Process option generation Chemical Case Study - Chemical Manufacturer, UK ABB were asked by an ammonia manufacturer to generate and review options for increasing capacity of their existing facility by 35%. ABB developed a structured approach in order to ensure the study generated options that met all of the required criteria. - Name plate capacity 600 mtpd - Operational capacity 640 mtpd - Target production 810 mtpd Other constraints on the project were: - The need to increase CO 2 availability to allow for increase in urea production - Reducing or at least maintaining specific energy consumption Other issues that were necessary to consider were the steam balance; the plant was firing the convention section tunnel burners as well as auxiliary boilers in order to gener

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