Chlorella W1 capable of removing heavy metal from water body with high heavy-metal content and application of chlorella W1

A technology of heavy metals and chlorella, applied in water pollutants, single-cell algae, biological water/sewage treatment, etc., can solve problems such as poor tolerance, limited application of microalgae, limited adsorption efficiency of heavy metal ions, etc., to achieve The effect of preventing the danger of eutrophication

Active Publication Date: 2019-04-05
ALGAEPRO BIOTECH CO LTD
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  • Claims
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Problems solved by technology

However, although many microalgae have a certain ability to adsorb heavy metal ions, the current adsorption efficiency of microalgae to heavy metal ions is limited, and many microalgae have poor tolerance to heavy metal ions, which greatly limits the use of microalgae in sewage. Applications in progress

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  • Chlorella W1 capable of removing heavy metal from water body with high heavy-metal content and application of chlorella W1
  • Chlorella W1 capable of removing heavy metal from water body with high heavy-metal content and application of chlorella W1
  • Chlorella W1 capable of removing heavy metal from water body with high heavy-metal content and application of chlorella W1

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Embodiment Construction

[0025] The principles and features of the present invention are described below in conjunction with examples, which are only used to explain the present invention and are not intended to limit the scope of the present invention.

[0026] 1. Obtaining Chlorella W1

[0027] Chlorella sorokiniana W1 (Chlorella sorokiniana W1) of the present invention is obtained by separating from the algae-containing water sample collected in the field, and its cell morphology is as follows: figure 1 As shown, the cells are round or oval, green, without flagella, and nucleated. It was identified by 18S rDNA sequencing that the microalgae belonged to the genus Chlorella of the phylum Chlorella. The microalgae was deposited in the China Center for Type Culture Collection (CCTCC) of Wuhan University, Wuhan City, Hubei Province, China on February 22, 2017. The preservation number is CCTCC NO: M2017057, and the Latin name is Chlorella sorokiniana W1. Chlorella sorokiniana W1, Latin name Chlorella s...

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Abstract

The invention relates to chlorella W1 capable of removing heavy metal from a water body with high heavy-metal content. The chlorella W1 is preserved in China center for type culture collection on Twenty-second February, 2017, and the preservation number is CCTCC NO: M2017057. According to the chlorella W1 capable of removing the heavy metal from the water body with the high heavy-metal content, the chlorella W1 has high tolerance towards heavy metal ions in a cultivating water body and a high removing rate towards Zn, Ni, Cd, Co and Cr during growth in the water body with the high heavy-metalcontent, and the removing rate towards Cd achieves about 87% which is higher than the removing rate of most of microalgae for removing the heavy metal towards the Cd, and therefore the chlorella W1 is especially suitable for processing polluted water bodies with high Cd content. In addition, while removing the heavy metal, the chlorella W1 can further remove N, P and other nutrient substances inthe water body, and the risk of eutrophication of the water body can be prevented.

Description

technical field [0001] The invention relates to the fields of microalgae cultivation and sewage treatment, and more particularly relates to a chlorella capable of removing heavy metals in water bodies with high heavy metal content and applications thereof. Background technique [0002] The amount of heavy metals discharged by humans to the environment is increasing day by day, which not only seriously pollutes the soil and water environment, but also causes great harm to human health. For the treatment of heavy metal polluted water bodies, the traditional methods mainly include physical, chemical and biological methods, including precipitation method, chelating resin method, polymer trapping agent method, natural zeolite adsorption method, membrane technology, activated carbon adsorption process, ion exchange method, etc. . These methods have better purification effects, but the process is complicated, the operation is cumbersome, the cost is high, and it is not suitable fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/12C02F3/32C12R1/89C02F101/20C02F101/22
CPCC02F3/322C02F2101/20C02F2101/22C12R2001/89C12N1/125
Inventor 王强陈为先
Owner ALGAEPRO BIOTECH CO LTD
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