The co-application of biochar with bioremediation for the removal of petroleum hydrocarbons from contaminated soil

Dike, Charles Chinyere; Hakeem, Ibrahim Gbolahan; Rani, Alka; Surapaneni, Aravind; Khudur, Leadin S.; Shah, Kalpit; Ball, Andrew S.

doi:10.1016/j.scitotenv.2022.157753

Cited by 29 publications

(16 citation statements)

References 134 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, adding the bacteria alone was largely non-beneficial, as this treatment did not result in significantly greater removal ( p < 0.05) relative to the control, except at week 22 ( Figure 2 ). Therefore, greater TPH removal in the BIB-amended soil could be due to the advantages of combining both remediation techniques (biochar and bioaugmentation); a proposed mechanism has been summarised in a previous review ( Figure S1 ) [ 17 ]. Briefly, biochar enhances the mass transfer of the contaminant from the soil to the immobilised biochar, reducing the contact distance between the immobilised bacteria and the contaminant [ 17 ].…”

Section: Resultsmentioning

confidence: 99%

“…Therefore, greater TPH removal in the BIB-amended soil could be due to the advantages of combining both remediation techniques (biochar and bioaugmentation); a proposed mechanism has been summarised in a previous review ( Figure S1 ) [ 17 ]. Briefly, biochar enhances the mass transfer of the contaminant from the soil to the immobilised biochar, reducing the contact distance between the immobilised bacteria and the contaminant [ 17 ]. The enhanced TPH removal observed in BIB is consistent with reports from previous works [ 19 , 21 , 22 ].…”

Section: Resultsmentioning

confidence: 99%

“…The above scenario could impede the biodegradation effect of biochar on hydrocarbon removal. The co-application of biochar with bioaugmentation, including microbes, has been advocated in the remediation of petroleum hydrocarbon-contaminated soil [ 17 ]. Bioaugmentation can involve the use of autochthonous, allochthonous, or genetically engineered microbes [ 18 ], with the autochthonous form being the cheapest and least stressful to use from a regulatory and commercial perspective.…”

Section: Introductionmentioning

confidence: 99%

“…Compared to free-living co-application, the immobilised form is more effective in remediating hydrocarbon-contaminated soil [ 24 , 25 ]. This is likely because the advantage of immobilising bacteria to biochar may not be realised with free-living bacterial addition [ 17 ]. There have been attempts to investigate the effect of bacteria immobilised biochar (BIB) on the remediation of petroleum hydrocarbon-contaminated soil [ 19 , 21 , 25 , 26 , 27 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Effect of the Application of Ochrobactrum sp.-Immobilised Biochar on the Remediation of Diesel-Contaminated Soil

Dike,

Rani Batra,

Khudur

et al. 2024

Toxics

Self Cite

View full text Add to dashboard Cite

The immobilisation of bacteria on biochar has shown potential for enhanced remediation of petroleum hydrocarbon-contaminated soil. However, there is a lack of knowledge regarding the effect of bacterial immobilisation on biosolids-derived biochar for the remediation of diesel-contaminated soil. This current study aimed to assess the impact of the immobilisation of an autochthonous hydrocarbonoclastic bacteria, Ochrobacterium sp. (BIB) on biosolids-derived biochar for the remediation of diesel-contaminated soil. Additionally, the effect of fertiliser application on the efficacy of the BIB treatment was investigated. Biochar (BC) application alone led to significantly higher hydrocarbon removal than the control treatment at all sampling times (4887–11,589 mg/kg higher). When Ochrobacterium sp. was immobilised on biochar (BIB), the hydrocarbon removal was greater than BC by 5533 mg/kg and 1607 mg/kg at weeks 10 and 22, respectively. However, when BIB was co-applied with fertiliser (BIBF), hydrocarbon removal was lower than BIB alone by 6987–11,767 mg/kg. Quantitative PCR (q-PCR) analysis revealed that the gene related to Ochrobacterium sp. was higher in BIB than in the BC treatment, which likely contributed to higher hydrocarbon removal in the BIB treatment. The results of the q-PCR analysis for the presence of alkB genes and FTIR analysis suggest that the degradation of alkane contributed to hydrocarbon removal. The findings of this study demonstrate that bacterial immobilisation on biosolids-derived biochar is a promising technique for the remediation of diesel-contaminated soil. Future studies should focus on optimising the immobilisation process for enhanced hydrocarbon removal.

show abstract

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of the Application of Ochrobactrum sp.-Immobilised Biochar on the Remediation of Diesel-Contaminated Soil

Dike,

Rani Batra,

Khudur

et al. 2024

Toxics

Self Cite

View full text Add to dashboard Cite

show abstract

“…Among promising carriers for biofilm development, biochar is an excellent carrier with potential for decontamination and bacterial adsorption via rich functional groups, a large specific surface area, high porosity, and excellent biocompatibility. Microbes can be immobilised on biochar via different fixation methods such as adsorption, entrapment, cross-linking, and covalent bonding or a combination of two methods [ 31 , 60 ]. Saeed et al [ 45 ] recently reviewed advances in biochar and plant growth-promoting rhizobacteria engineering systems for hydrocarbon degradation and showed that the synergistic effect of biochar and PGPR depends on the concentration of biochar and PGPR used [ 45 ].…”

Section: Application Of Immobilised Cellsmentioning

confidence: 99%

Current Trends in Bioaugmentation Tools for Bioremediation: A Critical Review of Advances and Knowledge Gaps

Muter

2023

Microorganisms

View full text Add to dashboard Cite

Bioaugmentation is widely used in soil bioremediation, wastewater treatment, and air biofiltration. The addition of microbial biomass to contaminated areas can considerably improve their biodegradation performance. Nevertheless, analyses of large data sets on the topic available in literature do not provide a comprehensive view of the mechanisms responsible for inoculum-assisted stimulation. On the one hand, there is no universal mechanism of bioaugmentation for a broad spectrum of environmental conditions, contaminants, and technology operation concepts. On the other hand, further analyses of bioaugmentation outcomes under laboratory conditions and in the field will strengthen the theoretical basis for a better prediction of bioremediation processes under certain conditions. This review focuses on the following aspects: (i) choosing the source of microorganisms and the isolation procedure; (ii) preparation of the inoculum, e.g., cultivation of single strains or consortia, adaptation; (iii) application of immobilised cells; (iv) application schemes for soil, water bodies, bioreactors, and hydroponics; and (v) microbial succession and biodiversity. Reviews of recent scientific papers dating mostly from 2022–2023, as well as our own long-term studies, are provided here.

show abstract

Effective Treatment and Biodegradation Mechanism Analysis of Petroleum Hydrocarbon Wastewater by Immobilized Ochrobactrum sp. WY-4 on Iron-modified Biochar

Chen,

Yin,

et al. 2024

Water Air Soil Pollut

View full text Add to dashboard Cite

The co-application of biochar with bioremediation for the removal of petroleum hydrocarbons from contaminated soil

Cited by 29 publications

References 134 publications

Effect of the Application of Ochrobactrum sp.-Immobilised Biochar on the Remediation of Diesel-Contaminated Soil

Effect of the Application of Ochrobactrum sp.-Immobilised Biochar on the Remediation of Diesel-Contaminated Soil

Current Trends in Bioaugmentation Tools for Bioremediation: A Critical Review of Advances and Knowledge Gaps

Effective Treatment and Biodegradation Mechanism Analysis of Petroleum Hydrocarbon Wastewater by Immobilized Ochrobactrum sp. WY-4 on Iron-modified Biochar

Contact Info

Product

Resources

About