undertaken to develop a cost effective biosorbent and to study the biosorption process involved in the adsorption of heavy metal-contaminated industrial wastewater using the developed biosorbent. Coconut shell carbon was modified with chitosan and/or oxidizing agent (phosphoric acid) to produce composite adsorbent. The adsorption efficiency of the adsorbent was evaluated by measuring the extent of adsorption of zinc (II) in synthetic beverage industrial wastewater. Operational parameters such as pH‚ agitation
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Coating Polystyrene Particles by Adsorption of Hydrophobically Modified Dextran C . Fournier‚ M. Leonard‚* I. Le Coq-Leonard‚ and E . Dellacherie L CPM‚ URA C NRS 494‚ ENSIC B.P. 4 51‚ 54001 Nancy‚ France Received March 14‚ 1995. I n Final Form: May 22‚ 1995@ I n order to decrease their hydrophobicity and thus t o reduce the protein adsorption at their surface‚ polystyrene-divinylbenzene (PS-DVB) particles have been coated with dextran. To favor its adsorption‚ the polysaccharide was previously
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ADSORPTION AND ABSORPTION OF EXHAUST GASES FROM VEHICLES Rinkesh.A.Bafna‚ Kushal.A.Khanderia‚ Asst.Prof. N.Anandakumar Abstract— As India is developing in a faster rate the need for vehicles has tremendously increased. In this scenario‚ we strongly need an efficient way to control the increasing air pollution led by the exhaust gases from the vehicles. These exhaust gases contains carbon monoxide (CO) and hydrocarbons in high proportions which adversely increases the Global Warming and
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HS1103- Engineering chemistry - I KINGS COLLEGE OF ENGINEERING Department of Science and Humanities Sub. Code: HS1103 Sem/Year: I / I Sub. Name: Engg.Chemistry-I UNIT – I – WATER TREATMENT PROCESS: PART – A ( 2 Marks) 1. Define hardness of water. 2. Distinguish between carbonate hardness and noncarbonate hardness. 3. Draw the structure of EDTA. What happens when EDTA is added to hard water? 4. Define alkalinity. 5. Why is water softened before using in boiler? 6. What is meant
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In summary‚ the characterizations of ZnFe2O4 reveal that the preparation protocol allowed ZnFe2O4 to have a smaller particle size and larger specific surface area leads to increasing of oxygen mobility. 3.2. Microcalorimetry analysis 3.2.1. Water adsorption As it is known‚ the cation as a Lewis acid (host) contributes to the stabilization of an anion as a Lewis base (base) resulting
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D. Pascoe Camborne School of Mines‚ School of Geography‚ Archaeology and Earth Resources‚ University of Exeter‚ Tremough Campus‚ Treliever Road‚ Penryn‚ Cornwall TR10 9EZ‚ United Kingdom Received 29 April 2005; accepted 24 May 2005 Abstract Adsorption of silver from synthetic photographic and spent fix solutions on granulated activated carbon in a batch process has been investigated. The synthetic solutions prepared had similar properties to medical X-ray and photographic process effluents. Sodium
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Biotechnol. Bioprocess Eng. 2002‚ 7: 57-66 Hydrolysis of Oils by Using Immobilized Lipase Enzyme: A Review V Ramachandra Murty*‚ Jayadev Bhat‚ and P. K. A. Muniswaran . Department of Chemical Engineering‚ Manipal Institute of Technology‚ A Constituent Institution of Manipal Academy of Higher Education (Deemed University)‚ Manipal-576119‚ India Abstract This review focuses on the use of immobilized lipase technology for the hydrolysis of oils. The importance of lipase catalyzed fat splitting
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company that primarily manufactures stable bleaching powder. It should be noted that stable bleaching powder could be manufactured through two different techniques: adsorption or absorption. By using adsorption‚ this means that BBC’s product was of an inferior quality compared to the products of its competitors. However‚ the use of adsorption allowed the company to enjoy a favorable market share‚ and due to the cost advantage‚ BBC was able to pass on lower prices to its customers. Currently‚ BBC is contemplating
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Effects of Pesticide Case Study INTRODUCTION The Bago City is the rice granary of Negros Occidental. The farmers of Bago City are struggling because of the pest. They have decreased their production of rice because of the pest. Our goal of engaging this case study is to analyze and see the effect of the pesticide to the crops. We are to seek good and bad effects of these pesticides. We’re going to focus only on finding the effects of these pesticides so we can come up with a good report. By observing
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Separating Ferrocene and Acetylferrocene by Adsorption Chromatography Separating Ferrocene and Acetylferrocene by Adsorption Chromatography Dry Pack Method Leah Monroe February 27‚ 2003 Organic Chemistry Lab II Experiment performed on February 18 and 20‚ 2003 Abstract: Adsorption column chromatography is one way to separate compounds out of a mixture. In this technique‚ a solid stationary phase called the adsorbent is packed in a glass column and an eluent‚ which is the mobile phase‚ moves
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