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| 1 | A techno-economic and life cycle assessment for the production of green methanol from CO_(2): catalyst and process bottlenecks显示文摘The success of catalytic schemes for the large-scale valorization of CO_(2) does not only depend on the development of active,selective and stable catalytic materials but also on the overall process design.Here we present a multidisciplinary study(from catalyst to plant and techno-economic/lifecycle analysis)for the production of green methanol from renewable H2 and CO_(2).We combine an in-depth kinetic analysis of one of the most promising recently reported methanol-synthesis catalysts(InCo)with a thorough process simulation and techno-economic assessment.We then perform a life cycle assessment of the simulated process to gauge the real environmental impact of green methanol production from CO_(2).Our results indicate that up to 1.75 ton of CO_(2) can be abated per ton of produced methanol only if renewable energy is used to run the process,while the sensitivity analysis suggest that either rock-bottom H2 prices(1.5$kg1)or severe CO_(2) taxation(300$per ton)are needed for a profitable methanol plant.Besides,we herein highlight and analyze some critical bottlenecks of the process.Especial attention has been paid to the contribution of H2 to the overall plant costs,CH4 trace formation,and purity and costs of raw gases.In addition to providing important information for policy makers and industrialists,directions for catalyst(and therefore process)improvements are outlined. | Tomas Cordero-Lanzac Adrian Ramirez Alberto Navajas Lieven Gevers Sirio Brunialti Luis MGandía Andrés T.Aguayo S.Mani Sarathy Jorge Gascon | 2022 | Journal of Energy Chemistry2022，31，5： | 3 |
| 2 | Capsule endoscopy capture rate: Has 4 frames-per-second any impact over 2frames-per-second?显示文摘AIM: To compare the current capsule and a new prototype at 2 and 4 frames-per-second, respectively, in terms of clinical and therapeutic impact. METHODS: One hundred patients with an indication for capsule endoscopy were included in the study. All procedures were performed with the new device(SB24). After an exhaustive evaluation of the SB24 videos, they were then converted to 'SB2-like' videos for their evaluation. Findings, frames per finding, and clinical and therapeutic impact derived from video visualization were analyzed. Kappa index for interobserver agreement and χ2 and Student's t tests for qualitative/quantitative variables, respectively, were used. Values of P under 0.05 were considered statistically significant.RESULTS: Eighty-nine out of 100 cases included in the study were ultimately included in the analysis. The SB24 videos detected the anatomical landmarks(Zline and duodenal papilla) and lesions in more patients than the 'SB2-like' videos. On the other hand, the SB24 videos detected more frames per landmark/lesion than the 'SB2-like' videos. However, these differences were not statistically significant(P > 0.05). Both clinical and therapeutic impacts were similar between SB24 and 'SB2-like' videos(K = 0.954). The time spent by readers was significantly higher for SB24 videos visualization(P < 0.05) than for 'SB2-like' videos when all images captured by the capsule were considered. However, these differences become non-significant if we only take into account small bowel images(P > 0.05).CONCLUSION: More frames-per-second detect more landmarks, lesions, and frames per landmark/lesion, but is time consuming and has a very low impact on clinical and therapeutic management. | Ignacio Fernandez-Urien Cristina Carretero Erika Borobio Ana Borda Emilio Estevez Sara Galter Begoa Gonzalez-Suarez Benito Gonzalez Marisol Lujan Jose Luis Martinez Vanessa Martínez Pedro Menchén Javier Navajas Vicente Pons Cesar Prieto Julio Valle | 2014 | World Journal of Gastroenterology2014，20，39： | 2 |
| 3 | On-line application of visible and near infrared reflectance spectroscopy to predict chemical-physical and sensory characteristics of beef quality显示文摘 | Prieto N Ross D W Navajas E A | 2009 | Meat Science2009，83，1： | 1 |
| 4 | A review of the development and use video image analysis for beef carcass evaluation as an alternative to the current ETROP system and other subjective systems显示文摘 | CRAIGIE C R NAVAJAS E A PURCHAS R W | 2012 | Meat Science2012，92，4： | 1 |
| 5 | Predic-tion of sensory characteristics of lamb meat samples bynear infrared reflectance spectroscopy显示文摘 | ANDRfiS S MURRAY I NAVAJAS E A | 2007 | Meat Science2007，76，3： | 1 |
| 6 | Study on the reproducibility of mordenite tubular membranes used in the dehydration of etha- nol显示文摘 | Navajas A Mallada R T611ez C | 2007 | Journal of Membrane Science2007，299，12： | 1 |
| 7 | Preparation of mordenite membranes for pervaporation of water-ethanol mixtures 显示文摘 | Navajas A Mallada R Tellez C | 2002 | Desalination2002，148，13： | 1 |
| 8 | Inverse regulation in the metabolic genes pckA and mete revealed by proteomic analysis of the Salmonella RcsCDB regulon 显示文摘 | Paradela A Mariscotti J F Navajas R | 2011 | Journal of Proteome Research2011，10，8： | 1 |
| 9 | Prediction of sensory characteristics of lamb meat samples by near infrared reflectance spectroscopy 显示文摘 | Andr6s S Murray I Navajas E A | 2007 | Meat Science2007，76，3： | 1 |
| 10 | A review of clinical and histological features of Spanish paediatric medulloblastomas during the last 21 years显示文摘 | Urberuaga A Navajas A Burgos J | 2006 | Childs Nerv Syst2006，22，5： | 1 |
| 11 | Evidence in medulloblastoma显示文摘 | Navajas A Giralt J | 2010 | Clin Transl- oneol2010，12，4： | 1 |
| 12 | The use of various live animal measurements to predict carcass and meatquality in two divergent lamb breeds显示文摘 | LAMBE N R NAVAJAS E A SCHOFIELD C P | 2008 | Meat Science2008，80，4： | 1 |
| 13 | Prediction of lamb meat eating quality in two divergent breeds using variouslive animal and carcass measurements显示文摘 | LAMBE N R NAVAJAS E A FISHER A V | 2009 | Meat Science2009，83，3： | 1 |
| 14 | Performance of a 3G-based mobile telemedicine system 显示文摘 | Navarro E A V Mas J R Navajas J F | 2006 | Consumer Communications and Networking Conference 3rd IEEE2006，2，810： | 1 |
| 15 | On-line application of visible and near infrared reflectance spectroscopy to predict chem- ical physical and sensory characteristics of beef quality 显示文摘 | Prieto N Ross D W Navajas E A | 2009 | Meat Sci2009，83，： | 1 |
| 16 | Prediction of sensory characteristics of lamb meat samples by near infrared reflectance spectroscopy 显示文摘 | Andr6s S Murray I Navajas E A | 2007 | Meat Sci2007，76，： | 1 |
| 17 | Prediction of sensory characteristics of lamb meat samples by near infrared reflectance spectroscopy显示文摘 | ANDRES S MURRAY I NAVAJAS E A | 2007 | Meat Science2007，76，3： | 1 |
| 18 | Nutritional study of children with cancer显示文摘 | Corera Sanchez M Ariceta Iraola G Navajas Gutierrez A Sasieta Ahuna M Bezanilla Regato JL | 1992 | An Esp Pediatr1992，36，4： | 1 |
| 19 | In vivo measurements of muscle volume by automatic image analysis of spiral computed tomography scans显示文摘 | Navajas E A Glasbey C A McLean K A | 2006 | Animal Science2006，82，： | 1 |
| 20 | Multi- modal fundus imaging in choroidal osteoma显示文摘 | NAVAJAS E V COSTA R A CALUCCI D | 2012 | Am J Ophthalmol2012，153，5： | 1 |
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