Products & Materials

Porous Ceramic Carrier

Adherence of functional microorganisms, Porous expandable ceramic carrier


It is a ceramic carrier with excellent physical and chemical properties as a porous material that is calcined and expanded at 1150~1200℃ by uniformly mixing natural organic matter with inorganic minerals.


  • Main ingredients are hematite, loess, and natural organic matter
  • Excellent ability to remove phosphorus (T-P) by metal ions
  • Nitrogen oxidation and denitrification reactions by large and small voids inside
  • Adsorption/oxidation reactions of organic substances, nutrient salts, heavy metal substances, etc
  • Control of odor-induced substances to reduce odors
  • Use of aquatic plants as a vegetation base
Physical Properties
A range of grain sizes Ø13~25㎜, Ø1~15㎜ The main ingredient Red clay, clay, and blood rock
The external appearance Spherical, reddish brown, coarse, fine pores Performance Weight 0.9~1.4g/㎤
Volume weight 0.75~0.95g/㎤ Crushing rate ≦10%
Porosity >31% Comparative area 1.8~5×104㎠/g
Hydrochloric acid availability <1.5% Friction loss rate <8.0%
Compressive strength 2~3Mpa Coefficient of inequality <1.25
Chemical properties
SiO₂ Al₂O₃ Fe₂O₃ CaO MgO K₂O+Na₂O Etc
62.12% 16.32% 7.84% 3.26% 2.04% 3.22% 6.42%

Inner structure

Microporous structure : Provides microbial habitat / Removes organic matter and nitrogen / Adsorbs phosphorus


M-PEC1 Water purification wetlands and water reuse
  • Removal of organic matter and denitrification function by fixing microorganisms such as Bacillus, Nitrobacter and Nitrosomonas to the porous expanded ceramic
  • By providing a large specific surface area due to high porosity, it is possible to remove organic matter, nitrogen, etc. by forming a biofilm by microorganisms.
Purpose High-efficiency water purification wetlands and water resources
Patent Patent No.1065814
Size Ø15~25㎜
M-PEC2 For removal of waste oil and organic matter
  • Acinetobacter calcoaceticus microorganisms are fixed to porous expansion ceramics to remove waste oil or organic matter, and restore soil contaminated with oil
  • Microbial decomposition after adsorption of waste oil
Purpose Removal of engine oil, waste oil, and organic matter from urban non-point sources
Patent Patent No.0866526
Size Ø15~25㎜
M-PEC3 To remove odors
  • Bacillus, photosynthetic bacteria, etc. are fixed to porous expansion ceramics to remove odors
  • Provision of Microbial Habitat by Nanopores inside
Purpose Sewage, manholes, and livestock waste to remove odors
Patent Patent No.1173260
Size Ø15~25㎜
M-PEC4 Pathogenic and E. coli control
  • Reducing Pathogenic and E. coli Groups by Sticking Bacillus Bacillus to Porous Expansion Ceramics
  • Control of E. coli group using antibacterial substances by Bacteriocin, a metabolite of Bacillus
  • Control of E. coli in River Water Play
  • Sterilization and wastewater treatment of discharged water in sewage treatment plants
Patent Patent No.1065814
Size Ø15~25㎜

Application examples

Artificial Wetland for Discharge Water Treatment in Sewage Treatment Plant

Artificial Wetland for Water Purification

Artificial Wetlands for Disposal of Non-Point Pollutants

Low-Management Rooftop Greening

Functional microorganism sticking, Porous expansion ceramic

Expanded ceramics of varying densities


  • A highly functional microorganism carrier in which microorganisms are fixed to a porous ceramic material that is plastic-expanded at 1150-1200℃ by uniformly mixing inorganic minerals and natural organic substances
  • Provision of Microbial Habitat by Nanopores inside
  • Decomposition by microorganisms after adsorption of organic and nutrient salts substances


PEC1 An artificial wetland·For leachate treatment
  • Blood rock, clay, and red mud are the main ingredients, and they are fired at high temperatures between 1100°C and 1200°C
  • Phosphate in water is insoluble by metallic ions(Al₂O₃, Fe₂O₃ etc.)and has phosphorus adsorption properties
  • An artificial wetland, For leachate treatment
  • Sewage and wastewater treatment, A phosphate carrier
Patent Patent No.0567422
Size Ø15~25㎜
PEC2 Vegetation base material for roof greening·Filtration filter media using rainwater
  • It is made by mixing clay and ocher additive materials, molding them, and firing them at 1200°C
  • It can contain a large amount of water due to the continuous voids inside, providing an excellent vegetation base
  • Lightweight porous expansion ceramic with a specific gravity of less than 1
Purpose Rooftop greening, horticultural artificial soil, indoor greening
Patent Patent No.1173260
Size Ø5㎜ or less