Aluminium Sulphate Market 2025 Industry Trends, Sales Revenue, Size by Regional Forecast to 2033

Aluminium sulphate (Al₂(SO₄)₃), commonly referred to as alum, is an inorganic chemical compound primarily used in water treatment, paper manufacturing, and as a mordant in dyeing and printing textiles. It is a white crystalline solid or powder that dissolves in water to yield acidic solutions.

The market for aluminium sulphate is driven by its wide applications across municipal water treatment, industrial wastewater purification, paper sizing, and even in the food and pharmaceutical sectors. Its cost-effectiveness and availability make it a staple in both developed and developing economies.

The global aluminium sulphate market is expected to grow from USD 1.01 billion in 2022 to USD 1.24 billion by 2030, at a CAGR of 2.61% during the forecast period 2022-2030. The increasing demand for wastewater treatment will propel the market's growth in the forecast period.

2. Market Dynamics

Drivers

• Rising Demand for Water and Wastewater Treatment
  • Urbanization and industrialization have increased the need for clean water, driving aluminium sulphate usage in coagulation and flocculation processes in municipal and industrial water treatment plants.
• Growing Paper and Pulp Industry
  • Used as a sizing agent to improve paper quality, aluminium sulphate demand is rising in regions with strong packaging and printing industries.
• Cost-Effective Coagulant
  • Aluminium sulphate remains one of the most economical chemical coagulants compared to alternatives like ferric chloride or polyaluminium chloride (PAC).
• Government Initiatives for Clean Water Supply
  • Public investment in water treatment infrastructure—especially in Asia-Pacific and Africa—is significantly boosting market growth.

Restraints

• Environmental and Health Concerns
  • Overuse of aluminium-based coagulants has raised concerns over residual aluminium in drinking water, prompting regulatory scrutiny.
• Availability of Alternatives
  • Alternatives like PAC, ferric sulphate, and newer polymers are replacing alum in certain advanced treatment applications due to better efficiency and lower sludge generation.
• Fluctuating Raw Material Costs
  • Bauxite and sulphuric acid, key raw materials for aluminium sulphate, are subject to price volatility, affecting production costs.

Opportunities

• Growth in Developing Economies
  • Regions with poor water infrastructure, such as parts of Africa and Southeast Asia, present untapped demand for low-cost water purification agents.
• Innovation in Eco-Friendly Production Techniques
  • Adoption of cleaner, energy-efficient manufacturing processes could help reduce environmental impact and improve market acceptance.
• Expansion in Niche Applications
  • Uses in cosmetics, fireproofing agents, and food additives offer additional avenues for product diversification.

3. Segment Analysis

By Form

• Solid Aluminium Sulphate
  • Widely used in water treatment and industrial applications due to ease of storage and transport.
• Liquid Aluminium Sulphate
  • Preferred for continuous dosing systems in large-scale water treatment operations.

By Application

• Water and Wastewater Treatment
  • Largest application segment globally.
• Pulp and Paper Industry
  • Used for paper sizing and pH control.
• Textiles and Leather
  • Functions as a mordant and fixing agent.
• Construction Industry
  • Used in concrete as an accelerating agent.
• Others
  • Pharmaceuticals, fire retardants, food additives.

By End-Use Industry

• Municipal Water Authorities
• Paper Manufacturing Companies
• Textile Mills
• Construction and Cement
• Chemical and Pharmaceutical Industries

By Region

• Asia-Pacific
  • Largest and fastest-growing market due to strong demand in India, China, and Southeast Asia for water treatment and industrial uses.
• North America
  • Mature market driven by regulatory water quality standards.
• Europe
  • Consistent demand with focus on advanced water treatment and sustainable sourcing.
• Latin America
  • Rising infrastructure and sanitation investments drive moderate growth.
• Middle East & Africa
  • Increasing demand for water treatment in arid regions supports strong growth prospects.

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4. Some of the Key Market Players

• Kemira Oyj – Global leader in water treatment chemicals, including aluminium-based coagulants.
• USALCO LLC – U.S.-based supplier of aluminium sulphate for municipal and industrial markets.
• General Chemical and Supply Inc. – Offers a variety of alum grades for water treatment and industrial uses.
• C&S Chemicals – Specializes in coagulants and water treatment solutions in North America.
• Zibo Guangzheng Aluminum Sulphate Salt Co., Ltd. – Major Chinese manufacturer exporting globally.
• GEO Specialty Chemicals Inc. – U.S.-based producer of specialty coagulants for water purification and paper sizing.
• Affix Cold Tread Co. Ltd. – Active in the Middle East, serving textile and chemical industries.
• Akshar Chemicals – India-based manufacturer with a strong portfolio in alum and other industrial chemicals.
• Sanfeng Environmental Group – Chinese firm focusing on water treatment and environmental protection chemicals.
• BASF SE (through subsidiaries) – Involved in specialty chemicals including alum-based products.