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Separation processes—or processes that use physical, chemical, or electrical forces to isolate or concentrate selected constituents of a mixture—are essential to the chemical, petroleum refining, and materials processing industries. In this volume, an expert panel reviews the separation process needs of seven industries and identifies technologies that hold promise for meeting these needs, as well as key technologies that could enable separations. In addition, the book recommends criteria for the selection of separations research projects for the Department of Energy's Office of Industrial Technology.
Known as the Pine Tree State, Maine once led the world in lumber production. It was the first great lumber-producing region, with Bangor at its center. Today, the state has nearly eighteen million acres of timberland, and forest products still make up a major industry. Logging and Lumbering in Maine examines the history from its earliest roots in 1630 to the present, providing a pictorial record of land use and activity in Maine. The state's lumber industry went through several historical periods, beginning with the vast pine and spruce harvests, the organization of major corporate interests, the change from sawlogs to pulpwood, and then to sustained yields, intensive management, and mechanized harvesting. At the beginning, much of the region was inaccessible except by water, so harvesting activities were concentrated on the coast and along the principal rivers. Gradually, as the railroads expanded and roads were constructed into the woods, operations expanded with them and the river systems became vitally important for the transportation of timber out of the woods to the markets downstate. Logging and Lumbering in Maine traces these developments in the industry, taking a close look at the people, places, forests, and machines that made them possible.
This first comprehensive story of logging, lumbering, and forest conservation in Texas records the industry’s history from the earliest days of the Republic, when a few isolated operations provided for local needs, through the first four decades of the twentieth century. Supplemented by over one hundred photographs, many never before published, the text re-creates Texas’ heyday as one of the nation’s leading timber producers. At that time, the forested area equaled the state of Indiana. In the words of one visitor, the forest was “like a vast wave that has rolled in upon a level beach . . . creeping forward, thinning out, and finally disappearing, except where, along a river course, it pushes far inland.” The industry’s most significant growth occurred between the end of Reconstruction and the beginnings of World War II, when entrepreneurs from the North, the South, and the East ventured into the vast stands of virgin timber in the Texas Piney Woods. These pioneers, attracted by the great potential fortunes to be made, provided the capital, expertise, and energy that introduced large mills and railroads to Texas lumbering and developed markets for their products—not only in Houston, Dallas, and other Texas cities but also across the United States and throughout the world. Various lumber companies, logging and mill operations, company towns, and the genesis of forest conservation are all featured in the text and illustrations. This account will appeal to historians, conservationists, and general readers interested in the Texas lumber industry and in Texas economic history.
The updated seventh edition of the classic text on wood science and forestry The seventh edition of Forest Products and Wood Science: An Introduction offers a fully revised and updated review of the forest products industry. This classic text contains a comprehensive review of the subject and presents a thorough understanding of the anatomical and physical nature of wood. The authors emphasize its use as an industrial raw material. Forest Products and Wood Science provides thorough coverage of all aspects of wood science and industry, ranging from tree growth and wood anatomy to a variety of economically important wood products, along with their applications and performance. The text explores global raw materials, the increasing use of wood as a source of energy and chemicals and environmental implications of the use of wood. This edition features new material on structural composites, non-structural composites, durability and protection, pulp and paper, energy and chemicals, and global raw materials. This seventh edition of the classic work: Contains new information on a variety of topics including: structural composites, non-structural composites, durability and protection, pulp and paper, energy and chemicals and global raw materials Includes a fully revised text that meets the changing needs of the forestry, engineering, and wood science academics and professionals Presents material written by authors with broad experience in both the private and academic sectors Written for undergraduate students in forestry, natural resources, engineering, and wood science, as well as forest industry personnel, engineers, wood-based manufacturing and using professionals, the seventh edition of Forest Products and Wood Science updates the classic text that has become an indispensable resource.
Sequoia sempervirens, California coastal redwood, was Humboldt County's economic mainstay from the 1850s onwards. By the early 20th century, harvesting "red gold" was the major industry along California's North Coast, with Humboldt at the forefront of the industry. The first half of the 20th century saw technological changes in logging and milling. New uses for redwood included cigar boxes, "presto-logs," and core logs for plywood. The industry began reforestation practices, growing their own seedlings as early as 1907. World War I and the Great Depression impacted the industry, as did activism to preserve the redwoods. In the 1930s, the largest stand of old-growth redwoods was preserved, and the turmoil of the 1935 strike resulted in several strikers being killed in Eureka. This book explores Humboldt's early-20th-century lumber industry and day-to-day realities of life in the mills and woods in an era underrepresented in published logging history.
This report presents statistical information on the production, trade, consumption, and price of timber products in the United States. Although national data are shown for the most part, some material is given for regions, States, and Canada. Preliminary data for 1979 and 1980 are indicated as such. Italic numbers in parentheses refer to the annotated bibliography on page 77.
This report traces the flow of Californias 2000 timber harvest through the wood-using industries; provides a description of the structure, operations, and condition of Californias primary forest products industry; and briefly summarizes timber inventory and growth. Historical wood products industry changes are discussed, as well as trends in harvest, production, and sales. Employment and worker earnings in the states forest products industry also are examined, and an industry leaders assessment of past and future operating conditions is provided.