MANN+HUMMEL MICRODYN MD020 FP2N User Manual Download Page 2

Page: 2 / 21

MICRODYN CAPILLARY MODULES | USER MANUAL

MANN+HUMMEL Water & Fluid Solutions | REVISION DATE: 09/09/2021

Contact

Europe

Germany: +49 611 962 6001

Italy: +39 0721 1796201

Americas

USA: +1 805 964 8003

Asia

Singapore: +65 6457 7533

China: +86 10 8413 9860

Summary of Contents for MICRODYN MD020 FP2N

Page 1: ...MICRODYN CAPILLARY MODULES USER MANUAL MANN HUMMEL Water Fluid Solutions REVISION DATE 09 09 2021 1 MICRODYN Capillary Modules User Manual...

Page 2: ...id Solutions REVISION DATE 09 09 2021 2 Contact Europe Germany 49 611 962 6001 Italy 39 0721 1796201 info microdyn nadir com Americas USA 1 805 964 8003 sales mnus microdyn nadir com Asia Singapore 65...

Page 3: ...ACTIVATION WITH WETTING AGENTS 8 5 Operation 9 5 1 GENERAL SYSTEM SET UP 9 5 2 PRESSURE DROP AND TRANSMEMBRANE PRESSURE 9 5 3 OPERATION PROCESSES 11 5 3 1 Open Loop Operation 11 5 3 2 Closed Loop Oper...

Page 4: ...product flux The smart construction techniques employed in the module manufacturing allow them to be used in applications that require highly stable polymer materials pH stability 0 to 14 and high res...

Page 5: ...emaining liquid is called the retentate concentrate Feed Retentate Filtrate Filtrate 2 3 PRODUCT CODES MODULE TYPES The following coding applies to MICRODYN products MD150 CP 2N DF Module Type Size Me...

Page 6: ...the module casing 3 2 STORAGE CONDITIONS The following conditions are recommended when storing the modules Store the modules inside a cool building or warehouse out of direct sunlight Temperature limi...

Page 7: ...ring filtration In the horizontal position the permeate port must be facing upwards to allow the module to fill fully with liquid Additionally the permeate port should be at the end of the module low...

Page 8: ...e point test for process safety reasons the module has to be activated by means of water soluble liquids with a surface tension of less than 0 035 N m Appropriate liquids to be used are a mixture of w...

Page 9: ...om the feed end to the concentrate end of a module and occurs due to the resistance of flow To achieve stable filtration begin operation at a low feed pressure and gradually increase the feed pressure...

Page 10: ...ule The pressure loss is affected by The properties of the circulating fluid e g rheological behavior viscosity and the concentration of suspended particles The velocity resistance in circulation modu...

Page 11: ...ate stream is sent back to the circulation pump ahead of the module The advantage with this design is that the circulation pumping pressure is reduced The feed pump is what supplies the system pressur...

Page 12: ...on it is possible to operate in a multistage configuration In this configuration the concentrate from the first stage is fed to the second stage This means that the flow rate is higher in the first st...

Page 13: ...and gets pushed through the feed side of the membrane the fouling and scaling materials are loosened and removed from the membrane surface Typically a back pulse is done every 5 30 minutes but trials...

Page 14: ...andard loop with a switch diagram of the pressurized back pulse The compressed air or compressed gases like N2 is not used as a cleaning substance The air is only used to pressurize the back pulse tan...

Page 15: ...1 L per installed m2 of membrane area or 0 26 gal per 10 8 ft2 of membrane area Feed Pump On Concentrate PI2 PI1 Feed SEPRODYN Module PBP Bleed PI1 TI PI PI PI2 SEPRODYN Module FI Compressed PBP Tank...

Page 16: ...storage vessel is needed and may require a sterile air vent filter 5 5 ADJUSTMENT OF FILTRATE FLOW At very high filtrate flow high membrane permeability there is a high potential for mechanical block...

Page 17: ...antities and for short periods of time for cleaning purposes Before applying please consult your MANN HUMMEL WFS representative The chemical resistance of MICRODYN capillary modules is listed in the f...

Page 18: ...ene chloride Molasses Milk Lactic acid aqueous 10 Mineral oils Mineral water commercial qual Natrium sulfite 40 Sodium hydroxide solution 2N Sodium hydroxide solution 52 Nitrobenzene Fruit juices Oleu...

Page 19: ...must soak in the module for 30 minutes to 1 hour 6 Drain the complete system 7 Flush the system with clean water to remove residual cleaning agents 8 Repeat steps 4 7 with another cleaning solution e...

Page 20: ...essure drop inlet pressure to outlet pressure is increasing so a pressure adjustment might be necessary 6 3 SETTINGS FOR PERIODIC BACK PULSE The tangential flow along the membrane surface reduces the...

Page 21: ...ng pressure mm m2 bar bar bar bar C l h bar MD020 CP 2N PP 1 8 0 1 1 6 1 4 1 5 0 5 5 40 360 3 MD020 FP 2N PP 0 6 0 2 2 1 5 1 5 1 5 40 250 3 MD063 CP 2N PP 1 8 0 75 1 6 1 4 1 0 5 5 40 1440 3 MD150 CP 2...