2.2 Industrialization of packaging waste resource recycling
Paper, plastic, glass, and metal waste packaging can all be recycled, recycled, recycled, and reused using certain technologies. It also saves energy compared to the use of natural materials to produce new packaging materials. It is of great significance in the current energy shortage. For example, recycling aluminum cans to regenerate new packaging materials can save energy by 95% compared to aluminum packaging materials made from bauxite. Recycling steel and glass waste packaging to make new packaging materials can save more than the production of new packaging materials from ores or quartz sand. Energy 50%～75%, adding re-melting furnace per ton of cullet glass can save 25kg of soda ash than melting glass with quartz sand. Recycling waste plastic packaging into packaging containers can save energy by 85% compared with new packaging from resin. 96%, saving 85% of resin consumption; the use of waste paper to produce recycled paper can also significantly save energy compared to the production of paper from raw materials, while reducing pollution to the environment.
Therefore, all countries in the world attach great importance to the recycling of waste packaging resources. In the UK, 2/3 of the waste paper is recycled. After removing impurities, deinking, and bleaching, plus a certain amount of new pure wood pulp to produce recycled paper, British recycled paper currently accounts for 55% of the total production of paper and board. 80% of the products have become a decisive industry; the United States attaches great importance to the establishment of a waste paper recycling network, so that the recycling rate of waste paper reaches 70%, and the recycling rate of corrugated boxboard reaches 75%, and a large amount of recycled paper and cardboard are produced. Exports and earning foreign exchange are the fastest-growing industries in the 1990s. US Waste Disposal International has reached US$6 billion at the end of the 20th century. In order to avoid the formation of islands of waste, the recovery rate of waste paper has reached 80%. Paper has become the second largest industrial park for recycled paper except the UK; Germany has passed legislation that mandates the recycling of discarded packaging resources and established the well-known Green Dot Company (DSD). The network system is spread all over the country. Currently, paper, metal, The waste recycling rate of glass waste packaging has reached 65% to 80%, and the recycling rate of the most difficult waste plastics packaging has reached 50%; Western developed countries waste metal Recycling is also high priority, which has reached its regeneration amount of metal used in an amount more than 20%, in Japan in 1994 recycling rate of waste canister has reached 69.8%.
Under the guidance of the scientific concept of development and the promotion of the development of circular economy, the recycling of packaging waste resources in China must also become a new industry, which is another new trend in the development of China's packaging industry. In order to form a recycling industry for packaging waste resources, three issues should be seriously resolved:
1) The state needs to legislate, the "Packaging Waste Restriction Law" is based on the polluter pays principle, and Shaanxi is issued; 2) The network system for recycling is to be established, and the DSD operation system and mechanism in Germany can be used for reference in China; 3) We must vigorously develop technologies for recycling, recycling, and especially recycling.
2.3 Green packaging materials will be vigorously developed and developed
Under the impetus of the scientific development concept and the emphasis on environmental protection, green packaging has become an inevitable trend in the development of the world packaging industry. In addition to the functions of packaging, protection, convenience, promotion, and information, environmental protection functions must be added. Packages that do not have environmental protection functions will gradually be eliminated under the green barriers of various countries in the world. In the development of green packaging, green packaging materials are the most critical factor. Therefore, the momentum for the development, development and production of green packaging materials in the future will certainly be further promoted and developed. Green packaging materials are an important branch of materials science. Due to the great demand for packaging, research and development on it will certainly attract the attention of researchers other than the packaging industry.
Green packaging materials have the two meanings of resource conservation and environmental protection. It refers to the material that has the lowest environmental load and the highest recycling rate during the entire life cycle. In addition to its common characteristics of general packaging materials, it also needs to have good environmental performance, resource performance, reduced performance, and non-recovery processing performance. According to the progress of research and development in various countries, green packaging materials can be summarized as follows:
1) Recyclable or recyclable packaging materials; 2) Degradable plastic packaging materials; 3) Edible packaging materials; 4) Unproved vegetable fiber packaging materials; 5) Transgenic plant packaging materials; 6) Lightweight and thin Fluorine-free, high-performance packaging materials; 7) Wood packaging materials; 8) Green nano-packaging materials; 9) Green packaging auxiliary materials (adhesives, inks, coatings); 10) Green packaging materials additives.
In the future, the research and development of green packaging materials in China should focus on China’s resource situation, with the main direction of resource conservation, biodegradability, and easy recycling. In the hi-tech industry, we must closely track international trends, and adopt international green standards in R&D and production. The R&D collaboration between R&D institutes and manufacturing companies strives to make R&D of green packaging materials among the world’s leaders.
(to be continued)
Paper, plastic, glass, and metal waste packaging can all be recycled, recycled, recycled, and reused using certain technologies. It also saves energy compared to the use of natural materials to produce new packaging materials. It is of great significance in the current energy shortage. For example, recycling aluminum cans to regenerate new packaging materials can save energy by 95% compared to aluminum packaging materials made from bauxite. Recycling steel and glass waste packaging to make new packaging materials can save more than the production of new packaging materials from ores or quartz sand. Energy 50%～75%, adding re-melting furnace per ton of cullet glass can save 25kg of soda ash than melting glass with quartz sand. Recycling waste plastic packaging into packaging containers can save energy by 85% compared with new packaging from resin. 96%, saving 85% of resin consumption; the use of waste paper to produce recycled paper can also significantly save energy compared to the production of paper from raw materials, while reducing pollution to the environment.
Therefore, all countries in the world attach great importance to the recycling of waste packaging resources. In the UK, 2/3 of the waste paper is recycled. After removing impurities, deinking, and bleaching, plus a certain amount of new pure wood pulp to produce recycled paper, British recycled paper currently accounts for 55% of the total production of paper and board. 80% of the products have become a decisive industry; the United States attaches great importance to the establishment of a waste paper recycling network, so that the recycling rate of waste paper reaches 70%, and the recycling rate of corrugated boxboard reaches 75%, and a large amount of recycled paper and cardboard are produced. Exports and earning foreign exchange are the fastest-growing industries in the 1990s. US Waste Disposal International has reached US$6 billion at the end of the 20th century. In order to avoid the formation of islands of waste, the recovery rate of waste paper has reached 80%. Paper has become the second largest industrial park for recycled paper except the UK; Germany has passed legislation that mandates the recycling of discarded packaging resources and established the well-known Green Dot Company (DSD). The network system is spread all over the country. Currently, paper, metal, The waste recycling rate of glass waste packaging has reached 65% to 80%, and the recycling rate of the most difficult waste plastics packaging has reached 50%; Western developed countries waste metal Recycling is also high priority, which has reached its regeneration amount of metal used in an amount more than 20%, in Japan in 1994 recycling rate of waste canister has reached 69.8%.
Under the guidance of the scientific concept of development and the promotion of the development of circular economy, the recycling of packaging waste resources in China must also become a new industry, which is another new trend in the development of China's packaging industry. In order to form a recycling industry for packaging waste resources, three issues should be seriously resolved:
1) The state needs to legislate, the "Packaging Waste Restriction Law" is based on the polluter pays principle, and Shaanxi is issued; 2) The network system for recycling is to be established, and the DSD operation system and mechanism in Germany can be used for reference in China; 3) We must vigorously develop technologies for recycling, recycling, and especially recycling.
2.3 Green packaging materials will be vigorously developed and developed
Under the impetus of the scientific development concept and the emphasis on environmental protection, green packaging has become an inevitable trend in the development of the world packaging industry. In addition to the functions of packaging, protection, convenience, promotion, and information, environmental protection functions must be added. Packages that do not have environmental protection functions will gradually be eliminated under the green barriers of various countries in the world. In the development of green packaging, green packaging materials are the most critical factor. Therefore, the momentum for the development, development and production of green packaging materials in the future will certainly be further promoted and developed. Green packaging materials are an important branch of materials science. Due to the great demand for packaging, research and development on it will certainly attract the attention of researchers other than the packaging industry.
Green packaging materials have the two meanings of resource conservation and environmental protection. It refers to the material that has the lowest environmental load and the highest recycling rate during the entire life cycle. In addition to its common characteristics of general packaging materials, it also needs to have good environmental performance, resource performance, reduced performance, and non-recovery processing performance. According to the progress of research and development in various countries, green packaging materials can be summarized as follows:
1) Recyclable or recyclable packaging materials; 2) Degradable plastic packaging materials; 3) Edible packaging materials; 4) Unproved vegetable fiber packaging materials; 5) Transgenic plant packaging materials; 6) Lightweight and thin Fluorine-free, high-performance packaging materials; 7) Wood packaging materials; 8) Green nano-packaging materials; 9) Green packaging auxiliary materials (adhesives, inks, coatings); 10) Green packaging materials additives.
In the future, the research and development of green packaging materials in China should focus on China’s resource situation, with the main direction of resource conservation, biodegradability, and easy recycling. In the hi-tech industry, we must closely track international trends, and adopt international green standards in R&D and production. The R&D collaboration between R&D institutes and manufacturing companies strives to make R&D of green packaging materials among the world’s leaders.
(to be continued)
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