The hottest white pollution and waste plastic recy

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White pollution and waste plastic recycling

in 2004, the apparent consumption of plastic raw materials in China was 38.133 million tons, and the cumulative output of plastic products of Enterprises above Designated Size in China reached 18.466 million tons, an increase of 12% over the same period last year; Among the plastic packaging products, the output of the main products (including films, plates and bars, plastic wires and woven products, plastic packaging boxes and containers, daily use and others) is more than 6 million tons. Foamed plastic (excluding polystyrene disposable lunch boxes, which were about 50000 tons before being banned in 1999) was 859500 tons, an increase of -0.22% year-on-year, accounting for 4.7% of the total

plastic packaging is the largest part of the plastic industry, with an average annual growth rate of more than 15% higher than that of other plastic products, nearly twice the average annual growth rate of China's GDP, highlighting its strong social demand and the objective needs of economic development. All kinds of foamed plastics are widely used in construction, packaging, heating, transportation, furniture and other industries because of their excellent properties such as heat preservation, heat insulation, shock absorption, corrosion resistance, and the characteristics that the foaming ratio can be adjusted according to needs to effectively reduce costs

1 causes of "white pollution"

the main cause of "white pollution" is that plastic bags, mulch films and disposable lunch boxes are discarded at will, rather than the plastic materials themselves. It is difficult to recycle the plastic film after use, causing the film fragments to be abandoned in the fields, causing the so-called "white pollution". Later, it will be Volvo's first car model with carbon fiber body, and the box will be discarded on both sides of the railway to form people's visual pollution. From then on, people have joined the ranks, followed by ultra-thin plastic bags. In Japan, after the use of mulching film, it is necessary to clean up the waste mulching film in the field by manpower. The main body of this work is women. Now, Japan has successfully developed biodegradable plastic mulching film. Although the price is high, it saves the labor cost of manually picking up the waste film, and is being widely promoted and applied

it is undeniable that the use of plastic mulching film has made great contributions to farmers' increase in production and income, known as the "white revolution", which is still in use until now. It is an important means of agricultural production and an effective means to solve the problems of agriculture, rural areas and farmers. In 2004, the output of agricultural film reached 728700 tons, an increase of -3.28% over the previous year. Polystyrene foam disposable lunch boxes have also made outstanding contributions to people's convenience and saving meal time because of their high quality, low price and sanitary characteristics and highly competitive characteristics in the same industry. Polystyrene disposable lunch boxes are still used around the world. The use of these materials has shown great vitality from the beginning, and they are environment-friendly materials

as an important part of the national economy, China's plastic products industry has developed continuously, rapidly, healthily and stably in recent years, making great contributions to the rapid development of the national economy. Any evaluation of plastics should respect science and follow the principle of seeking truth from facts. As for the statement that "plastic bags are poisonous", at the European Community Basel conference, all plastics are considered non-toxic. "Refuse to use plastic bags" is unrealistic and does not conform to national conditions. Refusing to use or banning plastic bags does not meet the requirements of economic development and people's life

2 recycling of waste plastics is the main way to solve the environmental problems of plastics

the widespread use of plastics will inevitably bring environmental burden. It is estimated that China will produce at least 5 million tons of waste plastics every year. Most plastics are recycled as much as possible because of their high regeneration value and the highest calorific value of garbage after losing their use value. In China, most of the used plastics are recycled, and the prospect of waste plastic recycling industry is very attractive. Although disposable plastic products account for a small proportion of the total amount of plastic, they can also be recycled and reused, but after use, they are very easy to be abandoned because of their small recycling value. Due to the excellent corrosion-resistant characteristics of plastic, they are not perishable and have a relatively light proportion. If they are not reasonably and timely treated, Jinan new era Gold Testing Instrument Co., Ltd. is listed as one of the 182 key brand enterprises in Shandong Province, which is easy to be discarded and harmful to the environment

at present, the oil price remains high, the price of plastic raw materials rises sharply, and plastic processing enterprises are struggling. If reasonable measures are taken to recycle disposable plastic lunch boxes, not only the environment will be protected, but also resources will be regenerated, and the recycling of waste plastics will be profitable. Moreover, environmental protection and resource regeneration are also the contents of China's long-term plan for the 21st century. For example, the recycling and granulation of polypropylene lunch boxes filled with calcium carbonate sold at a price of 4500-5300 yuan/ton in September 2004

3 comprehensive treatment should be taken to deal with the environmental problems of waste plastics and "white pollution"

what kind of disposable tableware made of materials can be accepted by the society without polluting the environment is a problem we should seriously discuss. First of all, the materials used should be non-toxic or pollution-free. If tableware made of any material cannot be completely absorbed by the environment within a certain period of time, it must be disposed of reasonably

at present, the fast-food boxes used in the market include pulp molded, calcium carbonate filled polypropylene, and other materials. According to relevant media reports, the hygiene and quality qualification rate of the fast-food boxes currently used in Beijing is only 60%, which did not exist before the polystyrene fast-food boxes were banned. That is to say, the fast food boxes made of the above materials can not only solve the problem of environmental pollution, but also have new problems such as poor quality and unqualified sanitation. At this stage, the market situation of fast food boxes used in China is worrying, which will directly affect the image of Beijing at the 2008 Olympic Games. How to solve the problem of fast-food boxes? The eyes of the whole country are on Beijing

it is not difficult to solve this problem. Now biodegradable plastics are widely used in many fields. If this material is used as a fast-food box, the above problems of hygiene, quality and environmental pollution can be solved. However, this material is expensive and difficult to be accepted by the market

another solution is to learn from Shanghai and reuse polystyrene materials. Establish an effective operation mechanism and system for fast food box recycling. The elongation of some materials can be above 1000%. Strengthen legislation, encourage recycling, strengthen publicity and education, and everyone in the whole society can participate to form good habits

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