Molten-salt-cooled acrylic acid reactors
Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, nonelectric; parts thereof: > Other machinery, plant or equipment: > Other: > Other: > Molten-salt-cooled acrylic acid reactors
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified 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.
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.
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.