Sludge Holding Glass Fused Steel Tank In Green Energy Industrial Sludge Holding Tanks provide storage and blending for the thickened waste activated sludge, primary sludge, imported sludge, and scum before further Processing. Bio-reactors provide an environment in which living organisms, including bacteria and plankton (termed activated sludge), remove pollutants from the wastewater by feeding upon the organic matter and by absorption. Glass fused steel can be used as a sludge storage tank in such applications. Other than that, the glass fused steel tank can be used as any kind of storage tank or reactor. About Us Center Enamel Co., Ltd is not only the first Glass-Fused-to-Steel Tanks manufacturer and supplier in China but also the most experienced Glass-Fused-to-Steel tanks manufacturer in all of Asia. Center Enamel Glass-Fused-to-Steel tanks engineering & design, product testing and quality system are in strict accordance with AWWA D103-09, OSHA, ISO/EN 28765, NSF61 and NFPA, etc. international standards. CEC Glass-Fused-to-Steel tanks are widely used in drinking/potable water, industrial effluents, municipal sewage, bio-energy, landfill leachate, agriculture, etc. applications. Until 2018, Center Enamel Glass-Fused-to-Steel tanks have been exported to more than 60 countries including the USA, Australia, Canada, Malaysia, Indonesia, Russia, UAE, Panama, India, and South Africa, etc. The superior product quality and prompt service gain us worldwide recognition.