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Tanks

Tanks

Tanks for BioEnergy Storage

CST is the only complete coatings technology provider for BioEnergy storage applications.


Overview

When you need components and options for state-of-the-art BioEnergy Storage Solutions, turn to CST the global leader in the manufacture and installation of factory coated steel storage tanks, aluminum domes and specialty covers and reclaimer systems. CST has been designing and manufacturing bioenergy storage tanks and covers for more than 30 years and has hundreds of satisfied customers around the world.

Component Comparison
Panel Type Zone Description
Vitrium™ Glass-Fused-to-Steel
  • Liquid
  • Gas
  • High specification 3-coat glass coating
  • High performance
  • Low maintenance
  • Sidewall, covers, floors
OptiBond™ Epoxy Coating System
  • Liquid
  • Gas
  • Proprietary Thermoset coating
  • Exceptional performance
  • Sidewall, covers, floors, manway, flanges, baffles
Stainless Steel
  • Liquid
  • Gas
  • Grade 316 or 304
  • Excellent resistance gas zone
  • Sidewall, covers, floors, manway, flanges, baffles
Uncoated Steel
  • Liquid
  • Can be used as sidewall in non-corrosive liquid zones

Glass-Fused-To-Steel Coating Technology

Vitrium glass-fused-to-steel is the premium coating in the digester tank market. It is a single, strong, integrated glass and steel material fused together at 1,500°F (816°C) in a controlled process furnace. The physical properties of Vitrium are specially suited for digester applications. The hard, inert barrier on both the interior and exterior tank surfaces guards against corrosion. Impermeable to liquids and vapors, it controls undercutting caused by corrosion and offers excellent impact and abrasion resistance.

Vitrium technology combines the outstanding chemical and physical resistant properties of titanium dioxide-enhanced (TiO2) glass with a highly engineered, ultra-fine glass bubble structure for durability and flexibility. Our glass-fused-to-steel coatings range from 7-15 mils (175-380 microns) on the exterior and 10-18 (260-460 microns) on the interior. Interior sidewalls are tested to be holiday free using 1,100 volt dry testing method that exceeds the industry standard low voltage wet sponge testing method.

OptiBond Epoxy Coating System

Our proprietary OptiBond Epoxy Coating System provides excellent corrosion resistance and long tank life for the finest epoxy coating available in the liquid tank industry. In the process, parts are degreased and rinsed, hot air dried and pre-heated at an optimum temperature. Part surfaces are then blasted with engineered grit material. This creates a rugged 3-D surface topography ideally suited for better powder coating adherence, increased durability and long-term coating performance. Then they are powder coated in a proprietary electrostatic booth with precise environmental controls, and cured at a tightly regulated temperature to maximize the cross-link bonding of the epoxy materials.

A uniquely engineered polyurethane topcoat is applied on exterior surfaces. This provides added UV protection and extends the coating life in tough outdoor conditions. A final curing stage through the oven is the last step in the CST process before our stringent quality control inspection – a high voltage defect testing procedure to identify any holidays, inclusions and thin areas in the coating.

Hybrid Tanks and Other Options

The unique design of CST Storage's bolted tanks easily adapts for hybrid tank designs that utilize the strengths of multiple state-of-the-art coating systems. We can design tanks with different coating systems for the gas and liquid zones of a digester that create a unique storage solution that cannot be accommodated by concrete or field welded designs. CST Storage also offers tanks constructed of stainless steel and uncoated steel when design specifications demand these options.

Choose Between Floor Options

CST Storage understands the complexity that can exist when providing floor designs for digester tanks. That is why we offer options for our customers depending on their digester need. The customer can select from Coated Steel (Vitrium Glass or OptiBond Epoxy Coating System), or reinforced concrete. Concrete digester floors can vary from flat up to a 45° conical shape. Utilizing our worldwide regional offices and Authorized Dealer network we can work with the customer to provide the most economical floor design and installation that is required for the project.

Applications

CST BioEnergy Storage Solutions are ideal for the following applications:

Digesters

CST provides a complete line of storage tanks and covers for all types of digester applications. CST has a complete line of coating technologies an alloys to specifically design your digester vessel to meet your process needs. CST also provides the widest range of cover options that will meet pressure ranges from 2" of vacuum pressure to 24" of positive pressure. Contact CST's professional engineering staff to review all your options.

Biomass Storage and Conveying

CST provides complete biomass fuel storage and conveying systems with our BulkTec bolted steel storage silos and Weaver Reclaimer Systems. Regardless of the biomass fuel source you are handling, CST has the right combined tank and reclaimer solution to meet your process needs.

Biofuel Storage and Processing

CST has a complete range of bolted and factory welded storage tanks and custom designed steel roof and aluminum covers to meet every storage need you may have in your biofuel processing facility. Our wide range of coating technologies allows us to custom engineer the right solution for your needs.

Biogas Storage

We have the storage options you need for biogas. CST provides secure bolted steel storage tanks and membrane gas holders depending on your process design and specifications.

Sludge Processing

CST provides a wide array of storage tanks for sludge processing. Our storage tanks come field ready for installation of nozzles, manways, level indicators, pumps, ladders and many other accessories you have specified for your application.

Manure Storage & Homogenization

Slurrystore tanks and agitation pump systems are the simple solution to manure storage and processing challenges. Farmers worldwide have taken advantage of our storage and processing technologies to help them manage their manure and sludge.

Download
HydyoTec-Brochure AQUASTORE Tanks BROCHURE
Aquastore-Leachate-Brochure BULKTEC Epoxy Tanks and Silos-Brochure
Aquastore-Leachate-Brochure CST BIOENERGY Digester Tanks and Covers-Brochure



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