By Yogesh C. Sharma
Water pollutants is subject of mammoth and customary problem through the international. This ebook offers the implications and knowledge from learn and adsorption experiments conducted at the removing of nickel and chromium (as good as different metals) from aqueous ideas utilizing changed silica sand.
Chapter 1 advent (pages 1–38):
Chapter 2 fabric and strategies (pages 39–43):
Chapter three effects and Discussions (pages 45–90):
Chapter four Conclusions (pages 91–101):
Read Online or Download A Guide to the Economic Removal of Metals from Aqueous Solutions PDF
Similar water quality & treatment books
The EPA has tested rules which classify 4 kinds of disinfection byproducts - TTHMs, haloacetic acids, bromate, and chlorite - and calls for public water platforms restrict those byproducts to precise degrees. many of the info required to conform with those criteria is both scattered in the course of the literature or derived from meetings or symposiums.
This monograph offers a complete state of the art description of the paintings conducted within the united kingdom and Japan on "Flow and Sediment shipping in Compound Channels". It as a result describes examine which has been carried out, basically during the last 20 years, and which has yielded a reasonably targeted photograph of the real behaviours of compound channels and produced a couple of engineering prediction tools which must be greatly followed in perform.
Concise and readable, consuming Water safeguard for Engineers, Planners and bosses offers an outline of concerns together with infrastructure making plans, making plans to guage vulnerabilities and power threats, capital development making plans, and upkeep and possibility administration. This booklet additionally covers themes relating to power contaminants, on hand water defense applied sciences, analytical tools, and sensor applied sciences and networks.
- Assessing Microbial Safety of Drinking Water: Improving Approaches and Methods (Who Drinking-Water Quality)
- Derivation and Use of Environmental Quality and Human Health Standards for Chemical Substances in Water and Soil (Society of Environmental Toxicology and Chemistry)
- Reservoir Sedimentation
- Efficient management of wastewater: its treatment and reuse in water-scarce countries
Extra info for A Guide to the Economic Removal of Metals from Aqueous Solutions
5 shows the SEM micrographs of the raw silica sand at 5000 times magnification. 5 that the silica sand has a large number of porous structures because of fine crystals that are staggered in three-dimensional spaces. The surface is in a clean state which may ultimately increase the adsorption capacity of Cr (VI) on the silica sand. 7 show modified silica sand at xlOO and x5000 magnifications respectively. These figures of modified silica sand show the roughness of the surface which is clearly visible in the x5000 magnification as slopes and grooves.
For AA, maximum adsorption INTRODUCTION 23 was found at 25°C/ indicating exothermic adsorption, while for AC, maximum adsorption was at 40°C. C. Sharma et al. . 0 x 10~2M NaC104 ionic strength, and 100 rpm. Higher removal was obtained with particles of smaller sizes of the adsorbent. 7% by increasing the temperature from 25°-35°C exhibiting exothermic nature of the process of removal. 94 Cal mol 1 , respectively; at 25°C. 5 pH. Yeast biomass for biosorbing chromium metal ion in aqueous solutions was reported by Lokeshwari et al.
5), at a pH of working solution and agitation rate of 100 rpm on a shaking thermostat. After equilibrium time, the adsorbents were separated from the aqueous phase by centrifugation at 10,000 rpm for 10 minutes. The residual concentrations of Ni(II) in supernatants were determined by UV-visible spectrophotometer (Spectronic 20, Bausch & Lomb USA) at 445 nm, using the dimethylglyoxime (DMG) method by following the standard method for examination of water and wastewater . While the residual concentration of Cr (VI) in aliquot was determined by using UV-visible spectrophotometer at 540 nm with 1,5 diphenylcarbazide.
A Guide to the Economic Removal of Metals from Aqueous Solutions by Yogesh C. Sharma