Chloride
Compound / industrial form
Market data
Raw material sources & pricing
| Raw Material Source | Chloride Content | Extraction Cost | Major Locations | Notes |
|---|---|---|---|---|
| Seawater | 19,400 mg/L | $0.01-0.02/kg Cl⁻ | Global coastal regions | Unlimited supply, requires evaporation |
| Underground Brine | 150,000-320,000 mg/L | $0.008-0.015/kg Cl⁻ | USA (Michigan, NY), Germany | High concentration, solution mining |
| Salt Lakes/Dead Sea | 220,000-340,000 mg/L | $0.012-0.018/kg Cl⁻ | Dead Sea, Great Salt Lake | Multi-mineral extraction |
| Rock Salt Deposits | 60.66% (as NaCl) | $0.015-0.025/kg Cl⁻ | USA, Canada, Germany, UK | Direct mining, variable purity |
| Potash Deposits | 47.55% (as KCl) | $0.15-0.25/kg Cl⁻ | Canada, Russia, Belarus | Co-product with potassium |
Seawater - Primary Global Source
Concentration: 19,400 mg/L (1.94%) Global Ocean Reserve: ~26.5 × 10¹⁸ tons of Cl⁻ Major Production Methods: Solar Evaporation: $15-25/MT NaCl - Lowest cost method Mechanical Evaporation: $35-50/MT NaCl - Year-round production Solution Mining (Brine): $20-30/MT NaCl - High purity Rock Salt Mining: $25-40/MT NaCl - Direct mining 2025 Production Leaders: China: 68 million MT (26% of global salt production) USA: 42 million MT India: 29 million MT Germany: 15 million MT Raw Material Source Chloride Content Extraction Cost Major Locations Notes Seawater 19,400 mg/L $0.01-0.02/kg Cl⁻ Global coastal regions Unlimited supply, requires evaporation Underground Brine 150,000-320,000 mg/L $0.008-0.015/kg Cl⁻ USA (Michigan, NY), Germany High concentration, solution mining Salt Lakes/Dead Sea 220,000-340
✓ Seawater Chloride Extraction
Commercial Viability: HIGHLY ECONOMICAL Concentration: 19,400 ppm (extremely high) Chemical Form: Cl⁻ (free chloride ion), Na⁺Cl⁻ ion pairs Status: Seawater is the world's largest commercial source of chloride compounds. Over 280 million MT of salt (NaCl) is produced annually, with ~35% from seawater evaporation. Note: Unlike aluminum, chloride extraction from seawater is one of humanity's oldest industries, dating back over 4,000 years.
Production cost analysis
| Cost Component | $/MT NaCl | % of Total Cost | Notes |
|---|---|---|---|
| Raw Material (Seawater/Brine) | $0.50-2.00 | 2-5% | Pumping costs mainly |
| Energy (Heat/Electricity) | $5.00-15.00 | 20-35% | Solar evaporation lowest |
| Labor | $3.00-8.00 | 12-20% | Varies by automation level |
| Equipment & Maintenance | $4.00-10.00 | 15-25% | Crystallizers, centrifuges |
| Transportation & Packaging | $5.00-15.00 | 20-30% | Bulk vs. packaged |
| Total Production Cost | $17.50-50.00 | 100% | Market price: $30-80/MT |
Energy consumption breakdown
| Process Stage | Energy Consumption | % of Total Energy | Energy Type | Key Operations |
|---|---|---|---|---|
| Brine Concentration | 0.5-1.5 GJ/MT | 20-35% | Solar/Steam | Evaporation to saturation |
| Crystallization | 0.8-1.8 GJ/MT | 30-40% | Steam/Natural Gas | Controlled precipitation |
| Separation & Drying | 0.4-0.7 GJ/MT | 15-20% | Natural Gas/Electric | Centrifuging, drying to |
| Refining & Packaging | 0.3-0.5 GJ/MT | 10-15% | Electricity | Screening, anti-caking, packaging |
Solar Evaporation Details
Concentration Ponds: 0% energy - Natural evaporation Crystallizer Ponds: 0% energy - Solar radiation Harvesting: 80% of energy use - Mechanical collection Washing: 10% - Fresh water pumping Transport: 10% - Conveying to processing
Chlor-Alkali Process (Cl₂ Production)
Brine Purification: 3-5% - Removing Ca²⁺, Mg²⁺ Electrolysis: 85-90% - 2.5-3.0 MWh/MT Cl₂ Product Processing: 5-7% - Drying, liquefaction Hydrogen Handling: 2-3% - Collection, purification NaOH Processing: 2-3% - Concentration to 50%
Commercial forms & specifications
| Product Form | Chemical Formula | Molecular Weight | Cl⁻ Content | Price Range (USD/kg) | Main Applications |
|---|---|---|---|---|---|
| Sodium Chloride (Salt) | NaCl | 58.44 g/mol | 60.66% | $0.03-0.15 | Food, deicing, chemical feedstock |
| Potassium Chloride | KCl | 74.55 g/mol | 47.55% | $0.35-0.50 | Fertilizer, food, medical |
| Calcium Chloride | CaCl₂ | 110.98 g/mol | 63.89% | $0.15-0.30 | Deicing, dust control, drilling |
| Magnesium Chloride | MgCl₂·6H₂O | 203.30 g/mol | 34.87% | $0.12-0.25 | Deicing, dust control, tofu |
| Hydrochloric Acid (37%) | HCl | 36.46 g/mol | 97.26% | $0.08-0.20 | Chemical processing, metal treatment |
| Chlorine Gas | Cl₂ | 70.91 g/mol | 100% | $0.30-0.50 | Water treatment, PVC, bleach |
| Sodium Hypochlorite (12.5%) | NaOCl | 74.44 g/mol | 47.62% | $0.15-0.30 | Bleach, disinfection |
| Ammonium Chloride | NH₄Cl | 53.49 g/mol | 66.28% | $0.20-0.35 | Batteries, fertilizer, medicine |
| Ferric Chloride | FeCl₃ | 162.20 g/mol | 65.57% | $0.25-0.40 | Water treatment, etching |
| Aluminum Chloride | AlCl₃·6H₂O | 241.43 g/mol | 44.04% | $0.80-1.50 | Catalysts, antiperspirants |
| Lithium Chloride | LiCl | 42.39 g/mol | 83.63% | $15.00-25.00 | Batteries, desiccant, welding |
| Zinc Chloride | ZnCl₂ | 136.30 g/mol | 52.02% | $1.20-2.00 | Batteries, flux, textile |
Suppliers by country
🇺🇸 United States
| Company | Product Forms | Specialties |
|---|---|---|
| Compass Minerals | NaCl, KCl, MgCl₂, CaCl₂ | Largest salt producer in North America, solar evaporation |
| Cargill Salt | NaCl (all grades), CaCl₂ | Food grade salt, deicing products |
| Morton Salt | NaCl, KCl (pharmaceutical) | Consumer salt products, pharmaceutical grade |
| Occidental Chemical (OxyChem) | Cl₂, HCl, NaOCl, CaCl₂ | Chlor-alkali products, vinyls |
🇩🇪 Germany
| Company | Product Forms | Specialties |
|---|---|---|
| K+S AG | NaCl, KCl, MgCl₂ | Europe's largest salt producer, potash leader |
| Evonik Industries | Cl₂, HCl, chlorinated organics | Specialty chlorine derivatives |
🇨🇳 China
| Company | Product Forms | Specialties |
|---|---|---|
| China National Salt | NaCl, KCl, industrial salts | World's largest salt company by volume |
| Shandong Haihua | NaCl, Cl₂, NaOH, PVC | Integrated chlor-alkali producer |
| Xinjiang Zhongtai | Cl₂, PVC, chlorinated products | Largest PVC producer in China |
🇮🇳 India
| Company | Product Forms | Specialties |
|---|---|---|
| Tata Chemicals | NaCl, NaOH, Cl₂ | Integrated producer, solar salt |
| Gujarat Alkalies | Cl₂, HCl, chlorinated products | Chlor-alkali chemicals |
🇯🇵 Japan
| Company | Product Forms | Specialties |
|---|---|---|
| Asahi Glass (AGC) | Cl₂, HCl, vinyl chloride | High-purity chemicals, electronics grade |
| Tokuyama Corporation | Cl₂, HCl, chlorinated solvents | Electronic grade chemicals |
🇳🇱 Netherlands
| Company | Product Forms | Specialties |
|---|---|---|
| AkzoNobel/Nouryon | NaCl, Cl₂, chlorinated products | High-purity salt, chlor-alkali |
| Nobian | Cl₂, HCl, NaOH | Essential chemicals, membrane technology |
🇮🇱 Israel
| Company | Product Forms | Specialties |
|---|---|---|
| Israel Chemicals (ICL) | KCl, NaCl, MgCl₂, bromides | Dead Sea minerals, potash leader |
Market demand by product form
| Product Form | Global Market Size | USA Market | Asia-Pacific Market | Growth Rate (CAGR) |
|---|---|---|---|---|
| Sodium Chloride (All Grades) | $18.5 billion | 13% share | 48% share | 3.2% |
| Chlorine Gas & Derivatives | $95 billion | 18% share | 55% share | 4.5% |
| Potassium Chloride | $25 billion | 12% share | 45% share | 3.8% |
| Calcium Chloride | $1.8 billion | 35% share | 30% share | 4.2% |
| Hydrochloric Acid | $2.5 billion | 22% share | 52% share | 3.5% |
| PVC (from Cl₂) | $65 billion | 10% share | 65% share | 5.2% |
| Water Treatment Chemicals | $8.5 billion | 25% share | 40% share | 5.8% |
| Specialty Chlorides | $4.2 billion | 28% share | 35% share | 6.5% |
Market trends
Lithium Extraction: Growing co-extraction of lithium chloride from brines, market expected to reach $8 billion by 2030 Green Chlorine: Shift to renewable energy-powered chlor-alkali plants reducing carbon footprint by 40% Deicing Alternatives: Environmental concerns driving development of chloride-free deicers Water Scarcity: Increased focus on brine concentration technologies for inland regions PVC Demand: Asia-Pacific driving 65% of global PVC consumption, primarily construction Circular Economy: HCl recovery from industrial processes increasing 8% annually Battery Materials: LiCl demand surging 25% annually for battery electrolytes
Moles per kilogram
| Product Form | Formula | MW (g/mol) | Moles/kg | Moles Cl⁻/kg |
|---|---|---|---|---|
| Chloride Ion | Cl⁻ | 35.45 | 28.21 | 28.21 |
| Sodium Chloride | NaCl | 58.44 | 17.11 | 17.11 |
| Potassium Chloride | KCl | 74.55 | 13.42 | 13.42 |
| Calcium Chloride | CaCl₂ | 110.98 | 9.01 | 18.02 |
| Magnesium Chloride (hydrated) | MgCl₂·6H₂O | 203.30 | 4.92 | 9.84 |
| Hydrochloric Acid | HCl | 36.46 | 27.43 | 27.43 |
References
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