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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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