requirements of the microorganisms and fulfill the technical objectives of the process. There are several stages where media are required in a fermentation process; inoculum (starter culture)‚ propagation steps‚ pilot-scale fermentations and the main production fermentations. According to Cruger W and Cruger A (1990); on a large scale‚ the sources of nutrients should be selected to create a medium which should meet as many as many possible of the following criteria: i. It should produce the maximum yield
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H2SO4‚ 6M NH3‚ 6M HCl‚ 6M NaOH‚ 1M NaCl‚ 1M Fe(NO3)3‚ 1M NiSO4‚ 1M AgNO3‚ 1M KSCN‚ 1M Ba(NO3)2‚ 1M Cu(NO3)2 respectively. The contents of the test tubes were determined by chemical experiments. Solution K-1 contained NiSO4 because when solution K-9‚ ammonia which was identified by its pungent odor‚ was added‚ an inky dark blue color was made. Iron (Fe (NO3)3) was determined to be in test tube K-2. KSCN was found in test tube K-11 since Fe (NO3)3 and KSCN makes a bloody color when mixed together. Flame
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wartime‚ to do everything in their power to help the country. Fritz Haber‚ a German scientist who said to be a patriot during the World-War 1. He put all his effort to invent the way of creating Ammonia‚ that to help Germany his country to defeat the enemies. And also as the creation of making Ammonia‚ he won the Nobel Prize in chemistry in 1918. Haber was born on December 9‚ 1868 in Breslau Germany. After the completion of his University studies‚ he worked for a time in his father’s chemical
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BACKGROUND Kindly give the major milestones of Eastern Gases from its inception. Answer: Eastern Gases (EGL) is a public limited company incorporated on February 14‚ 1995 and exclusively deals with LPG. In the year 1998‚ it commenced commercial production of bottling the LPG at its plant – Durgapur‚ West Bengal. EGL is among the largest dedicated liquefied petroleum gas (LPG) company of India amongst private sector players. In 2002‚ the company entered into marketing agreement with Indian Oil
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Human urine‚ for example‚ is a well-balanced nitrogen-rich quick-reacting liquid fertilizer. It contains nitrogen‚ potassium and phosphorus and other nutrients depending on the diet. The health risks associated with use of human urine in plant production are generally low‚ that is why it’s an adequate plant fertilizer. On another note‚ Indian tree (Polyalthia longifolia) is a small-to-medium-sized evergreen tree growing up to 15 meters. Its leaves are long‚ narrow and oblanceolate‚ dark green
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young. The fishes would have been quite happy by then‚ but as they grow to full sizes their room in the fish pond is certainly reduced. In addition if your pond uses only an average filter the wastes generated by these mature fishes which include ammonia and nitrite can certainly build up. This can prove fatal to the lives of your fishes. To avert such a situation‚ make sure that you do not overstock your pond with fishes. If you feel that the fishes are too high‚ make sure to transport them to
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alpha-imino acid is rapidly hydrolyzed to form an alpha-keto acid with the production of an ammonia molecule. This alpha-keto acid further undergoes decarboxylation reaction of Step (3) under a heated condition to form an aldehyde that has one less carbon atom than the original amino acid. A carbon dioxide molecule is produced here. These first three steps produce the reduced ninhydrin and ammonia that are required for the production of color in the last two Steps (4) and (5). The overall reaction for
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for a minimum production rate of 100‚ 000 metric tonnes/year. 1.1 INTRODUCTION Recently‚ production of acrylonitrile has been increasing every year in many countries. The rapid growth of the industry is mainly attributed to the availability of oil and gas as feedstock‚ a well-developed infrastructure‚ and a strong base of supporting services‚ the country’s cost competitiveness‚ as well as strategic location and its close proximity to major markets. These increasing productions come from
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drops of 6 M NaOH were added. This was to test to see if any solution was amphoteric‚ where any insoluble metal precipitate dissolved after the additional 6 M NaOH was added. The results were recorded and each solution was disposed of. To being the ammonia test‚ 5 new centrifuge tubes were each added 10 drops of one cation and labeled correspondingly. 15 M NH4OH was then added drop wise (about 20 drops) to each solution and the color of the solution and/or the color of the precipitate formed was recorded
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91 Chapter 5 Sources of plant nutrients and soil amendments A large number of diverse materials can serve as sources of plant nutrients. These can be natural‚ synthetic‚ recycled wastes or a range of biological products including microbial inoculants. Except for microbial inoculants (biofertilizers)‚ all of these contain one‚ two or several plant nutrients in readily or potentially available forms. A certain supply of mineral and organic nutrient sources is present in soils‚ but
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