Focus on recycling

Easy to solve the problem of material recycling


  • 05-19
    2021

    The global mess of waste disposal; China should not take the blame

    Japan's Kyodo news agency recently published a report titled "China's garbage import ban triggers global waste disposal chaos."  Since China banned the import of plastic waste in January this year, Europe, the United States and Japan, which are the source of exports, are struggling to find recipients, the report said.  Rubbish with nowhere to go is piling up in countries and chaos is spreading around the globe.  At a WTO meeting in October this year, there was criticism that "sudden policy changes could contribute to the deterioration of the world environment".  The impact of China's ban is also being felt in Japan, the report said: garbage handlers have been flooded with commissions, but many have reached the limits of their capacity to handle waste, with some from factories filling middlemen's warehouses, and the only way to respond is to relax restrictions and upgrade the capacity of processing facilities.   The United States and the European Union have raised the so-called "issue" with the WTO, while South Korea, Canada and Australia have joined the "critics" and Japan has also expressed "concern."  They criticized China for not giving enough information about the ban.  "Continued disruption of the world's recycling system will accelerate the increase in Marine debris," the US said.  Europe and the United States and other countries are planning to Southeast Asian countries and India as new waste recipients, in order to increase waste exports.  However, in October, a large amount of garbage was found to be illegally discarded in Malaysia. Vietnam, Malaysia and other countries have also begun to strengthen the import control of resource garbage. The export destination of resource garbage in Europe, America and Japan is expected to further decrease.   China used to be the world's largest importer of resource waste.  Since 1988, China has received about half of the world's waste each year, including more than 7 million tons of plastic waste each year worth billions of dollars, according to United Nations statistics.  Nearly half of the plastic waste on Earth is exported to China, where recycled materials are then turned into more plastic products.  Over the past 30 years, the United States has shipped more than 10 million tons of plastic waste to China, with 1.43 million tons worth about $495 million exported to China in 2016 alone.  According to the Guardian, 2.7m tonnes of plastic waste from the UK goes to China every year, accounting for two-thirds of the country's plastic waste.  Eighty-seven percent of recycled plastic exported from the 27 EU member states is directly or indirectly exported to China.  China imports 619,000 tonnes of Australian recycled materials worth US $523 million a year, most of which comes ashore at China's Hong Kong port and is then shipped to waste disposal stations in southern China.   China imports foreign waste, which has made a great contribution to the cleanliness of the world environment.  However, while China has gained some economic benefits, it has also paid a price at the expense of the environment.  Some of this foreign waste is not only imported legally, but also recycled by illegal waste disposal workshops.  These workshops often incinerate or dispose of waste without any use, causing great pollution to the environment.  In addition, recyclable solid waste is often mixed with a lot of highly polluting waste and hazardous waste.  In order to maximize the use of raw materials, recycling agencies employ a large number of people to sort them by hand, and pollution from hazardous substances can cause physical harm to sorting workers.   Some analysts believe that the import of foreign waste is a temporary measure taken by China in the initial stage of manufacturing industry in order to accumulate primitive capital and rapidly improve people's living standards.  With the continuous enhancement of China's industrial strength, the gradual stability of the raw material market, the gradual upgrading of the manufacturing industry, and the improvement of people's requirements for the standard of living health, foreign waste will eventually withdraw from the stage of history.   In order to protect the environment and people's health, China has decided to conserve energy and reduce emissions.  In July 2017, China formally notified the WTO that 24 types of foreign waste, including 8 types of plastic waste from domestic sources, 1 type of unsorted waste paper, 11 types of textile waste and 4 types of vanadium slag, will be banned from import in January 2018.  By the end of 2017, China will ban the import of solid waste, which is highly harmful to the environment and has aroused strong public concern.  The import of solid waste, which can be replaced by domestic resources, will be phased out by the end of 2019.   China's ban has taken many developed countries by surprise.  Long dependent on exports such as plastic waste to China, these countries lack adequate recycling measures and are beginning to pay the price for their long sloth.  Britain's environmental authorities, for example, have long been warned that China will ban imports of foreign waste sooner or later, but have made no effort to set up a new recycling system.  Simon Elling, chief executive of the British Waste Recycling Association, said the government had a "terrible record" of getting the job done. "If the government is serious about waste and recycling, it needs to invest and come up with a coherent plan for the recycling industry.  But the truth is, that plan doesn't exist.  The British Isles are facing a serious garbage siege.  In South Korea, the vast majority of waste disposal and sorting companies in Seoul, Incheon and Gyeonggi provinces announced that they would no longer recycle PET plastic bottles and white polystyrene lunch boxes on the grounds that they were unprofitable, causing garbage accumulation and conflicts between community property owners and residents.  According to South Korean President Moon Jae-in, China announced in July last year that it would completely stop importing waste from January this year, but South Korean authorities were not prepared for this.   The more high-income countries, the more waste they produce.  According to the World Bank, high-income countries account for only 16 percent of the world's population but produce 34 percent of the world's waste.  Low-income countries, which account for 9 per cent of the world's population, produce only 5 per cent of the world's waste.  Of the waste generated in low-income countries, 56% is food scraps and the like.  In high-income countries, up to 51 percent of waste -- plastics, paper, cardboard, metal, glass -- is recyclable.   The earth belongs to all mankind. Everyone in every country should take the responsibility to protect the living environment of mankind.  Developing countries are not the "dumping ground" of developed countries. It is better to blame other countries than to start from their own waste reduction.  
  • 05-19
    2021

    Why plastic scrap demand outstrips supply in Malaysia?

    As one of the major plastic manufacturers in Southeast Asia, nearly half of Malaysia's output is exported to the European Union, Asia, the Middle East and other countries around the world.  The total output value reached RMB 2.4 billion  In the first half of 2018, Malaysia's plastics industry generated a total output value of Rm1.465 billion (2.427 billion yuan) and exports of Rm760 million (1.17 billion yuan), accounting for about 48% of total production.  The main export products are primary plastics, plastic containers, plastic plates, film, plastic sheets, plastic foils, plastic strips and other plastic products, so Malaysia also has a high demand for plastic scrap.  It is understood that the price of a ton of waste plastic imported from abroad is only one third of the price of imported plastic raw materials, and the processing cost is only one half of the raw materials used.  "There are two sides to any business activity. For Malaysia's plastics industry, the supply of plastic waste cannot meet the demand," Cheah See Joon, deputy chairman of the Plastic Manufacturers Association of Malaysia, told Financial Times.  A medium-sized plastic processing plant can digest more than 20,000 tons of plastic waste every year, and we currently have more than 100 plastic waste processing plants in the country."  "Malaysia's plastic products are among the best in the world because we strictly follow international standards," he added.  We also import plastic pellets from other countries to meet the huge market demand, but from a cost saving point of view, a total ban on the import of waste plastics would have a negative impact on plastic processing companies."  But imports of waste plastics is Malaysia's environment caused great pollution, especially in the process of waste plastics recycling the water that is used in the cleaning of the environmental impact is very big, the Malaysian government in recent years also vigorously regulation and restrictions on imported waste plastics and plastic processing market, strictly control the import of issuing waste plastics approval permit.  In fact, Malaysia does not completely ban the import of waste plastic waste, but prohibits mixed waste plastic, because even if they are processed into plastic particles, the quality is very poor, and the foreign waste that cannot be treated can only go to landfill, which has a great impact on the environment.  Many plastic waste processing plants in Malaysia are equipped with sewage treatment equipment. The filtered sewage is not only non-toxic, but also can be used to raise fish, which not only shoulder social responsibilities but also ensure the economic benefits of the enterprise.  
  • 05-19
    2021

    Proposals on further rectification and regulation of the waste recycling industry

    With the acceleration of the pace of urban construction, the city is changing with each passing day. At the same time, the reusable goods produced in people's life increase sharply, which puts forward higher requirements to the city waste recycling industry.  According to incomplete statistics, at present the city has more than 60 junkyard, each collection has a transit point to a dozen different Numbers, throughout the streets of dalian, Shahekou District is one of the largest local waste collection spot distribution density, is only 2 km from the west mountain reservoir to Ma Lanzi, there are more than 40 waste acquisition of transshipment point,  In the place with the largest density of waste acquisition in Dalian, there will be a transfer point every ten meters on average, and there will be a transfer point in less than one kilometer in the place with the smallest density.  Undeniably, the waste recycling industry has made contributions to the urban development of our city, but due to the lack of effective industry management and supervision mechanism, this industry is still in its infancy and exploration stage, no industrial chain has been formed, and some aspects even have hidden dangers and affect the normal life of citizens.  Specific problems exist in the following aspects:  1, the quality of employees is uneven, mixed.  At present, a large part of the waste recycling personnel in the city's transit points are migrant workers from remote and poor areas. It is difficult to thoroughly investigate the identity of people from all parts of the country, among which there are many illegal criminals with previous convictions, which has hidden dangers in social security.   2, waste recycling stations (points) become a new source of urban pollution.  Most waste recycling stations lack environmental awareness. They reorganize the acquired waste products and knock them in the process of disassembly to create noise pollution. They burn electric wires and cables and disassemble home appliances such as refrigerators and air conditioners to create air pollution.  3. Irreasonable points have seriously interfered with the normal life of surrounding residents.  There are many waste collection stations in residential areas, or even downstairs.  The acquisition stations piled up the purchased waste materials at will, without paying attention to environmental hygiene. Sewage flowed everywhere in summer and waste flew everywhere in winter, causing difficult roads and bad smell, which seriously affected the normal life and work of the surrounding citizens.   4. Scattering stations make it difficult to centralize management, which becomes a hidden danger to social security and fire safety.  The decentralized operation of waste recycling stations makes it difficult for relevant departments to centralize management.  Waste recycling stations (points) are mostly set in residential areas, and the collected wastes are mostly flammable items, which are stacked and stored in the gate for a long time. At the same time, and the employees are basically living and eating in the gate, so there are great fire safety risks.  At the same time, practitioners of weak legal awareness, illegal acquisition of railway, power supply, communications, urban public facilities and other special equipment, some are stolen stolen goods, so that the waste recycling station into the channel of stolen goods, the formation of a serious social security hidden danger.   5. The waste transport vehicles jam the traffic, and the goods are leaked and overloaded, resulting in traffic safety risks.  Most of the waste recycling stations occupy limited space, and only when the waste is stored in a certain amount can they be arranged for outward transport. Because the vehicles for the transport of waste are generally large vehicles, the loading and unloading of waste occupy most of the road, which seriously affects the normal traffic of vehicles.  For example, a waste recycling station in front of No. 7 of Dalian Locomotive & Rolling stock Company on Xiguan Street, when loading waste, transport vehicles almost occupy half of the road, causing a serious traffic jam of more than 200 meters from Xiguan Street to the intersection of Xishan Street and Xi 'an South Road.  At the same time, the transportation of waste vehicles over the limit, loading and binding is not fast, items fall off, hanging collision overhead wires and other problems are easy to occur, buried a hidden danger for traffic accidents.  
  • 04-24
    2021

    Reflect the value of material recovery

    Application value: each one ton of scrap iron and steel can be recycled to make 850 kilograms of steel, which can save 20 tons of iron ore and 1.2 tons of standard coal compared to using iron ore to make steel.Recycling application of 1 ton of waste paper can be recycled 800 kg of good paper, can save 17 trees, less soda use 240 kg, reduce the purification emissions of papermaking 75%, saving papermaking power consumption of 40%-50%.The value of plastic waste: More than 700 litres of unleaded petrol and diesel can be consumed from one tonne of plastic waste by recycling it into petrol and diesel.Related article: Talking about plastic bottle recyclingThe value of the waste aluminum can be easily pulled: after the waste can be dissolved, it can be recycled 100% to form a new can, and it can also be made into automobile, airplane parts or furniture.Value of waste glass: 20 thousand 500 gram bottles can be consumed after 1 ton of waste glass is returned to furnace.Spending 20% less than using new raw materials.Recycling 1 ton of waste glass can be thrifty quartz sand 720 kg, less soda ash 250 kg, thrifty feldspar powder 60 kg, thrifty coal 10 tons, 400 degrees of electricity.
  • 04-24
    2021

    Prospects of material recovery

    I. Reuse of livelihood wasteWe produce a lot of livelihood waste every day. If we carry out a simple landfill disposal, the cost of one ton of waste will be 200 to 300 yuan, and it will occupy a lot of land, and it can form land pollution.Livestock waste, such as plastic bottles, cans, old newspapers, glass bottles sold to waste companies, Wuhan waste recovery company and then separated to plastic, metal, paper processing plant, glass factory processing production, can become material from scratch production of various products, in addition to reduce the amount of waste, but also to save material and power.According to the leakage of Qingdao Laoshan Glass Company, after continuous improvement of the use skills of used glass, the utilization rate of the company's recovery of waste glass has risen from 30% at the beginning to 40%, 60% and even 80%.Together, the company can save 4,200 tons of soda soda, 2,108 tons of coal, and 380,000 kilowatt-hours of electricity every year, killing two birds with one stone and saving money.Second, electronic waste is profitableMany valuable metals, such as gold, platinum and indium, can be extracted by discarding electrical appliances.Needless to say, the price of indium, the metal's vitamin, has risen from $70 a kilogram to $1,200.If the waste battery in the old mobile phone is recovered, the accumulation of 1 ton will be able to extract 200 grams of gold, you know, generally gold ore can only extract 2 grams of gold per ton.Currently, e-waste disposal companies in the United States have annual profits of $25 million to $30 million (according to some estimates, an ounce of gold mined costs $300 and an ounce of gold recovered costs only $10).Yongkang, known as the "Hardware Capital" of China, is the largest scrap metal recovery base in China. There are more than 200 scrap metal processing and training companies. The annual turnover of scrap metal reaches 6 to 7 billion yuan, and the production of aluminum alloy is about 250,000 tons.Three, the rich "turn around"The most common and annoying kitchen waste in the home -- leftovers, peels and vegetable leaves -- can be composted "in situ", producing 0.3 tonnes of organic fertilisers per tonne.Much of the combustible waste can be used instead of coal to fuel fires, generate electricity and "heat".France recovers more than 40 million tons of waste each year.20% of the waste, mostly metal, glass and paper, has been recycled.13.5% for compost;29% complete power recovery, that is, for power generation or heat;1.5% for brief combustion;Other wastes are disposed of by harmless storage and landfill.This provides France with 3,700 GWh of electricity and 7,300 GWh of heat, as well as 1.8 million tons of organic fertilizer.Japan currently has a number of waste power plants, and countries such as Denmark and Switzerland burn 80% of their livelihood waste.
  • 04-24
    2021

    Japan is to recycle mobile phones to make its 2020 Olympic MEDALS

    The Tokyo Olympic organizing committee said it will recycle mobile phones and other small electronic devices to extract precious metals and use them to make "environmental MEDALS," the BBC reported.The 2020 organizing committee decided on the above measures on Tuesday, the report said, adding that the slim measures will be announced later.The "2020 Gold Rush" project was launched by Aichi Prefecture's Shigakuikan University, Aichi Prefecture's Ophu City and Renet Recycler.Hideto Okumura, mayor of Ophthalu, has called for MEDALS to be made from recycled metal to show the world Japan's recycling technology and environmental efforts, the Asahi Shimbun newspaper reported.Japan is said to waste 650,000 tonnes of mobile phones and other small electronic devices each year, and it is believed that 280,000 tonnes of usable metals such as gold, silver, copper and steel could be extracted from the waste, known as "urban mines".At a press conference in late October this year, promoters of the project unveiled the prototype of a six-centimeter-diameter bronze medal, made of silver and covered in gold.The MEDALS are made from precious metals extracted from salvaged computer equipment, with a total of six grams of recycled gold.
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