The surging population levels have massively increased the demand for water treatment, especially for making water suitable for drinking purposes across the world. In addition to this, the consumption of untreated water by the people in various developing nations such as Brazil, India, and Thailand has boosted the prevalence of various water-borne diseases such as cholera, typhoid, Hepatitis E, and Hepatitis A, which has, in turn, led to a huge spike in the demand for chlorine in these countries in recent times.
This is mainly because of the fact that Chlorine is one of the few chemicals available in the world that has the ability to effectively kill bacteria and various pathogens right at the initial stages and thus, prevent the occurrence of water-borne diseases. In addition to being used in water treatment processes, Chlorine is also used extensively in the production of polyvinyl chloride (PVC). The main reason behind the widespread usage of chlorine in PVC production is the ability of the compound to offer numerous advantages such as increased melt viscosity and high thermal stability in the production process.

Thus, with the increasing consumption of water and rising utilization of PVC in several industries, the global chlorine market will demonstrate huge rise in valuation, from $36,845.0 million to $63,121.6 million, during 2019–2030. Furthermore, “the COVID-19 outbreak has tremendously increased the demand for the effective removal of pathogens from water supplies, owing to which, the market is now predicted to advance at a CAGR of 5.2% from 2020 to 2030”, as per the estimates of the market research firm, P&S Intelligence.
In addition to being widely used in water treatment, chlorine is also extensively used in pulp & paper, plastics, pharmaceuticals, and pesticides producing processes. However, the water treatment facilities will remain the highest users of chlorine in the coming years. This is ascribed to the ability of the compound to disinfect water by killing bacteria and other unwanted pathogens present in it and make it fit for human consumption. Moreover, the increasing awareness amongst the masses about water-borne diseases and precautionary measures, especially after the COVID-19 pandemic, will further boost the demand for chlorine all over the world.
Geographically, the chlorine market recorded the highest growth in the Asia-Pacific (APAC) region in the past and this trend will continue in the future years as well. This is primarily credited to the large-scale utilization of this chemical in the various developing nations of APAC such as India, Thailand, and China mainly in the water treatment plants and pharmaceutical sector and also for the production of PVC and ethylene dichloride (EDC).
Hence, it can be said without any hesitation that the demand for chlorine will rise significantly throughout the world in the coming years, predominantly because of their increasing usage in water treatment and PVC production processes and also in the pharmaceuticals sector.
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