The Flotation Process
Author: Thomas Arthur Rickard
Publisher:
Published: 1916
Total Pages: 378
ISBN-13:
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Author: Thomas Arthur Rickard
Publisher:
Published: 1916
Total Pages: 378
ISBN-13:
DOWNLOAD EBOOKAuthor: Lawrence K. Wang
Publisher: Springer Science & Business Media
Published: 2010-06-09
Total Pages: 694
ISBN-13: 1588294943
DOWNLOAD EBOOKThe past 30 years have seen the emergence of a growing desire worldwide that positive actions be taken to restore and protect the environment from the degrading effects of all forms of pollution – air, water, soil, and noise. Since pollution is a direct or indirect consequence of waste, the seemingly idealistic demand for “zero discharge” can be construed as an unreal- tic demand for zero waste. However, as long as waste continues to exist, we can only attempt to abate the subsequent pollution by converting it to a less noxious form. Three major questions usually arise when a particular type of pollution has been identi?ed: (1) How serious is the pollution? (2) Is the technology to abate it available? and (3) Do the costs of abatement justify the degree of abatement achieved? This book is one of the volumes of the Handbook of Environmental Engineering series. The principal intention of this series is to help readers formulate answers to the last two questions above. The traditional approach of applying tried-and-true solutions to speci?c pollution p- blems has been a major contributing factor to the success of environmental engineering and has accounted in large measure for the establishment of a “methodology of pollution control. ” However, the realization of the ever-increasing complexity and interrelated nature of current environmental problems renders it imperative that intelligent planning of pollution abatement systems be undertaken.
Author: Herbert Ashton Megraw
Publisher:
Published: 1916
Total Pages: 272
ISBN-13:
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Publisher:
Published: 1928
Total Pages: 458
ISBN-13:
DOWNLOAD EBOOKAuthor: Thomas Arthur Rickard
Publisher:
Published: 1921
Total Pages: 716
ISBN-13:
DOWNLOAD EBOOKAuthor: Richard Pennefather Rothwell
Publisher:
Published: 1917
Total Pages: 986
ISBN-13:
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Publisher:
Published: 1917
Total Pages: 984
ISBN-13:
DOWNLOAD EBOOKAuthor: Mostafa Benzaazoua
Publisher: MDPI
Published: 2020-02-11
Total Pages: 172
ISBN-13: 3039281720
DOWNLOAD EBOOKThe extraction of apatite minerals is becoming more and more crucial with the depletion of high-grade ores. At the same time, many streams of waste are continuously being produced by the phosphate industry, including calcareous and siliceous waste rocks, clayey sludge and phosphogypsum. These waste products are produced in huge volumes reaching a ratio of between 5 to 10 tons of waste per each ton of concentrated phosphate. The management of these waste products is becoming a real issue in terms of growing public awareness and environmental and financial aspects. In addition, phosphate ores are known to contain other critical raw materials (CRM) such as rare earth elements and uranium. The recovery of these vital elements from phosphate waste may help to develop the needs of the green energy of the future and contribute to the achievement of the sustainable development goals. In this Special Issue, insights related to the following aspects were studied: phosphate extraction and beneficiation, novel phosphate ores, the fine characterization of phosphate ores and waste, phosphoric acid production, critical raw material (CRM) recovery from phosphate ores and waste, reprocessing of phosphate wastes and finally the valorization and reuse of phosphate waste and phosphogypsum.
Author: P.M.J Gray
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 303
ISBN-13: 9400908091
DOWNLOAD EBOOKAuthor: G. V. Rao, Vibhuti N. Misra
Publisher: Allied Publishers
Published: 2004
Total Pages: 878
ISBN-13: 9788177645996
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