Why Hydrated Lime is Essential for Water Treatment
Hydrated Lime for water treatment plays a critical role in maintaining safe and clean water across municipal plants, industrial facilities, and wastewater treatment systems. Also known as Calcium Hydroxide (Ca(OH)₂), hydrated lime is one of the most widely used chemicals for pH adjustment, heavy metal removal, softening, and sludge stabilization.
In India and globally, water pollution and industrial discharge are increasing. To control contamination and ensure regulatory compliance, industries rely on high-quality hydrated lime.
If you are searching for a reliable Hydrated Lime manufacturer in India, Vigyan Lime offers premium-grade material suitable for municipal water treatment plants, ETPs, STPs, and industrial purification systems.
What is Hydrated Lime?
Hydrated Lime, also called Slaked Lime, is produced by reacting Quick Lime (Calcium Oxide) with water.
Chemical Reaction:
CaO + H₂O → Ca(OH)₂
The result is a fine white powder known as Calcium Hydroxide.
Key Properties:
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Chemical Formula: Ca(OH)₂
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Appearance: Fine white powder
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Solubility: Slightly soluble in water
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Alkalinity: Strong alkaline compound
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pH Value: Around 12.4 (in saturated solution)
These alkaline properties make hydrated lime ideal for water treatment applications.
Why Hydrated Lime is Used in Water Treatment
Water treatment requires chemicals that:
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Adjust pH levels
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Remove heavy metals
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Neutralize acidic waste
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Reduce turbidity
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Improve water clarity
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Control odors
Hydrated lime performs all these functions effectively and economically.
Major Applications of Hydrated Lime in Water Treatment
1. pH Adjustment
Maintaining proper pH:
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Protects pipelines
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Prevents corrosion
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Ensures environmental compliance
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Improves chemical reactions
2. Heavy Metal Removal
Heavy metals such as:
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Lead
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Zinc
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Chromium
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Nickel
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Cadmium
are harmful to the environment.
Hydrated lime reacts with dissolved metals, forming insoluble metal hydroxides that settle out as sludge. This process allows easy removal during sedimentation.
3. Water Softening
Hard water contains calcium and magnesium ions. Hydrated lime helps remove hardness by precipitating these ions.
Benefits:
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Reduces scaling
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Protects boilers
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Improves industrial efficiency
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Enhances soap performance
4. Sludge Stabilization
In wastewater plants, sludge treatment is essential. Hydrated lime:
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Reduces pathogens
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Controls odor
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Improves dewatering
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Stabilizes biosolids
5. Fluoride and Phosphate Removal
Hydrated lime helps in removing excess fluoride and phosphates from water, making it safe for consumption.
Hydrated Lime in Different Water Treatment Systems
Municipal Water Treatment Plants
Cities use hydrated lime for:
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Clarification
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Coagulation support
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pH balancing
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Drinking water safety
Industrial Effluent Treatment Plants (ETP)
Industries like:
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Textile
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Paper
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Steel
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Sugar
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Chemical plants
use hydrated lime to treat effluents before discharge.
Sewage Treatment Plants (STP)
Used for:
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Sludge conditioning
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Odor control
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Pathogen reduction
Advantages of Using High Purity Hydrated Lime
Choosing high-quality hydrated lime ensures:
✔ Faster reaction time
✔ Lower consumption
✔ Better settling properties
✔ Reduced sludge volume
✔ Cost efficiency
Low-quality lime may cause:
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Incomplete reaction
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Higher dosing requirement
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Operational issues
Hydrated Lime Dosing Methods
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Dry Powder Feeding
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Lime Slurry Preparation
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Automated Dosing Systems
For large plants, slurry systems are more efficient and controlled.
Storage and Handling Guidelines
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Store in dry conditions
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Avoid moisture exposure
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Use protective gear
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Maintain sealed packaging
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Prevent contamination
Quality Parameters for Water Treatment Grade Hydrated Lime
When purchasing hydrated lime, check:
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Available Ca(OH)₂ percentage
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Reactivity
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Particle size (mesh)
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Insoluble matter
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Moisture content
High reactivity ensures efficient treatment with lower dosage.
Environmental Compliance and Hydrated Lime
Hydrated lime helps industries comply with:
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Pollution Control Board norms
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Environmental discharge standards
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Industrial wastewater regulations
Its ability to neutralize harmful effluents makes it environmentally safe when used properly.
Cost Efficiency of Hydrated Lime
Compared to other alkaline chemicals, hydrated lime:
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Is economical
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Has wide availability
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Requires lower operational cost
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Offers stable performance
This makes it the preferred chemical for large-scale water treatment.
Why Choose Vigyan Lime for Hydrated Lime Supply?
Vigyan Lime is a trusted manufacturer of high purity hydrated lime in India.
Manufacturing Units
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Jodhpur & Nagaur (Rajasthan)
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Udaipur (Rajasthan)
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Haldwani (Uttarakhand)
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Sataun (Himachal Pradesh)
With multiple production facilities, Vigyan Lime ensures:
✔ Consistent supply
✔ High purity standards
✔ Advanced manufacturing process
✔ Bulk and customized packaging
✔ Timely delivery across India
Industries Served by Vigyan Lime
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Municipal Corporations
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Industrial ETP Plants
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Textile Industries
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Sugar Mills
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Chemical Industries
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Steel Plants
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Infrastructure Projects
Packaging Options Available
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25 kg bags
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50 kg bags
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Jumbo bags
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Bulk supply
How to Order Hydrated Lime for Water Treatment
To place bulk orders or request technical specifications, contact:
Contact Us
Head Office:
G-37, Race Course
Dehradun, Uttarakhand – 248001
Email: info@vigyanlime.com, vigyanlime@gmail.com, vigyanlime@yahoo.com
Phone:
+91-95685-01110, +91-95688-01110, +91-98370-55678
Frequently Asked Questions (FAQ)
Q1: What is the main use of hydrated lime in water treatment?
It is used for pH adjustment, heavy metal removal, and water softening.
Q2: Is hydrated lime safe for drinking water treatment?
Yes, when used in controlled dosage under regulatory guidelines.
Q3: What is the ideal purity level for water treatment grade hydrated lime?
High Ca(OH)₂ content with low impurities ensures best performance.
Q4: Can hydrated lime remove heavy metals?
Yes, it precipitates heavy metals as insoluble hydroxides.
Hydrated Lime for Water Treatment is an essential chemical for municipal and industrial purification systems. From pH control to heavy metal removal, it plays a vital role in ensuring environmental safety and regulatory compliance.
Choosing a reliable manufacturer like Vigyan Lime ensures high purity, consistent supply, and efficient water treatment performance.
If you are looking for bulk supply of premium Hydrated Lime in India, contact Vigyan Lime today.
