نتایج جستجو برای: vpsa

تعداد نتایج: 24  

Journal: :Adsorption-journal of The International Adsorption Society 2021

Abstract Hydrogen as clean energy carrier is expected to play a key role in future low-carbon systems. In this paper, we demonstrate new technology for coupling fossil-fuel based hydrogen production with carbon capture and storage (CCS): the integration of CO 2 H purification single vacuum pressure swing adsorption (VPSA) cycle. An eight step VPSA cycle tested two-column lab-pilot ternary –H –C...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده علوم پایه 1392

یکی از روش های تولید اکسیژن از هوا استفاده از روش تقطیر برودتی می باشد که همچنان بهترین روش برای تولید اکسیژن در حجم های بالا و خلوص بیش از 99% است. اما هزینه های بسیار بالای این روش موجب شده که در مراکزی که نیاز به حجم کمتری از اکسیژن است و یا توانایی هزینه ی زیادی برای احداث واحد تولید اکسیژن ندارند از فرآیند جذب سطحی با تناوب فشار استفاده شود. فرآیند جذب سطحی با تناوب خلاء (vpsa) در جداسازی ...

Journal: :Chemical Engineering Journal 2021

We employ a synergistic material and process development strategy to improve the performance of single-cycle vacuum pressure swing adsorption (VPSA) for hydrogen purification CO2 separation from reforming-based synthesis. Based on process-informed adsorbent selection criteria, including high cyclic capacity selective uptake impurities like CO, N2, CH4 over H2, metal organic framework (MOF), Cu-...

2010
Jiunn C. N. Fong Khalid A. Syed Karl E. Klose Fitnat H. Yildiz

Biofilm formation enhances the survival and persistence of the facultative human pathogen Vibrio cholerae in natural ecosystems and its transmission during seasonal cholera outbreaks. A major component of the V. cholerae biofilm matrix is the Vibrio polysaccharide (VPS), which is essential for development of three-dimensional biofilm structures. The vps genes are clustered in two regions, the v...

Journal: :Energies 2021

The problem of reducing carbon dioxide emissions from flue gas, particularly gas originating coal-firing CFB systems, is currently an important challenge. Many centers around the world have tested post-combustion CO2 capture systems. One these operated using DR-VPSA adsorption technology (dual-reflux vacuum pressure swing adsorption), was under Strategic Project in Poland. this study originated...

Journal: :Processes 2022

Plastic products are widely used due to their superior performance, but there still limitations in the current methods and technologies for recycling processing of waste plastics, resulting a huge wasting resources environmental pollution. The element composition plastics determines its great gasification potential. In this paper, three different plastic processes designed process simulator bas...

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