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Driven by the global low-carbon wave, low-carbonization of packaging is also imperative, and green packaging that can be recycled and reused has become the vane of the development of the packaging industry. As a food packaging machinery company, green packaging biomaterials have become a major highlight in the packaging field. However, at present, this technology is still not very mature, so how to establish a perfect recycling system for waste packaging materials is the focus of the development of the packaging industry.
With the concept of low-carbon environmental protection becoming the main theme of society, many areas are practicing low-carbon environmental protection, as well as in the field of packaging materials. There are many kinds of green packaging materials, which can be roughly divided into four types: reusable and recycled packaging materials, edible packaging materials, degradable materials and paper materials.
Reusable packaging materials mainly refer to glass bottles used to package beer, beverages, etc., which can be used repeatedly. Recycled packaging materials mainly refer to plastic packaging materials, which can be made into recycled packaging containers after being physically disposed of. After chemical treatment, it can be made into recycled packaging products. However, the fly in the ointment of these two methods is that they only reduce the pollution of the environment, and when dealing with the latter, they must face the problem of polluting the environment.
Edible packaging materials are packaging materials that can be eaten with food, such as ice cream, corn baking cups, and the like. According to reports, edible packaging film and cling film have been successfully developed and are entering the packaging market. It is believed that these two green packaging materials will have more space and development prospects.
Degradable green packaging materials refer to degradable plastic packaging. After completing its mission, this plastic can be degraded and reduced in nature and has no pollution to the environment. Paper material refers to paper packaging materials. We know that the paper itself is made of natural plant fiber. The packaging material made of it naturally means a green packaging material, and its recycling value is very high. The technology is also very mature.
According to the current development situation, although green packaging materials are accelerating research and development, they are only attempts of new technologies, and they cannot be used in various fields. Therefore, recycling of packaging waste is the only way to achieve green packaging.
With the increase in the amount of packaging waste, the cost of waste disposal is rising, and it is an irresistible trend to increase the recycling of packaging waste. However, in the process of rapid development of packaging production, China still has a large gap with developed countries in the management, disposal and recycling of waste.
First of all, the recycling of packaging materials has obvious economic and ecological benefits. According to relevant experts, although there are many kinds of packaging waste, the materials of packaging products can be basically divided into four categories: paper products, plastic products, glass products and metal products. Packaging waste is mostly renewable resources.
Secondly, the continuous increase in packaging waste production provides sufficient production resources for recycling. At present, paper packaging products are about 8.35 million tons, plastic packaging products are about 2.44 million tons, glass packaging products are about 4.44 million tons, and metal packaging products are about 1.61 million tons. At the same time, these products are growing at an annual rate ranging from 12.5% ​​to 30%. Research data shows that 1 ton of waste paper can regenerate 0.8 tons of new paper or 0.83 tons of cardboard; 1 ton of waste plastic can regenerate 0.75 tons of diesel or 0.6 tons of unleaded gasoline. It can be seen that there is no need to worry about the raw materials of recycling.
Thirdly, the processing technology for packaging waste is becoming more and more mature, and the processed packaging waste has broad applications and the market prospect is promising. After the waste snack box is recycled, it can be mixed with soil or other substrates by shredding and harmless treatment for soilless or semi-soil cultivation. Waste plastic oiling technology uses high-performance catalysts to depolymerize high-density polyethylene or polypropylene plastics, and can produce diesel and gasoline in line with national standards, with an oil production rate of more than 75%. Liquefied gas and carbon black can also be recovered if necessary equipment is added. Chemical products such as toluene, xylene and pure benzene can be produced by changing the catalyst. In addition, the use of waste plastics and filling mixtures to form a fertilizer coating, the cost of coating is only about 300 yuan / ton than ordinary compound fertilizer. This is an environmentally friendly project that turns white pollution into green fertilizer and can consume a large amount of packaging waste.
With the promotion of environmental awareness, consumers are paying more and more attention to the environmental information of products. 37% of consumers often look for environmentally friendly signs on food packaging. The proportion of consumers who trust the information represented by the eco-label has risen from 37% in 2011 to 54% today. During the survey, about 20% of consumers were able to identify the FSC (Forest Stewardship Council) logo, which represents a global and rigorous forest sustainable management certification system.
At present, many companies have started from this aspect, taking social responsibility as their responsibility, and occupying the commanding heights of the future development of the packaging industry. According to statistics, the recycling amount of milk beverage paper packaging in China has increased year by year. In the first half of 2013, more than 5.6 billion milk beverage paper packagings have been recycled. Since 2005, classified recycling packaging has become an environmental action that consumers often carry out. The recyclability of packaging materials is also seen by the food industry as a priority when developing new products or services.
“On a global scale, consumers are more concerned about whether packaging materials are renewable and environmentally friendly. The recyclability of packaging is a basic appeal of packaging for consumers and the food industry.†This is the environmental investigation report released by Tetra Pak recently. Arrived.
Packaging recycling and utilization become the development trend of the packaging industry
[ppzhan Abstract] In recent years, under the stimulation of economic development, the packaging industry has developed rapidly and has evolved from a subsidiary position to a real commodity. At the same time, with the continuous enhancement of environmental awareness, the recycling of packaging materials has become the focus of the development of the packaging industry.