EFCT: Environmental Footprint Comparison Tool.  A tool for understanding environmental decisions related to the forest products industry.  Non-Wood Fiber. headerlink
Effects of non-wood fiber use on discharge to water

Non-wood fiber wastewater streams are equally responsive to wastewater treatment technologies commonly employed for managing conventional pollutants at wood fiber-based pulp and paper facilities. That said, the lower lignin content and differences in cell structure of non-wood fiber generally contribute to less intense mechanical or chemical processes required to pulp and bleach non-wood fibers. This leads to lower discharges of substances contributing to chemical oxygen demand (COD) in wastewater.

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More information:

Non-point source pollution

Manufacturing wastewaters