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Tampilkan postingan dengan label corn plastic. Tampilkan semua postingan
Tampilkan postingan dengan label corn plastic. Tampilkan semua postingan

Selasa, 13 Januari 2009

Biodegradasi

Biodegradasi adalah proses dimana bahan organik yang dirobohkan oleh enzim dihasilkan oleh organisme hidup. Istilah yang sering digunakan dalam kaitannya dengan ekologi, pengelolaan sampah dan lingkungan proses pengobatabn (bioremediation). Bahan organik dapat direndahkan dengan cara memberikan udara, dengan oksigen, atau tidak dengan udara, tanpa oksigen. Sebuah istilah yang terkait dengan biodegradasi adalah biomineralisasi, yang dalam hal ini organik diubah menjadi mineral. Biosurfactant, sebuah sel luar yang tersembunyi oleh mahluk yg kecil dapat meningkatkan proses biodegradasi.

Pembentukan Biodegradasi umumnya adalah masalah bahan organik seperti tanaman dan binatang dan hal lainnya yang berasal dari zat hidup organisme, atau bahan buatan yang serupa cukup untuk tanaman dan hewan hal untuk diletakkan untuk digunakan oleh mikroorganisme. Beberapa mikroorganisme memiliki mengherankan, terjadi secara alami, Microbial catabolic keanekaragaman untuk menurunkan, transform atau menumpuk banyak berbagai komposisi termasuk hidrokarbon (misalnya minyak), polychlorinated biphenyls (PCBs), polyaromatic hidrokarbon (PAHs), bahan farmasi, radionuclides dan logam. Utama dalam metodologi pemecahan Mikroba biodegradasi telah mengaktifkan rinci genomic, metagenomic, proteomic, dan lainnya bioinformatic tinggi throughput analisis lingkungan yang belum pernah terjadi sebelumnya relevan microorganisme memberikan wawasan ke dalam jalur utama biodegradative dan kemampuan mikroorganisme untuk beradaptasi dengan perubahan kondisi lingkungan.

Plastik

Pembentukan Biodegradasi plastik. Ada bahan-bahan plastik lainnya yang mengklaim kemampuan biodegradasi, tetapi lebih sering (dan mungkin lebih akurat) digambarkan sebagai 'pembentukan degradasi' atau oxi-degradable; Ia menyatakan bahwa proses ini menyebabkan kerusakan lebih cepat dari bahan plastik menjadi CO2 dan H2O.

 Baju bisa dibuat dengan daur ulang juga, tapi harus aman apalagi untuk anak-anak. hehe

Corn Plastic



Is it corn or is it plastic? It's both. Lend an "ear" for a minute and I'll give you the skinny on corn plastic.

What is Corn Plastic?

Corn plastic is a plastic that is created and manufactured from ears of corn, which at the end of the day, is able to breakdown into harmless natural compounds. (aka: it's biodegradable)

How does corn become plastic?

Corn kernels are delivered and milled, dextrose is extracted from starch. Huge fermenters convert the dextrose into lactic acid, a simple organic chemical that is a by-product of fermentation (or respiration, in the case of the lactic acid that builds up in muscle tissue after intense activity). The compound is converted to lactide, and lactide molecules are linked into long chains or polymers: polylactic acid, PLA. via: Corn Plastic To the Rescue

Why is corn plastic good for the environment?

It breaks down into substances that are non-toxic to the environment. Also, production of corn plastic uses 65% less energy than regular plastic and generates 68% fewer green house gases.

If I get a corn plastic product, can I eat it?

While we know some people have a habit of chewing on pen caps, corn plastic is NOT edible. So you can chew on your pen caps, but don't think you're getting a healthy snack.

I've heard you can use corn as fuel. Is this for real?

It's true. 1 bushel of corn has as many BTU's as 5 therms of natural gas, 5 gallons of LP, 3.2 gallons of fuel oil, or 131 kilowatt hours of electricity.

So I'm liking corn plastic, what options does my company have to get on board with it?

Motivators offers a large selection of corn plastic promotional products. Corn plastic pens are very popular, and with winter just around the "corn"er, the corn plastic ice scraper has become a big hit. In addition to being eco-friendly promotional products, our selection of corn plastic products is very easy on the wallet, ranging in price from about fifty cents to about five dollars.


source by: www.gogreen.motivators.com