Enhancement of crude oil polluted soil by applying single and combined cow-dung and hydrogen peroxide as remediating agents

Benson, David; Ochekwu, Edache Bernard; Tanee, F.B.G.

doi:10.4314/jasem.v20i4.30

Cited by 4 publications

(5 citation statements)

References 9 publications

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“…This is also in agreement with the work of Onifade et al 34 , who observed the same trend of result when working on bioremediation of crude oil-polluted soil using enhanced natural attenuation. However, the result is in contrast with the work of Benson et al 32 . The increase in nitrogen observed in the cassava peel treated soil may be linked to nutrient supply from the cassava peel (organic waste) which improved soil properties and subsequently its fertility.…”

Section: Discussioncontrasting

confidence: 98%

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Use of Cassava Peel as Biostimulant in Bioremediation of Crude Oil-Polluted Soil

Jude¹,

Tanee²,

Ngbaraue³

2022

J. of Applied Sciences

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Background and Objective: Crude oil pollution is a serious issue in Nigeria. There is, therefore, a need to source an affordable method that is eco-friendly for remediating these polluted soils. The study investigated the use of cassava peel waste as a bio stimulating agent in an in situ bioremediation of crude oil polluted site. Materials and Methods: Treatments were as follows, H 1 : Polluted soil with no bio-stimulation (Control), H 2 : Polluted soil bio-stimulated with 500 g cassava peel, H 3 : Polluted soil bio-stimulated with 1000 g cassava peel and H 4 : No pollution, no bio-stimulation (double control). Soil pH, electrical conductivity, moisture content, nitrogen, phosphorus, total organic matter, total organic carbon, potassium, total petroleum hydrocarbon, total hydrocarbon content and microbial population in soil were monitored at 0, 2 and 4 months. Results: Results showed that the percentage reduction of THC and TPH in the soil after 4 months were as follows, H 2 (90.48 and 81.39%), H 3 (80.19 and 63.81%) and H 1 (32.90 and 14.76%), respectively. Soil properties improved with a concurrent increase in the microbial population in the bio-stimulated soil as compared to the control. Conclusion: This result proves that cassava peel waste is an effective bio-stimulating agent in crude oil degradation especially at 500 g m 3 compared to other treatment options hence providing an alternative for the remediation of crude oil-polluted soil, especially in the Niger Delta part of Nigeria.

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Section: Discussioncontrasting

confidence: 98%

“…The pH values of crude oil polluted soil were lower as compared to the unpolluted soil (double control) at 0 months, a finding which is in line with Benson et al 32 . The increase in pH values (decrease in acidity) may be due to the increased degradation of crude oil by microorganisms in the soil.…”

Section: Discussionsupporting

confidence: 88%

Use of Cassava Peel as Biostimulant in Bioremediation of Crude Oil-Polluted Soil

Jude¹,

Tanee²,

Ngbaraue³

2022

J. of Applied Sciences

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“…Many studies have reported the use of oilfield wastewater as nutrient supplement [11,12,13]. Benson et al [14] reported decrease in nitrate content of amended soil and increase in un-amended soil. Onuh et al [15] also observed a decrease in nitrogen availability with increased levels of crude pollution.…”

Section: Discussionmentioning

confidence: 99%

Effect of Soil Microbes on Nitrate, Phosphate and Total Hydrocarbon Content of Various Concentrations of Oilfield Wastewater

Owhonka

Obire

2019

JAMB

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The effects of soil microbes on nitrate, phosphate and total hydrocarbon content of various concentrations of oilfield wastewater were investigated for a period of 28 days using standard methods. Periodic sampling of the treatment options from each flask were carried out after 24 hrs and subsequently at 7 days interval for nitrate, phosphate and total hydrocarbon content analysis. The nitrate, phosphate and total hydrocarbon content were higher in all the treatment options than in the control (0%). The concentration of nitrate and phosphate in the soil treatment options reduced significantly at day 28. Total hydrocarbon content of the 0% (control) on 24 hrs was 48 mg/kg and 26 mg/kg on 28th day, while 10, 25, 50 and 75 (%) were 160 and 98, 162 and 94, 163 and 98, 163 and 96 mg/kg respectively. There was significant reduction between the incubation period (24 hr and 28 days) in the various treatment option including the control. The results revealed that nutrients (nitrate and phosphate) were been utilized by the soil microbes and further enhanced microbial utilization of hydrocarbons. This suggests that oilfield wastewater could serve as nutrient enhancement medium for indigenous soil microbes in bioremediation process.

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“…Accidental spills and leakages that occur during the exploration, refining, transportation and storage of petroleum and its products affect the environment 1 . It causes physical, chemical and biological damage to the affected environment (land, water and air) thus soil contamination with petroleum compounds is of great concern worldwide.…”

Section: Introductionmentioning

confidence: 99%

Effect of Urea Application on Soil Properties and Hydrocarbon Reduction in Crude Oil Contaminated Soil

Keayiabarido,

Tanee

2023

Asian J. Biol. Sci

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Background and Objective: Soil contamination resulting from crude oil spills poses an environmental threat in the Niger Delta Area of Nigeria and the world at large and the remediation of oil-polluted soil is one of the major problems for environmental research. This study investigated the effect of urea as an amendment (remediating material) on soil properties and hydrocarbon reduction in crude oil-contaminated soil at Botem-Tai in Rivers State, Nigeria. Materials and Methods: A Randomized Complete Block Design (RCBD) was used and the experimental treatment were: B1: Polluted soil without urea, B2: Polluted soil with 20 g urea addition, B3: Polluted soil with 40 g Urea addition, B4: Unpolluted soil. Physical-chemical and microbial analyses were done on soil samples from the different treatment plots. Results: The significant reductions (p = 0.05) in Total Hydrocarbon Content (THC) and Total Petroleum Hydrocarbon (TPH) of polluted soil with urea addition (B2: 193.98 and 135.90 mg kgG 1 and B3: 708.13 and 615.40 mg kgG 1 ) compared to the polluted without urea (B1: 1963.67 and 1014.37 mg kgG 1 ) as against the initial of 2926.00 and 1189.96 mg kgG 1 recorded. Conclusion: Hence, the use of urea in in situ remediation of crude oil-polluted soil proved effective.

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Enhancement of crude oil polluted soil by applying single and combined cow-dung and hydrogen peroxide as remediating agents

Cited by 4 publications

References 9 publications

Use of Cassava Peel as Biostimulant in Bioremediation of Crude Oil-Polluted Soil

Use of Cassava Peel as Biostimulant in Bioremediation of Crude Oil-Polluted Soil

Effect of Soil Microbes on Nitrate, Phosphate and Total Hydrocarbon Content of Various Concentrations of Oilfield Wastewater

Effect of Urea Application on Soil Properties and Hydrocarbon Reduction in Crude Oil Contaminated Soil

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