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china fights big smog with big air purifier
by：Yovog
2023-05-21
China has found a new way to solve the problem of large-scale air pollution: installing a giant air purifier the size of an industrial chimney in smogplagued city.
Instead of spewing black smoke like a chimney rising from a factory in Shaanxi province, 60-meter (197-foot)
High-rise building in the suburbs of Xi\'an with fresh air.
Standing high
Depending on the weather, season and level of pollution, the device is able to clean 5 million to 18 million cubic meters of air per day, according to a report from Thecover, the Chinese website. cn.
The tower can reduce the density of PM 2. 5 --
Tiny air particles considered to be the most harmful to health-
Between 10 and 19% within 10 square kilometers (3. 9 square mile)
Said on the website. PM 2.
It can play a role in heart disease, stroke and lung diseases such as swelling and cancer.
Currently, the facility--
Built in June 2016--
Just an experiment.
But its designers want to build similar towers throughout the city.
Cao Junji, an environmental protection expert at the Chinese Academy of Sciences, told reporters that to cover 100 square kilometers of cities, about 1,000 towers are needed (
385 square miles).
He said many people questioned the effectiveness of the device.
\"I have questioned myself.
But when we finished, the result was very good.
They met our expectations.
In 2014, the Chinese government declared war on pollution.
In many areas, the pollution is very serious and people often wear masks on the streets to buy expensive air purifiers for their homes.
Last winter, China cut output from many steel smelters, steel mills and factories.
The Ministry of Environmental Protection has imposed severe sanctions on the Environmental Protection Department.
Pollution targets in 28 cities around Beijing are expected to shift at least 3 million households from coal to gas or electric heating.
Air quality in China improved in 2017 with an average PM 2 level.
5 tablets decreased by 6.
According to the environmental department, there are 5% out of 338 cities.
Last year, a study by the University of Chicago found that air pollution in northern China shortened life expectancy by three years compared to southern China.
But a new study by the University of March found that China has made great progress in fighting smog, and life expectancy may increase by more than two years.
Instead of spewing black smoke like a chimney rising from a factory in Shaanxi province, 60-meter (197-foot)
High-rise building in the suburbs of Xi\'an with fresh air.
Standing high
Depending on the weather, season and level of pollution, the device is able to clean 5 million to 18 million cubic meters of air per day, according to a report from Thecover, the Chinese website. cn.
The tower can reduce the density of PM 2. 5 --
Tiny air particles considered to be the most harmful to health-
Between 10 and 19% within 10 square kilometers (3. 9 square mile)
Said on the website. PM 2.
It can play a role in heart disease, stroke and lung diseases such as swelling and cancer.
Currently, the facility--
Built in June 2016--
Just an experiment.
But its designers want to build similar towers throughout the city.
Cao Junji, an environmental protection expert at the Chinese Academy of Sciences, told reporters that to cover 100 square kilometers of cities, about 1,000 towers are needed (
385 square miles).
He said many people questioned the effectiveness of the device.
\"I have questioned myself.
But when we finished, the result was very good.
They met our expectations.
In 2014, the Chinese government declared war on pollution.
In many areas, the pollution is very serious and people often wear masks on the streets to buy expensive air purifiers for their homes.
Last winter, China cut output from many steel smelters, steel mills and factories.
The Ministry of Environmental Protection has imposed severe sanctions on the Environmental Protection Department.
Pollution targets in 28 cities around Beijing are expected to shift at least 3 million households from coal to gas or electric heating.
Air quality in China improved in 2017 with an average PM 2 level.
5 tablets decreased by 6.
According to the environmental department, there are 5% out of 338 cities.
Last year, a study by the University of Chicago found that air pollution in northern China shortened life expectancy by three years compared to southern China.
But a new study by the University of March found that China has made great progress in fighting smog, and life expectancy may increase by more than two years.
