Remediation of soil polluted with HMW-PAHs by alfalfa or brome in combination with fungi and starch

Shi, Wei; Guo, Yanjie; Ning, Guohui; Li, Cheng; Li, Yan; Ren, Yilei; Ou-ya, Zhao; Yang, Zhihui

doi:10.1016/j.jhazmat.2018.07.076

Cited by 27 publications

(6 citation statements)

References 18 publications

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“…The desorption extraction method was also applied in samples from bioaugmentation with a selected set of microorganisms that could potentially operate on bioavailability (samples 6-11). The promoting effect of bioaugmentation on biodegradation is known since several years ago 16 and nowadays this method is used for the removal of PAHs from contaminated soil [17][18][19][20][21] . Some of the species used in these studies were included in the consortium used in our bioaugmentation treatment such us: Fusarium, Apergillus, Acicetobacter calcoaceticus and Pseudomonas sp.…”

Section: Effect Of Bioavailability-oriented Bioremediation On D20mentioning

confidence: 99%

Implementing standardized desorption extraction into bioavailability-oriented bioremediation of PAH-polluted soils

Posada-Baquero

Martín

Ortega‐Calvo

2019

Science of The Total Environment

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Section: Effect Of Bioavailability-oriented Bioremediation On D20mentioning

confidence: 99%

Implementing standardized desorption extraction into bioavailability-oriented bioremediation of PAH-polluted soils

Posada-Baquero

Martín

Ortega‐Calvo

2019

Science of The Total Environment

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“…With the increasing need and awareness of environmental protection, the ecological benefits of alfalfa planting have garnered attention 6 . Several research findings support this notion, including its ability to reduce the content of high-molecular-weight polycyclic aromatic hydrocarbons in coal mining areas soils 7 , its potential as a remediation material for Cd polluted soil 8 , its efficacy in soil remediation in oil-mining areas 9 , and its ability to enhance soil structure and productivity in saline-alkali lands through continuous cropping 10 . In addition, alfalfa has been divided into different dormancy levels according to the difference of growth period and cold resistance.…”

Section: Introductionmentioning

confidence: 93%

The effect of alfalfa cultivation on improving physicochemical properties soil microorganisms community structure of grey desert soil

Qi,

Fu,

Wang

et al. 2023

Sci Rep

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Planting alfalfa in grey desert soil can have significant effects on soil nutrient levels, microbial communities, and overall soil improvement. High-throughput sequencing technology was used to explore the relationship between the rhizosphere microbial community structure of grey desert soil planted with different alfalfa varieties (Aohan, WL525HQ, Knight2, Kangsai, Victoria, and WL712), alfalfa characteristics and rhizosphere soil physicochemical properties. Alfalfa planting increased the nitrogen and organic matter in the grey desert soil, and the effects in Victoria, Kangsai, and Aohan were relatively better than those in the unplanted areas and other alfalfa areas. The Chao1 and Shannon indexes showed that the diversity and relative abundance of bacteria and fungi in Kangsai were significantly higher than those in the unplanted areas and other alfalfa areas. Redundancy analysis showed that available nitrogen and phosphorus, as well as fresh weight, significantly affected the changes in fungal and bacterial communities. Variance partitioning analysis showed that soil and alfalfa growth characteristics explained 50.04% and 51.58% of the structural changes in the bacteria and fungi, respectively. Therefore, planting alfalfa changed the community structure of bacteria and fungi, as well as the content of soil nutrients, and different varieties of alfalfa had different effects on soil improvement.

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“…Recent studies have found that cucumbers and zucchini that belong to the genus Cucurbita have certain concentrations of organic pollutants such as PAHs containing chlorine substituents, but the content of organic matter in zucchini is significantly higher than in cucumber. Zucchini mainly relies on the root system to enrich organic pollutants such as PAHs containing chlorine substituents, while cucumber mainly relies on leaves [103]. Although the mechanism of phytoremediation of soil is not particularly clear at present, most published research findings have shown that different root exudates and enzymes in different plants are the main reasons for the differences in the degradation of PAHs by plants [104].…”

Section: How Characteristics Of Plants and Microbes Influence Their Remediation Of Pahs-contaminated Soilmentioning

confidence: 99%

Analysis of Factors Influencing Plant–Microbe Combined Remediation of Soil Contaminated by Polycyclic Aromatic Hydrocarbons

Zhao

Lyu

2021

Sustainability

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Polycyclic aromatic hydrocarbons (PAHs) are frequently detected in soil. Their biological toxicity and carcinogenic, teratogenic, and mutagenic effects pose a great threat to the ecological environment and human health. Firstly, the sources, physicochemical properties, and environmental hazards of PAHs are reviewed in this paper, and then their pollution status and different methods for their detection in soil are described in detail. The remediation technologies to treat pollution in the field and farmland are compared, and the technical status and factors influencing phytomicrobial remediation of PAHs in contaminated soil are evaluated in the most comprehensive way. The mechanisms of phytomicrobial remediation of PAHs-contaminated soil under different conditions are innovatively discussed. Additionally, the regulation mechanism of enzymes involved in plant and microbial degradation of PAHs in soils is studied. This is the first study on the regulation mechanism of degradation enzyme in a PAHs review. The aim of this paper is to review the pollution status, remediation technologies, mechanisms, and biodegradation actions of PAHs in soil. This review creatively provides reliable technical support for strengthening soil remediation and environmental management.

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Remediation of soil polluted with HMW-PAHs by alfalfa or brome in combination with fungi and starch

Cited by 27 publications

References 18 publications

Implementing standardized desorption extraction into bioavailability-oriented bioremediation of PAH-polluted soils

Implementing standardized desorption extraction into bioavailability-oriented bioremediation of PAH-polluted soils

The effect of alfalfa cultivation on improving physicochemical properties soil microorganisms community structure of grey desert soil

Analysis of Factors Influencing Plant–Microbe Combined Remediation of Soil Contaminated by Polycyclic Aromatic Hydrocarbons

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