生物降解颗粒：“全生物降解塑料”与“可降解塑料”的区别

　“全生物降解塑料”与“可降解塑料”的区别

The difference between "fully biodegradable plastics" and "degradable plastics"

　　近年来，环境保护已成为全球关注的主题，我国也出台了一系列诸如“限塑令”的政策，既有政策扶持又有技术发展，降解塑料制品在当今社会被大量使用。降解塑料被分为“可降解”和“全降解”两类。下面我们将区分“可降解”和“全降解”塑料。

In recent years, environmental protection has become a global concern, and China has also introduced a series of policies such as "plastic restriction orders", which provide both policy support and technological development. Degradable plastic products are widely used in today's society. Degradable plastics are divided into two categories: "degradable" and "fully degradable". Below, we will distinguish between "degradable" and "fully degradable" plastics.

　　什么是“可降解”塑料：

What is "biodegradable" plastic:

　　“可降解”塑料是在聚乙烯中加入一定量的生物材料（如玉米淀粉、甘油及其他生产助剂），使得塑料袋稳定性下降，较容易在自然环境或符合一定的条件下的环境中碎化。

"Degradable" plastic refers to the addition of a certain amount of biomaterials (such as corn starch, glycerol, and other production additives) to polyethylene, which reduces the stability of plastic bags and makes them easier to break in natural environments or environments that meet certain conditions.

　　什么是“全生物降解”塑料：

What is "fully biodegradable" plastic:

　　在自然条件下，受温度、水、光和氧气等因素的影响，不同于生物破坏性塑料，全生物降解塑料不含生物无法降解的成分，因此可以被微生物完全分解而没有残留，这就就是全生物降解塑料。

Under natural conditions, influenced by factors such as temperature, water, light, and oxygen, unlike biodegradable plastics, fully biodegradable plastics do not contain components that cannot be biodegraded. Therefore, they can be completely decomposed by microorganisms without residue, which is called fully biodegradable plastics.

　　“全生物降解塑料”与“可降解塑料”两者有什么区别：

What is the difference between "fully biodegradable plastics" and "biodegradable plastics"

　　可降解塑料里面添加了一定量的可降解的生物材料，但是里面原有的不可降解塑料成分依然不可降解，产生的微塑料颗粒对日后环境，尤其是水体和土质影响是非可视化的，且影响深远。而全生物降解塑料在自然界，如土壤、沙土等条件下，或特定条件如堆肥条件下或厌氧消化条件下或水性培养液中，由自然界存在的微生物如细菌、霉菌和海藻等作用引起降解，并终完全降解变成二氧化碳、水及其所含元素的矿化无机盐以及新的生物质的塑料，不污染空气和土壤。

A certain amount of biodegradable biomaterials are added to degradable plastics, but the original non degradable plastic components inside are still non degradable. The resulting microplastic particles have a non visual and far-reaching impact on the future environment, especially on water and soil quality. And fully biodegradable plastics are degraded in nature, such as soil, sandy soil, or under specific conditions such as composting, anaerobic digestion, or water-based culture media, by the action of microorganisms such as bacteria, fungi, and seaweed that exist in nature, and ultimately completely degrade into carbon dioxide, water, and the mineralized inorganic salts of the elements it contains, as well as new biomass plastics, without polluting the air and soil.

　　所以“全生物降解塑料”才是真正的环保塑料！

So "fully biodegradable plastics" are truly environmentally friendly plastics!

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