Weatherly, Nitric Acid Plant, 1000 tpd and 500 tpd, Weak Nitric Acid 65% Concentration

Description

  1. Overview
    1. Unused 1,000 ton/day nitric acid plant (see 500 ton/day nitric acid plant below)
    2. Product: weak nitric acid
    3. Complete documentation available
  2. Major Equipment - 1,000 Ton/Day Plant
    1. Absorber column: 304LSS construction with (37) sieve trays
    2. Air compressor: type AV63-14, axial, 201,100 nm³/hr (dry), 14.3 MW, 5,199 RPM
    3. NOx compressor: type E90-3, centrifugal, 181,000 nm³/hr, 8.6 MW, 5,820 RPM
    4. Expander: type WP15.5-870/380, centrifugal, 161,000 nm³/hr (dry), 5,200 RPM
    5. Steam turbine: type NK40/45/40, condensing, 48.96 ton/hr, 9.1 MW
    6. Ammonia burner
  3. Overview - 500 Ton/Day Plant
    1. Produces 65% concentrated nitric acid
    2. Turn-down capabilities as low as 300 ton/day
    3. Technology: Weatherly medium-pressure
    4. This plant is a net steam exporter with 550, 175, and 60 psig steam being produced on the waste heat boilers and 520 psig steam being consumed by the air compressor steam turbine drive
    5. Complete documentation available
  4. Major Equipment - 500 Ton/Day Plant
    1. Absorber column: 11' dia. x 127', 304LSS construction, (49) sieve trays, operates at 98% efficiency
    2. Air compressor: Ingersoll Rand 2-stage centrifugal, includes 520 psig Terry steam turbine drive assisted by a Dresser-Rand tail gas turbine drive
    3. Converter: 304LSS construction with an Inconel 617 basket, catalyst composition is 90% platinum, 5% rhodium and 5% palladium
    4. Heat train: includes expander gas heater, medium-pressure waste heat boiler, tail gas heater, filter and low-pressure waste heat boiler