Emission sources and full spectrum of health impacts of black carbon associated polycyclic aromatic hydrocarbons (PAHs) in urban environment: A review

Ali, Muhammad Ubaid
Siyi, Lin
Yousaf, Balal
Abbas, Qumber
Hameed, Rashida
Zheng, Chunmiao
Kuang, Xingxing
Wong, Ming Hung
With increased urbanization and industrialization, the global burden of anthropogenic emissions through biomass and fossil fuel combustion has increased significantly, threatening the global climate system, air quality and human health. Half of the aerosol particles emitted as a result of combustion are in the form of black carbon (BC), co-emitted with polycyclic aromatic hydrocarbons (PAHs). Due to strong sorption efficiency, BC act as a carrier for highly toxic and carcinogenic PAHs in air, water and soil, causing serious health issues. Scientific literature shows that the global burden of diseases has increased due to the high pollution levels of these pollutants in the environment. BC in association with PAHs can pose acute and chronic health problems such as respiratory problems, acute bronchitis, heart problems, lung cancer, aggravation of preexisting heart and lung disease, and asthma. In addition, most of the PAHs released into the environment, due to combustion activities, are categorized as type 2A or 2B human carcinogens by US EPA. In light of environmental significance of BC associated PAHs, this article stipulated a critical overview regarding the properties, pollution sources and worldwide pollution status of BC and associated PAHs along with the health risk these pollutants can pose.


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Increasing population demand has triggered the enhancement of food production, energy consumption and economic development, however, its impact on climate change has become a global concern. This study applied a novel environmental sustainability assessment tool using dynamic Autoregressive-Distributed Lag (ARDL) simulations for model estimation of the relationships between greenhouse gas (GHG) emissions, energy, biomass, food and economic growth for Australia using data spanning from 1970 to 2017. The stud...
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Bioelectricity Generation From Wastewater Sludge Using Microbial Fuel Cells: A Critical Review
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The objective of the study was to identify the impact of co-digesting clarifier skimmings on the overall methane generation from the treatment plant and additional energy value of the increased methane production. Biogas production from co-digesting clarifier skimmings and sewage sludge in pilot-scale fed-batch mesophilic anaerobic digesters has been evaluated. The digester was fed with increasing quantities of clarifier skimmings loads: 1.5, 2.6, 3.5 and 7.0 g COD equivalent/(L.d) (COD: chemical oxygen dem...
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Citation Formats
M. U. Ali et al., Emission sources and full spectrum of health impacts of black carbon associated polycyclic aromatic hydrocarbons (PAHs) in urban environment: A review. 2020, p. 0.