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PSD-Ag+ Silver Loaded Coconut Shell Activated Carbon for Water Purification & Bacterial Inhibition

PSD-Ag+ is a high-purity coconut shell granular activated carbon integrated with silver ion antimicrobial technology, designed for comprehensive water purification and bacterial inhibition. Manufactured from carefully selected coconut shells through high-temperature carbonization, steam activation and acid washing, it delivers a highly pure carbon matrix with well-developed pore structure for excellent impurity adsorption. The silver ions loaded onto the carbon surface and pore structure effectively destroy the surface charge potential of microorganisms, rendering them inactive and providing long-lasting bacterial inhibition for safe drinking water.
Availability:
Quantity:
  • PSD-Ag+

  • purestar

Product Overview

PSD-Ag+ combines the proven adsorption performance of high-quality coconut shell activated carbon with the antimicrobial power of silver ions, creating a comprehensive solution for safe and reliable drinking water purification.

The high-purity coconut carbon matrix provides excellent adsorption of organic compounds, chlorine, odor and taste impurities commonly found in water supplies. The silver ions are firmly embedded into the carbon structure through a proprietary chemical bonding process, ensuring stable and controlled release of silver ions to effectively inhibit the growth of bacteria, viruses and other microorganisms in the water.

This dual-action purification and inhibition makes PSD-Ag+ ideal for use in residential drinking water systems, semiconductor industry ultra-pure water treatment, food and beverage industry water purification, and other applications requiring both high-purity water and microbial control.

Specifications

Technical Specifications

PSD-Ag+

Unit

Lodine value

More than 1,100

mg/g

Moisture content

Less than 10

% -wt

Ash

Less than 3

%-wt

Packing density

430 ~ 530

kg/m³

PH

5 ~ 8

-

Lntensity

More than 95

%

Specific surface area

More than 1,000

m²/g

Particle size> 12 mesh (1.70 mm)

Less than 10

%-wt

Particle size < 40 mesh (0.43 mm)

Less than 5

%-wt

Silver carrying capacity

0.2-4

%

Packaging & Shipping

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Packaging:

To meet diverse customer requirements, our activated carbon is available in multiple packaging options:

20 kg/bag – Ideal for laboratory use, pilot testing, and small-scale applications with convenient handling.

500 kg/bag – Bulk packaging designed for large-scale industrial production and continuous processing.

All packages are engineered to maintain product quality, prevent moisture absorption, and ensure easy storage and transportation.

Customized packaging available

Shipping:

Fast delivery within 15-30 days

Export standard packaging

Key Features

  • Dual-Action Purification: Combines superior organic impurity adsorption with effective silver ion antimicrobial inhibition for comprehensive water treatment.

  • High-Purity Coconut Carbon Matrix: Acid-washed coconut shell carbon delivers minimal ash content and excellent adsorption performance for water impurities.

  • Stable Silver Ion Release: Proprietary silver loading process ensures controlled, long-lasting silver ion release for consistent microbial inhibition.

  • Well-Developed Pore Structure: Optimized pore network provides rapid adsorption kinetics and high removal efficiency for organic and inorganic water impurities.

Applications

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  • Residential and commercial drinking water purification systems

  • Semiconductor industry ultra-pure water treatment

  • Food and beverage industry water purification

  • Under-sink and countertop water filter systems

Technical Advantages

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High-Purity Coconut Shell Base with Chemically Chelated Silver Technology

Crafted from carefully selected coconut shells, PSD-Ag+ undergoes steam activation and acid washing to form a high-purity granular activated carbon base. Silver ions are then uniformly anchored to the carbon’s pores and surface via chemical chelation, creating a dual-function purification medium that combines exceptional contaminant adsorption with long-lasting antibacterial protection.

Beyond removing chlorine, VOCs, and organic impurities, the silver ions work by disrupting microbial surface charge potentials, neutralizing bacteria and preventing biofilm buildup within filtration systems. Compliant with strict food-grade and drinking water standards, PSD-Ag+ is a trusted solution for point-of-use (POU) and point-of-entry (POE) residential filters, semiconductor ultrapure water systems, and food & beverage process water treatment.

Designed for real-world filtration setups, its robust mechanical strength minimizes particle attrition during backwashing, reducing filter clogging and extending service life. Available in granular form optimized for diverse configurations, from small household units to commercial-scale purification systems, it delivers consistent, reliable performance for both contaminant removal and microbial control.

Certifications

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PURESTAR adheres to strict quality control and international certification standards. Our authentic certifications include:

  • ISO 9001: Quality Management System

  • ISO 14001: Environmental Management System

  • ISO 45001: Occupational Health & Safety Management System

  • NSF: Certified for drinking water safety & sanitation

  • HALAL: Certified for food-contact applications

Quality Assurance

  • MSDS (Material Safety Data Sheet) available upon request

  • COA (Certificate of Analysis) provided with every shipment

All products undergo strict quality inspection to deliver stable, reliable performance for global customers.

Why Choose Us

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  • 10+ years of experience in activated carbon manufacturing and export

  • Stable production capacity ensuring reliable supply for bulk orders

  • Strict quality control system from raw material to final product

  • Customized solutions based on different industrial applications

  • Fast response within 12–24 hours for all inquiries

  • Professional technical support for product selection and application guidance

FAQ

Q1: Is the silver in PSD-Ag+ safe for drinking water applications?

A: Yes, the silver in PSD-Ag+ is firmly embedded into the carbon matrix through a proprietary chemical bonding process, ensuring only controlled, trace amounts of silver ions are released into the water. The release rate is strictly regulated to comply with EPA and WHO drinking water safety standards, providing effective microbial inhibition without compromising water safety.

Q2: How long does the silver ion antimicrobial effect last?

A: The duration of the antimicrobial effect depends on the water quality, flow rate and usage conditions. Under normal residential drinking water usage, the silver ion release remains effective for the entire service life of the carbon filter, typically 6-12 months, providing consistent bacterial inhibition throughout the filter's lifespan.

Q3: Can you provide samples before bulk order?

A: Yes, samples can be given to you. Please contact us for details. Once we charge you the sample fee, please rest assured that this will be a refund when you place a formal order.

Q4: What is your minimum order quantity (MOQ)?

A: MOQ depends on product type. Please contact us for detailed information.

Q5: How long is the delivery time?

A: Normally 15-30 working days depending on order quantity and production schedule.

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