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Introduction Start Up: 1986 Shut Down: June 2003 Capacity: 700 Metric Tons Per Day 100% Base, 60% Concentration Technology: DM Weatherly NOx Content: < 200 PPM Raw Materials: Atmospheric Air Ammonia Documentation: Complete and Available

Detailed Report Overview This Nitric Acid plant was designed and built by D. M. Weatherly in 1986 with a name plate capacity of 700 MTPD, 100% base and a product concentration of 60%. The plant has an Ingersoll compressor, dual cases, low case and high case with an Ingersoll recovery expander turbine. The compressor is driven by a steam turbine with total condensation. Total steam turbine power is 5. 1 MW. The waste heat boiler produces 600 psig (40 bars), saturated steam and the steam turbine is using the same steam with relatively the same conditions. The plant has only one absorption column as per original design to use regular cooling water in the bottom portion of the column and refrigerated water in the top section to have a tail gas NOx content of less than 200 PPM. There a large number of spare parts with the plant, including spare rotors for the complete compressor train.

Detailed Report Unit Consumption Platinum Charge 771 Troy ounce Ammonia Consumption 0. 29 ton/ton product Plant Produces 600 psig Saturated Steam 76, 000 Lbs/hr. Needs boiler Feed Water 76, 716 Lbs/hr. /153 gpm Required Cooling Water 13, 764 pgm (circulation) Chilled Water @ 42 F in / 52 F out Unit Required 600 psig Steam for Start-Up @ 30, 000 Lbs. (only for start-up)

Major Components Equipment ITEM 101 102 A&B 102 C 102 D 102 E 102 F 102 H 103 A&B 103 C 104 105 A&B 106 107 A 107 B 107 C 107 D 108 A 108 B 109 110 DESCRIPTION Inlet Air Filter Air Compressor and Expander Steam Turbine Lube Oil System Steam Separator Discharge Silencer Lube Oil Accumulator Heated Water Circulation Pumps Water Heater Surface Condenser Condensate Pumps Discharge Air Filter Ammonia Vaporizer Ammonia Scrubber Ammonia Reflux Condenser Ammonia Blowdown Boiler Ammonia Magnetic Filter Ammonia Superheater Air Heater

Major Components Equipment 102 C 111

Major Components Equipment ITEM 111 112 A 112 B 112 C 112 D 113 114 A 114 B 114 C 114 D 114 E 115 A 115 B 115 C 115 D 116 117 A 117 B 118 119 DESCRIPTION Ammonia / Air Mixer & Cone Converter Elbow & Basket Converter Steam Accumulator Converter Catalyst Sample Cooler No. 4 Tail Gas heater Waste Heat Boiler Steam Accumulator Steam Blowdown Drum Blowdown Sample Cooler Steam Vent Silencer No. 3 Tail Gas Heater Oxidation Spool Platinum Filter Shell Platinum Filter Element Cooler Condenser Low Pressure Waste Heat Exchanger Blowdown Sample Cooler Absorber Mist Separator

Major Components Equipment 115 A 114 A

Major Components Equipment ITEM 120 A 120 B 121 122 123 A 126 A&B 130 A&B 131 136 A, B&C 138 139 A, B&C 141 A 141 B 143 144 A&B 145 A&B DESCRIPTION No. 1 Tail Gas Heater No. 2 Tail Gas Heater Exhaust Stack Economizer Packaged Chilling System Liquid Ammonia Filters Weak Acid Pumps Bleach Air Cooler Interchanger & Coolant Circulation Pumps Condensate Tank Condensate Return Pumps Sump Tank Sump Pump Building Crane Nitric Acid Storage Tanks Nitric Acid Pumps

Major Components Equipment 115 B

Major Components Spare Parts All spare parts including but not limited to the following: ITEM No Number 102 A 1 102 B 102 C 100 114 A-2 114 A-3 DESCRIPTION Instr. Air Tank NOx Analyzer Compressor 1 st Stage Rotor Compressor 2 nd Stage Rotor Expander Rotor Turbine Rotor, Seals & Bearings Compressor House Complete spare waste heat boiler in warehouse Set of used spare tubes for waste heat boiler in warehouse

Major Components Spare Parts Azotara Acid Unit Spare Steam Turbine Rotor Azotara Acid Unit Spare Rotor

Contact Information MICHAEL JOACHIM VP GLOBAL PLANT SALES Tele: 609 -838 -5930 (direct) Mobile: 609 -516 -9107 Michael. J@ippe. com