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Achieving High Concentration of Colloidal Silica

This case study introduces how chemical manufacturer E in Japan successfully developed a new filtration system for highly concentrated colloidal silica. By implementing Microza®, the company achieved an efficient process and high concentration levels.

Achieving High Concentration of Colloidal Silica

Streamlining the Colloidal Silica Concentration Process

Microza® from Asahi Kasei provided a solution to the concentration challenges faced by chemical manufacturer E in Japan. This case demonstrates how the system enabled an efficient process and high concentration ratio.

Achieving High Concentration of Colloidal Silica

Company E had been exploring methods to increase the concentration level of colloidal silica. Asahi Kasei proposed a Microza®-based filtration system, which successfully achieved a high concentration ratio.

  • Properties of the Target Liquid
    pH: 10, Concentration: 4%, Viscosity: 1 mPa·s
  • Target Concentration
    10× (3% → 30%)
  • Test Conditions
    Test liquid volume: 40 kg, Pressure: Pi/Po = 120/80 kPa, Backwash pressure: 140 kPa, Backwash cycle: 20 min / 20 sec, Filtration temperature: 70°C

This graph shows changes in flux and pressure (inlet and outlet) during the colloidal silica concentration process. It captures variations in flux with increasing replacement water volume, and fluctuations in the pressure differential.

Graph showing changes in flux and pressure during colloidal silica concentration.

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Useful information for considering the introduction of Microza®.

Provided Services (Product Information)
Provided Services (Product Information)
Microza® offers services such as filtration test services and system design tools to support consideration for introduction.
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Implementation Process and Consultation Support
Implementation Process and Consultation Support
This section explains the entire process from applicability assessment and testing to equipment design, manufacturing, delivery, trial operation, and post-installation technical support.
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Frequently Asked Questions
Frequently Asked Questions
A summary of various questions and answers regarding Microza® is provided. Please check here for any questions you may have.
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Catalog Download
Catalog Download
Product catalogs are available for download here.
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Reasons Why Asahi Kasei's Microza® Is Chosen

Flexible solutions to meet diverse needs, long-term stable operation for high reliability, and innovative technology for environmental impact reduction. With these three pillars, Microza® provides optimal proposals and reliable support across a wide range of industries and applications.

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Reasons Why Asahi Kasei's Microza® Is Chosen