Synergy of the Tropical Earthworm Pontoscolex corethrurus and Oil Palm Bagasse in the Removal of Heavy Crude Oil

The tropical endogeic earthworm Pontoscolex corethrurus , a non-standard species used in ecotoxicity, has been found in crude oil-contaminated habitats. We estimated the removal of total hydrocarbons from heavy crude “Maya” oil on an artificially contaminated soil with a median lethal concentration...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2022-05, Vol.108 (5), p.956-962
Main Authors: del Carmen Cuevas-Díaz, María, Ramos-Morales, Fernando Rafael, Castro-Luna, Alejandro, Vázquez-Luna, Dinora, Martínez-Hernández, Sergio, Guzmán-López, Oswaldo, Zavala-Cruz, Joel, Ortiz-Ceballos, Ángel I.
Format: Article
Language:English
Subjects:
Aquatic Pollution
Bagasse
Crude oil
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Heavy petroleum
Hydrocarbons
Nutritive value
Oil
Oil pollution
Petroleum
Petroleum hydrocarbons
Pollution
Pontoscolex corethrurus
Soil contamination
Soil pollution
Soil Science & Conservation
Soils
Survival
Waste Water Technology
Water Management
Water Pollution Control
Worms
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Summary:The tropical endogeic earthworm Pontoscolex corethrurus , a non-standard species used in ecotoxicity, has been found in crude oil-contaminated habitats. We estimated the removal of total hydrocarbons from heavy crude “Maya” oil on an artificially contaminated soil with a median lethal concentration of P. corethrurus and an addition of oil palm bagasse. P. corethrurus had a high survival rate, and the addition of oil palm bagasse led to a greater growth and an increase in abundance of bacteria and fungi. The activity of P. corethrurus and the nutritional quality of oil palm bagasse had a significant impact on the removal of a larger amount of petroleum hydrocarbons from contaminated soil. We concluded that the endogeic earthworm P. corethrurus and oil palm bagasse acted synergistically to achieve a more effective removal of total petroleum hydrocarbons from soil. These results show the potential for using P. corethrurus to remove, either directly or indirectly, crude oil from soil.
ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-022-03475-w