Microbial carrier for wrapping biological coating on ceramic hollow rod and preparation method

Abstract

The invention discloses a microbial carrier for wrapping a biological coating on a ceramic hollow rod and a preparation method. The ceramic hollow rod is prepared by firing a mixed material containing modified iron tailings, regenerated activated carbon, expanded perlite and gypsum, and a plurality of hollow and porous structures are formed on the ceramic hollow rod; a biological coating is filled in pores of the ceramic hollow rod, and a biological coating is wrapped on the surface of the ceramic hollow rod; and microbial bacteria with a purification effect are attached to or embedded in the pores and the biological coating of the ceramic hollow rod. When the ceramic hollow rod is put into sewage, the bacteria contact with water, resuscitate by using nutrients on the ceramic rod quickly and start to grow by using pollutants in water so as to achieve effects of removing the pollutants from the water and purifying the water. The microbial carrier disclosed by the invention solves the problem that an existing biological belt is short of rigidity and is difficult to store; meanwhile, the amount of microbes attached to a unit area is further improved, and the area for arrangement is reduced; and moreover, the problems that the microbial carrier is low in use efficiency, generates sewage expansion and the like are solved.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and relates to a rod-shaped microbial carrier for sewage treatment and a preparation method, in particular to a microbial carrier coated with a biological coating on a ceramic hollow rod and a preparation method. [0002] technical background [0003] Biofilm technology has been very mature for sewage treatment, such as biological contact oxidation process, biological sedimentation tank, biological turntable, etc. are widely used in sewage treatment, among which the biological belt produced by Hubei Keliang Bioengineering Co., Ltd. is used as the filler of biological contact oxidation method Has been identified as the domestic leading technology by the state. The biological zone is mainly made of non-toxic fiber silk material, which is divided into two layers. One layer is an anaerobic layer with a relatively dense structure. During the process of sewage treatment, some oxygen mic...

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Problems solved by technology

However, there are still some problems in the biotape, such as microorganisms are not easy to attach to the fiber filaments, and the biotape is placed in the sewage, because there is no selectivity, some miscellaneous bacteria that do not have a purification effect in the water can attach, and some algae can also attach

As a result, the bacteria attached to the purification function is reduced, which reduces the efficiency of the use of the biological belt, and the growth of various bacteria will cause problems such as sewage swelling, and the biological belt is an organic polymer fiber that does not contain trace elements and cannot provide for special bacteria. Nutrients, and the fiber silk does not have good physical and mechanical properties and cannot be used in some extreme environments. The materials used in the biological zone are difficult to degrade and will cause secondary pollution when they are not used.

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