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98 articles for “Carbon Source”
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Research ArticleOpen accessIn the abstractPreliminary Evaluation of a Permeable Reactive Barrier for Reducing Groundwater Nitrate Transport from a Large Onsite Wastewater SystemCharles Humphrey, Sushama Pradhan, Eban Bean et al.A permeable reactive barrier was installed between a large Onsite Wastewater System (OWS) and a monitoring well located down-gradient from the OWS. Groundwater samples from the well had shown elevated and increasing concentrations of NO3--N (>20 mg L-1 for 2 years). The barrier was constructed using woodchips from various tree species that were placed in a trench excavated to approximately … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 25 Aug 2015 · 7,372 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Hydrogen Addition on Diesel Engine Operation and NOx Emission: A Thermodynamic StudyPrateep Chaisermtawan, Sathaporn Chuepeng, Sompop JarungthammachoteProblem statement: The worldwide increasing energy demand and the environmental problem due to greenhouse gas emission, especially produced from fossil fuel combustion, have promoted research work to solve these crises. Diesel engine has proven to be one of the most effective energy conversion systems. It is widely used for power generation, land vehicles and marine power plant. To reduce diesel … …American Journal of Applied Sciences, Vol. 9, Issue 9 · 4 Aug 2012 · 7,767 accessesView PDFCite
Research ArticleOpen accessIn the abstractDecolorization of Distillery Effluent by Thermotolerant Bacillus subtilisSoni Tiwari, Rajeeva Gaur, Priyanka Rai, Ashutosh TripathiProblem statement: Ethanol production from sugarcane molasses generate large volume of effluent containing high Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) along with melanoidin, a color compound generally produced by “Millard reaction”. Melanodin is a recalcitrant compound degraded by specific microorganisms having ability to produce mono and di-oxygenases peroxidases, phenoxidases and laccases, are mainly responsible for degradation of … …American Journal of Applied Sciences, Vol. 9, Issue 6 · 14 Mar 2012 · 7,647 accessesView PDFCite
Research ArticleOpen accessIn the abstractIsolation of Amylolytic Bacteria from Viscera of Labeo rohita (Ham.) and Optimization of Alpha Amylase ExtractionDebabrat Baishya, Hridip Kumar SarmaProblem statement: Fish is largely consumed in the north-eastern part of India resulting in the generation of huge amount of fish viscera in the market places. These waste generated is not properly managed for disposal. Under such circumstances it is necessary to properly utilize this waste regenerating the possibility of environment friendly disposal. Besides, industrially and commercially useful biological products … …Current Research in Microbiology, Vol. 1, Issue 2 · 31 May 2011 · 8,051 accessesView PDFCite
Research ArticleOpen accessIn the abstractSynthesis and Characterization of Organotin(IV) N-Benzyl-N-Isopropyldithiocarbamate Compounds: Cytotoxic Assay on Human Hepatocarcinoma Cells (HepG2)Normah Awang, Ibrahim Baba, Nor Syaidatul Akmal Mohd Yousof, Nurul Farahana KamaludinProblem statement: Several studies on organotin(IV) dithiocarbamate compounds have been carried out but not on the synthesis and characterization together with cytotoxic assay of organotin(IV) N-benzyl-N-isopropyldithiocarbamate compounds. Approach: Three new organotin(IV) compounds of type N-benzyl-N-isopropyldithiocarbamate have been successfully synthesized by direct reaction between secondary amine with organotin(IV) chloride using in situ method. All the compounds were characterized using elemental analysis, … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 8,092 accessesView PDFCite
Research ArticleOpen accessIn the abstractEmissions Trading is free Market Environmentalism the Answer?Arpitha UpendraProblem statement: Emissions trading are a product of the ideology of free market environmentalism which propagates the utilization of the market and its forces in order to ensure the protection of the environment from industries and other sources of pollution. Approach: Does the market act as an effective tool to resolve the issue of climate change was the primary reason … …American Journal of Economics and Business Administration, Vol. 1, Issue 3 · 30 Sep 2009 · 7,388 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordASSESSMENT OF SURFACE WATER QUALITY IN AN ARSENIC CONTAMINATED VILLAGEKumud C. Saikia, Susmita GuptaArsenic contamination of ground water has occurred in various parts of the world, becoming a menace in the Ganga-Meghna-Brahmaputra basin (West Bengal and Assam in India and Bangladesh). Recently arsenic has been detected in Cachar and Karimganj districts of barak valley, Assam, bordering Bangladesh. In this area coli form contamination comprises the major constraint towards utilization of its otherwise ample … …American Journal of Environmental Sciences, Vol. 8, Issue 5 · 31 Aug 2012 · 7,517 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordCapturing Biogas: A Means to Reduce Green House Gas Emissions for the Production of Crude Palm OilS. Vijaya, A.N. Ma, Y. M. ChooProblem statement: The Malaysian oil palm industry is an important industry to the nation. In 2009 alone the total export earnings reached RM 49.6 billion. The industry is under constant attack of its performance from the perspective of the environment, especially with regard to its Green House Gas (GHG) Emissions. Being an export orientated industry; this issue has to be … …Current Research in Geoscience, Vol. 1, Issue 1 · 30 Jun 2010 · 14,389 accessesView PDFCite