Photosynthetic bacteria immobilization compound and photosynthetic bacteria adsorption material

A technology for photosynthetic bacteria and adsorption materials, applied in the field of microorganisms, can solve the problems of being unsuitable for large-scale promotion and expensive, and achieve the effects of high processing efficiency, good rigidity and high immobilization density of heavy metals.

Active Publication Date: 2019-08-09
SOUTHWEAT UNIV OF SCI & TECH
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Problems solved by technology

The main disadvantage of this type of method is that it is expensive when treating low-concentration wastewater
Therefore, the above two methods of thinking are not suitable for large-scale promotion

Method used

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  • Photosynthetic bacteria immobilization compound and photosynthetic bacteria adsorption material
  • Photosynthetic bacteria immobilization compound and photosynthetic bacteria adsorption material

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Embodiment Construction

[0018] Hereinafter, the immobilized photosynthetic bacteria and the photosynthetic bacteria adsorption material according to the present invention will be described in detail with reference to the accompanying drawings and exemplary embodiments.

[0019] Specifically, sodium alginate is an acidic anionic polysaccharide extracted from brown algae and bacteria. The present invention uses the gel formed by sodium alginate and divalent metal cations as a carrier, which has low toxicity to microorganisms and high immobilization density. , The advantages of better rigidity. Ferric clay is also a good carrier in the immobilization of bacteria. Its porous, sheet-like, and rod-shaped minerals form a porous three-dimensional network structure that can provide enough microspace for microorganisms in gel microspheres. Compared with traditional carrier materials, high-iron clay (high-iron attapulgite, high-iron diatomite) has the advantages of easy-to-obtain raw materials, high mechanical ...

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Abstract

The invention provides a photosynthetic bacteria immobilization compound and a photosynthetic bacteria adsorption material. The photosynthetic bacteria immobilization compound comprises photosyntheticbacteria, 2-3parts of alginate gel by mass and 3-5 parts of iron-rich clay by mass, and 6-24000 million of the photosynthetic bacteria are contained in per cubic centimeter of the photosynthetic bacteria immobilization compound. According to the photosynthetic bacteria immobilization compound, an iron-rich clay three-dimensional structure as a skeleton is coated with and / or filled with the alginate gel, so that a plurality of micro spaces are formed, and the photosynthetic bacteria are contained or enclosed into the micro spaces. The adsorption material contains a layered porous component andthe photosynthetic bacteria immobilization compound which is arranged or bonded on the layered porous component. The photosynthetic bacteria immobilization compound is reasonable in design, convenient to use, high in immobilization density, high in rigidity and high in heavy metal treatment efficiency; the adsorption material is convenient and efficient to use.

Description

technical field [0001] The invention relates to the technical field of microorganisms, and more specifically relates to a photosynthetic bacteria immobilized substance and a photosynthetic bacteria adsorption material, and is especially suitable for the recovery and treatment of high-priced metal chromium. Background technique [0002] Heavy metal pollution is a serious problem. Once heavy metals enter the environment, they will not decompose in the environment like organic pollutants, but may last for a long time. Although there are changes in chemical forms, many of them are irreversible processes, so they cannot be eliminated from the environment, but will remain in the environment for a long time. Heavy metals that enter the human body through various channels will not be decomposed in the body. Therefore, the environmental pollution of heavy metals has aroused great concern. For example, the heavy metal element chromium is one of the main sources of heavy metal pollu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N11/14C12N11/10C12N11/04B01J20/24
CPCB01J20/12B01J20/14B01J20/24C12N11/04C12N11/10C12N11/14
Inventor 孙仕勇刘明学董发勤聂小琴霍婷婷
Owner SOUTHWEAT UNIV OF SCI & TECH
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