Introduction:
Sodium hypochlorite is NaOCl. The term hypochlorite means low in oxygen. In water solution, there are two forms of hypochlorite ions: hypochlorous acid (HOCl) and Hypochlorite ion (OCl−). They have different chemicals reactions because they have different charges. Hypochlorous acid is an intermediate product between chlorine gas and ordinary salt (sodium chloride). Its reaction with ammonia produces chloramines. The main application of sodium hypochlorite is as a sanitizer for drinking water and swimming pools.
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Uses of Sodium Hypochlorite:
In food industry, industrial as well as domestic applications, sodium hypochlorite is used for sanitizing purposes. It is also known to be used in cleaning industries and swimming pools.
It has other industrial uses too like in agriculture and construction. In agriculture, it is used as a disinfectant and pH regulator while in construction industries it can be utilized for water purification processes or etching of concrete surfaces.
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Sodium hypochlorite solution is also added to bathtubs and sinks so that they are cleaned properly. Even in cosmetics industries, it can be used for bleaching hair or removing stains from fabrics. These are some important uses of sodium hypochlorite but there could be many more unknown uses of it. This chemical is also used in manufacturing pulp and paper products such as toilet papers, tissues etc.
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Manufacturing Process:
Sodium hypochlorite is normally produced in three stages: chlorination, neutralisation, and dilution. NaCl is combined with HOCl or HOCl in the chlorination stage to produce NaOCl or NaOCl, respectively.
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The reaction takes place at a high temperature (above 100 °C) and under high pressure (1-2 bar). The rate of reaction is determined by the concentration of chlorine gas and the time it spends in contact with salt solution.
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At normal pressure, it takes roughly an hour for 90% of NaCl to react entirely. Excess HCl from the chlorination stage is eliminated in the neutralisation stage by adding caustic soda (NaOH), which combines with HCl to form water and salt.
This phase also generates heat, which must be evacuated in order to keep the reaction temperature at the desired level. NaOCl or NaOCl created in previous stages is combined with water at a high temperature (80 °C) in the dilution stage. After cooling to normal temperature, the mixture is transformed into Sodium hypochlorite.
Benefits of Starting Sodium Hypochlorite Manufacturing Business:
The business has a lot of room to develop because it’s simple to start with a modest investment and has a wide range of applications. Because of increased demand from various industrial sectors such as textiles, paper & pulp, oil & gas, food & beverage, pharmaceuticals, and so on, the market for sodium hypochlorite is rapidly expanding. Rapid urbanisation, combined with rising public awareness of the importance of cleanliness and hygiene, is propelling these industries forward, resulting in growing demand for sodium hypochlorite throughout the Asia Pacific area.
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Global Market size:
The sodium hypochlorite market is estimated to grow at a CAGR of 4.7 percent between 2021 and 2030, rising from $266.0 million in 2020 to $422.5 million in 2030. Insights into the worldwide market The need for sodium hypochlorite in the wastewater chemical treatment industry has risen considerably as a result of expanding urbanisation and industrialization, particularly in emerging economies like India, which is helping to drive the sodium hypochlorite market forward. In the coming years, exponentially expanding bleach demand from the textile and pulp and paper industries is predicted to boost the sodium hypochlorite market. There will be a rise in demand for during the projection period. The usage of sodium hypochlorite in the medical industry to disinfect surgical tools and hospital environments is expected to boost the sodium hypochlorite market. Furthermore, as more people become aware of the significance of regularly cleaning office spaces, public restrooms, malls, and complexes, demand for sodium hypochlorite is rising, propelling the market ahead.
Key Players:
- Advance Chemicals
- The Clorox Company
- Hawkins
- ICL
- Kemira
- Occidental Petroleum Corporation
- Odyssey Manufacturing
- Olin Corporation
- PCC Group
- Vynova Group
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