Get A Guide to the Economic Removal of Metals from Aqueous PDF

By Yogesh C. Sharma

ISBN-10: 1118137159

ISBN-13: 9781118137154

Water pollutants is subject of sizeable and customary challenge during the global.  This booklet provides the implications and knowledge from examine and adsorption experiments conducted at the removing of nickel and chromium (as good as different metals) from aqueous suggestions utilizing converted silica sand.

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2 EDS spectrum of modified silica sand. 2 Fourier Transform Infrared Spectroscopy The IR Spectra of raw and modified silica sand were measured on a Fourier Transform Infrared Spectrophotometer (Varian 1600 FT-IR Scimitar Series) to elucidate the functional group presenting on the surface of silica sand before and after activation. For measuring IR spectra, 5mg of raw silica sand and modified silica sand were encapsulated in 400mg of KBr. Translucent disk was made by pressing the ground mixed material with the hydraulic pallet press (PCI services, Bhandup, Mumbai) for 1 minute.

1 M HC1. 4 Instrumentation The instruments used during the experiments are as follows, along with a brief detail of their manufacturer: Instrument Model No. and Manufacturer Water bath shaker Narang Scientific Works Pvt. Ltd. (NSW-133) Research centrifuge REMI (R 24) (Continued) MATERIAL AND METHODS 41 (Continued) Instrument Model No. 1 Adsorption Experiments After development of the two nano-adsorbents, effects of various important parameters on the removal of selected metallic species by nano-adsorbents were studied.

The curves obtained are single and smooth indicating the formation of monolayer on the surface of adsorbent during the removal process. In the initial stages the slope of the plots is greater, and it decreases with time. This reveals that the rate of uptake is rapid in early stages, and gradually decreases and becomes constant when the equilibrium is attained. Furthermore, the higher (%) removal in low concentration ranges is of industrial importance. 11) . ent, rpm = 150). 0, temp = 25°C, dose = lgm/50ml, rpm = 150).

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A Guide to the Economic Removal of Metals from Aqueous Solutions by Yogesh C. Sharma

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