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Books > Professional & Technical > Industrial chemistry & manufacturing technologies > Timber & wood processing > General
Guide to the properties and uses of Southern African Wood is a fully illustrated, scientifically accurate guide to the characteristics, properties and uses of wood from 140 Southern African tree species. Species treatments include information on conservation status, uses, mechanical properties, durability, identification features, woodworking properties and comments from wood users on workability. Photographs of tree bark, untreated and treated wood, end-grain macrographs, as well as worked items. Provides information on historical uses, where trees grow, availability and sustainability of the woods and the practicalities of harvesting and processing. Superior quality text and excellent reproduction and printing. The only commercially available book which focuses on the properties of Southern African wood, written in a style that will appeal to a wide audience: professional woodworkers, designers, architects, wood dealers and wood collectors, hobbyists, botanists and anyone interested in trees and wood. A must-have for all who love wood and trees!
This book provides an in-depth examination of sawdust and its potential uses and hazards. In chapter one, Yaning Zhang, Bingxi Li, Haochun Zhang, Hongtao Li, Yijun Zhao, and Baocheng Jiang offer research on the exergy of (or maximum work obtainable by) sawdust. Next, Professor Augustine Uchechukwu Elinwa presents research on the potential use of sawdust as cement. In chapter three, Gabriela Nacu and Laura Bulgariu give a synopsis of the use of sawdust as a low-cost absorbent in the treatment of industrial wastewaters while also stressing the most significant benefits of its application. Following this, Redouane Ouafi, Zakia Rais, Mustapha Taleb, Mohamed Benabbou, and Meryem Asri further discuss the efficiency of using sawdust in the absorption of heavy-metals water pollution with the aim of relieving water stress. In closing, Mirjana Stajic, Jelena Vukojevic, and Jasmina Cilerdic look at the potential for sawdust to produce healthful foods and open the door for new species to be farmed commercially if used as a feedstock for food production.
Die Suider-Afrikaanse subkontinent is besonder ryk aan inheemse boomspesies (sowat 2100) wat in grootte wissel van struikagtiges tot oeroue, hooggroeiende reuse. Baie van die boomspesies en die natuurlike omgewing waarin hulle voorkom, is al deeglik bestudeer en gedokumenteer in bele algemene beskikbare publikasies. Inligting oor hulle hour is egter beperk en nie maklik toeganklik vir die algemene publiek nie. Hierdie boek bevat inligting oor die hourkenmerke en houteienskappe van 140 Suider-Afrikaanse houtsoorte (134 inheemse en ses uitheemse spesies).
Oxbow says: Henry's Mill was just one of thousands of sawmills established in Victoria (Australia) from the 1850s to the Second World War. Rather than focusing on industrial and technological aspects of the mill, Peter Davies presents a social and material history of the lives of the men, women and children living and working at the mill. Based on archaeological and historical evidence, including documentary and oral sources, he asks who the people were that moved to the mill to seek work, where they had come from and their motives for re-locating. He goes on to study their living and working conditions, hygiene, illness and injury, the supply of goods and, and markets for the timber, as well as issues of community development, isolation, integration and consumption practices within the community of Henry's Mill.
Assuming you don't want your cabinets, ready-to-assemble (RTA) furniture or other products made from plywood to smell like dirty diapers, a quick look at the Complete Guide to Hardwood Plywood and Face Veneer by Ang Schramm is in order. According to Schramm, South American Lapuna Sumauma wood has a high starch content that is susceptible to attack by anaerobic bacteria while sitting on the bottoms of holding ponds at the veneer plant. The byproducts, butyric acid and caproic acid, exude an odor that may not always be noticeable in properly dried wood in dry conditions but becomes offensive when humidity increases. As can be expected, veneer from this species is in low demand and therefore cheap, and manufacturers buying on price point alone can find themselves in possession of a product whose odor is, at this time, irreversible and without remedy. Not all of the content in this book is so esoteric. The book's 157 pages are organized into sections covering variations in appearance, the veneer manufacturing process, types of veneer matching, grades and product standard, substrates, the hardwood plywood manufacturing process, meeting customer expectations, and troubleshooting common problems. Liberally sprinkled with black-and-white photographs and diagrams, the book gives excellent detail on describing, the processes of plywood and veneer manufacturing so the reader can better understand the advantages and limitations of the product and the various processes. For instance, the chapter on troubleshooting provides a diagram showing why one side of veneer (tight side) is more heat-reflective and impervious to finish than is the other (loose) side, which is more light-refractive and absorbent. By understanding the relative differences between the sides and why those differences exist, it is then possible to present an explanation why starch book-matching veneers has the problem of adjacent sheets of veneer having different light-reflecting/refracting and finish absorbing characteristics. The manual can then proceed to explain different techniques to overcome the variation and present a more uniform appearance (in this case, glue-sizing or wash coating) and to recommend specific products to help achieve the desired result.
Designed to work effectively both as a manual for the logging industry and as a textbook for timber harvesting courses. The sequence of the chapters on logging and associated activities coincides with the consecutive steps in logging - from acquiring the timber through its final transport. This second edition emphasizes environmental considerations - such as the increasing need to reduce excessive soil movement and subsequent siltation.
An in-depth look at the chemistry and chemical technology involved in the manufacture of pulp and paper, the properties of paper, and the uses for paper. This new edition contains contributions by forty recognized authorities in the field. Emphasizes the underlying science and technology and reviews, in detail, chemical and engineering principles. Includes numerous tables, illustrations, and a complete bibliography.
Wood is an ideal building material for sustainable architecture. It grows back and absorbs large quantities of CO2. But where does it actually come from in each case, and how will we make forestry and wood processing fit for the future? In what ways are conventional notions of professions and qualifications in architecture, engineering, and construction tested by using wood as building material? French journalist Michele Leloup together with architect Francois Leclercq - a pioneer of timber construction in France - have for a long time explored the ecological, economic, industrial, and technical challenges of using timber for major structures and urban architecture. This book summarises their findings using examples from the French forestry and construction industry. It also takes a look at Austria and the innovative work by Hermann Kaufmann, an internationally revered leader in the further development of traditional timber architecture. In addition, the book features five projects by Leclercq Associes. Richly and attractively illustrated with new images by French architecture photographer Cyrille Weiner, The Wood That Makes Our Cities offers a concise survey of topical questions and findings in contemporary timber construction.
A practical, proven approach to failure analysis of wood and wood-based products using a full range of forensic analysis methods In "Failure Analysis of Wood and Wood-Based Products" an expert in the areas of failure analysis, coatings, and wood preservatives presents innovative ways to analyze obvious wood failure and answer the important question of what went wrong--and who has to pay. The book provides an in-depth look at the various common causes of damage to wood and wood-based materials, including surface and coating damage by chemical influences, damage linked to design and conditions of use, and material characteristics. Analytical methods that can in many cases be carried out locally are presented. Offers a full range of forensic analysis methods, including wood moisture measurement, light microscopy, physical and chemical processes, frottage, imprints, lighting, and staining Many of the described techniques are easy to perform and do not require bringing in outside experts. The methods are designed to clearly convey findings to persons of any background and level of understanding
This handbook provides essential information on toxicology, risk assessment, analysis, monitoring, human and ecological effects, treatment alternatives, ecosystem health, compliance, and much more.
Industries are developing radical, new biotechnology processes to expand and develop their range of products that originate from the world's forests. As a result of the growing understanding of the process involved, biotechnology is also helping reduce any adverse impact on the environment.; This book presents a review of specialist research directed towards efficient and environmentally sensitive use of forests. An introductory chapter explaining the structure and anatomy of wood is followed by a chapter-by-chapter review of the most current developments on individual topics associated with a wide range of forest products such as timber, trees, pulp and paper, drugs and valuable chemicals. In addition, chapters focus on the ways of resolving some of the environmental problems faced by these industries.
This atlas presents anatomical descriptions of the xylem, bark and pith of 264 species belonging to 71 families. It highlights the anatomical diversity of trees, shrubs, dwarf shrubs, woody lianas and several of the prominent perennial herbs from the Eastern Mediterranean region, with a focus on the island of Cyprus. The island's topography and biogeographic history combine to provide a wide range of habitats and diverse flora including widespread, endemic, and ornamental species. The monograph for each species includes a description of the anatomical structures of the stem and twig xylem and the twig's bark and pith, as well as color micrographs of double-stained sections of each of these plant parts. These entries are accompanied by a photograph and a brief description of the plant including stem wood density, height, habit, flower, leaf and fruit characteristics, and a map showing its geographic and altitudinal distribution in the region. Xylem descriptions follow the IAWA lists of microscopic features for hardwood and softwood identification. For bark and pith descriptions, a new coding system developed by the authors is applied. Lastly, the work offers a key for wood identification that was developed to differentiate between groups of species by using a small number of features that are unambiguous and clearly visible. The atlas will be a valuable guide for botanists, ecologists, foresters, archeologists, horticulturists and paleobotanists. |
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