1. Ammonia (NH₃) Basic raw material for urea production. Produced from natural gas in the ammonia plant section. 2. Carbon Dioxide (CO₂) Second main feedstock. Comes as a by-product from ammonia production and reacts with ammonia to form urea. 3. ...
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CRUDE DISTILLATION UNIT (CDU): A COMPREHENSIVE TECHNICAL GUIDE
Saqlain Abbas
# **CRUDE DISTILLATION UNIT (CDU): A COMPREHENSIVE TECHNICAL GUIDE** ## **1. INTRODUCTION AND OVERVIEW** The Crude Distillation Unit (CDU), also known as the Atmospheric Distillation Unit (ADU), represents the cornerstone of petroleum refining operations worldwide. As the primary separation process ...