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... not to do special deals with the telecoms monolith Ready, willing, disabled ... Top 20: Drama Productions Sick man of health insurance revives PPP has ...
1995 - Gale Group | TDA
Shane Lawson, Kyle Newport, Qasim Al‐Naddaf, Alechine E. Ameh, Ali A. Rownaghi, Leslie Petrik, Fateme Rezaei,
3D printing has emerged as an attractive way of formulating structured adsorbents, as it imparts lower manufacturing costs compared to hydraulic extrusion while also allowing for unprecedented geometric control. However, binderless structures have not been fabricated by 3D printing, as ink formulation has previously required clay binders which cannot be easily removed. In this study, we report the development of a facile approach to shape engineer binderless zeolites. 3D-printed inks comprised of ...
Tópico(s): Catalytic Processes in Materials Science
2020 - Elsevier BV | Chemical Engineering Journal
Stefania Marano, S. A. Barker, Bahijja Tolulope Raimi‐Abraham, Shahrzad Missaghi, Ali R. Rajabi‐Siahboomi, Duncan Q.M. Craig,
... dispersion is explored as an alternative approach to monolith production methods. A temperature-controlled solvent-free centrifugal spinning ...
Tópico(s): Advanced Drug Delivery Systems
2016 - Elsevier BV | European Journal of Pharmaceutics and Biopharmaceutics
Telma Barroso, Abid Hussain, Ana Cecília A. Roque, Ana Aguiar‐Ricardo,
... antibody purification. The materials and methods employed in monolith production are discussed, highlighting the properties of each system. ...
Tópico(s): Microfluidic and Capillary Electrophoresis Applications
2013 - Wiley | Biotechnology Journal
N.I. Haddad, R. Lawrie, Simon M. Eldridge,
This soil monolith production method, initially developed in the late 1990s, has now been successfully applied to over 100 soil profiles, dealing ...
Tópico(s): Clay minerals and soil interactions
2009 - Elsevier BV | Geoderma
Oksana Zaushitsyna, Tarek Dishisha, Rajni Hatti‐Kaul, Bo Mattìasson,
... consumption, and 3HPA (extracellular), 3HP and 1,3PDO production, respectively. Under optimal conditions using monolith operated as continuous plug flow reactor, 19.7g/ ...
Tópico(s): Biofuel
2016 - Elsevier BV | Journal of Biotechnology
П. М. Пахомов, A. A. Pogudkina, I. N. Mezheumov, S. D. Khizhnyak, А. И. Иванова, Р. М. Гречишкин, V. P. Galitsyn,
Tópico(s): Epoxy Resin Curing Processes
2014 - Springer Science+Business Media | Fibre Chemistry
Jing Gao, Kai Feng, Hongwu Li, Yanjun Jiang, Liya Zhou,
... sp. 99-125 was immobilized on porous ceramic monoliths for the production of sugar-derived oil gelling agent.
Tópico(s): Carbohydrate Chemistry and Synthesis
2015 - Royal Society of Chemistry | RSC Advances
Adewale George Adeniyi, Kingsley O. Iwuozor, Ebuka Chizitere Emenike, Patience A. Sagboye, Kehinde Temitope Micheal, Taiwo Temitayo Micheal, Oluwaseyi D. Saliu, R. Kermode James,
... and commercialization potential of biomass-based activated carbon monoliths. The review covers the various production routes for these monoliths and how process variables affect their yield, textural, morphological, elemental, mechanical, and electrical properties. The basic steps used in their production include pre-treatment, activation, carbonization, pelletization, or moulding. Notably, carbonization and activation were consistently employed, regardless of the synthesis route explored. The highest reported yield (45.1%) was obtained for a coconut shell-based monolith. Biomass-based activated carbon monoliths have demonstrated diverse ...
Tópico(s): Electrocatalysts for Energy Conversion
2023 - Elsevier BV | Journal of Cleaner Production
Muhammad Usman Azam, Muhammad Tahir, Muhammad Umer, Mohammad Jaffar, Mohd Nawawi,
... phase photoreactor. Also, stability comparison of slurry and monolith photoreactor for hydrogen production reveals, reusability of La/TiO2 loaded over monolithic ... enhanced efficiency of catalyst can be obtained using monolith photoreactor for photocatalytic H2 production compared to suspended slurry system and can be ...
Tópico(s): Catalytic Processes in Materials Science
2019 - Elsevier BV | Applied Surface Science
Koei Kawakami, Yasuhiro Oda, Ryo Takahashi,
... evaluate the performance of a lipase-immobilized silica monolith bioreactor in the continuous production of biodiesel.The Jatropha oil used contained 18% ... and its immobilization support, n-butyl-substituted silica monolith, was effective in the production of biodiesel. This procedure is easily applicable to ...
Tópico(s): Algal biology and biofuel
2011 - Springer Science+Business Media | Biotechnology for Biofuels
Qinhong Wei, Guohui Yang, Xinhua Gao, Noriyuki Yamane, Peipei Zhang, Guoguo Liu, Noritatsu Tsubaki,
... employed hydrothermal conditions. The Ni/S-1/SiC monolith catalyst was employed for syngas production in a combined reforming reaction consisting of CO2 dry reforming of methane (CDRM) and partial oxidation of CH4 (POM). Activity results indicated that the Ni/S-1/SiC monolith catalyst exhibited better catalytic activity than Silicalite-1 ...
Tópico(s): Catalysis and Hydrodesulfurization Studies
2017 - Elsevier BV | Chemical Engineering Journal
Soraya Hosseini, Jidon Janaun, Thomas Shean Yaw Choong,
... refineries, was utilized as oil source in biodiesel production. The esterification reaction subjected to different reaction conditions was performed by using the sulfonated carbon coated monolith as heterogeneous catalyst. The sulfonation process had been ...
Tópico(s): Catalysis for Biomass Conversion
2015 - Elsevier BV | Process Safety and Environmental Protection
Fumihidé Shiraishi, Koei Kawakami, Seiji Kono, Akihiko Tamura, Satoshi Tsuruta, Koichiro Kusunoki,
... 3290 was immobilized by adsorption on ceramic honeycomb monolith and continuous production of free gluconic acid from glucose was performed ...
Tópico(s): biodegradable polymer synthesis and properties
1989 - Wiley | Biotechnology and Bioengineering
Jung-Il Yang, Jae-Hong Ryu, Kwan‐Young Lee, Nam-Jo Jung, Ji Chan Park, Dong Hyun Chun, Hak Joo Kim, Jung Hoon Yang, Ho-Tae Lee, Inho Cho, Heon Jung,
... 912 cc of the Ru/Ni/MgAl2O4 metallic monolith catalyst in the main reformer, the H2 production from the propane reached an average of 3. ...
Tópico(s): Catalysis and Oxidation Reactions
2011 - Elsevier BV | International Journal of Hydrogen Energy
Vanesa M. García, Eduardo López, Maria Serra, Jordi Llorca,
... developed for a tubular reformer loaded with catalytic monoliths for the production of the hydrogen required to feed a 1 ...
Tópico(s): Catalysis and Oxidation Reactions
2008 - Elsevier BV | Journal of Power Sources
Tyler Rash, Andrew Gillespie, Billy Paul M. Holbrook, Laurence Howard Hiltzik, Jimmy Romanos, Yuchoong Soo, S. Sweany, Peter Pfeifer,
The synthesis, characterization, and performance of a new low pressure, monolithic, activated carbon adsorbent developed for methane storage is discussed and compared to other adsorbents. The effect of particle packing density on the storage capacity of tanks filled with commercially available and developmental adsorbents is quantified. 20 kg of the developed monolithic material is tested using a custom built, 40 L, space conformable tank test assembly. The performance is found to be superior to ...
Tópico(s): Covalent Organic Framework Applications
2017 - Elsevier BV | Fuel
Riccardo Balzarotti, Cristina Italiano, L. Pino, Cinzia Cristiani, Antonio Vita,
Ni-CeO2 catalysts (metals load equal to 7.5 wt.%) as thin oxide layers on ceramic monoliths have been obtained by support dip-coating into acid-free stable catalyst dispersion. Ni-based catalysts were prepared by precipitation-dry-impregnation method or solution combustion synthesis and characterized by XRD, BET, CO-Chemisorption, TPR, TEM and SEM-EDX techniques. Coating load (15–20 wt.%) was controlled by multiple depositions on the basis of the slurry rheological behavior. Procedure goodness was ...
Tópico(s): High-Temperature Coating Behaviors
2016 - Elsevier BV | Fuel Processing Technology
Sofiane Arab, Jean‐Marc Commenge, Jean-François Portha, Laurent Falk,
... the impact of catalyst structuring into particles or monoliths on methanol production from only CO2 and H2 at a large ...
Tópico(s): Hybrid Renewable Energy Systems
2014 - Elsevier BV | Process Safety and Environmental Protection
Xiujin Yu, Bingyu Lin, Binbin Gong, Jianxin Lin, Rong Wang, Kemei Wei,
Tópico(s): Nanomaterials for catalytic reactions
2008 - Springer Science+Business Media | Catalysis Letters
Vladіslav Sadykov, Svetlana Pavlova, O. I. Snegurenko, Zakhar Vostrikov, Sergey F. Tikhov, Valerii Kuzmin, Valentin N. Parmon, Vladimir Yu. Ulianitsky, Oleg Brizitsky, A.P. Khristolyubov, Valerii Terentiev,
Structured catalysts based on metallic supports of different types with a high thermal conductivity were designed. The metal monolithic supports were made from a heat-resistant foil or gauze coated with a protective layer of Аl2О3 or ZrO2 using blast dusting. To prepare catalysts. Ce-Zr-La-O and LaNiOx promoted with Pt were successively supported on monoliths. A high and stable performance of these catalysts in the partial oxidation of methane (POM) at short contact times in the autothermal mode ...
Tópico(s): Catalytic Processes in Materials Science
2007 - Elsevier BV | Studies in surface science and catalysis
... treatment is described to make homogeneous particulate and monoliths on a production scale.
Tópico(s): Facial Trauma and Fracture Management
2000 - Wiley | Journal of Biomedical Materials Research
Abrar Faisal, Ming Zhou, Jonas Hedlund, Mattias Grahn,
Tópico(s): Anaerobic Digestion and Biogas
2016 - Springer Science+Business Media | Adsorption
Beñat Pereda‐Ayo, D. Divakar, Juan R. González‐Velasco,
... NOx of a homemade Pt–BaO/Al2O3 NSR monolith catalyst determining the N2/NH3 production surface in response to operational variables, namely temperature ... Al2O3 monolith. Optimal operation of the single NSR monolith was attained at 300 °C and 1% H2, which showed NOx removal of 74% with 64% of nitrogen production (both related to the total amount of NO ...
Tópico(s): Ammonia Synthesis and Nitrogen Reduction
2011 - Elsevier BV | Catalysis Today
Koei Kawakami, Ryo Takahashi, Mozaffar Shakeri, Shinji Sakai,
... i.e., preparing a methyltrimethoxysilane (MTMS)-based silica monolith followed by coating of the latter with more hydrophobic alkyl-substituted silicates that entrapped lipase. We applied this type of bioreactor to the production of fatty acid methyl esters through methanolysis of ...
Tópico(s): Analytical Chemistry and Chromatography
2008 - Elsevier BV | Journal of Molecular Catalysis B Enzymatic
Michael J. Stutz, Dimos Poulikakos,
In this paper, syngas (hydrogen and carbon monoxide) production was investigated by a numerical model of an adiabatic monolithic reformer (e.g. for a micro fuel cell system). The study includes the thermal and diffusive properties of a washcoat of finite thickness that is modeled as a porous layer composed of a ceramic support containing catalytic active rhodium sites. It was combined with a two-dimensional radially symmetric model of a single tubular mini-channel, considering both the thermal and ...
Tópico(s): Catalysis and Oxidation Reactions
2007 - Elsevier BV | Chemical Engineering Science
Muhammad Tahir, NorAishah Saidina Amin,
... than un-doped TiO2. The performance of the monolith photoreactor for CO production over Cu–In co-doped TiO2 catalyst was 12-fold higher than the cell-type photoreactor. More importantly, the quantum efficiency of the monolith photoreactor was significantly improved over Cu–In co- ...
Tópico(s): CO2 Reduction Techniques and Catalysts
2015 - Elsevier BV | Applied Catalysis A General
Kazuyoshi Kanamori, Kazuki Nakanishi, T. Hanada,
Rigid macroporous poly(divinylbenzene) monoliths with good mechanical and thermal stability and possessing a well-defined bicontinous structure (see figure) are synthesized using living radical polymerization and a polymeric phase separator. The macropore size and volume can be independently tuned by varying the starting compositions of the mixtures. Scale bars represent 20 μm, a–d show increasing polydimethylsiloxane concentration.
Tópico(s): Block Copolymer Self-Assembly
2006 - | Advanced Materials
Sungwoo Hwang, Tae Youn Kim, Sang‐Hoon Hyun,
... the ambient synthesis of crack-free silica aerogel monoliths with a high production yield was optimized. Monolithic forms of silica wet gels were obtained from aqueous colloidal silica sols prepared via the ion exchange of sodium silicate solutions. Crack-free silica aerogel monoliths were synthesized via an ISE/SM process using ...
Tópico(s): Silicone and Siloxane Chemistry
2008 - Elsevier BV | Journal of Colloid and Interface Science
Junko Konishi, Koji Fujita, Kazuki Nakanishi, Kazuyuki Hirao, Kei Morisato, Shota Miyazaki, Masayoshi Ohira,
We have developed a method of independently tailoring the macro- and mesoporous structures in titania (TiO2) monoliths in order to achieve liquid chromatographic separations of phosphorous-containing compounds. Anatase TiO2 monolithic gels with well-defined bicontinuous macropores and microstructured skeletons are obtained via the sol–gel process in strongly acidic conditions using poly(ethylene oxide) as a phase separator and N-methylformamide as a proton scavenger. Aging treatment of the wet gels ...
Tópico(s): Analytical chemistry methods development
2009 - Elsevier BV | Journal of Chromatography A