Biomass
Engineered Systems for Liquid and Dry Biomass
CST® provides complete biomass storage and process solutions designed for both liquid and dry applications. Our engineered tanks support mesophilic (≈95°F/35°C) and thermophilic (≈130°F/55°C) digestion systems, delivering reliable biogas production for municipal, agricultural and industrial facilities.
- Mesophilic Digesters: Ideal for wastewater and agricultural operations, offering consistent, stable performance.
- Thermophilic Digesters: Suited for high-solids or industrial applications requiring faster reaction rates and enhanced pathogen reduction.
Proven Materials and Coatings
CST offers the industry’s most advanced tank and cover technologies to ensure long-term performance, corrosion resistance and chemical durability in every process zone — liquid, gas and vapor.
- Vitrium® Glass-Fused-to-Steel: Premium 3-coat system fused at 1,500°F for unmatched corrosion resistance and low-maintenance performance.
- Glass-Enamel Coating: Durable 2-coat system with over 35 years of proven, maintenance-free service life.
- OptiBond® Epoxy Coating: Proprietary thermoset epoxy for superior adhesion, durability and chemical resistance.
- Stainless Steel (304 and 316): Exceptional corrosion protection for gas zones and specialized applications.
- Uncoated Steel: Cost-effective option for non-corrosive or hybrid designs.
Hybrid Tank Designs and Custom Engineering
CST’s hybrid tank technology combines multiple coatings within a single structure, including glass-fused-to-steel in the liquid zone and stainless or epoxy in the gas zone. Our engineers work directly with customers to tailor each tank to specific process conditions, corrosion environments and site requirements, delivering precision-engineered solutions beyond the limits of concrete or field-welded tanks.
Floor and Cover Options
Each digester requires an integrated floor and cover system designed for long-term reliability and process performance. CST offers a complete range of floor and cover configurations to meet every operational need.
Floor Options
- Coated Steel Floors: Vitrium® glass or Trico Bond® epoxy coatings for seamless, corrosion-resistant protection.
- Reinforced Concrete Floors: Flat or up to 45° conical for optimal mixing and process efficiency.
Cover Options
- Externally Supported Steel Roofs: Designed for durability in corrosive gas zones with structural load capacity.
- Aluminum Domes: Lightweight, corrosion-resistant and maintenance-free.
- Dual Membrane Gas Holders: Flexible covers for dependable gas storage and pressure management.
- Custom-Engineered Covers: Designed for unique pressure, vacuum and mixer load requirements.
