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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 are 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 ITEMDESCRIPTION 101Inlet Air Filter 102 A&BAir Compressor and Expander 102 CSteam Turbine 102 DLube Oil System 102 ESteam Separator 102 FDischarge Silencer 102 HLube Oil Accumulator 103 A&BHeated Water Circulation Pumps 103 CWater Heater 104Surface Condenser 105 A&BCondensate Pumps 106Discharge Air Filter 107 AAmmonia Vaporizer 107 BAmmonia Scrubber 107 CAmmonia Reflux Condenser 107 DAmmonia Blowdown Boiler 108 AAmmonia Magnetic Filter 108 BAmmonia Filter 109Ammonia Superheater 110Air Heater Equipment

Major Components 102 C 111 Equipment

Major Components ITEMDESCRIPTION 111Ammonia / Air Mixer & Cone 112 AConverter Elbow & Basket 112 BConverter Steam Accumulator 112 CConverter Catalyst 112 DSample Cooler 113No. 4 Tail Gas heater 114 AWaste Heat Boiler 114 BSteam Accumulator 114 CSteam Blowdown Drum 114 DBlowdown Sample Cooler 114 ESteam Vent Silencer 115 ANo. 3 Tail Gas Heater 115 BOxidation Spool 115 CPlatinum Filter Shell 115 DPlatinum Filter Element 116Cooler Condenser 117 ALow Pressure Waste Heat Exchanger 117 BBlowdown Sample Cooler 118Absorber 119Mist Separator Equipment

Major Components 115A 114A Equipment

Major Components ITEMDESCRIPTION 120 ANo. 1 Tail Gas Heater 120 BNo. 2 Tail Gas Heater 121Exhaust Stack 122Economizer 123 APackaged Chilling System 126 A&BLiquid Ammonia Filters 130 A&BWeak Acid Pumps 131Bleach Air Cooler 136 A,B&CInterchanger & Coolant Circulation Pumps 138Condensate Tank 139 A,B&CCondensate Return Pumps 141 ASump Tank 141 BSump Pump 143Building Crane 144 A&BNitric Acid Storage Tanks 145 A&BNitric Acid Pumps Equipment

Major Components 115B Equipment

Major Components ITEMDESCRIPTION No NumberInstr. Air Tank No NumberNOx Analyzer 102 ACompressor 1st Stage Rotor 102 A 1Compressor 2nd Stage Rotor 102 BExpander Rotor 102 CTurbine Rotor, Seals & Bearings 100Compressor House 114 A-2Complete spare waste heat boiler in warehouse 114 A-3Set of used spare tubes for waste heat boiler in warehouse Spare Parts All spare parts including but not limited to the following:

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: (direct) Mobile: