An Experimental Study Of Comparison Between Ph Parametric Pumping And Ph Cycling Zone Adsorption Process On Protein Separation
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An Experimental Study Of Comparison Between Ph Parametric Pumping And Ph Cycling Zone Adsorption Process On Protein Separation
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Author : Vincent P. Jajalla
language : en
Publisher:
Release Date : 1981
An Experimental Study Of Comparison Between Ph Parametric Pumping And Ph Cycling Zone Adsorption Process On Protein Separation written by Vincent P. Jajalla and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Proteins categories.
An Experimental Study Of Semi Continuous Ph Parametric Pumping With A Center Feed
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Author : John S. Dell'Osso
language : en
Publisher:
Release Date : 1976
An Experimental Study Of Semi Continuous Ph Parametric Pumping With A Center Feed written by John S. Dell'Osso and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Separation (Technology) categories.
Separation Via Multi Column Ph Parametric Pumping
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Author : Wei Tai Yang
language : en
Publisher:
Release Date : 1981
Separation Via Multi Column Ph Parametric Pumping written by Wei Tai Yang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Separation (Technology) categories.
Chemical Engineering Education
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Author :
language : en
Publisher:
Release Date : 1980
Chemical Engineering Education written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Chemical engineering categories.
Theoretical Chemical Engineering Abstracts
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Author :
language : en
Publisher:
Release Date : 1980
Theoretical Chemical Engineering Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Chemical engineering categories.
Theoretical And Experimental Study Of Electrochemically Mediated Adsorption Processes
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Author : Fan He (Ph.D.)
language : en
Publisher:
Release Date : 2019
Theoretical And Experimental Study Of Electrochemically Mediated Adsorption Processes written by Fan He (Ph.D.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Water treatment by electrosorption is a topic of increasing interest in recent years due to the high efficiency, low cost, small footprint and no secondary treatment required. Electrochemically mediated adsorption, is one of the emerging electrosorption techniques. The great advantage of this technique is its superb selectivity (>100), which allows selective removal of toxic or recovery of high-valued target ions under low energy consumption, which is difficult to achieve by any other water treatment techniques. Firstly, to understand electrochemically mediated adsorption, theoretical approach has been used. Models with hierarchical complexity have been developed in this thesis; ranging from a physics-based equivalent circuit model to process-level lumped parameter model and eventually to a full two-dimensional time dependent transport model, which allow focuses on different aspects of the process (thermodynamics, kinetics and mass transport) and shed light on the mechanism of competitive electrosorption processes from microscale to macroscale. The theoretical framework also provides guidelines of designing redox active materials and optimizing operation conditions to achieve high salt adsorption capacity as well as selectivity towards target micropollutants. Secondly, we study the electrochemically mediated adsorption in practice. By setting up a continuous flow experimental platform equipped with inline sensors, we developed methodologies to allow real-time measurement of the salt adsorption performance as well as quantifying the selectivity of the competitive electrosorption process. Asymmetric redox active electrodes are designed, synthesized and characterized in the flow system. The experimental study has demonstrated high salt adsorption capacity and ultra-high salt adsorption rate for brackish water deionization; and more importantly, selective removal of organic acid for waste water remediation. Finally, we extend the concept and methodology of electrochemically mediated adsorption from surface based (heterogeneous) electrosorption to bulk adsorption/regeneration with (homogeneous) complexation reactions. A theoretical framework is developed under flow-through configuration, and applied to carbon dioxide capture/release, which is of great practical interest. Improved reactor design has also been implemented and tested, which demonstrates the feasibility of utilizing the flow-through reactor for electrochemically mediated carbon capture and regeneration.
Study On Adsorption Parameter To Remove Zinc From Spent Ipa Using Activated Carbon
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Author : Hani Shazwani Mohd Suhaimi
language : en
Publisher:
Release Date : 2012
Study On Adsorption Parameter To Remove Zinc From Spent Ipa Using Activated Carbon written by Hani Shazwani Mohd Suhaimi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Adsorption categories.
Heavy metal is potential hazard to the environment and cause damage to ecosystems and human health. The Printed Circuit Boards (PCB) contains heavy metal; Zinc was treated by Isopropyl Alcohol (IPA) for washing process. IPA is used widely as a solvent and as a cleaning fluid. However large amount of washed IPA would be produced during operation and this should be treated effectively by proper method. It also requires high cost to treat solvent waste that contains hazardous heavy metal. Moreover the use of adsorbent is necessary to be recovered for reducing the washing operation cost. The adsorption process is used to remove Zinc from spent of IPA using Activated Carbon (AC) as adsorbent. The sample is being characterize before mixing with Activated Carbon and conducted in a shaking incubator for adsorption process. The solution then undergo centrifugation and filtration before analyze using Atomic Absorption Spectroscopy (AAS). The optimum adsorption of Activated Carbon dosage, agitation time and pH are being investigated. The high values of Activated Carbon dosage will increase the surface area with more adsorption site, the more adsorption process occur until reach concentrated limit due to overlapping of adsorption site as result of overcrowding of adsorbent particles. The agitation time is also directly proportional to the adsorption process. On the other hand, removal of Zinc without agitation time was found to be appropriate for maximum adsorption because all the adsorbents surface and quantities are having optimum contact capability with adsorbate (Zinc). The pH value will affect the degree of ionization of a species whereby in this experiment, pH 8 was observed to be the most suitable for adsorption process to occur. In term of isotherms compatibility, adsorption of Zn onto Activated Carbon satisfied the both Langmuir and Freundlich isotherms. As the conclusion, the process is significant to reduce the operating cost of adsorbent reuse and factory's waste disposal cost through waste minimization and health hazard contribute from the heavy metal contaminant. It is alternative way to remove the heavy metal in industrial effluent electronic organic waste discharge.
Clean Technology
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Author : Allan Johansson
language : en
Publisher: CRC Press
Release Date : 1992-08-26
Clean Technology written by Allan Johansson and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-08-26 with Technology & Engineering categories.
Due to pressure from government regulations, the design and development of new manufacturing processes are shifting to pollution prevention and waste reduction at the source through the implementation of proper process and product design. Clean Technology incorporates ideas for pollution prevention/waste reduction at the early stages of process design and development. It covers guidelines for development projects, provides background information, and presents general principles for sound engineering together with pollution reduction alternatives. Industrial and hazardous waste, process engineering, energy systems, materials and product design, recycling, and biodegradability are among the subjects discussed. Market mechanisms, economy in production, and policy questions are also covered. Clean Technology will be an important reference for environmental engineers, process and design engineers, consultants, students, and libraries. It provides engineers, consultants, and students with background and techniques for improved waste reduction and pollution control through proper engineering. It will also be a valuable textbook for advanced engineering programs that are working within today's environmental policies.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 1996
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Dissertations, Academic categories.
Directory Of Graduate Research
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Author : American Chemical Society. Committee on Professional Training
language : en
Publisher:
Release Date : 1983
Directory Of Graduate Research written by American Chemical Society. Committee on Professional Training and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Chemical engineering categories.