Froth on the Daydream


Book Description




Froth and Scum


Book Description

Two notorious antebellum New York murder cases--a prostitute slashed in an elegant brothel and a tradesman bludgeoned by the brother of inventor Samuel Colt--set off journalistic scrambles over the meanings of truth, objectivity, and the duty of the press that reverberate to this day. In 1833 an entirely new kind of newspaper--cheap, feisty, and politically independent--introduced American readers to the novel concept of what has come to be called objectivity in news coverage. The penny press was the first medium that claimed to present the true, unbiased facts to a democratic audience. But in Froth and Scum, Andie Tucher explores--and explodes--the notion that 'objective' reporting will discover a single, definitive truth. As they do now, news stories of the time aroused strong feelings about the possibility of justice, the privileges of power, and the nature of evil. The prostitute's murder in 1836 sparked an impassioned public debate, but one newspaper's 'impartial investigation' pleased the powerful by helping the killer go free. Colt's 1841 murder of the tradesman inspired universal condemnation, but the newspapers' singleminded focus on his conviction allowed another secret criminal to escape. By examining media coverage of these two sensational murders, Tucher reveals how a community's needs and anxieties can shape its public truths. The manuscript of this book won the 1991 Allan Nevins Prize of the Society of American Historians for the best-written dissertation in American history. from the book Journalism is important. It catches events on the cusp between now and then--events that still may be changing, developing, ripening. And while new interpretations of the past can alter our understanding of lives once led, new interpretations of the present can alter the course of our lives as we live them. Understanding the news properly is important. The way a community receives the news is profoundly influenced by who its members are, what they hope and fear and wish, and how they think about their fellow citizens. It is informed by some of the most occult and abstract of human ideas, about truth, beauty, goodness, and justice.




Frothing in Flotation II


Book Description

Dr. J. S. Laskowski has written several papers on frother-collector interactions and the effect of such interactions on flotation kinetics, and on frothers chemistry and frothing. He is founder and Editor-in-Chief of the journal, Coal Preparation. Dr. E. T. Woodburn has published numerous papers on flotation froth and flotation kinetics. Frothing in Flotation, published in honor of Jan Leja, appeared in 1989. Many important contributions on various aspects of flotation froth properties and behavior and the relationship between froth appearance and flotation performance have appeared since, and this volume intends to summarize these achievements. Flotation kinetics involves a number of mass transfer processes with some of them being critically determined by the behavior of froth. Since froth is complex, and controlled experimentation is difficult, the froth phase was, until recently, either ignored or treated entirely empirically. With wide applications of flotation columns, the behavior of the froth is now often recognized as being dominant in determining flotation performance, and the research in this area is one of the most actively pursued.




Frothing in Flotation II


Book Description

Dr. J. S. Laskowski has written several papers on frother-collector interactions and the effect of such interactions on flotation kinetics, and on frothers chemistry and frothing. He is founder and Editor-in-Chief of the journal, Coal Preparation. Dr. E. T. Woodburn has published numerous papers on flotation froth and flotation kinetics. Frothing in Flotation, published in honor of Jan Leja, appeared in 1989. Many important contributions on various aspects of flotation froth properties and behavior and the relationship between froth appearance and flotation performance have appeared since, and this volume intends to summarize these achievements. Flotation kinetics involves a number of mass transfer processes with some of them being critically determined by the behavior of froth. Since froth is complex, and controlled experimentation is difficult, the froth phase was, until recently, either ignored or treated entirely empirically. With wide applications of flotation columns, the behavior of the froth is now often recognized as being dominant in determining flotation performance, and the research in this area is one of the most actively pursued.




Extractive Metallurgy of Copper


Book Description

This new edition has been extensively revised and updated since the 3rd edition published in 1994. It contains an even greater depth of industrial information, focussing on how copper metal is extracted from ore and scrap, and how this extraction could be made more efficient. Modern high intensity smelting processes are presented in detail, specifically flash, Contop, Isasmelt, Noranda, Teniente and direct-to-blister smelting. Considerable attention is paid to the control of SO2 emissions and manufacture of H2SO4. Recent developments in electrorefining, particularly stainless steel cathode technology are examined. Leaching, solvent extraction and electrowinning are evaluated together with their impact upon optimizing mineral resource utilization. The book demonstrates how recycling of copper and copper alloy scrap is an important source of copper and copper alloys. Copper quality control is also discussed and the book incorporates an important section on extraction economics. Each chapter is followed by a summary of concepts previously described and offers suggested further reading and references.




SME Mineral Processing and Extractive Metallurgy Handbook


Book Description

This landmark publication distills the body of knowledge that characterizes mineral processing and extractive metallurgy as disciplinary fields. It will inspire and inform current and future generations of minerals and metallurgy professionals. Mineral processing and extractive metallurgy are atypical disciplines, requiring a combination of knowledge, experience, and art. Investing in this trove of valuable information is a must for all those involved in the industry—students, engineers, mill managers, and operators. More than 192 internationally recognized experts have contributed to the handbook’s 128 thought-provoking chapters that examine nearly every aspect of mineral processing and extractive metallurgy. This inclusive reference addresses the magnitude of traditional industry topics and also addresses the new technologies and important cultural and social issues that are important today. Contents Mineral Characterization and AnalysisManagement and ReportingComminutionClassification and WashingTransport and StoragePhysical SeparationsFlotationSolid and Liquid SeparationDisposalHydrometallurgyPyrometallurgyProcessing of Selected Metals, Minerals, and Materials







Froth Poems


Book Description

Poetry. Bilingual Edition. Translated from the Polish by Piotr Florczyk. "At the start of this book you will find one of my favorite poems from contemporary Poland, 'My Wife's Spine.' 'And when my wife's pregnant / her spine is a bough of an apple tree, ' Jaros aw Miko ajewski begins, innocently enough, and then: 'On nights of animal love / it is the zipper in a suitcase / that won't close, even under a knee' and wow, we say, just about to take a surprised breath, when a poet surprises us again: 'On nights of human love / it is the steel rope / at the highest voltage, ' and he goes on, with each metaphor more unpredictable than the previous: 'On the noon walk / my wife's spine is the flag / carried by the pilgrims' guide in a crowded church.' This is contemporary European poetry at its best, I think: tender, unpredictable, a hymn, a love poem, a moment of laughter, of revelation. And, there are many moments like that in this collection, where 'the earth howls loudly / because I've gone upstairs' reading such lines one thinks of the lineage of Vasko Popa and Miroslav Holub, but there is a new music, too, set 'to the words that have aged / since the last trip / "aeroporto" and "areoporto"' and there is new wisdom, too: 'how the words age in me, ' says the poet. Indeed. 'They are like soft gums / losing teeth.' This is beautiful poetry. One's gratitude is to Piotr Florczyk for bringing this new voice, previously unknown to Americans, and making this poet available in lines that captivate. Polish poets are much beloved in America today, but introducing a new voice is never an easy task. And Florczyk has done this many times over. This generosity of spirit is astounding." Ilya Kaminsky "Who's Jaros aw Miko ajewski? Is he an angry poet? No, not really. Is he pater familias? Yes, he is, but this doesn't tell us much about his poetry. Reading his poems we follow his itinerary, we go with him to Rome he's at home in the Italian culture though his first home is in Warsaw, we see his wife, his daughters, we remember his father. Miko ajewski's poetry is alive. This is a huge praise, maybe the highest one: it's not an academic enterprise. His poems are kicking, running, appealing to us, readers. His poems live." Adam Zagajewski"




Froth Flotation


Book Description

&Quot;Froth Flotation: A Century of Innovation comprehensively describes state-of-the-art research and practice in mineral froth flotation a century after its introduction. Recognized experts from around the world provide in-depth coverage on many facets of flotation, including the historical aspects; fundamentals; chemistry; flotation cells, modeling, and simulation; and flotation plant practice. This commemorative volume is an invaluable reference for industry professionals, researchers, and graduate students."--BOOK JACKET.




Surface Chemistry of Froth Flotation


Book Description

The process of froth flotation is an outstanding example of applied surface chemistry. It is extensively used in the mining, mineral, metallurgical, and chemical industries for separation and selective concentration of individual minerals and other solids. Substances so concentrated serve as raw materials for producing appropriate metals and chemicals. The importance of flotation in technology is chiefly due to the ease with which it can be made selective and versatile and to the economy of the process. The objective of this book is to review the fundamentals of surface chemistry together with the relevant aspects of organic and inorganic chemistry that-in the opinion of the author-are important ~ control of the froth flotation process. The review updates the information that had been available in books by Sutherland and Wark (1955), Gaudin (1957), Klassen and Mokrousov (1963), and GIembotsky et al. (1963). It emphasizes mainly the surface chemical aspects of the process, leaving other relevant topics such as hydrodynamics, mechanical and electrical technology, cir cuit design and engineering, operations research, instrumentation tech nology, modeling, etc., to appropriate specialized treatments.