chemical industry

Topics: Sodium hydroxide, Chlorine, Sodium Pages: 39 (8317 words) Published: March 14, 2015
This report named ‘Demand analysis of caustic soda produced by ASM chemicals which is a tree branch of Aziz Group” is all about the production of caustic soda and its previous and current demand in the Bangladesh market. The topic was chosen because it is important to bring into limelight the importance of chemical industries in Bangladesh and the importance of caustic soda in producing innumerable essential consumer goods. I have discussed about the Organization, a short summary about my job responsibilities in Aziz Group. The main analysis was about the demand analysis of caustic soda, the competitors of ASM chemicals and the industries in which Aziz Group supplies caustic soda to. This report contains the details of caustic soda and the method how it is being produced by Aziz group. This report also carries valuable information regarding other types of chemicals produced by Aziz Group as well. I have also tried to point out the areas where Aziz Group has the opportunity to improve their condition.

2. Why demand analysis of caustic soda?
Sodium hydroxide, also known as caustic soda, or lye, is an inorganic compound with the chemical formula NaOH. It is a white solid and highly caustic metallic base and alkali salt which is available in pellets, flakes, granules, and as prepared solutions at a number of different concentrations. Sodium hydroxide forms an approximately 50% (by weight) saturated solution with water. Sodium hydroxide is soluble in water, ethanol and methanol. This alkali is deliquescent and readily absorbs moisture and carbon dioxide in air. Sodium hydroxide is used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleaner. Worldwide production in 2004 was approximately 60 million tonnes, while demand was 51 million tones.

Physical properties
Pure sodium hydroxide is a whitish solid, sold in pellets, flakes, and granular form, as well as in solution. It is highly soluble in water, with a lower solubility in ethanol and methanol, but is insoluble in ether and other non-polar solvents. Similar to the hydration of sulfuric acid, dissolution of solid sodium hydroxide in water is a highly exothermic reaction in which a large amount of heat is liberated, posing a threat to safety through the possibility of splashing. The resulting solution is usually colorless and odorless with slippery feeling upon contact in common with other alkalis.

General Uses of caustic soda
Sodium hydroxide is the principal strong base used in the chemical industry. In bulk it is most often handled as an aqueous solution, since solutions are cheaper and easier to handle. Sodium hydroxide, a strong base, is responsible for most of these applications. Another strong base such as potassium hydroxide is likely to yield positive results as well. Overall 56% of sodium hydroxide produced is used by the chemical industry, with 25% of the same total used by the paper industry. Sodium hydroxide is also used for the manufacture of sodium salts and detergents, for pH regulation, and for organic synthesis. It is used in the Bayer process of aluminium production. Sodium hydroxide is used in many scenarios where it is desirable to increase the alkalinity of a mixture, or to neutralize acids. For example, sodium hydroxide is used as an additive in drilling mud to increase alkalinity in bentonite mud systems, to increase the mud viscosity, and to neutralise any acid gas (such as hydrogen sulfide and carbon dioxide) which may be encountered in the geological formation as drilling progresses. In the same industry, poor quality crude oil can be treated with sodium hydroxide to remove sulfurous impurities in a process known as caustic washing. As above, sodium hydroxide reacts with weak acids such as hydrogen sulfide and mercaptans to give the non-volatile sodium salts which can be...

Bibliography: AZIZ GROUP. (2010). Audited Annual Report of AZIZ GROUP. DHAKA.
AZIZ GROUP. (2011). Audited Annual Report of AZIZ GROUP. DHAKA.
AZIZ GROUP. (2012). Audited Annual Report of AZIZ GROUP. DHAKA
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