includes a wall-flow type filter that has a porous wall, and a ceramic layer that is made of ceramic particles and that is applied in a flow channel of the wall-flow type filter, wherein the ceramic layer has a porosity of 20% or more and 41% or less. The ceramic particles may be formed of one selected from the group consisting of alumina, silica, zirconia, ceria, titania, and zeolite.