199results about How to "High metal content" patented technology

Embodiments of the present invention are directed to occluder devices and methods for treating various target sites, such as the gonadal vein. For example, an occluder device according to one embodiment includes a tubular structure having proximal and distal ends and a preset, expanded configuration. The tubular structure is configured to be constrained to a reduced configuration for delivery to the target site and to at least partially return to the preset, expanded configuration within the target site when unconstrained. The preset, expanded configuration includes a plurality of expanded volume members and articulating members arranged in a repeating pattern with each articulating member coupling a pair of expanded volume members. In addition, at least one expanded volume member has a cross-sectional dimension that is larger than a cross-sectional dimension of a respective articulating member and that is at least as large as a cross-sectional dimension of the target site.

Novel solid oxide fuel cell (SOFC) article and method of manufacture with improved properties at lower costs. The structural features and methods involve fabricating an anode (i.e., fuel electrode); applying a cermet electrolyte, which includes a mixture of ceramic and electrochemically active substances, and applying a cathodic layer. The cermet electrolyte containing a small amount of transition metal reduces the thermal expansion mismatch with the anode, and allows for a graded structure of the electrochemically active substances across the anode/electrolyte structure. Under operating conditions, a dense electrolyte and metal oxide sub-layer exist on the oxidized side (cathode side); while the other side of the electrolyte (reducing side) is made of a porous sub-layer containing transition metal. The tailoring of the amounts of metal present in the anode and the cermet electrolyte allows for greater power output and enhanced electrochemical performance, while maintaining the structural integrity and reliability of the SOFC.

The present invention provides an NOx purifying catalyst that removes NOx with sufficient efficiency even under low temperature operation such as diesel engine automobiles. An NOx purifying catalyst for processing NOx in exhaust gas by rich/lean control of the air-fuel ratio of the exhaust gas, includes a first catalytic layer containing β-zeolite having iron and/or cerium elements, and a second catalytic layer including a noble metal and cerium oxide-based material; in which the second and the first catalytic layers are coated on a support in that order so that the first catalytic layer is the uppermost layer. The NOx purifying catalyst purifies NOx as showed in Reaction Formulations (1) to (4).

Lean condition 1: NO+½O₂−>NO₂  (1)

Rich condition: CO+H₂O−>CO₂  (2)

NO_x+H₂−>NH₃  (3)

Lean condition 2: NO_x+NH₃+O₂−>N₂+H₂O   (4)

The invention discloses a deep treatment method for cyanide-containing waste water of a tailings pond in the gold industry. The process adopts an ozone oxidation method, a catalytic oxidation method and a biological treatment method to collectively deeply treat the cyanide-containing waste water of the tailings pond in the gold industry. Through the combination of the three methods, a good treatment effect on the cyanide, thiocyanate, arsenic and heavy metals is good, the content of the cyanide after being treated is less than or equal to 0.05mg/L, the content of ammonia and nitrogen after being treated is less than 1mg/L, and other pollutants after being treated can meet the requirement of the ground surface water grade-B water quality standard. The method is used for treating the cyanide-containing waste water of the tailings pond in the gold industry, the treatment effect on the cyanide, the COD, As and heavy metals is good, the heavy metals such as the gold and silver as well as other metal resource can be recovered, and the secondary pollution caused by the ammonia and nitrogen can be avoided. By adopting the deep treatment method for the cyanide-containing waste water of the tailings pond, a good environment, a good economic benefit and a good social benefit can be achieved.

A heavy oil is hydrorefined using a hydrorefining catalyst. A spent hydrorefining catalyst whose activity has decreased is heat treated (S1) and pulverized to obtained a regenerated powder (S2). This regenerated powder is fractionated according to its metal content (S3), formed (S6), dried (S7), and calcined (S7) to manufacture a regenerated catalyst whose volume of pores with a diameter of 50 to 2000 nm is at least 0.2 ml/g, and whose volume of pores with a diameter over 2000 nm is no more than 0.1 mL/g. Using this regenerated catalyst, a heavy oil containing at least 45 wt ppm vanadium and nickel as combined metal elements is hydrodemetalized, and the vanadium and nickel are recovered from the used regenerated catalyst (SS1). Through hydrorefining, the metal components are recovered more efficiently, and the spent catalyst can be reused to manufacture a regenerated catalyst that exhibits high reaction activity.

A process for preparing a catalyst precursor includes, in a first preparation step, impregnating a particulate catalyst support with an organic metal compound in a carrier liquid. The metal of the organic metal compound is an active catalyst component. An impregnated intermediate is formed, and is calcined to obtain a calcined intermediate. Thereafter, in a second preparation step, the calcined intermediate from the first preparation step is impregnated with an inorganic metal salt in a carrier liquid. The metal of the inorganic metal salt is an active catalyst component. An impregnated support is obtained, and is calcined, to obtain the catalyst precursor. The metal is in particular cobalt. The precursor is reduced, in particular with hydrogen, to obtain the active catalyst. Also claimed is a process for the hydrogenation of CO, as well as a process for the hydrogenation of an organic compound using the so-prepared catalyst.

The invention relates to a special device for the purification of diesel exhaust gases, which device comprises, in the flow direction of the exhaust gas, an oxidation catalyst, a diesel particle filter with catalytically active coating, and, downstream of a device for introducing a reducing agent from an external reducing agent source, an SCR catalyst. The oxidation catalyst and the catalytically active coating of the diesel particle filter contain palladium and platinum. The ratio of the noble metals platinum and palladium in the overall system and on the individual components, oxidation catalyst and catalytically coated diesel particle filter, are coordinated with one another in such a way as to obtain firstly an optimum NO/NO₂ ratio in the exhaust gas upstream of the downstream SCR catalyst, and secondly optimum heating and HC conversion behaviour during an active particle filter regeneration.

The invention provides a metal-nitrogen carbon material precursor with atomic-scale dispersed metal. Based on the total weight of the metal-nitrogen carbon material precursor, the content of N is 25 to 35 weight percent and the content of the metal is 0.1 to 1.3 weight percent, wherein the metal is one or more of transition metal or noble metal. The precursor is formed through self-polymerizing aformamide solution of metal salt. After the precursor is roasted in an inert atmosphere at high temperature, a metal-nitrogen carbon material with the atomic-scale dispersed metal is obtained; based on the total weight of the metal-nitrogen carbon material, the content of the N is 4 to 7 weight percent and the content of the metal is 0.3 to 8 weight percent. The precursor and the metal-nitrogen carbon material can be used as an electrochemical catalyst. A preparation method provided by the invention is simple and easy to operate and has economical cost and the preparation efficiency of the atomic-scale dispersed metal-nitrogen carbon material is high.

The invention provides an atmospheric and vacuum distillation device and an atmospheric and vacuum distillation method of high acid-content crude oil. The device comprises an atmospheric tower, an atmospheric kiln, a vacuum tower and a vacuum kiln, wherein the atmospheric tower comprises a tower body, a tower tray and stuffing. The tower tray of the atmospheric tower has more than 40 layers, wherein the tower body of the atmospheric tower between the 40th layer of the tower tray and the tower top is made of metallic composite of one or a plurality of Monel, 0Cr13, 316L, SAF2205, SAF2507 and SAF 2304 and carbon steel, the tower tray is made of one or a plurality of Monel, 0Cr13, 316L, SAF2205, SAF2507 and SAF 2304, the tower body of the atmospheric tower between the tower bottom and the 40th layer of the tower tray is made of metallic composite of 316 L and carbon steel, the tower trays from the 28th layer to the 39th layer are made of 0Cr13 material and the tower trays from the first layer to the 28th layer are made of 316L. The atmospheric and vacuum distillation device effectively solves the problem of device corrosion in the atmospheric and vacuum distillation of high acid-content crude oil.

A supported particulate cobalt catalyst is formed by dispersing cobalt, alone or with a metal promoter, particularly rhenium, as a thin catalytically active film upon a particulate support, especially a silica or titania support. This catalyst can be used to convert an admixture of carbon monoxide and hydrogen to a distillate fuel constituted principally of an admixture of linear paraffins and olefins, particularly a C10+ distillate, at high productivity, with low methane selectivity. A process is also disclosed for the preparation of these catalysts.

The invention relates to a method for preparing a mesoporous molecular sieve Fe-MCM-41 with high iron content. In the method, the problem that iron is easily aggregated to generate a precipitate in the process of synthesizing the molecular sieve is solved by controlling the pH value in the synthesis process, an iron atom is directly introduced into a framework of the MCM-41 molecular sieve under the mild hydrothermal synthesis condition, and the Fe-MCM-41 molecular sieve with the iron content of 10 percent is successfully synthesized. The mesoporous molecular sieve material with the high iron content has a regular structure, a uniform pore size, large specific surface area and pore volume and high heat stability.

The invention discloses a preparation method for high-performance conducting copper slurry. The preparation method includes the steps of firstly, dissolving copper precursor and surface protective agent in organic solvent to obtain reaction liquid A; dissolving reducing agent in organic solvent to obtain reaction liquid B; secondly, feeding reaction liquid A and B into a micro-reactor respectively through a delivering pump, and mixing for reaction; thirdly, adding precipitator to reaction liquid obtained in the second step, separating by filtering or centrifuging, and cleaning obtained precipitate; and fourthly, dispersing cleaned precipitate with non-polar or weak-polar solvent to obtain the high-performance conducting copper slurry. The conducting copper slurry obtained by the preparation method requires low thermal treatment temperature after printing, and is high in metal content which can exceed 60%.

The present invention provides a new and improved color concentrate comprising from about 5% to about 20% by weight metal particles component, from about 1% to about 15% by weight colorant material and from about 60% to about 90% by weight thermoplastic polymer. The metal particles component comprises aluminum particles having an undefined configuration and an average particle size of from about 75 mum to about 150 mum. The concentrate can be utilized to color thermoplastic polymers and produce a high metallic effect.

The invention relates to a novel technics for separating metal materials from non-metallic materials by crushing the composite materials. The composite materials containing metal and non-metallic materials is first transmitted through manual force or a belt transmission device into a crusher and is broken into coarse materials which are transmitted into a breaking and separating host through a cyclone separator, a coarse material storage hopper and a spiral feeder; the bottom of the breaking and separating host recycles the metal powder, while the top of the breaking and separating host is used for transmitting powder with the metal powder as the main constituent; the powder is then underwent a series processions such as transmission, multi-stage separation, grading, dust removal, recycling and waste gas purification through a grader, a crushing system cyclone separator, a pulse cartridge dust collector, a high-pressure fan, a waste gas treatment washing tower and a negative-pressure pipeline. The novel technics provided by the invention has optimized procession, energy conservation and consumption reduction, large capacity, high metal recovery, environmental protection and significant economic benefits.

A new electroless plating approach to generate a porous metallic coating is described in which a metal is electrolessly deposited on a surface. Microparticles in the metal are removed to leave pores in the metal coating. Another method of forming electroless coatings is described in which a blocking ligand is attached to the surface, followed by a second coating step. The invention includes coatings and coated apparatus formed by methods of the invention. The invention also includes catalyst structures comprising a dense substrate and a porous metal adhered to the dense substrate, which is further characterized by one or more of the specified features.

The invention relates to a lightweight treatment process of heavy oil. The lightweight treatment process comprises the following steps: cracking heavy oil into micromolecules under action of a catalyst; then, partly removing carbon deposited on the surface of the catalyst by virtue of gasification reaction; and finally, removing the residual carbon on the surface of the catalyst by virtue of combustion to realize regenerating catalyst. The process can be used for realizing lightweight and high-value utilization of heavy oil, is wide in adaptation to raw material oil, capable of processing heavy oil with high residual carbon content, high sulfur nitrogen content and high heavy metal content to obtain high-value lightweight distillate oil, and capable of producing a synthesis gas by removing coke on the surface of the catalyst by virtue of gasification and combustion, so that energy is provided for the system and regeneration recycling of the catalyst is realized.

The invention relates to successful preparation of a Co-MOF-71 nano-material. According to the invention, preparation process conditions are optimized; the prepared Co-MOF-71 nano-material is uniform in crystal grain size and has good stability; and when Co utilizes the acidic catalysis reaction of MOF framework metal ions, the metal ions are active sites and the supporting points of a framework, and metal ions undergo coordination in the process of catalysis. The prepared Co-MOF-71 material has high metal content and completely exposed metal sites; more Lewis acid site Co-MOF-71 materials can be provided; and the material is beneficial for total activation of reactant molecules and has good catalytic activity.

The high-power pack semiconductor module (1) comprises a layer (3, 4), which is brought into direct contact with one or both of the main electrodes of the Si semiconductor chip, (2), said layer being made of a metal matrix composite material whose coefficient of thermal expansion can be tailored to a value either close or matching that of Si.

The present invention provides a new and improved color concentrate comprising from about 10% to about 30% by weight metal particles component, from about 1% to about 15% by weight colorant material and from about 60% to about 90% by weight thermoplastic polymer. The metal particles component comprises aluminum particles having both a spherical and a lenticular shape. The concentrate can be utilized to color thermoplastic polymers and produce a matte metallic effect.

The invention relates to a high-dielectric constant metal/ceramic/polymer composite material and a method for producing an embedded capacitor. As ceramic particles having a relatively small size are bound to the surface of metal particles having a relatively large size by mixing, the occurrence of percolation can be prevented without coating the metal particles, and at the same time, the capacitance of an embedded capacitor can be increased. In addition, a process for coating the surface of the metal particles can be omitted, thus contributing to the simplification of the overall preparation procedure.