Calcium Hydroxide Market Size Forecast to Reach $5.4 Billion by 2027

Calcium Hydroxide Market | IndustryARC
Increasing Focus on Waste Waster Treatment Driving the Growth of Calcium Hydroxide Market.

Calcium Hydroxide Market size is forecast to reach US$5.4 billion by 2027, after growing at a CAGR of 4.6% during 2022-2027. Calcium Hydroxide is also known as caustic lime, slaked lime, or hydrated lime. Calcium Hydroxide is widely employed as a flocculant in the treatment of drinking water and wastewater, where it not only eliminates contaminants to clean the water but also enhances the water quality by neutralizing and softening it. In 2021, the Mexican government granted roughly 38 infrastructure tenders for wastewater treatment plant construction, modernization, or restoration. The government allocated roughly 2 billion pesos (US$ 99 million) in the federal budget for 2021 to cover up to 60% of municipalities and utilities wastewater treatment projects. These initiatives are expected to boost calcium hydroxide market growth. However, the growing use of renewable energy sources for power generation in utility plants, which eliminates the requirement for flue gas treatment, is likely to limit the market growth.

COVID-19 Impact

The abrupt outbreak of the COVID-19 pandemic in the first half of 2020 prompted major global economies to impose nationwide lockdowns in order to contain the virus’s spread. Due to a manpower shortage and a paucity of raw materials, industrial activities slowed, affecting the expansion of numerous sectors around the world. However, unlike other industries, the calcium hydroxide market is not much affected, as demand for calcium hydroxide for water and wastewater treatment has increased as a result of increased focus on hygiene following the Covid crisis, as well as strict government regulations for industrial and municipal effluent in various countries. Calcium hydroxide was also in high demand from the food and beverage and agriculture industries. In the first wave of Covid -19, there was a reduction in demand from the construction and paper & pulp industries, which impacted the calcium hydroxide industry. However, due to the rapid recovery in the construction sector and other industries, demand for calcium hydroxide increased in the second half of 2020.

Calcium Hydroxide Market Segment Analysis – By Application

Water and wastewater treatment dominated the Calcium Hydroxide market in 2021 and is forecasted to grow at a CAGR of 4.8% during the forecast period. Calcium hydroxide, often known as hydrated lime, is a cost-effective alkaline substance used as a flocculant in the wastewater treatment sector to clean both industrial and drinking water. It’s also good for lowering the hardness of the water. In North America and Europe, the Environmental Protection Agency (EPA) has mandated the use of calcium hydroxide in wastewater treatment. The handling of sludges is governed by a number of regulations. The procedure calls for the treatment and cleansing of sludges with calcium hydroxide. Therefore, the growth in water treatment plants is accelerating the calcium hydroxide market growth. For instance, Acciona announced intentions to construct a water treatment plant in the Mexican municipality of Los Cabos in May 2021. The project’s budget is estimated to be roughly US$ 159 million. The project’s water treatment capacity is anticipated to be 250 liters per second or 7,884,000 m3 per year. The new facility is scheduled to be delivered by 2023.

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Calcium Hydroxide Market Segment Analysis – By Geography

Asia Pacific dominated the Calcium Hydroxide market with a share of 38% in 2021 and is growing at a CAGR of 4.2% during the forecast period 2022-2027. Calcium hydroxide has many applications in construction as a vital element in the manufacturing of asphalt and mortars, and its use is increasing in the region as a result of growing building activity in countries such as China and India. The effluents produced in many industries, including electricity production, chemicals, food and beverage, mineral processing, and pulp and paper, among others, necessitate water treatment. North China accounts for around 90% of the country’s coal-based industry. Furthermore, North China has fewer freshwater reserves, and the majority of China’s population gets their drinking water from groundwater sources, which are either untreated or improperly treated by municipal water suppliers. As a result, the Chinese government began to focus more on restructuring of pollution treatment measures, such as the treatment of water and industrial wastewater. China has intensified its focus and efforts in order to fight the country’s high levels of pollution. The issue is addressed in the 13th Five-Year Plan, and the government published the Water Pollution Prevention and Control Action Plan in 2015, with the goal of preventing significantly polluting sectors from poisoning water supplies. However, China’s most recent environmental assessment remains pessimistic, claiming that 61.5 percent of groundwater and 28.8 percent of major rivers are “unfit for human contact.” Water treatment is in high demand in China in order to rectify the country’s chronic water contamination, which is driving up the demand for calcium hydroxide. Increased investment in the ASEAN building and construction industry is expected to fuel market expansion in this region. Aside from that, Southeast Asia has had a boom in urbanisation, which may contribute to the expansion of the industrial water treatment industry, which in turn may increase demand for calcium hydroxide in the region.

Calcium Hydroxide Market Drivers

Increasing Focus on Waste Waster Treatment

Calcium hydroxide water treatment can also be used to disinfect water. The bacteria and viruses present in the water are largely removed when the pH of the water is raised to between 10.5 and 11 by adding calcium hydroxide over a period of 24 to 72 hours. The United States, which serves approximately 240 million people, is expected to increase the number of wastewater treatment plants in the coming years as a result of government funds provided as part of the Water Infrastructure Finance and Innovation Act (WIFIA). For instance, in August 2021, Pennsylvania American Water announced the commencement of the development of a new wastewater treatment plant in the U.S. The approximate cost of the project is around US$ 8.7 million. The wastewater treatment plant is scheduled to be completed by the end of 2022. Furthermore, since surface and groundwater pollution is quickly rising around the world, countries such as the United Kingdom, Germany, and France have enacted strict wastewater treatment legislation. Calcium hydroxide demand is projected to rise as a result of the increased focus on wastewater treatment.

Easy Availability and Cost Effectiveness of Calcium Hydroxide

Calcium hydroxide, often known as hydrated lime, is used in the Kraft process, as a flocculant in water treatment, pH neutralization, and flue gas cleaning in the pulp and paper industry. Calcium Hydroxide is also used in whitewashing, earthen dams, building foundations, soil stabilization for roadways, and as the principal element in mortar and plaster in lime slurry form in the construction industry.  Calcium Hydroxide has been identified as a versatile chemical compound that is both cost-effective and widely available around the world. Calcium Hydroxide’s immense utility in various industries, combined with applications such as increasing the efficacy of absorption, accelerating the kinetics of reactions, and capturing gas pollutants, boosts its demand and is expected to propel the market for Calcium Hydroxide over the forecast period.

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Calcium Hydroxide Market Challenges

Health Hazards Associated with Calcium Hydroxide

The health concerns associated with Calcium Hydroxides, such as skin irritation, lung damage, chemical burns, rashes, and others, are the primary limitations to the market expansion of Calcium Hydroxide. Calcium hydroxide used in food is typically considered safe. Ingesting industrial-grade calcium hydroxide, on the other hand, can cause calcium hydroxide poisoning. Calcium hydroxide is poisonous, according to the National Institutes of Health, and exposure to it can cause major health concerns. According to the National Institutes of Health, accidentally ingesting calcium hydroxide can induce severe throat pain, a burning sensation in the mouth, abdominal pain, vomiting, bloody faeces or vomit, rapidly lowering blood pressure, and collapse. Calcium hydroxide is often utilized in no-lye hair relaxer treatments, according to Absolute Astronomy; the FDA advises that overuse of these products can cause burning and damage to the hair and scalp. Therefore, these factors may affect the calcium hydroxide market growth.

Calcium Hydroxide Market Industry Outlook

Technology launches, acquisitions, and R&D activities are key strategies adopted by players in the market. Calcium Hydroxide top 10 companies include:


Hydrite Chemical Co.

Singleton Birch Ltd

Innovo Chemicals Limited

Nordkalk Co.

Lhoist Group

Mississippi Lime Company

Graymont Ltd.

Jost Chemical Co.,

Boral Ltd

Key Takeaways

The wastewater treatment sector dominated the global market, and it is anticipated to increase over the forecast period as a result of Europe’s stringent drinking water regulations.

Recent advances in FGD (Flue Gas Desulfurization) technology have resulted in increased efficiency. In the near future, this is projected to present an opportunity.

As alkaline-based technologies become more widely adopted and implemented, demand for calcium hydroxide is expected to rise.

However, in low and middle-income economies, a lack of investment in research & development may impede the expansion of the calcium hydroxide industry.

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