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The Problem with the Viscose Rayon Process
b) In this process, cellulose material (such as bamboo) is dissolved in a strong solvent to make a thick, viscous solution that is forced through a spinneret into a quenching solution where strands solidify into fiber.
a) The solvent used for this process is carbon disulfide, a toxic chemical that is a known human reproductive hazard. It can endanger factory workers and pollute the environment via air emissions and wastewater.
c) This is sometimes called hydrolysis alkalization or solution spinning because the fiber is “spun” in a chemical solution.
d) There is more than one way to make rayon. The most common way – and the one widely used for bamboo – is called the viscose process.