Packed Tower Absorber for Ammonia Plant from Japan
A packed tower absorber removes unreacted ammonia from syngas streams in fertilizer production using circulating phosphate solution. Fits HTS 8421.39.0130 as other industrial gas cleaning apparatus. Random packing maximizes gas-liquid contact.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Document HETP values and packing factor for absorption efficiency
• Include corrosion allowance for ammonia/phosphate service
• Specify turndown ratio for variable plant load operation