Alkylation Unit Spent Acid Sludge from Mexico
Hydrocarbon-rich sludge from HF alkylation unit acid settler bottoms containing petroleum residues. HTS 2713.90.00.00 covers the organic layer separated from spent sulfuric/HF acid. Recovered for fuel value.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Separate organic layer analysis required; acid phase goes to 2807
• Provide alkylate production records linking to residue generation
• Use HF-resistant materials for all transfer equipment