Domestic Wastewater Treatment in Developing Countries PDF Download
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Author: Duncan Mara
Publisher: Routledge
ISBN: 1136567925
Category : Nature
Languages : en
Pages : 311
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Book Description
Affordable and effective domestic wastewater treatment is a critical issue in public health and disease prevention around the world, particularly so in developing countries which often lack the financial and technical resources necessary for proper treatment facilities. This practical guide provides state-of-the-art coverage of methods for domestic wastewater treatment and provides a foundation to the practical design of wastewater treatment and re-use systems. The emphasis is on low-cost, low-energy, low-maintenance, high-performance 'natural' systems that contribute to environmental sustainability by producing effluents that can be safely and profitably used in agriculture for crop irrigation and/or in aquaculture, for fish and aquatic vegetable pond fertilization. Modern design methodologies, with worked design examples, are described for waste stabilization ponds, wastewater storage and treatment reservoirs; constructed wetlands, upflow anaerobic sludge blanket reactors, biofilters, aerated lagoons and oxidation ditches. This book is essential reading for engineers, academics and upper-level and graduate students in engineering, wastewater management and public health, and others interested in sustainable and cost-effective technologies for reducing wastewater-related diseases and environmental damage.
Author: Duncan Mara
Publisher: Routledge
ISBN: 1136567925
Category : Nature
Languages : en
Pages : 311
Get Book Here
Book Description
Affordable and effective domestic wastewater treatment is a critical issue in public health and disease prevention around the world, particularly so in developing countries which often lack the financial and technical resources necessary for proper treatment facilities. This practical guide provides state-of-the-art coverage of methods for domestic wastewater treatment and provides a foundation to the practical design of wastewater treatment and re-use systems. The emphasis is on low-cost, low-energy, low-maintenance, high-performance 'natural' systems that contribute to environmental sustainability by producing effluents that can be safely and profitably used in agriculture for crop irrigation and/or in aquaculture, for fish and aquatic vegetable pond fertilization. Modern design methodologies, with worked design examples, are described for waste stabilization ponds, wastewater storage and treatment reservoirs; constructed wetlands, upflow anaerobic sludge blanket reactors, biofilters, aerated lagoons and oxidation ditches. This book is essential reading for engineers, academics and upper-level and graduate students in engineering, wastewater management and public health, and others interested in sustainable and cost-effective technologies for reducing wastewater-related diseases and environmental damage.
Author: N. J. Hawkins
Publisher:
ISBN:
Category : Hazardous wastes
Languages : en
Pages : 26
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Book Description
Author: George Sabo
Publisher:
ISBN:
Category : History
Languages : en
Pages : 318
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Book Description
Author:
Publisher:
ISBN:
Category : Water quality management
Languages : en
Pages : 482
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Book Description
Author: Nancy Isenberg
Publisher: Penguin
ISBN: 110160848X
Category : History
Languages : en
Pages : 482
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Book Description
The New York Times bestseller A New York Times Notable and Critics’ Top Book of 2016 Longlisted for the PEN/John Kenneth Galbraith Award for Nonfiction One of NPR's 10 Best Books Of 2016 Faced Tough Topics Head On NPR's Book Concierge Guide To 2016’s Great Reads San Francisco Chronicle's Best of 2016: 100 recommended books A Washington Post Notable Nonfiction Book of 2016 Globe & Mail 100 Best of 2016 “Formidable and truth-dealing . . . necessary.” —The New York Times “This eye-opening investigation into our country’s entrenched social hierarchy is acutely relevant.” —O Magazine In her groundbreaking bestselling history of the class system in America, Nancy Isenberg upends history as we know it by taking on our comforting myths about equality and uncovering the crucial legacy of the ever-present, always embarrassing—if occasionally entertaining—poor white trash. “When you turn an election into a three-ring circus, there’s always a chance that the dancing bear will win,” says Isenberg of the political climate surrounding Sarah Palin. And we recognize how right she is today. Yet the voters who boosted Trump all the way to the White House have been a permanent part of our American fabric, argues Isenberg. The wretched and landless poor have existed from the time of the earliest British colonial settlement to today's hillbillies. They were alternately known as “waste people,” “offals,” “rubbish,” “lazy lubbers,” and “crackers.” By the 1850s, the downtrodden included so-called “clay eaters” and “sandhillers,” known for prematurely aged children distinguished by their yellowish skin, ragged clothing, and listless minds. Surveying political rhetoric and policy, popular literature and scientific theories over four hundred years, Isenberg upends assumptions about America’s supposedly class-free society––where liberty and hard work were meant to ensure real social mobility. Poor whites were central to the rise of the Republican Party in the early nineteenth century, and the Civil War itself was fought over class issues nearly as much as it was fought over slavery. Reconstruction pitted poor white trash against newly freed slaves, which factored in the rise of eugenics–-a widely popular movement embraced by Theodore Roosevelt that targeted poor whites for sterilization. These poor were at the heart of New Deal reforms and LBJ’s Great Society; they haunt us in reality TV shows like Here Comes Honey Boo Boo and Duck Dynasty. Marginalized as a class, white trash have always been at or near the center of major political debates over the character of the American identity. We acknowledge racial injustice as an ugly stain on our nation’s history. With Isenberg’s landmark book, we will have to face the truth about the enduring, malevolent nature of class as well.
Author: K. Fisher
Publisher: Springer Science & Business Media
ISBN: 9781402002731
Category : Computers
Languages : en
Pages : 228
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Book Description
Mapping Biology Knowledge addresses two key topics in the context of biology, promoting meaningful learning and knowledge mapping as a strategy for achieving this goal. Meaning-making and meaning-building are examined from multiple perspectives throughout the book. In many biology courses, students become so mired in detail that they fail to grasp the big picture. Various strategies are proposed for helping instructors focus on the big picture, using the `need to know' principle to decide the level of detail students must have in a given situation. The metacognitive tools described here serve as support systems for the mind, creating an arena in which learners can operate on ideas. They include concept maps, cluster maps, webs, semantic networks, and conceptual graphs. These tools, compared and contrasted in this book, are also useful for building and assessing students' content and cognitive skills. The expanding role of computers in mapping biology knowledge is also explored.
Author: Henry C. Bradsby
Publisher:
ISBN:
Category : Bureau County (Ill.)
Languages : en
Pages : 914
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Book Description
Author: Cresson H. Kearny
Publisher: Skyhorse
ISBN: 1510702059
Category : Medical
Languages : en
Pages : 320
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Book Description
A field-tested guide to surviving a nuclear attack, written by a revered civil defense expert. This edition of Cresson H. Kearny’s iconic Nuclear War Survival Skills (originally published in 1979), updated by Kearny himself in 1987 and again in 2001, offers expert advice for ensuring your family’s safety should the worst come to pass. Chock-full of practical instructions and preventative measures, Nuclear War Survival Skills is based on years of meticulous scientific research conducted by Oak Ridge National Laboratory. Featuring a new introduction by ex-Navy SEAL Don Mann, this book also includes: instructions for six different fallout shelters, myths and facts about the dangers of nuclear weapons, tips for maintaining an adequate food and water supply, a foreword by “the father of the hydrogen bomb,” physicist Dr. Edward Teller, and an “About the Author” note by Eugene P. Wigner, physicist and Nobel Laureate. Written at a time when global tensions were at their peak, Nuclear War Survival Skills remains relevant in the dangerous age in which we now live.
Author: P. Scott Corbett
Publisher:
ISBN:
Category : History
Languages : en
Pages : 1886
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Book Description
U.S. History is designed to meet the scope and sequence requirements of most introductory courses. The text provides a balanced approach to U.S. history, considering the people, events, and ideas that have shaped the United States from both the top down (politics, economics, diplomacy) and bottom up (eyewitness accounts, lived experience). U.S. History covers key forces that form the American experience, with particular attention to issues of race, class, and gender.
Author: Henry I. Shaw, Jr.
Publisher: CreateSpace
ISBN: 9781499779752
Category : History
Languages : en
Pages : 124
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Book Description
When this monograph was published almost 30 years ago, then History and Museums Director Brigadier General Edwin H. Simmons wrote: "Today's generation of Marines serve in a fully integrated Corps where blacks constitute almost one-fifth of our strength. Black officers, noncommissioned officers, and privates are omnipresent, their service so normal a part of Marine life that it escapes special notice. The fact that this was not always so and that as little as 34 years ago (in 1941) there were no black Marines deserves explanation." This statement holds true for this edition of Blacks in the Marine Corps, which has already gone through several previous reprintings. What has occurred since the first edition of Blacks in the Marine Corps has been considerable scholarship and additional writing on the subject that deserve mention to a new generation of readers, both in and outside the Corps. First and foremost is Morris J. MacGregor, Jr.'s Integration of the Armed Forces 1940-1965 (Washington, D.C.: U.S. Army Center of Military History, 1981) that documents the Armed Forces efforts as part of the Defense Studies Series. The volume is an excellent history of a social topic often difficult for Service historical offices to deal with.
