The formalin production process shown in Figure B.7.1, Appendix B Identify the main recycle and bypass streams for the following:

Figure B.7.1

Transcribed Image Text:

P-801 A/B C-801 Feed Air Methanol E-801 E-802 R-801 Methanol Air T-601 T-802 E-803 Formaldehyde Formaldehyde Formaldehyde Reactor Compressor Feed Pump Preheater Preheater Reactor Absorber Tower Effluent Cooler Deionized Water Methanol Air 18 P-801 A/B C-801 E-802 mps hps bfw 11 E-80% & R-801 mps to Steam Header E-803 T-801 T-802 13 E-804 mps E-804 E-805 V-801 Tower Tower Tower Reboiler Condenser Reflux Drum 199 ow, E-805 V-801) P-802 A/B g (15) P-802 A/B Tower Reflux Pump Figure B.7.1. Unit 800: Formalin Process Flow Diagram P-803 A/B 14 16 P-803 A/B E-808 Product Product Pump Cooler E-806 CW Off-Gas Formalin to Storage Tank