Three-dimensional natural fiber spherical biofilm packing
A natural fiber, three-dimensional technology, applied in biological water/sewage treatment, anaerobic digestion treatment, water/sludge/sewage treatment, etc., can solve the problems of long start-up time and lack of sludge retention capacity, and achieve It is convenient for transportation and installation, accelerates microbial film formation, and improves the effect of start-up time
Inactive Publication Date: 2010-04-21
ZHEJIANG UNIV +1
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Problems solved by technology
However, because it is a needle-shaped filler, except that the sludge hangs on the surface of the bamboo thread, it does not reflect the space
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The invention discloses a three-dimensional natural fiber spherical biofilm packing, which comprises a wooden frame and bamboo biofilm packing monomers, wherein the bamboo biofilm packing monomers are of hollow spheres woven by bamboo chips and are layeredly and serially fixed in the wooden frame; and a clearance is reserved between each two bamboo biofilm packing monomers. The packing has convenient transportation and installation and large specific surface area, and is not easy to be blocked; at the same time, in anaerobic and facultative aerobic microenvironments, the packing accelerates microorganism colonization, and greatly improves the startup time of a reactor and the degradation efficiency of pollutants; and the packing adopts natural raw materials, has low cost, is corrosion-resistant, and is an ideal, efficient, economical and environmentally-friendly natural biofilm packing.
Description
technical field [0001] The invention relates to a biofilm filler in sewage treatment, in particular to a novel three-dimensional fixed bamboo natural fiber hollow ball biofilm filler used in the anaerobic treatment process of domestic sewage. Background technique [0002] The filler is used as the carrier of the biofilm in the biochemical treatment of sewage, and at the same time has the function of intercepting suspended matter. Therefore, the carrier filler directly affects the performance of the entire sewage treatment plant and the quality of the effluent. [0003] At present, the commonly used biofilm fillers on the market are soft fillers or elastic fillers synthesized by plastics. The surface of these fillers is relatively smooth, which is not suitable for microorganisms to successfully hang films in a short period of time. It takes half a year to a year to start. In addition, because many fillers are synthesized by recycled plastics, they are often easily aged and ...
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Inventor 沈东升冯孝善冯华军周哲松何若
Owner ZHEJIANG UNIV
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