Download PDF by Bhamidimarri, Rao: Alternative waste treatment systems

By Bhamidimarri, Rao

ISBN-10: 0203497929

ISBN-13: 9780203497920

ISBN-10: 0203553756

ISBN-13: 9780203553756

ISBN-10: 1851662383

ISBN-13: 9781851662388

Court cases of the overseas convention held at Massey collage, Palmerston North, New Zealand, 26-27 may possibly 1988

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2. 3. 4. M. , Irrigation of pasture with meat-processing plant effluent. Proc. 42nd Industrial Waste Conf. May 1987, Purdue University, West Lafayette, Indiana, Lewis Publishers, Chelsea, Michigan, 1987, in press. , Irrigation of primary treated and anaerobically treated meat-processing wastes onto pasture: Lysimeter trials. Agric. Wastes, 1986, 18, 257–68. Amercian Public Health Association (APHA) Standard Methods for the Examination of Water and Wastewater. 16th Edn. Franson, APHA, 1985, p. 855.

In a two year study, effective removal of BOD (95% maximum annual removal), suspended solids (94%) and total nitrogen (67%) was achieved by the systems when operating at hydraulic detention times of 2 to 10 days. Under these conditions, indicator bacteria were reduced by up to 5 orders of magnitude. The study indicated that aquatic plants offer a technically simple, low cost, energy efficient method of treating sewage. The application of this technology was demonstrated in an aid project in which an aquatic plant system was incorporated in sewage treatment facilities for a small village in Papua New Guinea.

However, soils around Kawerau are derived from recent volcanic ashes, and underlying most soils of the Tarawera Plains are thick deposits of pumice, sands and gravels [5]. The predominant characteristic of the soil is its coarseness and free draining property. Deflocculation, resulting in reduced soil permeability, usually occurs because of the dispersion of the clay fraction of the soil and since pumice soils have a very low clay content, the likelihood of deflocculation occuring is reduced. Plant toxicity can also result from the accumulation of salts.

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Alternative waste treatment systems by Bhamidimarri, Rao


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