mixed plastics containing polyolefin(s) and polystyrene, into oil. SOLUTION: Plastics are catalytically pyrolyzed to obtain an oily product in the presence of a silica-alumina catalyst which is prepared by metallic ion treatment of a silica-alumina catalyst having the following characteristics: degree...
Plastic is so cheap and easy to make, our use of it has grown at a phenomenal rate, and this has unintended consequences. It’s been found in the guts of creatures living deep in the ocean and even in human placentas....
Alongside Middle Eastern oil giants like Qatar, Saudi Arabia and the UAE, the United States is a leading producer and exporter of plastic feedstocks and polymers. Asia in general, and China specifically, are the largest importers of these plastic building blocks. But Enck doubts consumers actual...
More and more plastic waste is polluting the world's city, countryside and ocean. What problems will it cause? What measures should be taken to solve these problems? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at least 250 words...
They include potato, corn, vegetable oil and banana. He made the material into liquid and used the liquid to make the bag. Although the EnviGreen bag is more expensive than a common plastic bag, but it has many advantages. According to the Wall Street Journal, it takes 1, 000 years for...
In a single year, manufacturers around the world create around 600 billion plastic bottles. Most of those bottles are a type of plastic called polyethylene terepthalate, or PET, which is produced from crude oil. Almost 90 percent of bottled-water bottles end up in the trash or on the grou...
“Hi, my name is [NAME] and I love your [NAME OF PRODUCT]. However, I will no longer buy it due to its unnecessary and excessive plastic packaging. As you know, plastic is made of fossil fuels, contributes to the climate crisis and pollutes our natural environment. Please change your ...
I don't understand how something made of dead shellfish can be called vegan. So how can vegan leather be plastic? ( question arising from other thread...
It looks and feels just like plastic, but can breakdown(分解)quickly. Ashwath Hedge, Who set up the EnviGreen company, spent four years doing experiments(实验) 4 he finally made his super bags. He 5 12 materials like potatoes, corn, vegetable, oil and bananas. He made the materials into...
the fall once the stalks and leaves turn brown and the kernels harden on the cob; it is primarily used for feeding livestock (cattle, hogs and chickens) and making fuel ethanol. The remainder is processed into products such as starch, sweeteners, corn oil ...