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502.37 --- 502.36 --- In situ remediation --- bioremediatie --- bodemsanering --- extractie --- in situ hybridisatie --- In situ treatment of wastes --- Remediation, In situ --- Pollution --- Restoration, salvage, rescue measures. Sanitation --- Scientific and technical conservation measures. Environmental engineering --- (zie ook: reiniging grond) --- 502.36 Scientific and technical conservation measures. Environmental engineering --- 502.37 Restoration, salvage, rescue measures. Sanitation

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This volume describes the principles of chemical delivery and mixing systems and their design and implementation for effective in situ remediation. The intended audiences include the decision makers, practicing engineers and hydrogeologists who will select, design and operate remedial systems, as well as the researchers seeking to improve the current state of the science and technology. Our hope is that this volume will serve as a useful resource to assist remediation professionals in designing, applying and developing remedial technologies as effectively as possible. Topics addressed in this volume include: ·         An overview of the current state of understanding related to in situ chemical delivery and mixing, including a brief review of some of the remaining challenges and ongoing research. ·         A tutorial on the reactions and processes of importance in groundwater remediation. Chapter 2 focuses on chemical and biological processes, while Chapter 3 focuses on transport and mixing. ·         A discussion of available hydrogeochmicalmodeling approaches, including a detailed discussion of the travel-time approach to modeling. Protocols for practical implementation for design and monitoring of processes are included. ·         Design issues and principles for introducing and mixing chemicals with groundwater contaminants are discussed, including: §  Recirculation systems, where mixing is controlled through and takes place mostly in wells is presented. The challenges of operating and maintaining injection-extraction wells, the non-uniform distribution of biomass, plugging issues, and strategies such as pulsing are discussed. Case studies are provided. §  The use and design of reactive barriers—where contaminants are brought through normal groundwater advection to the reacting chemicals contained within permeable barrier walls through which the groundwater passes—are discussed. §  Technologies such as air sparging used for introducing and mixing gaseous reactants as well as for removing volatile contaminants are discussed. Ageneral background on processes for mixing of gases is provided along with design issues forair sparging. Case studies are included. §  Intrinsic remediation in natural-gradient systems, where the kinetics are controlled through mixing of contaminant plumes with ambient species, such as dissolved oxygen, over long periods of times is covered. Issues including monitoring and estimation of long-term reaction rates, lengths of plumes, and other important parameters are illustrated with case studies. §  The special case of source remediation and its challenges are discussed. Each chapter in this volume has been thoroughly reviewed for technical content by one or more experts in each of the subject areas covered. The editors and chapter authors have produced a well-written and up-to-date treatise that we hope will be a useful reference for those making decisions on remediation of contaminated groundwater and for those involved in research and development of advanced technology for the in situ remediation of groundwater.

Groundwater -- Pollution. --- Groundwater -- Purification. --- In situ remediation. --- In situ remediation --- Groundwater --- Civil & Environmental Engineering --- Earth & Environmental Sciences --- Engineering & Applied Sciences --- Environmental Engineering --- Environmental Sciences --- Pollution --- Purification --- In situ treatment of wastes --- Remediation, In situ --- Environment. --- Environmental chemistry. --- Environmental management. --- Environmental engineering. --- Biotechnology. --- Environmental Management. --- Environmental Engineering/Biotechnology. --- Environmental Chemistry. --- Chemical engineering --- Genetic engineering --- Environmental stewardship --- Stewardship, Environmental --- Environmental sciences --- Management --- Chemistry, Environmental --- Chemistry --- Ecology --- Environmental control --- Environmental effects --- Environmental stresses --- Engineering --- Environmental health --- Environmental protection --- Sustainable engineering

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Groundwater --- Soil remediation. --- In situ remediation. --- Purification. --- 556.31 --- 631.618 --- 502.37 --- 579.63 --- Properties of groundwater --- Reclamation of industrial and mined land --- Restoration, salvage, rescue measures. Sanitation --- Sanitary microbiology. Microbiology in public health. Biofiltration --- 579.63 Sanitary microbiology. Microbiology in public health. Biofiltration --- 502.37 Restoration, salvage, rescue measures. Sanitation --- 631.618 Reclamation of industrial and mined land --- 556.31 Properties of groundwater --- In situ remediation --- Soil remediation --- Cleanup of contaminated soil --- Remediation of contaminated soil --- Soil cleanup --- Soil contamination remediation --- Soil protection --- Soil pollution --- In situ treatment of wastes --- Remediation, In situ --- Pollution --- Purification --- Groundwater - Purification.

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Hazardous wastes --- Soil remediation. --- In situ remediation. --- Environmental aspects. --- 502.37 --- 504.53 --- 631.618 --- -In situ remediation --- Soil remediation --- Cleanup of contaminated soil --- Remediation of contaminated soil --- Soil cleanup --- Soil contamination remediation --- Soil protection --- Soil pollution --- In situ treatment of wastes --- Remediation, In situ --- Pollution --- Hazardous waste disposal --- Poisonous wastes --- Toxic waste disposal --- Toxic waste release --- Toxic wastes --- Waste disposal --- Wastes, Hazardous --- Factory and trade waste --- Hazardous substances --- Refuse and refuse disposal --- Restoration, salvage, rescue measures. Sanitation --- Earth surface. Soil environment --- Reclamation of industrial and mined land --- Environmental aspects --- 631.618 Reclamation of industrial and mined land --- 504.53 Earth surface. Soil environment --- 502.37 Restoration, salvage, rescue measures. Sanitation --- In situ remediation --- Hazardous wastes - Environmental aspects.

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"Study on Heterotrophic-Autotrophic Denitrification Permeable Reactive Barriers (HAD PRBs) for In Situ Groundwater Remediation” is an unmatched reference work on PRBs for groundwater in situ remediation. It proposes a novel HAD PRB approach for nitrate-contaminated groundwater remediation, and provides a systematic and clear explanation of design concepts and denitrification mechanisms. The book consists of four chapters, each of which covers key aspects of HAD PRBs. It provides rich, easy-to-follow illustrations, tables and references. Unique as a comprehensive reference work on the subject, it will serve as a valuable resource for all engineers and scientists active in environmental science and engineering, groundwater science, engineering and molecular biology. Prof. Fei Liu works at China University of Geosciences (Beijing), China. Dr. Guoxin Huang works at Beijing Academy of Food Sciences, China. Both Prof. Howard Fallowfield and Prof. Huade Guan work at Flinders University, Australia. Assistant Engineer Lingling Zhu works at Geological Publishing House, China. Assistant Engineer Hongyan Hu works at Hydrogeology and Engineering Geology Prospecting Institute of Heilongjiang Province, China.

Groundwater --- In situ remediation. --- Purification. --- In situ treatment of wastes --- Remediation, In situ --- Environment. --- Hydrogeology. --- Environmental sciences. --- Environmental engineering. --- Biotechnology. --- Water pollution. --- Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution. --- Environmental Engineering/Biotechnology. --- Environmental Science and Engineering. --- Pollution --- Environmental pollution. --- Hydraulic engineering. --- Engineering, Hydraulic --- Engineering --- Fluid mechanics --- Hydraulics --- Shore protection --- Chemical engineering --- Genetic engineering --- Chemical pollution --- Chemicals --- Contamination of environment --- Environmental pollution --- Contamination (Technology) --- Asbestos abatement --- Bioremediation --- Environmental engineering --- Environmental quality --- Factory and trade waste --- Hazardous waste site remediation --- Hazardous wastes --- In situ remediation --- Lead abatement --- Pollutants --- Refuse and refuse disposal --- Environmental aspects --- Geohydrology --- Geology --- Hydrology --- Environmental science --- Science --- Environmental control --- Environmental effects --- Environmental stresses --- Environmental health --- Environmental protection --- Sustainable engineering --- Aquatic pollution --- Fresh water --- Fresh water pollution --- Freshwater pollution --- Inland water pollution --- Lake pollution --- Lakes --- Reservoirs --- River pollution --- Rivers --- Stream pollution --- Water contamination --- Water pollutants --- Water pollution --- Waste disposal in rivers, lakes, etc.