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Carbon dioxide made plastics On September 27, the pilot of the project passed the acceptance of the expert group headed by the academician of the Chinese Academy of Sciences. At present, an industrialized plant with an annual output of 3,000-5,000 tons of fully degradable plastic has entered the preparation phase.
The idea of ​​converting the CO2 exhaled by each of us into recyclable plastic was first implemented by a Japanese chemist in 1969, but due to the low efficiency and high cost of the catalyst used, it was difficult to use it as a large-scale industrial production. In the following 30 years, the scientific community has not made significant progress in this regard. The breakthrough made by the Guangzhou scientists has caused tremendous shocks at home and abroad.
Reduce the cost of pollution and reduce the plastic can be produced by ordinary technology, after processing can also become our daily disposable cutlery, fresh film, etc., some performance is better than now common plastic. Taking the commonly used degradable lunch boxes on the market as an example, using starch production, the cost of a lunch box is as high as RMB 0.14 to RMB 0.15, which is difficult to promote; and the cost of manufacturing a lunch box using the plastic developed using this technology is only RMB 0.083. The cost is quite low, and it will not cause "white pollution" to the environment.
The carbon dioxide plastics project has now been listed as a key scientific and technological project for Guangzhou, and the Guangzhou municipal government has allocated more than 5.8 million yuan for funding. It is expected that the future market experts believe that the technology can produce industrial waste gas carbon dioxide into biodegradable plastics that are beneficial to the environment, and the plastics produced have a good market prospect and are expected to become common plastic varieties in the future. The successful application of this technology will greatly promote the diversification of China's plastic raw material sources and reduce its dependence on plastics imports.
Use your exhaled gas to make plastic
Guangzhou is expected to take the lead in industrializing the recycling of carbon dioxide in the world. Recently, the reporter learned from the Guangzhou Municipal Science and Technology Bureau that Guangzhou has made major breakthroughs in the application of nanotechnology. The new technology developed by Professor Meng Yuezhong of the Guangzhou Institute of Chemistry, Chinese Academy of Sciences, has completed a 30-ton/year pilot test for the new technology of “carbon dioxide for fully degradable plasticsâ€. , and the use of nano-technology to efficiently catalyze carbon dioxide, successfully solved the high cost of the problem.