Erscheinungsdatum: 03/2010, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Carbon Dioxide Capture from PowerPlant Flue Gas using Activated Carbon, Titelzusatz: Efficient, Low Utility Cost and Energy Conservative Technology to Chemically Adsorb Carbon Dioxide from Flue Gas, Autor: Ebune, Guilbert, Verlag: LAP Lambert Acad. Publ., Sprache: Englisch, Rubrik: Technik // Sonstiges, Seiten: 60, Informationen: Paperback, Gewicht: 106 gr, Verkäufer: averdo
Preparation of Activated Carbon from low cost Precursors ab 79 € als Taschenbuch: And its Use for the Wastewater Treatment. Aus dem Bereich: Bücher, Wissenschaft, Chemie,
Carbon Dioxide Capture from PowerPlant Flue Gas using Activated Carbon ab 49 € als Taschenbuch: Efficient Low Utility Cost and Energy Conservative Technology to Chemically Adsorb Carbon Dioxide from Flue Gas. Aus dem Bereich: Bücher, Wissenschaft, Technik,
Carbon Dioxide Capture from PowerPlant Flue Gas using Activated Carbon ab 49 EURO Efficient Low Utility Cost and Energy Conservative Technology to Chemically Adsorb Carbon Dioxide from Flue Gas
Preparation of Activated Carbon from low cost Precursors ab 79 EURO And its Use for the Wastewater Treatment
Environmental exploitation by man and his activities is no new chapter. The presence of metal ions in the final industrial effluents is rising, and this is extremely undesirable, as they are toxic to both flora and fauna. Various techniques have been employed for the treatment of metal bearing industrial effluents, which usually include precipitation, adsorption, ion exchange, membrane and electrochemical technologies, adsorption on activated carbon, etc. Each of these methods has its own merits and demerits. The search for efficient, eco-friendly and cost effective remedies for waste water treatment had been initiated and in the last few decades this search has directed us towards bio-remediation.The tea fungus known as kombucha is a waste produced during black tea fermentation. Mercury (Hg) is a highly toxic metal which poses a serious threat to human beings even at low concentrations. The objective of this study was to check the potential of the dried waste tea fungal biomass to remove Hg (II) from the aqueous solution of Hg (II).
This report presents the results of an evaluation of technologies that may result in less biomass production in activated sludge processes. The report summarizes the results of a comprehensive literature review that was done to evaluate technologies in terms of their sludge reduction potential, ease of implementation, impacts on plant operations and effluent quality, reliability, and relative capital and operating costs. Reporting testing results supported significant biomass reduction by processes using chemical and thermal methods, higher life forms (predator processes), anaerobic instead of aerobic respiration, and extreme solids retention times, but biomass reduction for enhanced biological phosphorus removal (EBPR) processes and a mechanical disintegration process were less conclusive. The predator enhancement process showed promise for industrial wastewater treatment, but is less attractive for municipal wastewater treatment for which a lower soluble COD fraction is present. Extreme solids retention time processes may be practical for small wastewater flows and perhaps with the use of membrane separation technology. Anaerobic treatment processes are known to have a lower biomass yield (one fourth or a less than for aerobic treatment), but work is needed to develop their applications for low strength, low temperature wastewaters, such as in municipal wastewater treatment. For some processes such as the cell disruption using mechanical, thermal, and chemical means, the cost of implementing the biomass reduction technology was greater than the cost savings associated with less sludge production. Addition of chemical uncouplers can greatly reduce biomass production, but pose problems of toxic chemicals in the treated effluent. In a series of bench-scale tests carried out at the Seattle West Point wastewater treatment facility and the University of Washington environmental engineering laboratories the presence and mechanism of COD loss (and subsequent less biomass production) in the anaerobic zone of EBPR processes was investigated. The results of the test work and fundamental evaluation could not support previous claims of a COD loss in EBPR processes, nor was less sludge production observed.
Current research and development on electrochemical power sources are mainly focussed on fuel cells, batteries and electrochemical capacitors and are directed towards obtaining high specific energy, high specific power, long cycle life at relatively low cost. Supercapacitors, ultracapacitors, or electrochemical double layer capacitors (EDLCs) differs from a regular capacitor by the property that it has a very high capacitance in the order of Farads. The supercapacitor is ideal for energy storage which undergoes frequent charge-discharge cycles at high current and short durations. Due to their high specific power, supercapacitors have applications including automobiles, electric vehicles and various hybrid electric vehicles.This Thesis describes the low cost fabrication of supercapacitors based on activated carbon coated lead electrode and its characterization by various electrochemical techniques such as cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and constant current charge-discharge test (chronopotentiometry).
This book is about study of adsorption of heavy metals and dyes. Adsorption technique is well known for various applications, for which activated carbon is the popular answer. Activated carbon needs effective and economical alternative which we have given in this research. It includes synthesis of low cost adsorbents and its application to remove heavy metals and dyes from aqueous solutions. The adsorbents were prepared from various fruit shell wastes. The adsorbents were characterized with modern techniques to examine and confirm the adsorption. The study was extended by applying well known isotherm models and the rate of adsorption was determined with kinetic models. The nature of adsorption was investigated with thermodynamic study. The results were compared with reported adsorbents which concluded that these adsorbents had better adsorption capacity.