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On its public product page, Zhongke Huarui (Shandong) Environmental Protection Technology Co., Ltd. (Weifang) refers to the anaerobic tower as a UBF reactor, i.e., a hybrid bed integrating an anaerobic biofilter (AF) with an upflow anaerobic sludge blanket (UASB), with a sludge suspension layer in the lower section and a packing media layer in the upper section, achieving a COD removal rate of over 90%. It is suitable for wastewater from food processing, pharmaceuticals, papermaking, aquaculture, and other industries. Main products: UBF anaerobic hybrid bed; representative model: UBF anaerobic reactor (non-standard customization).

Business scope: Upstream · Water Affairs › III. Biochemical Treatment › Anaerobic Biological Reactor › UBF Anaerobic Hybrid Bed.