Molten Salt Circulation System for Acrylic Acid Reactors

An integrated pump and heat exchanger system circulating molten nitrate salts to cool acrylic acid synthesis reactors, ensuring uniform temperature profiles. Falls under HTS 8419.89.60.00 as part of the cooling apparatus for these specific reactors. Critical for operational safety and efficiency in chemical plants.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8413.70.20.40Same rate: 35%

If imported as standalone centrifugal pumps

Pumps for liquids, even for molten salts, classify under heading 8413 if not reactor-integrated.

8419.89.95.85Higher: 39.2% vs 35%

If for cooling reactors in general petrochemical applications

Non-acrylic-acid-specific cooling equipment uses residual provisions.

8419.89.10.00Same rate: 35%

If laboratory benchtop version for R&D

Lab-scale dryers, evaporators, or coolers have distinct classifications.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Document salt composition and corrosion resistance; hazardous material declarations required for molten salt components

Ensure system is not classified separately as pumps

Related Products under HTS 8419.89.60.00

Molten-Salt-Cooled Acrylic Acid Fixed-Bed Reactor

This industrial reactor facilitates the catalytic oxidation of propylene to acrylic acid using a molten salt cooling system to manage the highly exothermic reaction and maintain optimal temperatures. It falls under HTS 8419.89.60.00 as specialized machinery for chemical processing involving temperature change via cooling in acrylic acid production. The design ensures efficient heat transfer for high-purity output.

Fluidized-Bed Molten Salt Acrylic Acid Reactor

A fluidized-bed reactor cooled by circulating molten salts, optimized for partial oxidation of propene to acrylic acid with superior gas-solid contact and heat dissipation. Classified in HTS 8419.89.60.00 due to its role in temperature-managed chemical synthesis specific to acrylic acid manufacturing. It enhances yield and purity in large-scale petrochemical operations.

Tubular Molten-Salt-Cooled Acrylic Acid Oxidation Reactor

This tubular reactor employs molten salt in external jackets to cool the catalyst tubes during the vapor-phase oxidation of propylene to acrylic acid, preventing hotspots. It is specifically covered by HTS 8419.89.60.00 for its cooling mechanism in acrylic acid processes involving temperature control. Ideal for high-volume production with precise thermal management.

High-Pressure Molten-Salt Acrylic Acid Multi-Tube Reactor

Multi-tube reactor designed for high-pressure acrylic acid production, cooled via molten salt flow to handle reaction exotherms effectively. Precisely matches HTS 8419.89.60.00 for molten-salt-cooled equipment dedicated to acrylic acid processes with temperature regulation. Used in modern petrochemical facilities for superior performance.