Studies on Activated Carbon Production from Coconut Shells Using a Fluidized Bed Reactor PDF Download
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Author: C. John Kirubakaran
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: C. John Kirubakaran
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Man Kee Lam
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages : 196
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Author: Terachai Suravattanasakul
Publisher:
ISBN: 9789746394710
Category : Carbon, Activated
Languages : en
Pages : 252
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Book Description
The research objective was to produce activated carbon from palm-oil shells by one step pyrolysis and steam activation in a fixed bed reactor with the diameter of 100 mm. The studied variables were temperatures, times, palm-oil shells sizes and flow rates of air. The results showed that the optimum condition was 1.18-2.36 mm of palm-oil shells at 750 C for 2 hr with air flow rate of 0.72 nl/min, using steam as an activating agent. The characteristics of the resulted activated carbon with the yield of 19.66% were bulk density of 0.5160 g/cm3, 6.03% ash, iodine number of 620.16 mg/g, methylene blue number of 176.75 mg/g and 559.48 m2/g B.E.T. surface area. In addition, it had been found that when there was an adding of pyrolysis time with air before steam activation led to higher porosity development than one step pyrolysis and steam activation. From these experimental data, it was observed that the maximum surface area and adsorption capacity could be obtained from using 200 g of 1.18-2.36 mm of palm-oil shells at 750 C for 3 hr by adding pyrolysis with air for 30 min (0.72 nl/min) before steam activation. The resulting characteristics of the final product with the yield of 12.18% were bulk density of 0.5048 g/cm3, 7.54% ash, iodine number of 766.99 mg/g, methylene blue number of 189.20 mg/g and 669.75 m2/g B.E.T. surface area.
Author: Intratec
Publisher: Intratec
ISBN:
Category : Business & Economics
Languages : en
Pages : 102
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Book Description
This report presents a cost analysis of Powdered Activated Carbon production from coconut shell. In the process under analysis, Activated Carbon is produced via a chemical activation process using phosphoric acid. This report was developed based essentially on the following reference(s): (1) "Carbon, Activated", Kirk-Othmer Encyclopedia of Chemical Technology, 5th edition; (2) "Carbon, 5. Activated Carbon", Ullmann's Encyclopedia of Industrial Chemistry, 2010 Keywords: Chemical Activation Process, Phosphoric Acid, Activated Charcoal, Activated Coal, Carbo Activatus
Author: Xianda Zhao
Publisher:
ISBN:
Category : Aromatic compounds
Languages : en
Pages : 470
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Author: Tahani Abdoh M. Assiri
Publisher:
ISBN:
Category : Carbon, Activated
Languages : en
Pages : 0
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Book Description
This paper is based upon factors affecting the activation of carbon prepared with coconut shells. A thorough literature review has been conducted whereby previous research into the subject is cited, specifically for the case of coconut shells as raw material for carbon activation. The methodology adopted for this research has been detailed, and the corresponding results obtained have been tabled, graphed, and subsequently discussed. Four factors were found to affect the quality of activated carbon produced: namely, inert gas flow rate, impregnation ratio, activation temperature, and activation time. Iodine number, methylene blue number, and surface area were used to evaluate the quality of the prepared samples. Lastly, ANOVA analysis was conducted to observe the influence of each of the four factors on the activated carbon samples. For iodine number, no factor was found to be statistically significant. For methylene blue number, acting agent was found to be significant and surface area was affected by activation temperature --
Author: Mastura Yusoff
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages : 144
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Author: Khalid Rehman Hakeem
Publisher: Springer
ISBN: 3319076418
Category : Science
Languages : en
Pages : 377
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Book Description
Biomass obtained from agricultural residues or forest can be used to produce different materials and bioenergy required in a modern society. As compared to other resources available, biomass is one of the most common and widespread resources in the world. Thus, biomass has the potential to provide a renewable energy source, both locally and across large areas of the world. It is estimated that the total investment in the biomass sector between 2008 and 2021 will reach the large sum of $104 billion. Presently bioenergy is the most important renewable energy option and will remain so the near and medium-term future. Previously several countries try to explore the utilization of biomass in bioenergy and composite sector. Biomass has the potential to become the world’s largest and most sustainable energy source and will be very much in demand. Bioenergy is based on resources that can be utilized on a sustainable basis all around the world and can thus serve as an effective option for the provision of energy services. In addition, the benefits accrued go beyond energy provision, creating unique opportunities for regional development. The present book will provide an up-to-date account of non-wood, forest residues, agricultural biomass (natural fibers), and energy crops together with processing, properties and its applications to ensure biomass utilization and reuse. All aspects of biomass and bioenergy and their properties and applications will be critically re-examined. The book consists of three sections, presenting Non wood and forest products from forestry, arboriculture activities or from wood processing, agricultural biomass (natural fibers) from agricultural harvesting or processing and finally energy crops: high yield crops and grasses grown especially for energy production.
Author: Y. Shi
Publisher:
ISBN:
Category :
Languages : en
Pages : 9
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Author: Mihir Kumar Purkait
Publisher: Elsevier
ISBN: 0128235918
Category : Science
Languages : en
Pages : 242
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Book Description
Lignocellulosic Biomass to Value-Added Products: Fundamental Strategies and Technological Advancements focuses on fundamental and advanced topics surrounding technologies for the conversion process of lignocellulosic biomass. Each and every concept related to the utilization of biomass in the process of conversion is elaborately explained, with importance given to minute details. Advanced level technologies involved in the conversion of biomass into biofuels, like bioethanol and biobutanol, are addressed, along with the process of pyrolysis. Readers of this book will become fully acquainted with the field of lignocellulosic conversion, from its basics to current research accomplishments. The uniqueness of the book lies in the fact that it covers each and every topic related to biomass and its conversion into value-added products. Technologies involved in the major areas of pretreatment, hydrolysis and fermentation are explained precisely. Additional emphasis is given to the analytical part, especially the established protocols for rapid and accurate quantification of total sugars obtained from lignocellulosic biomass. Includes chapters arranged in a flow-through manner Discusses mechanistic insights in different phenomena using colorful figures for quick understanding Provides the most up-to-date information on all aspects of the conversion of individual components of lignocellulosic biomass
