Paper is used in almost every aspect of our lives. It is used to make newspapers, books, printed tickets, bills, etc. Thanks to paper, our human history can be preserved in records and passed down from generation to generation. Even with the advent of computers, the paperless society predicted by many people still seems far away, because we consume more paper today than ever before, and even a smartphone is packed in a paper box.
However, with the increasing awareness of environmental protection, people hope to find sustainable methods to produce the paper we need to reduce the burden of modern paper production on forests. Some paper manufacturers have returned to history, using some of the fiber materials that have been used for centuries ago, such as linen, bamboo, and mulberry bark; some use the existing agricultural waste fiber in the local area to make the fiber material that would be discarded have new uses. , Such as corn stalks, straw, etc. What's more, they try to make paper using animal waste, such as the Elephant Poop Papermaking Park in Chiang Mai, Thailand, which opens up new ideas for environmentally friendly papermaking.
Make paper with poop? This sounds a bit disgusting. You may refuse to use such environmentally friendly paper due to psychological barriers, but in fact, the papermaking process has been processed many times, and there is no longer the smell of poop. As you may know, paper is usually made from cellulose extracted from trees. And it turns out that some animals have high levels of cellulose in their feces, such as elephant and goat feces. Animals that produce the feces needed in the papermaking process have at least two things in common: they are herbivores, eating grasses, leaves, and other cellulose-rich foods; in addition, their digestive systems are somewhat inefficient and cannot be completely digested and decomposed Eat all the cellulose. This means that there is a lot of cellulose in their feces, and the content can be as high as 40% (the specific content depends on the animal type), which is easy to extract.
Trees are usually used for paper and must undergo a lot of processing. Animals have processed cellulose in the body, chewed, acid and enzymes, so basically elephants and other animals have done the first few steps for us, and then washed, boiled, dried, etc. to produce Produce more durable paper. This manufacturing method saves money, energy and chemicals, and is more environmentally friendly.
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