The Present Situation and Prospect of Waste Paper Recycling in China

1. During the "Ninth Five-Year Plan" period, China's waste paper recycling has maintained a relatively rapid growth. The number of waste paper recycling is accelerating. The recycling of waste paper in China has grown rapidly with the development of the paper industry. The amount of waste pulp has increased from 7.6 million tons in 1995 to 12.3 million tons in 2000, accounting for the total amount of paper pulp used. 41%. Waste paper recycling is accelerating development across the country, especially in coastal areas, including Guangdong, Guangxi, Fujian, Zhejiang, Jiangsu, Shandong, and Beijing, Tianjin, and Shanghai. Papermaking industry in Zhejiang Province has adjusted the structure of raw materials since the 1980s, and has strongly promoted and promoted the use of waste paper for papermaking. It has achieved success. Now, the proportion of waste paper in the province's papermaking fiber raw materials exceeds 76%, reaching the advanced level of foreign recycling paper waste countries. . Guangdong Province has also exceeded 60%. The provinces and cities with rapid development of the paper industry are formulating plans to expand waste paper recycling and accelerate the development of the paper industry, and strive to achieve a new breakthrough in waste paper recycling in a relatively short period of time. The current problem is unbalanced development, and the recovery and utilization of waste paper in some provinces and cities is still relatively slow.
2. Actively and Effectively Utilizing Foreign Resources As foreign waste paper is mainly wood fiber, it can be seen from the amount of waste paper imported and used in 2000 that there were differences in total waste paper imports and waste paper imports in 1999 compared to 1999. The degree increased, with total waste paper increased by 47.6%, from 2.51 million tons in 1999 to 3.71 million tons in 2000. The amount of imported waste paper used increased from 245 million U.S. dollars to 557 million U.S. dollars, an increase of 127%. Among the 4 types of waste paper used by the customs, the import volume of bleached printed waste paper increased the fastest, with imports being 32. 60,000 tons, an increase of 84.5%, the largest import volume is mechanical pulp (old newspapers), accounting for 1/2 of all imported waste paper, 1.8 million tons in 2000, unbleached kraft paper and corrugated boxes The amount of waste paper imported was 961,000 tons, and other waste paper was 626,000 tons. In 2000, the average price of imported waste paper was US$150/t, which was US$52.4/t higher than in 1999. According to the variety, unbleached kraft paper and corrugated box waste paper was US$164.4/t, an increase of US$66.6/t. Bleached printing paper waste paper 141 US dollars / t, an increase of 56.7 US dollars / t, including mechanical pulp waste paper 146.1 US dollars / t, an increase of 47.7 US dollars / t, other waste paper 143.8 US dollars / t, an increase At US$45/t, the total waste paper price in 2000 was higher than that in 1999.
3. Adopting High-tech and Advanced Equipment Pulp and paper technology in the world today is reducing pollution, saving energy, water resources, and fully utilizing fiber regeneration resources. In recent years, a group of enterprises with strong capital and technical strength in China have adhered to advanced waste paper processing technologies at high starting points, high standards and high levels, and introduced advanced international equipment to strive to keep pace with the large-scale modernization of the paper industry in the short term. International trend. Since the reform and opening up, China has imported more than 50 sets of waste paper processing lines from abroad, including unbleached kraft paper and corrugated paperboard waste paper, waste newspapers, bleached printing paper waste paper, and other waste paper processing equipment. The largest waste paper processing line is Nissan. Ability to reach 500t. Including pulping, screening, purification, slag removal, washing, concentration, thermal dispersion, rubbing, flotation, deinking, bleaching and other advanced technology and equipment, these imported equipment is necessary to accelerate the use of waste paper in China, it is greatly The gap between China's waste paper processing technology and equipment and the world’s advanced level has been narrowed, and almost all the advanced equipment for waste paper processing in the world can be seen in Chinese enterprises. The current gap is only lagging behind foreign advanced level in the application of enterprise scale and individual advanced technologies.
4. Independent innovation and the introduction of technology to develop the equipment manufacturing industry In recent years, domestic light industrial machinery and research departments have done a lot of work on the research and development of waste paper processing equipment. Some equipment is close to the advanced level in foreign countries, reliable and practical, suitable for small and medium-sized enterprises to deal with all kinds of waste paper, can maintain the original strength of waste paper fiber, achieve water saving, energy saving, small fiber loss, easy maintenance, reasonable price, Facilitate the use of business acceptance. According to the development requirements of the paper industry, Jining Huayi Machinery Co., Ltd. of Shandong Province further improved the performance of waste pulp equipment during the “10th Five-Year Plan” period. The maximum processing capacity was increased to 400t/d, and the deinking pulp processing capacity reached 250t/d. Has signed with the United States TBC company waste paper processing equipment technology transfer contract. During the “Ninth Five-Year Plan” period, the control system for waste paper processing developed rapidly. Hangzhou Huazhang Group has done a lot of work in this area and has achieved great results. In particular, paperboard projects using waste paper are highly competitive. Hsin Paper's 150,000 tons of boxboard, Sun Paper's 150,000 tons of white paperboard, and Yongtai Paper's 65,000 tons of white paperboard waste paper processing and automatic control devices were all put into operation successfully, in line with State Council Premier Zhu Rongji’s “The textile industry has accelerated the development of common technologies, key technologies, and supporting technologies that promote structural upgrading through the innovation and introduction of technologies, revitalize the equipment manufacturing industry, and develop and manufacture large-scale, highly efficient, and advanced complete sets of technologies that are urgently needed. equipment.
5. Adding chemical aid waste paper in waste paper processing waste paper is already used secondary fiber, different from the original fiber, the intensity is low, the color is gray. However, it can be supplemented by the addition of chemical additives, especially in the deinking process. It needs more additives to improve quality and reduce pollution. There are many kinds of additives, which can be added at different locations according to different purposes. In order to better perform deinking, some companies use a deinking agent formulated from a variety of surfactants, and the research department is studying enzymes. In short, chemical additives are used in a wide range and have a good effect. There are whitening, enhancement, retention, filtration aid, flocculation, dispersion, chelation and so on. Chemical auxiliaries can not only improve quality, but also reduce pollution, and are very good for production. Therefore, papermaking companies at home and abroad attach great importance to the development and application of chemical auxiliaries. In recent years, some domestic enterprises and research institutes have been developing and applying them. In recent years, Domestic companies and research institutes have done a lot of work in the development, research, promotion and application, and have achieved remarkable results.
6. Pay attention to the secondary pollution in the waste paper processing process Although waste paper pulping and papermaking can reduce pollution, it does not mean that there is no pollution. In particular, the waste paper is still seriously polluted in the deinking process. In recent years, China has introduced several sets of waste paper deinking wastewater treatment devices from abroad. Generally, it is air flotation. The flocculation and sedimentation method developed by South China University of Technology has been applied in papermaking enterprises in Guangdong and Shandong. The white water recovery device has many models and it is widely used and it works well.
7. The preparation of waste paper for the “Recycling Classification Standard of Waste Paper” is based on the collection of waste papers, and the varieties are mixed. Some advanced countries in the world have established relevant standards for waste paper recycling sub-lights. As China’s awareness of social environmental protection increases, the country’s More and more paper mills use useful waste paper instead of some wood pulp and straw to produce various kinds of paper and paperboard, with a view to reducing costs and reducing the discharge of pollutants. Therefore, uniforms set the “classification standard for waste paper recycling” in China is an urgent task. . With the approval of the Ministry of Science and Technology, the China Uniform Pulp and Paper Manufacturers' Institute will undertake the cited research. The research cost will use the social welfare sky special fund, which is planned to be completed within two years. The above research work has been carried out.
8. Strengthening the recovery, classification and supply of domestic waste paper In recent years, the issue of waste paper classification and recycling has attracted the attention of relevant departments, and Beijing will issue the “Regulations on the Management of Recycling Resources in Beijing”. In 1998, Shanghai Municipality imported 1.23 million tons of waste, 70% of which were waste paper in spring, ie 860,000 tons of imported waste paper, together with the recovery and utilization of locally recycled waste paper, which promoted the conversion of waste paper into usable materials. Shanghai Paper Company The establishment of an integrated waste paper recycling and processing plant is of great significance to the development of the paper industry in Shanghai.
2. Ideas and Countermeasures for Recycling Waste Paper during the Tenth Five-year Plan Period 1. Promoting the Use of Waste Paper to Accelerate the Development of the Paper Industry During the “Tenth Five-Year Plan” period, the development target of China's paper industry is to reach 50 million tons of paper and paperboard consumption by 2005, an increase of 14 million tons from 2000, and a total output of 40 million tons of paper and board. An increase of 10 million tons over 2000. By 2005, the proportion of waste pulp in total pulp increased to 45%, and that of waste pulp was 16.2 million tons. For this reason, in the future, the use of waste paper will not only increase in quantity, but also have a new improvement in quality, variety, recycling methods, and processing technologies, so as to meet the needs of the paper industry.
2. Efforts to do a good job in the recovery of domestic waste paper Due to the rapid increase in paper consumption, it is possible to increase the recycling of waste paper in China. The current problem is that the recycling system for waste newsprint, waste kraft paper and corrugated packaging paperboard must be well established. For some large and medium-sized office organizations, a uniform waste paper classification standard should be established, classified and recycled, and classified for waste disposal. The rational use of paper resources.
3. Making full use of the waste paper resources of foreign waste paper as an international bulk trade commodity, only 10-20 years of history, the resources are mainly in high-consumption North America and Europe. In addition to local trade, waste paper mainly flows to Asia. The world's waste paper export trade volume is about 16 million tons, of which the United States exports the largest, about 7.5 million tons. In 2000, the amount of imported waste paper in China reached 3.71 million tons, 70% of which came from the United States. However, with the improvement of environmental protection and resource awareness, countries will strengthen the use of domestic waste paper, due to the large amount of waste paper in China, and increase in The speed is very fast, so in addition to continuing to increase the import of waste paper from the United States, it should also consider increasing the import volume of waste paper from its flattering countries.
4. Accelerate the development of large-scale, high-efficiency complete sets of domestic waste paper processing equipment For large enterprise groups, while importing foreign advanced technology and equipment, it is necessary to strengthen cooperation with equipment manufacturers to effectively organize digestion and absorption, and to drive the improvement of domestic equipment manufacturing level and accelerate development. The large-scale, high-efficiency complete sets of equipment are specially designed for the 400t/d non-bleaching waste paper processing system and 250t/d deinking waste paper processing system urgently needed by development and production companies, as well as the corresponding instruments and meters, and the automatic control devices must be synchronized.
5. Extensive use of chemical additives According to a survey conducted by the China National Paper Chemical Industry Association, the actual sales volume of papermaking chemicals in China at the end of the “Ninth Five-Year Plan” period was about 200,000 tons, and it may reach 600,000 tons at the end of the “10th Five-Year Plan” due to the existence of waste paper. With the problems of low fiber strength, poor whiteness, large number of small fibers, and high content of chemical substances, papermaking companies at home and abroad are using chemical additives to improve and improve the value of waste paper. In the future, we must focus on the development and promotion of new deinking agents, bleaches, reinforcing agents, detergents, and retention aids that are suitable for waste paper processing.
6. Strengthen pollution control, do a good job of sewage and waste residue treatment With the increase of waste paper consumption, the development of processing technology, especially the recycling of deinking waste paper, waste water and waste residue is becoming increasingly hazardous, in order to achieve environmental protection requirements, waste water and Waste treatment technology and equipment also need to be continuously improved and improved. Enterprises with strong financial strength shall introduce advanced foreign technologies and equipment for the treatment of sewage and waste residues. Domestic environmental protection equipment manufacturers and research institutes shall also expedite the development of new types of sewage treatment equipment to study new technologies and new equipment for the treatment of waste slag to ensure the use of waste. The paper produces little or no secondary pollution in the process and achieves a closed cycle of waste paper pulp and papermaking wastewater.
7. Accelerate the development of classification standards for waste paper recycling and related standards The waste paper classification standards and related standards approved by the Ministry of Science and Technology, including the waste paper recycling classification standards, the determination standards for the content of stickies in waste paper, and the determination standards for waste paper pulp residues It must be carried out quickly. After this work is completed, it will be of great significance to the classification of waste paper in China and the classification of imported waste paper.
8. Strengthen the work of the “Collaboration Center” and better serve the enterprise The current waste paper recycling has mentioned the important agenda for the development of the paper industry. The competition in the domestic and foreign waste paper market is fierce, and waste paper processing technology has developed rapidly. The “Collaboration Center” Strengthen the communication of unsuccessful material recycling with unsuccessful materials for environmental protection, report the situation and existing problems in the waste recycling work to government departments, and recommend that the state support the development of “thematic work of recycling and utilization of domestic waste paper” to facilitate the use of waste paper as an important papermaking industry. With regard to the effective use of resources, the state should introduce relevant policies and measures for “expanding waste paper for recycling and accelerating the development of the paper industry”. "Co-Russia and China" will also open up waste paper recycling seminars, information conferences and technical training classes from time to time, and organize experts to help enterprises solve problems in production. For technological transformation of enterprises, technological research,

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