Abstract
Environmental pollution from petroleum and petrochemical products has been recognized as one of the most serious problems associated with accidental spills on a large scale. This study was carried out to investigate the effect of automotive gas oil (ago) on geotechnical properties of lateritic soil. Test carried out included Optimum Moisture Content, Maximum Dry Density, Sieve Analysis, Liquid Limits, Plastic Limits, Plasticity Index, Specific Gravity and Unconfined Compressive Test. Certain percentages of AGO (0 %, 4 %, 8 %, 12 %, 16 %) were mixed with the lateritic soil sample. Based on the results obtained, Optimum Moisture, Maximum Dry Density, specific gravity and unconfined compressive test decreased as the percentage of automotive gas oil (AGO) increased, while Atterberg limits and Sieve analysis increased as the percentage of automotive gas oil (AGO) increased. Addition of AGO to the soil led to the reduction of porosity and permeability resulting from the entrapment of the AGO within the pore spaces of the soil. Keywords: Automotive Gas Oil, Geotechnical Properties, Lateritic Soil, Contaminants DOI : 10.7176/APTA/82-03 Publication date: January 31 st 2020
Highlights
Rapid industralisation and human activities leading to the generation and disposal of chemical and toxic waste materials have given birth to the continuous contamination of surface and subsurface environments
Environmental pollution from petroleum and petrochemical products has been recognized as one of the most serious problems associated with accidental spills on large scale (Jesna and Hari 2015)
The sample has the highest value of optimum moisture content (OMC) of 13.44 % at 0 % Automotive Gas Oil (AGO)
Summary
Rapid industralisation and human activities leading to the generation and disposal of chemical and toxic waste materials have given birth to the continuous contamination of surface and subsurface environments. Hydrocarbon leaks and spills have become a great concern in most of the oil producing countries of the world. Hydrocarbon derivatives are a major source of soil pollution; petrol and diesel being the chief contributors. Oil Contaminated Soil (OCS) has been defined by Colorado Department of Health and Environment (2003), as any earthen material or artificial fill that has human or natural alteration of its physical, chemical, biological or radiological integrity resulting from the introduction of crude oil, any fraction or derivative (such as gasoline, diesel or used motor oil) or any oil based product. The production, dumping and pollution of oil waste wreak havoc on the surrounding wildlife and habitat
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