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Leonardite
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Bioprocessing and Biotreatment of Coal
Within technical overview sections on such emerging areas as bioprocessing, bioconversion, biosolubilization, biosystems and biocleaning, this handsomely illustrated reference specifically surveys pioneering work in the genetic production of sulfatase enzymes for removing organic sulfur from coal; r
Lignites of North America
Providing a comprehensive survey of the origin, the fundamental properties, and the technology of utilization of the lignites of North America, this book will be of particular interest to professional scientists and engineers working in coal research or coal technology. Coals display a continuum of properties, often with no sharp, steep change between ranks and thus the book restricts the discussion strictly to lignites (with the occasional comparisons with other coals). There is a very extensive index, making the contents of the book easily accessible to the reader.
Humic Substances
The biomaterials of humic substances are found in animals, coals, plants, sediments, soils, and waters. The abilities of these remarkable materials to buffer pH, retain water, be photoactive, be redox catalysts, sorb solutes, and bind metals are being more clearly understood by chemists, agronomists, and others. Ghabbour and Davies (both of Northeastern U., Boston) present 31 contributions from the latest humic substances seminar held in March of 2001. The papers cover a range of topics, including a look at the history of the study of the substances, discussions of the principles behind the study, the use of various kinds of methods to collect information, models and theories of humic structures, the process of imaging humic structures, commercial applications derived from coals, and agricultural applications for antimutagenesis. c. Book News Inc.
Composition and Properties of Drilling and Completion Fluids
Composition and Properties of Drilling and Completion Fluids, Fifth Edition, covers the fundamental principles of geology, chemistry, and physics that provide the scientific basis for drilling fluids technology. New material for drilling, logging, and production supervisors and engineers exlains how the choice of a drilling fluid and proper maintenance can profoundly reduce total well costs. It also defines technical terms necessary to the understanding of instructions and information provided by the mud engineer. Updated chapters discuss evaluation of drilling fluid performance, clay mineralogy and colloid chemistry, rheology, filtration properties, hole stability, drilling problems, and completion fluids.
