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Advanced Silica Recovery Techniques Using Rice Husk Ash

Advanced Silica Recovery Techniques Using Rice Husk Ash

Silica is one of nature’s most essential materials, forming the backbone of industries ranging from glass, rubber, tires, food, pharmaceuticals, paints, and energy storage solutions.

Traditionally, silica is extracted from mined ores through high-temperature, energy-intensive processes that contribute to environmental degradation and hazardous silica dust emissions.

CPS Holding Pvt Ltd is redefining silica production through sustainable innovation by recovering high-purity bio-silica from Rice Husk Ash (RHA) — an eco-friendly and renewable alternative to conventional silica sources.

The Rice Husk Opportunity

Rice husk is an abundant agricultural byproduct generated during rice milling. In many rice-producing countries, this biomass is often discarded or underutilized.

Composition of Rice Husk Ash (RHA)

When rice husk is used as boiler fuel, it generates energy and leaves behind Rice Husk Ash (RHA), which contains:

  • 70% to 95% silica content
  • Residual burnt carbon
  • Valuable mineral compounds

Instead of treating RHA as waste, CPS converts it into premium-grade bio-silica, supporting a circular and sustainable economy.

CPS Sustainable Bio-Silica Initiative

In collaboration with the Government of India and leading Public Sector Enterprises, CPS has developed proprietary technology for producing high-purity bio-silica from Rice Husk Ash.

Pilot Plant Overview

  • Production Capacity: 250 kg/day
  • Located at CPS Campus
  • Government laboratory tested and validated

Bio-Silica Specifications

Product Quality

  • 99% silica purity
  • Zero heavy metal content
  • High surface area: 500 m²/g
  • Suitable for industrial and food-grade applications

Advantages of CPS Bio-Silica

Eco-Friendly Production

Our innovative process operates at mild temperatures up to 150°C, compared to conventional silica production requiring temperatures above 500°C.

Benefits include:

  • Lower energy consumption
  • Reduced carbon footprint
  • Minimal environmental impact

Heavy Metal-Free Purity

Unlike conventional silica derived from mined ores, CPS bio-silica contains no harmful heavy metals and requires no additional purification for sensitive applications.

Ideal for:

  • Food industry
  • Pharmaceuticals
  • Cosmetics
  • Specialty chemicals

Sustainable & Renewable Resource

Rice husk is an annually renewable agricultural byproduct, making RHA-based silica a sustainable alternative to silica mining.

Supports:

  • Waste valorization
  • Circular economy
  • Sustainable industrial practices

High Performance Applications

High-surface-area bio-silica enhances product performance across industries, including:

  • Rubber & tires
  • Paints & coatings
  • Adhesives & sealants
  • Food additives
  • Pharma formulations
  • Battery & energy storage materials
  • Agriculture & chemicals

Future-Ready Silica Solution

As global regulations increasingly restrict silica mining and promote green manufacturing, RHA-derived bio-silica is emerging as a preferred sustainable alternative worldwide.

Why Partner with CPS Holding Pvt Ltd?

  • Advanced proprietary technology
  • Sustainable manufacturing approach
  • Government-supported innovation
  • High-purity industrial-grade product
  • Reliable large-scale production capability

We Offer

  • High-purity bio-silica supply
  • Technology collaboration
  • Industrial partnerships
  • Sustainable material innovation

Frequently Asked Questions (FAQs)

What is Rice Husk Ash (RHA)?
Rice Husk Ash is the ash generated after burning rice husk for energy production. It contains a high percentage of silica.

What is Bio-Silica?
Bio-silica is environmentally friendly silica recovered from renewable biomass sources such as Rice Husk Ash.

What purity level does CPS bio-silica achieve?
CPS bio-silica achieves up to 99% purity with zero heavy metal contamination.

What industries can use CPS bio-silica?
It is suitable for rubber, tires, food, pharmaceuticals, paints, coatings, chemicals, and energy storage applications.

Why is RHA-based silica more sustainable?
It reduces mining dependency, utilizes agricultural waste, lowers energy consumption, and supports a circular economy.

Contact Information

For more information or to request a quote, please contact us:

Website: Waste to Wealth
Phone: +91 99041 33336 | +91 99041 33337
Email: wtow@chemprosys.com

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