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A kind of solid fermentation of Penicillium oxalicum and its method for efficiently decomposing phosphorus and removing lead

A penicillium oxalic acid, solid fermentation technology, applied in the restoration of polluted soil, climate change adaptation, etc., can solve the problems of restricting the growth and development of crops, not being able to absorb and utilize crops, and aggravating heavy metal pollution, etc., achieving good application value and low cost , produce the effect of large microbial cells

Active Publication Date: 2022-06-03
XIANGTAN UNIV
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Problems solved by technology

[0003] In addition, more than 95% of the phosphorus in my country's soil mainly exists in the form of insoluble phosphate, which cannot be directly absorbed and utilized by crops, which seriously restricts the growth and development of crops.
At present, humans provide phosphorus to crops by applying phosphorus fertilizers, but fertilizers often contain heavy metals such as lead and cadmium, which further aggravates heavy metal pollution and increases agricultural production costs

Method used

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  • A kind of solid fermentation of Penicillium oxalicum and its method for efficiently decomposing phosphorus and removing lead
  • A kind of solid fermentation of Penicillium oxalicum and its method for efficiently decomposing phosphorus and removing lead
  • A kind of solid fermentation of Penicillium oxalicum and its method for efficiently decomposing phosphorus and removing lead

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[0034] Pb

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Abstract

The invention discloses a solid fermentation of Penicillium oxalicum, and the Penicillium oxalicum PSF‑4 is used for the degradation of phosphorus and lead. The present invention adopts the above-mentioned solid fermentation of Penicillium oxalicum and its high-efficiency method for decomposing phosphorus and removing lead, which can realize the function of decomposing phosphorus and removing heavy metals at the same time, and the cost is low. Soil fertility and ecotoxicity.

Description

A kind of solid fermentation of Penicillium oxalate and method for efficiently removing phosphorus and lead technical field The present invention relates to heavy metal contaminated soil remediation technical field, especially relate to a kind of solid fermentation of Penicillium oxalate And the method for efficiently dephosphorizing and removing lead. Background technique [0002] Due to the intensification of human activities, soil heavy metal pollution in my country is very serious. Heavy metal pollution with its high toxicity The characteristics of biodegradability, refractory, and bioaccumulation seriously threaten the health of human beings and the stability of the ecosystem. Lead is the most common It is one of the toxic heavy metals in the Hidden irreversible damage. In addition, more than 95% phosphorus in the soil of our country mainly exists in the form of insoluble phosphate, which cannot be directly absorbed by crops. The continuous absorption and ut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09C1/10
CPCB09C1/105Y02A40/20
Inventor 田江郝少芬唐斐葛飞李峰岳嘉如
Owner XIANGTAN UNIV
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