Soap Lyes from Soap Manufacturing
Soap lyes are aqueous waste solutions from the saponification process in soap production, containing 10-20% glycerol dissolved in salty water with residual soaps. Classified under HTS 1520.00.00.00 as glycerol lyes due to their glycerol content and crude state.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing significant soap-stocks or foots
Chapter note excludes soap-stocks and dregs from 1518 but places them in 1522; high soap residue shifts classification.
If lyes are partially neutralized and used directly as soap base
Organic surface-active products in soap form fall under Chapter 34 if presented as such.
If for spent lyes treated as chemical waste
Mixed chemical preparations or wastes not elsewhere specified go to 3824.
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Import Tips & Compliance
• Provide process flow documentation proving lyes originate from soap boiling to distinguish from other industrial effluents
• Test for glycerol concentration and pH; high soap content may trigger reclassification under soap-stock headings
• Ensure waste classification compliance (non-hazardous) with SDS sheets to prevent EPA customs holds
Related Products under HTS 1520.00.00.00
Crude Glycerol from Biodiesel Production
Crude glycerol is a byproduct obtained during the transesterification process in biodiesel manufacturing from vegetable oils or animal fats. It typically contains 80-88% glycerol along with methanol, soaps, and catalyst residues, falling under HTS 1520.00.00.00 as crude glycerol not further refined.
Glycerol Waters from Fatty Acid Distillation
Glycerol waters are dilute aqueous streams from the hydrolysis and distillation of animal or vegetable fats, carrying 5-15% dissolved glycerol and salts. They are imported for glycerol recovery and classified as glycerol waters under HTS 1520.00.00.00.
Crude Glycerin Byproduct from Palm Oil Refining
Crude glycerin generated during palm kernel oil splitting contains around 85% glycerol with impurities like mono/di-glycerides and water. It fits HTS 1520.00.00.00 for crude glycerol from tropical oil processing.
Tallow Glycerol Lyes from Animal Fat Splitting
Glycerol lyes from beef tallow hydrolysis contain dissolved glycerol in alkaline spent liquor from fat splitting operations. Imported by renderers for recovery, classified under HTS 1520.00.00.00 as glycerol lyes.
Spent Sweetwater from Oleochemical Production
Spent sweetwater, also known as glycerol waters, arises from glycerine production via fat splitting, holding 8-12% glycerol in dilute form. HTS 1520.00.00.00 covers this crude stream before evaporation.
Crude Glycerol from Soybean Oil Transesterification
Byproduct crude glycerol from soybean oil biodiesel production, containing catalyst and methanol impurities at 82% glycerol content. Falls squarely under HTS 1520.00.00.00 for crude industrial glycerol.