Recycling of degradable plastic bags

1.產(chǎn)量太少，目前缺乏系統(tǒng)的大規(guī)模回收處理手段。舉個(gè)簡單的例子，在上海進(jìn)行垃圾分類的時(shí)候，很多人在扔垃圾的時(shí)候，會(huì)苦惱要把食物殘?jiān)鼜睦锒冻鰜?，很容易弄臟手。于是生物降解性濕垃圾袋開始著火，人們希望生物降解性垃圾袋和濕垃圾一起扔進(jìn)濕垃圾桶。但是垃圾處理部迅速發(fā)聲說，“可分解垃圾袋”大部分可以分解，但有不可分解，甚有毒有害成分，會(huì)影響濕垃圾的處理。另外，這種垃圾袋的分解速度比廚房剩下的垃圾慢得多，不能同時(shí)處理，只能作為干垃圾焚燒處理。生物降解塑料可以生物降解，但這并不意味著打破回收處理的困難，分解為阻礙。

1. The output is too small, and there is a lack of systematic large-scale recovery and treatment means at present. For a simple example, when sorting garbage in Shanghai, many people will be distressed to shake food residues out of garbage bags when throwing garbage, which is easy to get their hands dirty. Therefore, biodegradable wet garbage bags began to catch fire, and people hoped that biodegradable garbage bags and wet garbage would be thrown into the wet garbage can together. However, the waste disposal department quickly said that most of the "decomposable garbage bags" can be decomposed, but there are non decomposable, even toxic and harmful components, which will affect the treatment of wet garbage. In addition, the decomposition speed of this garbage bag is much slower than the garbage left in the kitchen. It cannot be treated at the same time and can only be incinerated as dry garbage. Biodegradable plastics can be biodegradable, but this does not mean that the difficulty of recycling is broken down into obstacles.

2.生物降解塑料不能有效回收，進(jìn)入垃圾填埋場后，在無氧環(huán)境中分解大量溫室氣體3354甲烷。

2. Biodegradable plastics cannot be effectively recycled. After entering the landfill, they decompose a large amount of greenhouse gas 3354 methane in an oxygen free environment.

3.生物降解塑料不能有效回收，進(jìn)入海洋環(huán)境后海洋溫度低，缺乏足夠的微生物和氧氣，生物降解的效率大大降低。由于不能及時(shí)分解，這些可分解塑料在還未分解之前很有可能對(duì)海洋生物造成危害。

3. Biodegradable plastics cannot be effectively recycled. After entering the marine environment, the ocean temperature is low, and there is a lack of sufficient microorganisms and oxygen, which greatly reduces the efficiency of biodegradation. Due to the failure to decompose in time, these biodegradable plastics are likely to cause harm to marine organisms before decomposition.

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