International Journal of Environment and Bioenergy
ISSN: 2165-8951 (online)Search Article(s) by:
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Current Issue: Vol. 14 No. 1or Keyword in Title:
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Table of Content for Vol. 14 No. 1, 2019

Extraction and Characterization of Algal Oil from Chroococcus minimus (Keissler) Lemm and Aphanocapsa grevillei (Hass.) Rabenh
Sonule Manju and Mulani Ramjan
 PP. 1 - 12
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ABSTRACT: Microalgae are the rapidly growing plants on the earth surface and renewable resource of energy containing rich protein, lipids and vitamins in their body. This study demonstrates the pure culturing of algal strains on BG-11 medium and production of algal oil from Chroococcus minimus (Keissler) Lemm and Aphanocapsa grevillei (Hass.) Rabenh. The extraction of algal oil was done by soxhlet method. GCMS analysis revealed the presence of Hexadecanoic acid, trimethylsilyl ester and 3-Naphthalen-2-yl-3-piperidin-1-yl-propan-1-ol, Dodecyl acrylate in Chroococcus minimus (Keissler) Lemmwhile1b,5,5,6a-Tetramethyl-octahydro-1- oxacyclopropa (a) inden-6-one, 2-Propanoic acid, oxybis (methyl-2,1-ethanediyl) ester, Oxirane, tetradecyl, 3,7,11,15-Tetramethyl-2-hexadecen-1-ol, n-Hexadecanoic acid, Propanic acid, 3-mercapto, dodecyl ester, Phytol, 9,12 Octadecadienoic acid (zz), 3-Naphthalen-2yl-3-Piperidin-1-yl-Propan-1-ol, 9 (2, 2 Dimethylpropanoihydrazono)-3,6-dichloro-2,7-bis-(2-diethylamino)-ethoxyl) fluore, Tert-Hexadecanethiol, 1-Docosene, 9,12-Octa decadienoyl Chloride (zz),1,2-15,16-Diepoxyhexadecane and Squalene compounds are present in Aphanocapsa grevillei (Hass.) Rabenh. Presence of these compounds may be useful in the area of pharmaceutical, cosmetics and biofuel etc.

Spectroscopic Determination of Heavy Metal Concentrations in Tap Water for Health Benefits
Birhan Belay and Kusse Gudishe Goroya
 PP. 13 - 19
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ABSTRACT: This study was aimed to measure concentration of six heavy metals: Cadmium(Cd), Chromium(Cr), Copper(Cu), Lead(Pb), Nickel(Ni), and Zinc(Zn) at sub- ppm levels in tap water using Inductively Coupled Plasma-Optical Emission Spectrometry. Results showed that only the heavy metals Cd and Zn present in studied samples reaching maximum average value of 0.0005±0.0002 ppm and 0.0050±0.0010 ppm, respectively. However, the maximum levels of the concentration of the both detected heavy metals did not reach the maximum limit allowed for human health. The rest of the heavy metals that underwent test in this research work were under the limit of detection method.