Enzymatic Bioscouring Reduces BOD by 30–50 Percent and Lowers Water Use by Up to 40 Percent Compared to NaOH Scouring

A recent analysis comparing enzymatic bioscouring to conventional sodium hydroxide (NaOH) scouring has highlighted significant differences in environmental impact, water usage, and fabric tensile strength preservation. The findings indicate that enzymatic bioscouring offers notable advantages in terms of reduced biological oxygen demand (BOD) load, lower water consumption, and minimized damage to fabric integrity during textile processing.

The study reports that effluent from enzymatic bioscouring exhibits a 30–50% reduction in BOD levels compared to waste generated by NaOH scouring. This is attributed to the near-neutral pH and significantly lower organic load associated with enzymatic processes. Additionally, the research shows that fabrics treated with enzymatic bioscouring experience less than 3% loss in tensile strength, whereas NaOH scouring results in a higher range of tensile strength loss—between 5% and 15%. Water savings are another key finding; enzymatic bioscouring eliminates the need for caustic rinse cycles, reducing water consumption per processing cycle by an estimated 25–40%. These data points underscore measurable differences between the two methods across multiple operational parameters.

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Source: GO-AI-ne1

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Date: April 6, 2026

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GOAI