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Pellets, pollutes and is carcinogenic

Pellets, pollutes and is carcinogenic



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Pellets, pollutes and is carcinogenic: here are all the research results that highlight the risks associated with burning pellets at home. From information on fine particles, which are carcinogenic and harmful to humans, to the environmental balance that quantifies the damage caused by pellets to the environment.

Thecommunityglobal have leftalmost deceivefrom thisbiomasswhich promised clean combustion and energyecofriendly. We ourselves, relying on a report drawn up by the University of Bologna in collaboration with the "Clean Energy Research Center"Of the University of British Columbia, we trusted the environmental safety of thepellets. The study, conducted in 2009, estimated that the energy consumed to shippellets from Vancouver to Stockholm represents only 14% of the total energy yield of the pellet load.

Pellets pollute according to the Royal Institute of International Affair

In contrast to what was stated by the study cited in the introduction, comes the research of the Royal Institute of International Affairs which condemns the use of pellets as a fuel for heating or producing energy. For the Royal Institute of International Affair, pellets would be polluting, even more than coal.

The reason? Until now we have thought that biomasses were a valid alternative to fossil fuels because they are derived from renewable material: trees. The problem is that young trees, continuously cut and replanted, do not reach the right maturity to absorb enough CO2 to balance the emissions produced by the combustion of biomass.

Carcinogenic pellets according to an ENEA research

Let's start with a premise:any combustion is harmful to health because it releases carbon dioxide and, if necessary, other compounds harmful to the human respiratory system such as particulate matter and benzoapyrene. Even the pellets do not escape this rule. An in-depth study on the negative impact that pellets would have on human health comes from Enea.

For Enea, 99% of particulate emissions from the civil sector is due precisely to the combustion of woody biomass,pelletsincluded. In short, to reduce PM10 in city centers, in addition to organizing anti-smog car blocks, we should provide days "without pellet stoves ".

Other studies that pellets hurt

We talk a lot about smog and city pollution; we generally tend to blame the exhaust fumes of cars but a strong impact could have toopelletsand the fumes released from stoves and fireplaces.

The waste from wood combustion, released into the air, is the worst pollutant in circulation, more harmful than a car's exhaust gas.

According to data from the Lombardy ARPA, the first source of smog is the combustion of wood which would represent 45% of PM10 fine dust present in the region. The abbreviation PM10 identifies one of the many substances in which theparticulate matter,that material present in the atmosphere in the form of microscopic particles.

The fine powders Pm10 and Pm2.5 can be consideredcangerogene, which is why many public health advocates have pointed to the pellet ascarcinogenic. The danger of fine dust is directly proportional to the size: the smaller the particles, the deeper they can permeate our respiratory system.

It is not so much the pellet that is carcinogenic as the fumes released from its combustion as well as from the combustion of wood. In Italy, according to research by the Viass project of the Disease Control Center of the Ministry of Health, there are about 30,000 deaths a year caused by the impact of fine particulate matter on health, equal to 7% of all deaths. The combustion of woody biomass releases high doses of particulates which, entering the airways through breathing, would damage the pulmonary alveoli.

If fine dusts, microscopic particles with a diameter of 7 µm can reach the oral cavity, nasal cavity and the larynx, particles with a diameter of 1.1 µm can even reach and damage the pulmonary alveoli.


References:
"An environmental impact assessment of exported wood pellets from Canada to Europe". Year of publication: 2009. Study written by: Department of Chemical and Mineral Engineering (DICMA), University of Bologna, Italy. Clean Energy Research Center, University of British Columbia, Vancouver (Canada). Delta Research Corp (Canada).

"Woody Biomass for Power and Heat Impacts on the Global Climate". Year of publication: 2017. Study prepared by: Royal Institute of International Affair.


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