ManagEnergy – Renewable Energy

Can Biomass Cause Pollution?




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can biomass cause pollution

Indoor emissions from biomass combustion are considered to be likely carcinogenic

The International Agency for Research on Cancer has classified indoor emissions from biomass and coal combustion as probably carcinogenic to humans. These emissions are a common source of pollution in the home, affecting an estimated 3 billion people worldwide. The International Lung Cancer Consortium aggregated data from seven studies including 5,105 cases of lung cancer and 6,535 controls to determine how hazardous biomass and coal combustion are.

The Working Group of the International Agency for Research on Cancer (IARC) reviewed the evidence and concluded that indoor emissions from coal and biomass combustion are carcinogenic to humans. The group noted the presence of polycyclic aromatic hydrocarbons (PAHs) and evidence of mutagenicity in wood smoke, as well as multiple studies demonstrating cytogenetic damage in humans.

Strong evidence supports the link between biomass fuel consumption and lung cancer. However, additional studies are needed in order to assess exposure and establish a causal link. Until then, the available evidence indicates that men have a lower risk than women. This finding has implications to future research.

Indoor emissions from biomass combustion are becoming a public health concern. More research is needed to determine the cause of the problem and the best ways to mitigate it. Solid fuel combustion is a serious public health problem, particularly in developing countries. These fuels are coal, wood and dung. These fuels can be found in many places around the globe and have many health benefits.

Because 2.4 billion people rely on biomass fuels for heating and cooking, biomass smoke exposure is crucial. Its toxicities can vary and the exposure to biomass fuels might be different than exposure to clean fuels. Additionally, different types and levels of biomass combustion can cause different toxicity. Therefore, a detailed history of biomass use is important to study potential risks.

These emissions could cause cancer. If this is true, it will make it even more urgent for countries to make improvements. Clean fuel use may be an effective way to limit the risk. The IARC Monographs Programme assesses the human effects of chemicals. It has always focused on occupational and lifestyle exposures in industrialized countries. However, it now focuses on other sources.

Particulate and gas phases both release organic compounds during biomass combustion. The gas phase is where the majority of organic material is emitted. The concentration of organic compounds will determine how gas-to–particle partitioning occurs. The emission coefficients of biomass combustion differ greatly. Pellets stoves are the most polluting. This variation is likely due to different measuring techniques.

Co-firing reduces emissions

The emissions of nitrogen oxides from biomass can be reduced by co-firing. The combustion temperature, N content, and char load in the combustion chamber all have an impact on the emission. According to the case, the NOX emissions from biomass cofiring can vary. The combustion process of biomass produces a fuelrich zone that converts organic carbon materials to N2.

In addition, biomass is more expensive than coal when burned for the same amount of heat. Because biomass is more expensive than coal, the efficiency of coal-fired boilers decreases, which in turn increases fuel consumption and costs. Nevertheless, the LCOE for rice husks or wood chips was decreased. Co-firing of biomass has the potential to reduce emissions and maximize biomass use in power generation.

Biomass co-firing can help reduce CO2, mercury, and other pollutants in the atmosphere. As a result, biomass co-firing is an environmentally-friendly alternative that preserves the coal industry. Further, biomass co-firing can help reduce the amount of NOx and sulfur dioxide released from combustion.

Co-firing can reduce both emissions and solid waste generation from coal-fired power stations. Biomass co-firing can be retrofitted to existing coal power plants or built as a standalone cofired power plant. It can offer many advantages over traditional power plant that burn 100% biomass. These include lower capital costs and greater efficiency. In addition, biomass cofiring can help utilities achieve their renewable energy goals while still utilizing their existing coal fleet.

Co-firing power generation technology offers many benefits, including a lower fuel mix. To burn biomass at high rates, it uses high efficiency coal-fired electricity plants. It can achieve up 46% efficiency. It reduces boiler slagging that can be harmful to the atmosphere.

Co-firing power generation technology promotes transformation of coal-fired power and adjusts the energy structure of China. It can efficiently make use of domestic and municipal wastes, as also urban sewage. It should be supported by government subsidies, preferential financing, and tax policies. However, technology needs more research and development.

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