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Cheng F.,University of Leeds | Dupont V.,University of Leeds | Twigg M.V.,TST Ltd.
Applied Catalysis B: Environmental | Year: 2017

The effects of temperature and S/C on the reduction extent and kinetics of a steam reforming NiO/α-Al2O3 catalyst were systematically investigated using five bio-compounds commonly produced during the fermentation, pyrolysis and gasification processes of biomass (acetic acid, ethanol, acetone, furfural and glucose). Reduction was also performed with methane and hydrogen for comparison. Kinetic modelling was applied to the NiO conversion range of 0–50% using the Handcock and Sharp method. The two-dimensional nuclei growth model (A2) was found to fit very well except for glucose. For all the bio-compounds, the apparent activation energy of NiO reduction was between 30 and 40 kJ/mol. Their pre-exponential factors decreased in this order: CH4 > ethanol ≈ acetone > acetic acid > furfural > glucose, probably due to the different activities of reducing species they produced. Optimal molar steam to carbon ratios for reduction kinetics were found between 1 and 2. © 2016


News Article | April 17, 2017
Site: www.prweb.com

Sometimes it can be difficult to get a baby to calm down or keep him or her occupied, so an inventor from Tucson, Ariz., decided to think of a way to solve these problems. Eventually he came up with the patent-pending BABY GO ROUND. This improved baby chair provides a way to make a baby more comfortable and calm. It entertains and soothes the baby, which also makes life easier for parents and guardians. Overall, it promotes peace and enjoyment. Versatile and easy to use, the BABY GO ROUND serves as an alternative to conventional baby chair, and it's ideal for parents and guardians of babies, as well as daycare centers. The original design was submitted to the Tucson office of InventHelp. It is currently available for licensing or sale to manufacturers or marketers. For more information, write Dept. 16-TST-305, InventHelp, 217 Ninth Street, Pittsburgh, PA 15222, or call (412) 288-1300 ext. 1368. Learn more about InventHelp's Invention Submission Services at http://www.InventHelp.com - https://www.youtube.com/user/inventhelp # # #


BoardEx also recently introduced a Private Equity Module to surface key information about the senior management of PE firms and their portfolio companies. This feature enables users to map the connections that exist in the Private Equity sector and provide client firms with greater connectivity to the PE market.  The Private Equity Module allows transparency into the growing PE market, in addition to all public companies that BoardEx specializes in. "TheStreet has upgraded BoardEx to include connections within both the dealmaking and investment communities," said Jeff Davis, President of Institutional Services. "This type of data will be particularly useful to law firms and investment banks as they strive for more transparency around deal relationships." BoardEx is the most comprehensive, continuously-growing influencer database, globally. Within the platform, users can surface more than 800 million first degree connections between themselves, their colleagues and the industry's most extensive coverage of senior leaders – c-suite, board members, high level management and decision makers. The data is monitored daily, with millions of updates each year to employment, achievement, education and membership status. For more information about BoardEx, visit boardex.com. About TheStreet, Inc. TheStreet, Inc. (NASDAQ: TST, www.t.st) is a leading financial news and information provider to investors and institutions worldwide. The Company's namesake brand, TheStreet (www.thestreet.com), is celebrating its 20th year of producing unbiased business news and market analysis for individual investors. The Company's portfolio of institutional brands includes The Deal (www.thedeal.com), which provides actionable, intraday coverage of mergers, acquisitions and all other changes in corporate control; BoardEx (www.boardex.com), a relationship mapping service of corporate directors and officers; and RateWatch (www.rate-watch.com), which supplies rate and fee data from banks and credit unions across the U.S. To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/boardex-expands-data-set-to-include-ma-advisor-to-advisor-connections-and-a-new-private-equity-module-300451457.html


News Article | April 17, 2017
Site: www.prweb.com

While sports fans continue to support their favorite teams by attending their games, they rarely do so without having food and beverages as part of the celebration. In fact, the ever popular tailgate party can be more fun than the game itself. That’s exactly why an inventor from Casa Grande, Ariz., came up with an easy way to guarantee the success of the tailgate party. She developed ULTIMATE TAILGATOR to allow user to prepare foods for an outdoor venue like a picnic, concert or sporting event in advance. She designed it to also keep perishable and nonperishable foods separated. What’s more, it provides multiple compartments for storing ice, food and beverages while keeping foods sanitary and protecting them against spoilage. Of special note is a unique feature of this cooler that enables the user to grill as well as store food. This invention is also lightweight, portable and easy to transport. In addition, it is convenient, effective and affordably priced. The inventor’s personal experience inspired the idea. “While I enjoy picnics and tailgate parties, these outdoor venues require advance planning and preparation of food, drinks and supplies that have to be carried there,” she said. “I wanted to find an easy way to transport everything in one cooler.” The original design was submitted to the Woodbridge office of InventHelp. It is currently available for licensing or sale to manufacturers or marketers. For more information, write Dept. 15-TST-272, InventHelp, 217 Ninth Street, Pittsburgh, PA 15222, or call (412) 288-1300 ext. 1368. Learn more about InventHelp's Invention Submission Services at http://www.InventHelp.com - https://www.youtube.com/user/inventhelp # # #


Jee S.-W.,Hoseo University | Lee C.-H.,Hoseo University | Kim S.-K.,Hoseo University | Lee J.-J.,TST Co. | Kim P.-Y.,TST Co.
Fire Technology | Year: 2014

Many countries use conventional fire alarm control panels (FACPs) and conventional detectors as fire alarm systems (FASs) because of economic advantages. This study analyzes several problems with conventional FASs and describes an advanced FAS, the traceable FAS, that we developed to solve these problems. The traceable FAS can trace the exact location of a fire, can detect multiple fires that occur simultaneously, and can be used with conventional detectors without disrupting the other detectors operation. The traceable FAS consists of a traceable FACP based on the conventional FACP and a traceable heat detector based on the rate-of-rise spot-type conventional heat detector. The new system offers traceability in addition to all the features of the conventional FAS. The traceable FACP has 40 zones; one zone can connect up to 20 traceable heat detectors. Thus, this FACP can connect up to 800 traceable heat detectors, all of which can detect and trace exact fire locations in sequence. Furthermore, the traceable FACP can be used with both traceable heat detectors and conventional heat detectors in the same zone. Even if one detector (either traceable heat detector or conventional heat detector) detects a fire first, other traceable heat detectors in the same zone can also detect it and display the results on the traceable FACP. Prototypes of the traceable FACP and traceable heat detector (rate-of-rise spot-type) have officially received model approvals for use in South Korea. Conventional FASs can be upgraded to traceable FASs simply by changing to the traceable FACP and traceable heat detectors, without any rewiring. © 2012 Springer Science+Business Media New York.


Swanson J.,University of Cambridge | Kittelson D.,University of Minnesota | Giechaskiel B.,AVL List GmbH | Bergmann A.,AVL List GmbH | Twigg M.,TST Ltd
SAE International Journal of Fuels and Lubricants | Year: 2013

The European Emissions Stage 5b standard for diesel passenger cars regulates particulate matter to 0.0045 g/km and non-volatile part/km greater than 23 nm size to 6.0u{double grave}1011 as determined by the PMP procedure that uses a heated evaporation tube to remove semi-volatile material. Measurement artifacts associated with the evaporation tube technique prevents reliable extension of the method to a lower size range. Catalytic stripper (CS) technology removes possible sources of these artifacts by effectively removing all hydrocarbons and sulfuric acid in the gas phase in order to avoid any chemical reactions or re-nucleation that may cause measurement complications. The performance of a miniature CS was evaluated and experimental results showed solid particle penetration was 50% at 10.5 nm. The sulfate storage capacity integrated into the CS enabled it to chemically remove sulfuric acid vapor rather than rely on dilution to prevent nucleation. Sulfuric acid re-nucleation was not observed until the challenge concentration was higher than 10 mg/m3. Additionally, the CS fully removed monodisperse tetracontane particles as large as 220 nm at a concentration of 10,000 part/cm3. A prototype "CS VPR" was constructed using the miniature CS and preliminary measurements from a field study are reported. Copyright © 2013 SAE International.


Swanson J.,University of Cambridge | Kittelson D.,University of Minnesota | Giechaskiel B.,AVL List GmbH | Bergmann A.,AVL List GmbH | Twigg M.,TST Ltd
SAE Technical Papers | Year: 2013

The European Emissions Stage 5b standard for diesel passenger cars regulates particulate matter to 0.0045 g/km and non-volatile part/km greater than 23 nm size to 6.0×1011 as determined by the PMP procedure that uses a heated evaporation tube to remove semi-volatile material. Measurement artifacts associated with the evaporation tube technique prevents reliable extension of the method to a lower size range. Catalytic stripper (CS) technology removes possible sources of these artifacts by effectively removing all hydrocarbons and sulfuric acid in the gas phase in order to avoid any chemical reactions or re-nucleation that may cause measurement complications. The performance of a miniature CS was evaluated and experimental results showed solid particle penetration was 50% at 10.5 nm. The sulfate storage capacity integrated into the CS enabled it to chemically remove sulfuric acid vapor rather than rely on dilution to prevent nucleation. Sulfuric acid re-nucleation was not observed until the challenge concentration was higher than 10 mg/m 3. Additionally, the CS fully removed monodisperse tetracontane particles as large as 220 nm at a concentration of 10,000 part/cm3. A prototype CS VPR was constructed using the miniature CS and preliminary measurements from a field study are reported. Copyright © 2013 SAE International.


Dupont V.,University of Leeds | Twigg M.V.,TST Ltd | Rollinson A.N.,University of Nottingham | Jones J.M.,University of Leeds
International Journal of Hydrogen Energy | Year: 2013

The thermodynamic effects of molar steam to carbon ratio (S:C), of pressure, and of having CaO present on the H2 yield and enthalpy balance of urea steam reforming were investigated. At a S:C of 3 the presence of CaO increased the H2 yield from 2.6 mol H2/mol urea feed at 940 K to 2.9 at 890 K, and decreased the enthalpy of bringing the system to equilibrium. A minimum enthalpy of 180.4 kJ was required to produce 1 mol of H2 at 880 K. This decreased to 94.0 kJ at 660 K with CaO-based CO2 sorption and, when including a regeneration step of the CaCO 3 at 1170 K, to 173 kJ at 720 K. The presence of CaO allowed widening the range of viable operation at lower temperature and significantly inhibited carbon formation. The feasibility of producing H2 from renewable urea in a low carbon future is discussed. Copyright © 2013, Hydrogen Energy Publications, LLC.


Nahar G.,University of Leeds | Dupont V.,University of Leeds | Twigg M.V.,TST Ltd | Dvininov E.,MEL Chemicals
Applied Catalysis B: Environmental | Year: 2015

The catalytic steam reforming of biodiesel was examined over Ni-alumina and Ni-ceria-zirconia catalysts at atmospheric pressure. Effects of temperatures of biodiesel preheating/vaporising (190-365°C) and reforming (600-800°C), molar steam to carbon ratio (S/C=2-3), and residence time in the reformer, represented by the weight hourly space velocity 'WHSV' of around 3 were examined for 2h. Ni supported on calcium aluminate and on ceria-zirconia supports achieved steady state hydrogen product stream within 90% of the equilibrium yields, although 4% and 1% of the carbon feed had deposited on the catalysts, respectively, during the combined conditions of start-up and steady state. Addition of dopants to ceria-zirconia supported catalyst decreased the performance of the catalyst. Increase in S/C ratio had the expected positive effects of higher H2 yield and lower carbon deposition. © 2015.


M-5

Trademark
Tst Inc. | Date: 2014-04-09

cast aluminum plate, aluminum alloy and aluminum sand castings, jig plate, tooling plate, mold block, tool and jig plate, cast tool and jig plate, mold plate.

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