Acid Oil from Soybean Oil Neutralization
Acid oil is the soap-stock residue from phosphoric acid neutralization in soybean oil refining. HTS 1522.00.00.00 applies to these vegetable fatty treatment residues. Common feedstock for fatty acids.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If from continuous splitting
Continuous countercurrent processes use 1518; batch neutralization uses 1522.
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Import Tips & Compliance
• FFA percentage declaration critical - above 50% confirms residue status
• Distinguish from crude oil via neutralization process proof
• GMO documentation if US soybean origin
Related Products under HTS 1522.00.00.00
Degras Wool Grease Residue
Degras is a residue obtained from the treatment of wool grease during the scouring process, containing fatty acids and unsaponifiable matter. It falls under HTS 1522.00.00.00 as a residue resulting from the treatment of fatty substances derived from animal waxes. Commonly used in leather dressing and rust prevention.
Soap-Stock from Vegetable Oil Refining
Soap-stock is the residue from alkali refining of vegetable oils like soybean or palm oil, containing soap formed from free fatty acids. Classified under HTS 1522.00.00.00 as residues from treatment of fatty substances. Used in animal feed or further fatty acid recovery.
Stearin Pitch from Palm Oil Fractionation
Stearin pitch is the solid residue from fractionation and cooling of palm oil stearin, consisting of high-melting glycerides. It qualifies for HTS 1522.00.00.00 as a residue from treatment of vegetable fatty substances. Applied in candle making and oleochemical production.
Glycerol Pitch from Biodiesel Production
Glycerol pitch is the crude residue from biodiesel transesterification, containing salts, fatty acids, and glycerin. Falls under HTS 1522.00.00.00 per chapter notes for glycerol pitch from fatty substance treatment. Used in fertilizers or further refining.
Oil Foots from Coconut Oil Bleaching
Oil foots, or bleaching earth residue, result from adsorbing color impurities during coconut oil refining with activated clay. Classified in HTS 1522.00.00.00 as residues from fatty substance treatment. Recovered for fatty acid extraction.
Dregs from Tallow Rendering
Tallow dregs are the watery, proteinaceous residues from high-temperature rendering of beef fat. HTS 1522.00.00.00 covers these as residues from animal fatty substance treatment. Utilized in pet food or biogas production.