Abstract:
Described herein is a selective catalytic reduction (SCR) filter that includes a substrate that includes a first surface on a first side of the substrate and second surface on a second side of the substrate. The SCR filter further includes a semi-permeable membrane applied to the first surface. Additionally, the SCR filter includes an SCR washcoat applied to the second surface.
Abstract:
NH3—SCR catalyst, containing iron promoted beta-zeolite, cerium oxide and titanium oxide and optionally further containing at least one of tungsten oxide, neodymium oxide, silicon oxide and diatomaceous earth, and method of preparation thereof.
Abstract:
The present invention relates to a method for producing a shell catalyst that is suitable for producing vinyl acetate monomer (VAM). The present invention also relates to a shell catalyst that can be obtained by the method according to the invention as well as the use of the shell catalyst according to the invention for producing VAM.
Abstract:
The present invention relates to fabrication and application of compositions, devices, methods and systems for utilizing radiation more efficiently as compared to known systems. A synthesis method provides deposition of titania on a substrate without the use of an electrochemical reaction. An integrated architecture formed by the method of the present invention is comprised of vertically-oriented, one-dimensional, monocrystalline, n-type anatase nanowires in communication with a common transparent conductive substrate, and which are intercalated with a consortia of p-type quantum dots tuned for absorption of infrared and other radiation.
Abstract:
The present invention relates to a catalytic composition comprising a noble metal on an acidic tungsten-containing mixed oxide, a method for producing the catalytic composition and the use of the catalytic composition as oxidation catalyst. The invention further relates to a catalyst shaped body, which has the catalytic composition on a support, a washcoat containing the catalytic composition according to the invention and the use of the washcoat to produce a coated catalyst shaped body.
Abstract:
A catalyst comprising: (a) a first layer comprising an oxidizing catalyst having an effective PGM loading such that oxidation of hydrocarbons generates sufficient heat to regenerate soot, wherein said effective amount of PGM is greater than about 10 g/ft3; and (b) a second layer adjacent to said first layer and comprising a reducing catalyst to selectively reduce NOx.
Abstract translation:一种催化剂,包括:(a)包含具有有效PGM负载的氧化催化剂的第一层,使得烃的氧化产生足够的热量以再生烟灰,其中所述有效量的PGM大于约10g / ft 3; 和(b)与所述第一层相邻的第二层,并且包括选择性还原NOx的还原催化剂。
Abstract:
The present invention relates to growth of vertically-oriented crystalline nanowire arrays upon a transparent conductive or other substrate for use in 3rd generation photovoltaic and other applications. A method of growing crystalline anatase nanowires includes the steps of: deposition of titania onto a substrate; conversion of the titania into titanate nanowires; and, treatment of the titanate nanowires to produce crystalline anatase nanowires.
Abstract:
A catalyst unit may include a first brick having a first noble metal layer formed along an exhaust gas passage thereof and being disposed on a space that an exhaust gas flow rate may be a predetermined rate, a second brick being disposed onto the first brick and having a second noble metal layer formed along an exhaust gas passage thereof, wherein the second brick may be disposed on a space that an exhaust gas flow rate may be lower than the predetermined rate, and wherein the first brick and the second brick may be attached together to fix the second brick onto the first brick.
Abstract:
Disclosed are a method for producing a carbon nanotube (CNT) whereby, in the local synthesis of CNTs, a high resolution, a low cost, easiness in production and mass production capability can be established at the same time; and a two-dimensionally patterned CNT obtained thereby. Specifically disclosed are a method for producing a two-dimensionally patterned CNT which comprises: A) a step for preparing a substrate; B) a step for forming a first two-dimensional pattern, which consists of hydrophobic surface and hydrophilic surface, on the substrate by means of 1) masking and electromagnetic wave irradiation, or 2) electron beam irradiation; C) a step for applying a catalyst-containing solution to the substrate having the first two-dimensional pattern and forming a second two-dimensional pattern depending on the presence or absence of the catalyst; and D) a step for forming by ACCVD a two-dimensional pattern of the CNT on the thus obtained substrate; a substrate; and a structure comprising a two-dimensionally patterned CNT on the aforesaid substrate.
Abstract:
A honeycomb structure includes a first end face, a second end face, a honeycomb unit, and an ammonia adsorbing material. The second end face is located opposite to the first end face along a longitudinal direction of the honeycomb structure. The honeycomb unit has plural cell walls extending along the longitudinal direction from the first end face to the second end face to define plural cells. The cell walls include a NOx adsorbing material and an inorganic binder. The ammonia adsorbing material is supported on the cell walls. An amount of the ammonia adsorbing material supported on the cell walls is varied between the first end face and the second end face.