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EBookClubs

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Book Livestock and the Environment

Download or read book Livestock and the Environment written by M. L. Rowe and published by . This book was released on 1979 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book EPA 600 2

Download or read book EPA 600 2 written by and published by . This book was released on 1979 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Scientific and Technical Aerospace Reports

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1979 with total page 1074 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Research Reporting Series

Download or read book Research Reporting Series written by and published by . This book was released on 1978 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Monthly Catalogue United States Public Documents

Download or read book Monthly Catalogue United States Public Documents written by and published by . This book was released on 1979 with total page 1212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The New York Bight

Download or read book The New York Bight written by and published by . This book was released on 1980 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Monthly Catalog of United States Government Publications

Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1968 with total page 1122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Energy from Biological Processes

Download or read book Energy from Biological Processes written by and published by . This book was released on 1980 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Publications a Quarterly Guide

Download or read book Publications a Quarterly Guide written by and published by . This book was released on 1979 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Aquaculture Research

Download or read book Aquaculture Research written by and published by . This book was released on 1983 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Wastewater Treatment in Constructed Wetlands with Horizontal Sub Surface Flow

Download or read book Wastewater Treatment in Constructed Wetlands with Horizontal Sub Surface Flow written by Jan Vymazal and published by Springer Science & Business Media. This book was released on 2008-07-15 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wetlands have been used for uncontrolled wastewater disposal for centuries. However, the change in attitude towards wetlands during the 1950s and 1960s caused the minimization of the use of natural wetlands for wastewater treatment (at least in developed countries). Constructed wetlands have been used for wastewater treatment for about forty years. Constructed wetland treatment systems are engineered systems that have been designed and constructed to utilize the natural processes for removal of pollutants. They are designed to take advantage of many of the same processes that occur in natural wetlands, but do so within a more controlled environment. The aim of this book is to summarize the knowledge on horizontal s- surface flow constructed wetlands (HF CWs) and objectively evaluate their treatment efficiency under various conditions. The information on this type of wastewater treatment technology is scattered in many publications but a comprehensive summary based on world-wide experience has been lacking. The book provides an extensive overview of this treatment technology around the world, including examples from more than 50 countries and examples of various types of wastewater treated in HF CWs.

Book Miscellaneous Publication

Download or read book Miscellaneous Publication written by and published by . This book was released on 1983 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Effect of Operational Variables on Nitrogen Transformations in Duckweed Stabilization Ponds

Download or read book Effect of Operational Variables on Nitrogen Transformations in Duckweed Stabilization Ponds written by Julia Rosa Caicedo Bejarano and published by CRC Press. This book was released on 2005-03-24 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an urgent need to develop and improve low cost technologies for wastewater treatment. Simultaneously treating wastewater and producing duckweed in a pond system is, therefore, an attractive solution contributing to both environmental protection and food production. Duckweed has excellent qualities: a high protein content, a high growth rate and is an easy crop to handle. The small plant turns nitrogen from wastewater into a food source. This thesis reports on the effect of different operational variables, like anaerobic pre-treatment, the combination of algae and duckweed ponds and pond depth. Improved nitrogen removal was obtained through the combination of duckweed ponds with algae ponds. Duckweed pond systems could be designed with shallow depth without affecting nitrogen removal efficiency. This research is the result of the cooperative effort between the EIDENAR, Univalle, Cali, Colombia and the UNESCO-IHE Institute for Water Education in Delft, the Netherlands.