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IVAN RODRIGUEZ ROSELLOUNIVERSIDAD DE ALICANTEIVAN RODRIGUEZ ROSELLO posted this:
Licensing Manager at UNIVERSIDAD DE ALICANTE
UNIVERSIDAD DE ALICANTEUNIVERSIDAD DE ALICANTEUNIVERSIDAD DE ALICANTE
Research & Technology Organization
UNIVERSIDAD DE ALICANTE posted this:
Noble metal-free ceria-based diesel soot combustion catalyst, suitable for gas purification in Diesel engine exhaustsThe developed catalyst does not use Pt, which leads to a cheaper product. The resulting catalyst shows equal or even better performance as Pt catalysts. Following the patented procedure of synthesis, the catalyst produced has a lower particle size. This leads to higher surface per particle and therefore, a better ratio yield when interacting in oxidation reactions, leading to a higher oxygen production rate.
Centre Technology Transfer CITTRUCentre Technology Transfer CITTRUCentre Technology Transfer CITTRU posted this:
The new oxide catalysts for the removal of nitrogen oxides originating from stationary emission sources.The experiments carried out with the assistance of these catalysts showed a high conversion efficiency of nitric oxide to nitrogen at relatively low temperatures – up to 100%. Designed reactor allows the direct removal of nitric oxide from the exhaust gases via the efficient decomposition of nitric oxide and, at the same time, systematic removal of carbon particles and other solid particles.
UATEC - Unidade de Transferência de TecnologiaUATEC - Unidade de Transferência de TecnologiaUATEC - Unidade de Transferência de Tecnologia posted this:
Planar diamond thermistors for harsh environments: applied to temperature measurements in combustion and jet engines for the automobile and aerospace industry, lasers, fuel cells and in biological and aggressive chemical environmentsThe new diamond thermistors can be used for temperature measurements in harsh environments such as aggressive chemicals at high temperature or in biological media due to their inertness. Furthermore, the sintered ceramic substrate guarantees superior adhesion and resistance to fracture under high mechanical loads. The fabricated temperature sensitive diamond surface comprises well adhered ohmic contacts deposited on the backside of the dielectric ceramic substrate. This configuration prevents interaction between the temperature sensitive surface and the surrounding environment which is essential for biochemical devices applications. Furthermore, the planar geometry of the disclosed thermistor maximizes the contact region between the temperature sensitive surface and any solid flat surface on which it is placed. In this way, improved response times are obtained comparing to traditional round shaped thermistors. UNIVERSIDAD DE ALICANTEUNIVERSIDAD DE ALICANTEUNIVERSIDAD DE ALICANTE
Research & Technology Organization
UNIVERSIDAD DE ALICANTE posted this:
“No-Noble-Metal” Catalytic trap to remove Hydrocarbons, NOx and CO emissions from combustion enginesBasically, the catalytic trap bed is composed of a zeolite with a Si/Al ratio between 10 and 20. The zeolite is partially interchanged with cations of one or several non-noble metals. In order to achieve an optimum performance of the catalytic trap, these metals should be interchanged in the internal zeolite structure, and never on its external surface. In this way, the outflow of the exhaust gases passes through the catalytic trap bed to adsorb the HC at low temperatures. The material has been developed at laboratory scale. Different compositions of this material have been tested with simulated streams of internal combustion engines (cold starts). As a result, the material is able to reduce HC emissions in internal combustion engines operating with both mixtures almost stoichiometric and low fuel mixtures. The main difference between this invention and other existing materials is that this catalytic trap avoids any element or additional layer composed of an oxidation catalyst based on noble metals. Consequently, HC emissions could be totally removed through a single bed without using high-cost materials (noble metals) or further stream treatments. This fact allows the catalytic trap to be placed in any position according to the different control systems employed for decreasing other pollutant emissions existing in the gases stream, since the total elimination of HC takes place on the catalytic trap. Thus, this technology development results in a solid material where coexists metal(s) and protons in an optimum ratio inside of the zeolite channels, leading to a system that can act as a HC trap and as an oxidation catalyst in only a single bed, during the whole cold start cycle. The main innovative aspect of this catalytic trap is that the adsorbent material can capture the hydrocarbons in the cold start of the engine and oxidize gases during its warmed-up operating conditions without using noble metals, which are frequently used as oxidation catalyst. At high temperatures, this material is able to carry out total oxidation of both hydrocarbons retained by the catalytic trap and those present in the exhaust gas stream. Consequently, the resulting gas stream released to the atmosphere is innocuous in hydrocarbons. • Noble metals are not used. • Structural advantages, since the control systems are simplified and pollutants in internal combustion engines are reduced. • Economic benefits (The price of noble metal is approximately 100 times more expensive than the materials employed by the researchers). • The catalytic trap can be placed in any position with regard to different control systems. • Besides its hydrocarbon trapping role, the system can also act as oxidation catalyst during the cold-start cycle.
InKemia Green Chemicals, Inc.InKemia Green Chemicals, Inc.InKemia Green Chemicals, Inc. posted this:
Identification of high performance green solventsInKemia Green Chemicals has developed one of the world’s largest greener and safer solvent libraries containing hundreds of solvent solutions. We can work with you to address your challenges related to solvent performance by identifying an alternative green solvent that allows for enhanced performance or integrating an alternative solvent into a commercial product or process.
