دسته‌بندی نشده

Making of paper from stone. Production of paper from stone

Stone birth and paper making project: One of the main goals of this project is the non-use of forests and the lack of use of water. Because about a ton of wood is used to make a ton of paper, which causes the destruction of forests. The next problem is the high consumption of water used to make cellulose paper due to excessive pollution. The water in factories should be located next to the river, while mineral paper (paper made of calcium carbonate or the same stone) does not need water. The next problem is It is added to the pulp of cellulose, which is highly toxic, and the waste is introd...
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