Bentonite

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Surface Mining Second Edition

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Author : Bruce A. Kennedy
language : en
Publisher: SME
Release Date : 1990

Surface Mining Second Edition written by Bruce A. Kennedy and has been published by SME this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Reference categories.

This SME classic is both a reference book for the working engineer and a textbook for the mining student. This hardcover edition gives a brief history of surface mining and a general overview of the state of surface mining today--topics range from production and productivity to technological developments and trends in equipment. This extremely useful text takes the approach that exploration and mining geologists must be expert in a number of fields, including basic finance and economics, logistics, and pragmatic prospecting. Readers will find material on all these topics and more. The book's nine chapters include: Introduction, Exploration and Geology Techniques, Ore Reserve Estimation, Feasibility Studies and Project Financing, Planning and Design of Surface Mines, Mine Operations, Mine Capital and Operating Costs, Management and Organization, and Case Studies. The book is fully indexed.

Bentonite Functionalised With 2 3 2 Aminoethylthio Propylthio Ethanamine Aepe For The Removal Of Hg Ii From Wastewaters

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Author : Nina Siebers
language : en
Publisher: Diplomica Verlag
Release Date : 2008

Bentonite Functionalised With 2 3 2 Aminoethylthio Propylthio Ethanamine Aepe For The Removal Of Hg Ii From Wastewaters written by Nina Siebers and has been published by Diplomica Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.

In this study, natural bentonite clay was first purified and then functionalised with the chelating ligand 2-(3-(2-aminoethylthio)propylthio)ethanamine (AEPE) to improve the adsorption capacity and selectivity towards Hg(II) ions. The surface modification was characterised with the help of powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), BET isotherm to determine the specific surface area while the thermal stability of the samples was studied using thermogravimetric analysis (TGA). FT-IR and TGA demonstrated the presence of the chelating ligand on the modified clay. XRD pattern indicated that the chelating agent AEPE was only grafted onto the surface of the purified bentonite, whereas the interlayer distance did not change. N2 specific surface area measurement also indicated the coverage of AEPE onto the surface of purified bentonite. Adsorption of Hg(II) ions from aqueous solutions as a function of pH, contact time, initial concentration, ionic strength, interfering ions and adsorbent dose was studied. The adsorption process followed a pseudo-second order kinetics and monolayer adsorption. The adsorption of Hg(II) ions increased with increasing pH and reached a plateau value in the pH range of 4.0-8.0. The removal of Hg(II) was found to be higher than 99% at an initial concentration of 20 mg/L using adsorbent dose of 0.01 g. The presence of NaNO3 as background electrolytes at concentration ranging from 0.01 to 2.0 M decreased the adsorption of Hg(II) ions. Furthermore, the adsorption capacity increased with increasing adsorbent dose. Sorption data analysis was carried out using Langmuir isotherm for the uptake of Hg(II) ions at a concentration range of 20-400 mg/L. The adsorption process was found to be favourable as the separation parameter is less than unity (RL

Bentonite

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Author : Charles Wesley Davis
language : en
Publisher:
Release Date : 1940

Bentonite written by Charles Wesley Davis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1940 with Bentonite categories.

Bentonite Clay

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Author : Roland Pusch
language : en
Publisher: CRC Press
Release Date : 2015-06-09

Bentonite Clay written by Roland Pusch and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-09 with Science categories.

Studies the Environmental, Cosmetic, and Pharmaceutical Applications of Bentonite ClayBentonite clay, of which members of the smectite family of clay minerals are particularly important, has proven to be effective in sealing off wastes from groundwater. Bentonite Clay: Environmental Properties and Applications explores the mineralogy of clays in ge

Bentonites

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Author :
language : en
Publisher: Elsevier
Release Date : 2011-09-22

Bentonites written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-22 with Science categories.

Bentonites

Bentonite

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Author :
language : en
Publisher:
Release Date : 1980

Bentonite written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Bentonite industry categories.

Mechanical Properties Of Crushed Salt Bentonite Blocks

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Author : Walter H. Gerstle
language : en
Publisher:
Release Date : 1986

Mechanical Properties Of Crushed Salt Bentonite Blocks written by Walter H. Gerstle and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Bentonite categories.

Bentonite In Pennsylvania

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Author : Chesleigh Arthur Bonine
language : en
Publisher:
Release Date : 1929

Bentonite In Pennsylvania written by Chesleigh Arthur Bonine and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1929 with Bentonite categories.

Bentonite Coal And Uranium Deposits Of The Black Hills And Powder River Basin

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Author :
language : en
Publisher:
Release Date : 1985

Bentonite Coal And Uranium Deposits Of The Black Hills And Powder River Basin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Bentonite categories.

Bentonite In Alberta

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Author : P. J. S. Byrne
language : en
Publisher: Queen's Printer
Release Date : 1955

Bentonite In Alberta written by P. J. S. Byrne and has been published by Queen's Printer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1955 with Bentonite categories.