“全生物降解塑料”與“可降解塑料”的區(qū)別

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

　　近年來(lái)，環(huán)境保護(hù)已成為全球關(guān)注的主題，我國(guó)也出臺(tái)了一系列諸如“限塑令”的政策，既有政策扶持又有技術(shù)發(fā)展，降解塑料制品在當(dāng)今社會(huì)被大量使用。降解塑料被分為“可降解”和“全降解”兩類。下面我們將區(qū)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、甘油及其他生產(chǎn)助劑），使得塑料袋穩(wěn)定性下降，較容易在自然環(huán)境或符合一定的條件下的環(huán)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:

　　在自然條件下，受溫度、水、光和氧氣等因素的影響，不同于生物破壞性塑料，全生物降解塑料不含生物無(wú)法降解的成分，因此可以被微生物完全分解而沒(méi)有殘留，這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”與“可降解塑料”兩者有什么區(qū)別：

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，產(chǎn)生的微塑料顆粒對(duì)日后環(huán)境，尤其是水體和土質(zhì)影響是非可視化的，且影響深遠(yuǎn)。而全生物降解塑料在自然界，如土壤、沙土等條件下，或特定條件如堆肥條件下或厭氧消化條件下或水性培養(yǎng)液中，由自然界存在的微生物如細(xì)菌、霉菌和海藻等作用引起降解，并終完全降解變成二氧化碳、水及其所含元素的礦化無(wú)機(jī)鹽以及新的生物質(zhì)的塑料，不污染空氣和土壤。

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”才是真正的環(huán)保塑料！

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

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