How to make garbage classification easier and more executable? One article to understand →
How to make garbage classification easier, more convenient and executable? It is a problem that many friends care about. In response to these doubts, come and listen to experts' answers.
▌Do you want to break the bag when throwing away food waste?
Many people have questions about whether to throw the food waste into the plastic bags together, or to throw them separately after the bags are broken.
Chang Jiwen, deputy director of the Institute of Resources and Environmental Policy of the Development Research Center of the State Council: There is a fierce debate about whether to break the bag of food waste. For example, in Shanghai and Beijing, bags are required to be broken, which helps managers find out whether the garbage is classified, especially whether the kitchen waste is adequately classified. If the bag is required to be broken, the food waste bin must be contaminated. In summer, it may need to be cleaned every two or three days, because there will be odors, and the residents around the garbage should be unacceptable. In addition, cleaning the water source of the garbage will cause the pollution load of the sewage. If the residents put the kitchen waste directly into the trash can, then it will be collected in the garbage treatment plant, and then the bags will be broken uniformly, which is beneficial to the collection of plastic garbage.
▌Is it necessary to buy biodegradable plastic bags?
There are degradable garbage bags on the market. The price of these bags is higher than that of ordinary garbage. Many citizens will wonder if we need to buy them.
Chang Jiwen, deputy director of the Institute of Resources and Environmental Policy of the Development Research Center of the State Council: Biodegradable plastic bags are the future development trend, and I recommend buying them. In the future there will be more production, and the price will come down. Degradable plastic bags are not meant to be degradable under any conditions. Its degradation is subject to specific conditions. So now there is a management difficulty, degradable plastic bags. If mixed with the plastic bags we generally use, they will all enter the waste incineration power plant. Therefore, with the current management model, it is difficult for biodegradable plastic bags to function.
▌Is the garbage disposer suitable for installation in your home?
Many people now want to install a kitchen waste disposer in their homes. As for the pros and cons, are they suitable for every household?
Chang Jiwen, deputy director of the Institute of Resources and Environmental Policy of the Development Research Center of the State Council: Home-installed kitchen waste disposers have been piloted in some newly-built urban communities. The pros and cons are different. Because this kitchen waste has a particularly high oil content, one problem with the high oil content is that it easily blocks the sewer, which increases the load on the sewer treatment system. Therefore, a major transformation must be carried out to expand the pipeline.
Experts also pointed out that the composition of food waste in China is different from that in Western countries. Garbage disposers are more common in Western countries because their diets contain less oil. In China, cooking is the main ingredient, so kitchen waste has a higher oil content and has recycling value.
Chang Jiwen, Deputy Director of Resources and Environmental Policy Research of the Development Research Center of the State Council: So our more appropriate way now is to speed up the allocation of them in advance. From the source of the family, separate dry and wet garbage according to two trash cans. Conducive to the use of some resources of kitchen waste, including oil resources, including resources that can be converted into fertilizers, this approach is more in line with China's national conditions. (CCTV reporter Jiang Shan)