
Patents & Certification


Patent - Biogas adsorption equipment

Patent - Ultra-low concentration hydrogen sulfide-containing clean biogas production system

Patent - Clean biogas production system containing ultra-low concentration hydrogen sulfide

Patent - All-in-one dry addorption system

Patent - Manufacturing method of inorganic adsorbent for phosphorus removal using acid mine drainage sludge

Patent - Method for manufacturing an adsorbent for removing sulfur compounds using acid mine drainage sludge

Patent - TCE removal system

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