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Stabilization of Heavy Metals in Portland Cement Matrix

Stabilization of Heavy Metals in Portland Cement Matrix
Author: JI. Bhatty
Publisher:
Total Pages: 16
Release: 1996
Genre: Cement
ISBN:

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Effects of heavy metals on the physical and chemical properties of cement pastes were studied using different types of cement, four metal oxides and four soluble metal salts. Type I (high aluminate content) and Type V (low aluminate content) cements were used to study the effects of their chemical differences on paste properties and metal stabilization. Fresh pastes were tested for workability, initial setting times, and heats of hydration. Hardened pastes were tested for strength and leachability by both TCLP and column leaching with acetic acid.


Stabilization and Solidification of Hazardous, Radioactive, and Mixed Wastes

Stabilization and Solidification of Hazardous, Radioactive, and Mixed Wastes
Author: Roger D. Spence
Publisher: CRC Press
Total Pages: 392
Release: 2004-12-28
Genre: Science
ISBN: 142003278X

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The development of stabilization and solidification techniques in the field of waste treatment reflects the efforts to better protect human health and the environment with modern advances in materials and technology. Stabilization and Solidification of Hazardous, Radioactive, and Mixed Wastes provides comprehensive information including case studie


Low Carbon Stabilization and Solidification of Hazardous Wastes

Low Carbon Stabilization and Solidification of Hazardous Wastes
Author: Daniel C.W. Tsang
Publisher: Elsevier
Total Pages: 592
Release: 2021-09-24
Genre: Science
ISBN: 0128242523

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Low Carbon Stabilization and Solidification of Hazardous Wastes details sustainable and low-carbon treatments for addressing environmental pollution problems, critically reviewing low-carbon stabilization/solidification technologies. This book presents the latest state-of-the-art knowledge of low-carbon stabilization/solidification technologies to provide cost-effective sustainable solutions for real-life environmental problems related to hazardous wastes including contaminated sediments. As stabilization/solidification is one of the most widely used waste remediation methods for its versatility, fast implementation and final treatment of hazardous waste treatment, it is imperative that those working in this field follow the most recent developments. Low Carbon Stabilization and Solidification of Hazardous Wastes is a necessary read for academics, postgraduates, researchers and engineers in the field of environmental science and engineering, waste management, and soil science, who need to keep up to date with the most recent advances in low-carbon technologies. This audience will develop a better understanding of these low-carbon mechanisms and advanced characterization technologies, fostering the future development of low-carbon technologies and the actualization of green and sustainable remediation. Focuses on stabilization/solidification for environmental remediation, as one of the most widely used environmental remediation technologies in field-scale applications Details the most advanced and up-to-date low-carbon sustainable technologies necessary to guide future research and sustainable development Provides comprehensive coverage of low-carbon solutions for treating a variety of hazardous wastes as well as contaminated soil and sediment


Immobilization of Some Heavy Metals in Cement Pastes

Immobilization of Some Heavy Metals in Cement Pastes
Author: Maha Mohamed
Publisher: LAP Lambert Academic Publishing
Total Pages: 228
Release: 2012-05
Genre:
ISBN: 9783659119989

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The immobilization of some heavy metal salts such as CoCl2, CuCl2, NiCl2 and Pb(NO3)2 in various cement matrices is investigated using the solidification/stabilization (s/s) technique. The different cement pastes used in this study were neat Portland cement in absence and presence of water reducing- and water repelling-admixtures as well as blended cements with kaolin and metakaolin. The heavy metals were introduced to the cementitious materials in the form of soluble salts [CoCl2, CuCl2, NiCl2 and Pb(NO3)2] in two ratios (0.5 and 1.0% by weight of the solid binder). Then, the hydration characteristics of the used cement pastes is tested via the determination of the combined water content, phase composition and compressive strength at different time intervals from 1 up to 180 days.