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Since 1955, the United States government has recognized the need for legislation to clean up air pollution. Subsequent revisions to the initial legislation strengthened the laws regarding allowable amounts of car emissions, factory smog, and other sources of air pollution.

The most recent version, The Clean Air Act of 1990, tackled five areas: air-quality standards, motor vehicle emissions and alternative fuels, toxic air pollutants, acid rain, and stratospheric ozone depletion.

But now, in 2018, it isn’t just legislation and governments fighting air pollution. Private inventors, corporations, and other organizations are harnessing the technology that can aid in cleaning our air all over the world, along with recognizing that some advances in technology are creating more air pollution and combating it with air filter and filtration systems,  dust collectors, industrial vacuums, industrial blowers, air compressors, vacuum pumps and many other products.

Technology Is Causing Air Pollution

While it’s true that technology is being used to clean up air pollution, it’s also been the primary cause.

No technological wonder has caused more air pollution than the horseless carriage. Nearly half of Americans—150 million—live in cities that fail to meet federally designated air quality standards. Cars, vans, trucks, and (think dump trucks and backhoes) are the primary sources of such pollution, which includes the release of excess ozone, release of particulate matter, and release of other smog-forming emissions.

Air pollution health effects need to be taken seriously. Bad air increases respiratory disorders like asthma and bronchitis. Air pollution also increases the risk of life-threatening health conditions, such as cancer, and burdens health care systems with substantial medical costs. Particulate matter alone is responsible for up to 30,000 deaths a year.

Industrial pollution is another primary source of air pollution. According to the Environmental Protection Agency (EPA), air pollution levels from 1990 to 2008 increased 14 percent. This trend mirrors the number of human-caused greenhouse gas emissions in the air. Air pollution has serious effects on the health of the planet and its population.

Factories pollute the air mostly through fossil fuel emissions. Fossil fuel emissions include methane, carbon dioxide, and nitrous oxide. While these are naturally-occurring substances, the extremely high levels of emissions are the main concern. Industrial methods also emit manmade emissions of fluorine-containing gases like hydrofluorocarbons.

As an example, the Bulk Material Handling market is huge and air pollution is inherent in its processes. Bulk material handling is the process of packaging, processing and/or transporting bulk materials in preparation for shipment or sale. Bulk materials include dry materials like wood chips, cereals, coal, loose stone and gravel, ore and sand, as well as mixed wastes. Bulk handling material equipment can be made up of all kinds of individual pieces of equipment, depending on the application a system serves. Typically, though, they are composed of a mixture of stationary and moving equipment. Some examples of stationary bulk material handling equipment include: screw conveyors, conveyor belts, pneumatic conveyors, industrial mixers, industrial dryers, vibratory feeders, industrial scales and load cells and palletizers. Some examples of commonly employed moving or mobile equipment include: mobile hopper loaders and unloaders, shuttles, moving floors and various shuttles. To complete a bulk material handling system, systems may also be integrated into large structures, such as storage facilities integrated with mezzanines and storage racks. Bulk material handling, however, is not confined strictly to the land. Rather, bulk material handling systems are used all the time when loading and unloading cargo ships. In fact, increasingly, a type of bulk material handling equipment called the continuous ship unloader is replacing the gantry crane in ports around the world. Common examples of bulk cargo include grains (rice, wheat, maize, oats, barley, rye, etc.), gravel, coal, cements, dry edible agricultural products (livestock feed, peanuts, flour, seeds, raw or refined sugar, starches, etc.), iron, bauxite and petroleum or crude oil.

Aerosols are another significant source of air pollution There are many countries, starting with the United States, which are making significant progress in cutting down on air pollution that is directly related to aerosols.

How Technology Has Helped Decrease Air Pollution in Recent Years

Thankfully, we’ve already made some steps toward cutting the amount of air pollution, and it’s critical that we continue to do so.

The environmental effects of air pollution mean the destruction of oxygen producing plants and damage to long-term forest viability, deterioration of nutrients in the soil, toxins making their way into the food chain, killing and damage of aquatic life in streams, rivers, and lakes, and nitrogen overload in coastal estuaries leading to oxygen depletion and harm to fish and other aquatic animals.

Reducing air pollution has so many benefits! Clean air increases timber and crop yields, and better visibility conditions in 2010 in selected national parks and large cities had an impact of saving $34 billion.

Solar energy has been an alternative source of electricity for decades, though it is not widely used. Sunlight that reaches Earth’s surface provides, “…10,000 times more energy than we consume, and solar power aims to harness this force.” Solar technologies use sunlight captured through solar cells to provide electricity for heating, cooling, and even running small electronics like a calculator.

Researchers have determined that if we covered only 0.1 percent of the Earth’s surface with efficient solar cells, we could replace all other forms of energy. University researchers around the world are trying to develop advanced solar arrays using nanotechnology. Their hope is to harness the sun as our primary form of energy.

The EPA, since the early millennia, has mandated significant reductions in emissions from newer cars, vans, trucks, and non-road engines like those used in construction, agriculture, and industry, as well as trains and marine ships. They called for these changes using standards that combine cleaner fuels and cleaner engine technologies. Since the EPA began regulating through the 1970 Clean Air Act, emissions from all types of vehicles have been reduced from 90-99%.

This led to the development of the electric car and hybrid vehicles. They were first made noticeable by celebrity owners, but now the everyday drivers’ worries about increasing gas prices and the damage fossil fuels have on the environment, have created a demand and market for hybrids.

Sales of hybrid cars like Toyota’s Prius, doubled in January 2006 compared to the year before, with nearly 16,000 cars sold. Hybrids are built with smaller gasoline engines, electric motors, and rechargeable batteries. They deliver outstanding gas mileage and create far less air pollution than traditional vehicles.

In newly built plants that use coal as fuel, builders must install control devices that “capture up to 98 percent of the sulfur dioxide and in many cases 90 percent of the nitrogen oxide emissions, relative to uncontrolled levels.”

Clean technologies are being introduced and old tech is being improved. Though catalysts, scrubbers, and low-VOC paints and coatings were not used in 1970, they have been proven to be effective and are widely deployed today across industries.

Some examples include:

• Selective catalytic reduction (SCR)
• Scrubbers which achieve 95 percent and even greater SO2 control on boilers
• Sophisticated new valve seals and leak detection equipment, including cameras that can see leaks, for refineries and chemical plans
• Low or zero VOC paints, consumer products and cleaning processes
• Chlorofluorocarbon (CFC) and hydrochlorofluorocarbons (HCFC)-free air conditioners
• , refrigerators, aerosol sprays and cleaning solvents
• Water and powder-based coatings to replace petroleum-based formulations
• Market penetration of gas-electric hybrid vehicles and clean fuels
• Routine use of continuous monitoring technology that provides data more quickly
• Multi-pollutant monitors that helps us to better understand the complex nature of air pollution

New Technology to Control Air Pollution

One of the newest technologies to spring up recently is artist Daan Roosegaarde’s Smog Free Tower. Roosegaarde traveled to Beijing in 2014, and from his hotel room on the 32nd floor, he could not see the city. “It was all gone,” Roosegaarde says. “The city was completely covered with smog.”

Now, he is on tour with the world’s largest, and most impressive, air purifier. The Smog Free Tower will make bubbles of clean air wherever they are placed. Roosegaarde hopes his product will raise public awareness of the dangers of air pollution.

Through ion technology, the Smog Free Tower attracts and absorbs small pollution particles — PM2.5 and PM10 — and blows out clean air, leaving a 75% improvement in the air quality.

The tower is seven-meters high and cleans approximately 30,000 cubic meters of air every hour, the equivalent of “a small neighborhood a day,” notes Roosegaarde. One of its most positive qualities is that it requires only 1,400 watts of power — no more than a tea kettle.

Since the late 1990s, the EPA has required industrial plants to lower their emissions. This led to scrubbers. These pollution reduction devices are capable of removing toxic substances from exhaust streams or may neutralize them into harmless or even recyclable substances.

Another industrial pollution reduction option is Baghouses. These are filtration structures that have been retrofitted to power plants across the country. They catch fine particulates—tiny levels of soot, dirt, and chemicals that damage lungs and create smog.Baghouses are like huge vacuum cleaners. They are lined with fabric filter “bags” that are routinely cleaned or replaced.

Another type of air pollution reduction device is Bioreactors. This differs from the large-scale devices used in most industrial plants because “scientists are experimenting with tiny, simple living organisms called cyanobacteria that eat polluting carbon dioxide (CO2).” While most living organisms could never survive a smokestack, these algae flourish in the sweltering temperatures of industrial chimneys.

So, researchers designed “bioreactors.” These window-screen membranes are teeming with cyanobacteria and will be installed into power plant smokestacks in the near future. The light needed to sustain the algae would come from fiber- optic cables streaming light across the membranes. The algae will grow inside the chimneys while gorging on CO2 exhaust.

Finally, we can look to a technology that is already up and running: Biodiesel. This fuel alternative comes from any vegetable oil—including recycled vegetable oil from restaurants—and can power most diesel-engine vehicles without modification.

Since 2005, 75 million gallons have been sold in the United States, and many government vehicles use it as fuel. While it burns 78 percent cleaner than oil-based diesel, it is twice as expensive, and availability is scattered. Although only a fraction of US vehicles run on diesel, new fuel-efficient models on the market continue to gain in popularity.

What WE can do to Clean Up Air Pollution

As consumers, we can help by encouraging companies to use the clean air technologies available to them. These companies and corporations are in the business of making money. If consumers stop buying their products because they aren’t taking pollution seriously, they will go down the drain themselves.

We can also help by investing in alternative energy options like wind, solar, and hybrid vehicles. Such investments would not only help in reducing pollution of all kinds, but ultimately, these investments will pay for themselves and save money for Americans in the long-term. We have the power to make positive changes in air pollution!