Market Trends of Calcium Hydroxide Industry
Wastewater Treatment to Dominate the Market
- Calcium hydroxide is used as a flocculant in wastewater treatment to clean industrial and drinking water. It can also be used to lower the water's hardness. One of the most successful and cost-effective alkaline products used in drinking water production, wastewater treatment, and sludge is calcium hydroxide, sometimes known as slaked lime.
- It improves drinking water quality by softening, neutralizing, and removing suspended contaminants. Water can also be disinfected by treating it with calcium hydroxide. The bacteria and viruses present in the water are primarily removed when the pH of the water is raised to 10.5 - 11 by adding calcium hydroxide over 24-72 hours. Also, the presence of dissolved heavy metals is eliminated.
- The Environmental Protection Agency (EPA) recommends using calcium hydroxide in wastewater treatment in the United States and Europe. Various ordinances govern sludge treatment. The therapy specifies the utilization of calcium hydroxide for treating and cleaning sludges.
- According to Stabel, the Belgian statistical office, Belgium's revenue from wastewater treatment was approximately EUR 612 million (~USD 650 million) as of the end of 2022, an increase of 8% over the same period the year before. Wastewater treatment generated about EUR 1.7 billion (USD 1.8 billion) in total revenue in 2022.
- The United States, which provides services for millions of Americans, is expected to increase the number of wastewater treatment plants in the coming years. It is owing to the funds granted by the government as part of the Water Infrastructure Finance and Innovation Act (WIFIA).
- According to the US Census Bureau, the total capital expenditures for water, sewage, and other system utilities in the United States in 2021 were close to USD 6 billion, an increase of 8% over the expenditures in the prior year, which were close to USD 5.5 billion.
- As per the various company reports, BASF SE accounted for the highest revenue in 2021 at approximately USD 89.4 billion in water and wastewater treatment revenue. It was followed by Dow at around USD 55 billion, and 3M at around USD 35.5 billion.
- Water and wastewater treatment is growing in importance due to rising populations, water scarcity, and declining water quality, owing to which countries like the United Kingdom, Germany, and France, established stringent regulations regarding wastewater treatment. This increased focus on wastewater treatment will likely boost the demand for calcium hydroxide.
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Asia-Pacific Region to Dominate the Market
- Asia-Pacific region dominated the global market share globally. With growing construction activities, increasing food and beverage, water treatment, and pulp and paper industry in countries such as China and India, calcium hydroxide usage is increasing in the region. Calcium hydroxide includes multiple applications in construction as a critical ingredient in the preparation of asphalt and mortars.
- Just 6% to 7% of the world's freshwater is found in China, despite the country having around 20% of the global population. According to the International Trade Administration, China intends to construct or upgrade 80,000 km of sewage collection pipeline networks between 2021 and 2025, increasing sewage treatment capacity by 20 million cubic m/day. Additionally, the development of wastewater treatment facilities in second and third-tier cities and chances for sewage pipeline maintenance will be made possible by China's strong regulatory backing and investment focus.
- In India, under the Swachh Bharat Mission (Urban) 2.0 launched in October 2021, INR 15,883 crore (~USD 2.16 billion) was being allocated to States/UTs for wastewater/used water management. It also includes setting up STPs and FSTPs (fecal sludge treatment plants).
- In addition, China's building industry is expanding dramatically. The fourth quarter of 2022 saw an increase in China's construction output of around 50% over the previous quarter (USD 27.6 billion), reaching an estimated CNY 276 billion (about USD 40 billion), according to the National Bureau of Statistics of China.
- The Indian government, in its Union Budget 2022-23 as well allocated INR 48,000 crores (~USD 5.8 billion) for its PM Aawas Yojana scheme, reiterating its commitment to building affordable homes for the urban poor.
- The building and construction sector in Japan also saw significant growth. According to Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT), total investments in the construction sector are expected to total over JPY 66,990 billion (USD 508,16 billion) in 2022, up roughly 0.6% from the previous year.
- The ASEAN building and construction sector's rising investment is projected to fuel market expansion in this area. In addition, the rapid urbanization of Southeast Asia may fuel the expansion of the industrial water treatment sector, which in turn may increase the region's need for calcium hydroxide.
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