




Bleaching Earth
$6,500.00 Original price was: $6,500.00.$5,700.00Current price is: $5,700.00.
Bleaching earth is a vital industrial adsorbent that purifies oils, fats, and fuels by removing impurities, improving quality, and ensuring stability. Its effectiveness, versatility, and cost-efficiency make it indispensable in food processing, biofuels, petrochemicals, and environmental applications.
Bleaching Earth
Primary Uses of Bleaching Earth
Edible Oil Refining
- Decolorization: Removes pigments (chlorophyll, carotenoids) from vegetable oils (soybean, palm, sunflower, etc.).
- Removal of Oxidation Products: Adsorbs peroxides and secondary oxidation byproducts.
- Reduction of Trace Metals: Binds heavy metals (iron, copper) that promote oil rancidity.
Mineral Oil & Petroleum Refining
- Purification of Lubricating Oils: Removes impurities, color bodies, and residual catalysts.
- Bleaching of Paraffin & Waxes: Clarifies waxes by adsorbing color and odor compounds.
- Fuel Oil Treatment: Helps in reducing contaminants in diesel and other fuel oils.
Biodiesel Processing
- Removal of Soaps & Phospholipids: Used in biodiesel refining to improve clarity and stability.
Used Oil Re-refining
- Regeneration of Waste Lubricants: Cleans used motor oils by adsorbing sludge and oxidation products.
Secondary Uses of Bleaching Earth
Industrial & Chemical Processing
- Purification of Fatty Acids: Used in stearic acid and oleic acid production.
- Catalyst Carrier: Acts as a support material in certain chemical reactions.
Environmental Applications
- Wastewater Treatment: Adsorbs oils, greases, and organic pollutants.
- Spill Cleanup: Used in oil spill remediation due to its high absorbency.
Food & Beverage Industry
- Clarification of Wines & Juices: Removes unwanted color and haze.
- Animal Fat Processing: Used in lard and tallow refining.
Cosmetics & Pharmaceuticals
- Bentonite Clay in Beauty Products: Used in face masks and skincare for oil absorption.
- Pharmaceutical Adsorbent: Helps in purifying medicinal oils.
Other Miscellaneous Uses
- Foundry & Metal Casting: As a binding agent in molding sands.
- Pesticide & Fertilizer Carrier: Helps in slow-release formulations.
AVAILABLE PACK SIZE |
25kg( Metal or Plastic Jerrycan/ Bucket, Bag, Box, Polythene bag, Carton bag) |
---|---|
COUNTRIES OF ORIGIN |
CHINA ,GERMANY ,INDIA |
1. Basic Identification Attributes
- Chemical Name: Hydrated aluminum silicate (activated montmorillonite/bentonite clay)
- CAS Number: 70131-50-9 (for activated bleaching earth)
- HS Code: 2508.30.00 (Activated clays)
- Molecular Formula: Variable (~Al₂O₃·4SiO₂·nH₂O + acid-activated sites)
- Synonyms: Fuller’s earth, activated clay, decolorizing earth, adsorbent clay
2. Physical & Chemical Properties
- Physical State: Fine powder or granules
- Color & Odor: Off-white/tan/gray; odorless
- Boiling Point: Decomposes at high temperatures (>300°C)
- Melting Point: No true melting point (sinters at ~1200°C)
- Density/Specific Gravity: 2.2–2.6 g/cm³
- Solubility: Insoluble in water/organic solvents (forms colloidal suspension)
- pH Level: 3–7 (acid-activated types), 7–10 (natural types)
- Vapor Pressure: Negligible
- Flash Point: Non-flammable
- Autoignition Temperature: Not applicable
- Viscosity: N/A (powder)
- Key Property: High surface area (100–300 m²/g) and adsorption capacity
3. Safety & Hazard Attributes
- Hazard Class (GHS): Non-hazardous (may carry "dust irritant" warning)
- NFPA Ratings: Health: 1 | Flammability: 0 | Reactivity: 0
- Exposure Limits (OSHA PEL): 15 mg/m³ (total dust), 5 mg/m³ (respirable fraction)
- Reactivity:
- Stable; incompatible with strong acids/oxidizers.
- May release adsorbed volatiles when heated.
4. Storage & Handling Attributes
- Storage Conditions: Dry, cool, ventilated area; avoid moisture (hygroscopic)
- Incompatible Materials: Strong acids, oxidizers, oils (may reduce efficacy)
- Container Type: Multi-wall paper bags, FIBCs (bulk bags), or sealed drums
- Shelf Life: Indefinite if kept dry (activity may degrade if exposed to humidity)
- Special Handling:
- Dust mask (NIOSH N95) to avoid inhalation.
- Gloves/eye protection to prevent irritation from dust.
5. Regulatory & Compliance Attributes
- Regulatory Status:
- FDA: Approved for food-grade applications (21 CFR 184.1155 for bentonite).
- EPA: Exempt under FIFRA for non-pesticidal uses.
- EU REACH: Registered for industrial/edible oil processing.
- Hazard Symbols: None (unless silica content >1% requires labeling).
- Transportation Restrictions: Non-hazardous (no UN number).
- Waste Disposal: Landfill permitted (inert material); may be regenerated by calcination.
6. Environmental & Health Impact
- Ecotoxicity: Low toxicity; may physically smother aquatic life at high concentrations.
- Persistence: Naturally occurring; persists but is non-toxic.
- Carcinogenicity/Mutagenicity:
- Not classified by IARC/NTP.
- Contains trace crystalline silica (OSHA-regulated as dust).
Personal Protective Equipment (PPE)
- Respiratory Protection:Wear an N95 dust mask or half-face respirator in dusty environments.
- Eye Protection:Use safety goggles to prevent eye irritation.
- Skin Protection:Wear gloves (nitrile or latex) and long-sleeved clothing to minimize skin contact.
- Foot Protection:Use closed-toe shoes or boots to avoid slips and spills.
Handling & Storage
- Store in a cool, dry, well-ventilated areaaway from moisture.
- Keep containers tightly sealedto prevent dust dispersion.
- Use proper lifting techniques(avoid manual handling of heavy bags).
- Avoid creating dust clouds—use gentle pouring methods or mechanical handling.
Ventilation & Dust Control
- Work in well-ventilated areasor use local exhaust ventilation.
- Avoid dry sweeping—use wet cleaning methodsor industrial vacuums to control dust.
Spill & Leak Control
- Small spills:Sweep up carefully or use a HEPA vacuum (avoid creating dust).
- Large spills:Dampen with water to suppress dust before cleanup.
- Dispose of waste according to local environmental regulations.
Inhalation (Dust Exposure)
- Move to fresh air
- If coughing or breathing difficulty occurs, seek medical attention.
Skin Contact
- Wash affected area with soap and water.
- If irritation persists, apply a moisturizing creamor seek medical advice.
Eye Contact
- Flush eyes with clean waterfor at least 15 minutes, holding eyelids open.
- If irritation continues, seek medical help.
Ingestion (Swallowing)
- Rinse mouth with water.
- Do NOT induce vomiting.
- Seek medical advice if large amounts are ingested.
Bleaching earth is non-flammable and non-combustible, but dust clouds may pose an explosion hazard in high concentrations.
Extinguishing Media
- Use water spray, foam, dry chemical powder, or CO₂if surrounding materials catch fire.
Firefighter Precautions
- Wear self-contained breathing apparatus (SCBA)if in a dusty environment.
- Avoid creating dust clouds that could ignite
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Properties
- Physical State: It is usually found in a glassy, crystalline solid form or as a thick, syrupy liquid.
- Appearance: Colorless to light brown.
- Solubility: Highly soluble in water, forming a viscous solution.
- pH: Alkaline, typically around 11-12.