Plastic bottle production water consumption, will be banned?

Recently, the United States, Britain and other European and American countries have recently resisted bottled water campaigns. Environmental organizations and local governments have urged consumers to drink tap water. New York City Mayor of San Francisco, the United States, banned government officials from using fiscal funds to buy bottled water last month; the mayor of Salt Lake City asked officials not to provide bottled water at government meetings. Advocates of the campaign said that the global consumption of bottled water is huge, and the plastic bottles used consume a lot of water resources. It is difficult for all plastic bottles to be recycled after a one-off consumption, resulting in serious waste pollution. In response, the reporter interviewed relevant experts of HIT and learned that the recycling of plastic bottles in China was only a little over 60%.

Serious water consumption in the production of plastic bottles

Most of the bottled water used today is a plastic bottle. If you do not account, no one knows that drinking bottled water turned out to be a luxury.

Phil Wylers, the Secretary of State for the Environment Ministry of the United Kingdom, recently stated in an article on the status quo of water resources waste: “The plastic bottle production process consumes a lot of water. A plastic bottle with a capacity of 1 liter is It takes 7 liters of water to produce.” The production of plastic bottles consumes 7 times more water than the bottle. José Louis, a biology teacher in Spain, was even more ambitious in class recently: The production of a 1 liter plastic bottle consumes 80 liters of water.

The media consulted some plastics production companies on such issues, and the answers received were mostly negative. However, the specific amount of water consumed for producing a plastic bottle with a capacity of 1 liter is quite ambiguous, and production companies are obscure to say, "There will certainly not be so much!"

The media interviewed Professor Meng Linghui of the Department of Polymer Materials and Engineering of the Department of Chemistry of Harbin Institute of Technology. According to Professor Meng, the production of plastic packaging products is not only the production of bottles, but also the production of raw materials for plastic bottles. These raw materials need to be refined from petroleum, and water needs to be consumed in raw material production and later bottle production. Simply saying that the production process may not consume so much water, but putting all the production processes together will consume more water. Professor Meng said that manufacturers of plastic packaging products consume different amounts of water due to their different scales. In the production process of plastic packaging products, plastics are deformed after heating, and after the shape is stable, they are cooled with water. The process water should be recycled and not consumed. In fact, all plastic packaging products are produced by small companies. Water is not recycled but is disposable at one time. In order to drink a bottle of water, consume 7 times more water, which is too extravagant.

Plastic bottled water is not healthy

Before plastic bottled water became the drinking habit of people, the bottles filled with water were mostly glass. Although glass bottles also consume a lot of water, glass bottles can be reused. In comparison, the cost of one-time consumption of plastic bottles is too great.

Professor Meng Linghui gave reporters a set of data. In 2006, China consumed more than 30 million tons of plastic raw materials, of which about 70% of raw materials were used for the production of disposable plastic products, of which plastic bottles accounted for a considerable share. Although plastic bottles can be recycled, in fact, the recycling of plastic bottles in China is only a little over 60%, and a large number of plastic bottles that are not recycled cause pollution.

The famous German scientist William Shaddick once pointed out that plastic containers filled with water and various beverages contain too much wolfberry, which is a toxic chemical that gradually mixes with the beverage in the bottle and produces a nervous system and other organs Disordered material. “In the process of processing, transportation, and drinking, bottled water is much more likely to be contaminated than tap water,” said Han Hongjun, a professor of municipal engineering at the HIT.

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