Natural Soda Ash

Natural Soda Ash

Author: D. E. Garrett

Publisher: Springer

Published: 1992-01-31

Total Pages: 706

ISBN-13:

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Known as one of the world's major industrial chemicals natural soda ash plays a critical role in glass and ceramics industries, production of chemicals, cleansing and bleaching, and metallurgy. Natural soda ash is also preferable to synthetic types because its production is purer and requires less energy with virtually no harmful environmental effects. Essential data on the properties, sources, processing requirements, and applications of natural soda ash fill this guide, making it valuable to both manufacturers and users. The formation, occurrence and history of natural soda ash deposits are covered along with specific chemical, physical and mineralogical characteristics. Explanations of processing techniques demonstrate how to convert soda ash into commercial products. Included are new methods and technologies for large-scale soda ash production, safe handling procedures and marketing strategies.


Management and Development of Agricultural and Natural Resources in Egypt's Desert

Management and Development of Agricultural and Natural Resources in Egypt's Desert

Author: Ahmed A. Elkhouly

Publisher: Springer Nature

Published: 2021-05-31

Total Pages: 544

ISBN-13: 3030731618

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This book reviews the economic potential of various natural resources found in the Egyptian deserts that could help fill the food gap in Egypt, e.g., the date palm, olives, and domestic animals. Bearing in mind that the entire country is subject to arid or hyperarid climatic conditions, only a small portion (3% of total area) is agriculturally productive in comparison, the dominant deserts. These aspects, combined with a growing population (ca. 100 million citizens) and water resources scarcity, have produced severe adverse effects on natural resource utilization. This book presents innovative methods for addressing desert soil's key problems (soil erosion, salinity, pollution, decreased fertility, minerals, and weed and pest control). Its goal is to help authorities reclaim the desert and optimally utilize the minerals and the available natural resources to support the sustainability agenda 2030. Besides, it offers researchers guidance on remaining gaps and future research directions. Lastly and importantly, it provides essential information on investment opportunities in desert cultivation, such as the fields of food, fodder, and medicinal plants.


The Vegetation of Egypt

The Vegetation of Egypt

Author: M.A. Zahran

Publisher: Springer Science & Business Media

Published: 2008-11-23

Total Pages: 451

ISBN-13: 140208756X

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This book is an attempt to compile and integrate the information documented by many botanists, both Egyptians and others, about the vegetation of Egypt. The ? rst treatise on the ? ora of Egypt, by Petrus Forsskal, was published in 1775. Records of the Egyptian ? ora made during the Napoleonic expedition to Egypt (1778–1801) were provided by A. R. Delile from 1809 to 1812 (Kassas, 1981). The early beginning of ecological studies of the vegetation of Egypt extended to the mid-nineteenth century. Two traditions may be recognized. The ? rst was general exploration and survey, for which one name is symbolic: Georges-Auguste Schweinfurth (1836–1925), a German scientist and explorer who lived in Egypt from 1863 to 1914. The second tradition was ecophysiological to explain the plant life in the dry desert. The work of G. Volkens (1887) remains a classic on xeroph- ism. These two traditions were maintained and expanded in further phases of e- logical development associated with the establishment of the Egyptian University in 1925 (now the University of Cairo). The ? rst professor of botany was the Swedish Gunnar Tackholm (1925–1929). He died young, and his wife Vivi Tackholm devoted her life to studying the ? ora of Egypt and gave leadership and inspiration to plant taxonomists and plant ecologists in Egypt for some 50 years. She died in 1978. The second professor of botany in Egypt was F. W.