Garbage classification? Photovoltaic modules can also be!

Solar photovoltaic net news: recently, Shanghai mandatory garbage sorting policy has attracted widespread attention, people poking fun at a don't know how to distinguish between the garbage. Someone may be abrupt fantasy: if we have a piece of photovoltaic panels to throw into the trash can, what it should be a waste? The garbage? Recyclable garbage?

of course, in the domestic photovoltaic components have not developed to the folks who have to throw, but in foreign countries, because of the development of photovoltaic (pv) earlier, are earlier than China ushered in the scrapping of the component.

disposal method of photovoltaic modules in either buried or burned crush buried, will cause secondary pollution to environment, and there will be energy consumption and pollutant emissions. Therefore, only maximize to recycle and reuse in order to make good use of which is still high purity crystalline silicon material, can reduce pollution of realizing the maximization of its commercial value.

in Europe, governments have set about from the aspect of standards and regulations issued compulsory recycling of photovoltaic modules. 201 2 years the latest revision of the regulations on the administration of the eu waste electrical and electronic products ( 浪费电和指令

电子设备,WEEE) Take the lead in solar photovoltaic modules should be brought into the scope of control. 9 years ago, according to the revised 201 recovery needs more than 85% of electronic products, including material recycling rate will reach 80% in

in Japan, in April 2000, the Japanese association for solar power ( JPEA) Set up the solar battery recycling implementation team. Group actively solar cells use post-processing method of investigation and a topic for research. In 2004, the Japanese national issue concerning the solar battery items will waste handling legal matters '.

in Germany, Italy and other countries in some cities there is a significantly different from ordinary trash recycling bins black, the role of pv modules is used for recycling waste. An organization called PV CYCLE staff, according to the user application, gather around the damaged components, packing to special collection points. Accumulated to a certain number after put the box trucks with unified sent to the central treatment plant.

PV CYCLE is a non-profit association founded in 2007, designed to support the European PV manufacturers, suppliers, installer and importers in a simple and cost-effective way to waste material disposal of compulsory duty. Similar and CERES CYCLE, he is a non-profit organization founded in 2011, the headquarters is located in Paris. CERES CYCLE pioneered innovative solutions of photovoltaic modules, to end users do not charge any fee. Waste photovoltaic modules can be discarded in registered collection points, and by reusing partner for processing.

due to the use of pure manual and with the aid of tools can't achieve the goal of the solar panels and dismantling, so many scholars dismantling method has carried on the exploration of solar cells. Dismantling technology is the core of how to effectively destroy the EVA/PVB film. The common method to dismantling can be divided into two categories, using organic solvents to dissolve EVA/PVB film or using high temperature pyrolysis in the EVA/PVB film, namely, wet and dismantling method or dry and dismantling method.

typical crystalline silicon solar panels by 65 - Glass, 10-75% 15% of the aluminum alloy frame, plastic and 3-10% 5% of the silicon. Centralized processing factory work is to split the material, sorting, processing, and recycling, the advanced treatment plant on the material of the recovery can reach 95%.

according to related survey shows that only in China, in 2020 abandoned photovoltaic modules will reach 20 million tons, is 2000 times the weight of the Eiffel Tower. And the crystalline silicon photovoltaic modules have been abandoned after 2020 will begin to increase significantly, in a good situation, operation and maintenance to the total amount of waste will reach nearly 2034 60 gigawatts (GW); In operation and maintenance in general cases, is expected to total scrap amount to more than 70 GW in 2034. Interface, scrap processing photovoltaic modules will be a very real problem. In addition, the component manufacturer production level is uneven, on the market at present, according to estimates, about 10% of the component has been put into use will be its nominal before the arrival of the service life of the scrap.

such a large number of photovoltaic modules if you can't get good treatment, let it become a waste, really will bring huge burden on society and environment. Visible in the near future, photovoltaic components & other; Garbage sorting recycling & throughout; Will be promising.

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