Baseline black carbon emissions for gas flaring in the Niger Delta region of Nigeria

2014 ◽  
Vol 20 ◽  
pp. 373-379 ◽  
Author(s):  
Solomon O. Giwa ◽  
Oluwakayode O. Adama ◽  
Olasunkanmi O. Akinyemi
Author(s):  
C. E. Ezeokoro ◽  
Y. Momoh ◽  
T. Leton

There is no Black Carbon emission inventory for Nigeria and no standard Emission factor with which to measure the volume of emissions. This study aims at providing baseline emission inventory for the volume of Black Carbon released into the environment from gas flaring activities in the National Data Repository (NDR) between 1965 to 2016 (52 years) using Nigeria's associated petroleum gas-related emission factors; modelling of the estimated Black Carbon emissions using logistic growth model. The volume of gas produced and flared within this period was sourced from Nigerian National Petroleum Corporation (NNPC) annual bulletins and other literature. The work shows that: for the period under review, 1.8 trillion cubic meters of gas was produced and 0.91 trillion cubic meters was flared, only 11% of gas produced was flared in 2016. Estimated cumulative Black Carbon emission shows that Black Carbon emission from gas flare is decreasing as the volume of gas flared is decreasing. The model shows that 487050 tons, 1116157 tons; 19438 tons, 44544 tons and 0.10 are the respective carrying capacities, initial Black Carbon volumes and growth rate for the upper and lower Black Carbon emissions.  Re-injection and Utilization of flared gas for cooking purposes and placing a heavy penalty on gas flaring activities are among solutions given to reduce gas flaring.


Author(s):  
Adeoye Ademola Elijah

The Niger Delta region of Nigeria is of great socio-economic importance due to its huge crude oil reserves. However, the process of exploration has been of great detrimental effect on the physiochemical properties of the soil, water and air quality in the region and has caused several public health issues. This review article is focused on readdressing the extent of the impact of one of the processes, gas flaring on the environment, using some physiochemical parameters of rain water, soil and air quality in some selected communities in the Niger Delta region based on series of previous researches. The results show that gas flaring has negatively impacted the physical and chemical properties soil, water and air components of the environment, most especially impacting areas very close to the flaring site. Also, recommendations were made as to how the flaring of gas can be reduced to a very minimal level as well as how these gases can be utilized making it more economical than the flaring process which is a very good case for further research.


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