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Hello everybody, I want to ask a question. Can I fill a floating roof tank through the output nozzle? Knowing that the output nozzle has a vortex breaker. thanks

Hi all, I want to ask about calculation of the net positive suction head available for ethylene pump (vertical multistage pot mounted submerged motor pump). see the attached picture. my question is : the calculation of the net positive suction head available based on point 1 or point 2...

We have to hydrotest a heat exchanger, this exchanger used as ethylene vaporizer at -104C. This exchanger hydrotesting with methanol before which is not available now. Thus we are considering other mediums for hydrotest fluid. One idea floating around is to use nitrogen. I would like to know if...

How can we check the availability (ready for start-up) of floating roof tanks which suspended (out of service) for long periods of time. is there any test or procedure for this? thanks

in our company we have a large amount of lube oil which is expired on 10/2015. can we use this oil? thank you

How Can I Safely Dispose of My leftover naphtha?

a naphtha storage tank, capacity (20080 cubic meter) dimension 42.7m diameter and 16.5 m height. the level in the tank is 0.7 m (756 tone of naphtha) and it's content amount of mercury (184 ppb). We want to get rid of these naphtha. What are the environmental standards and disposal methods...

in the gas phase hydrogenation reactor, is it possible to recycling the outlet of the reactor to reduce the inlet concentration of MAP (methyl acetylene & propadiene)?!

in our plant we want to install new incinerator in ETP area (effluent treatment plant). What are the criteria that must be taken into account in determining the location (safty and operation). Please provide me with any reference could help me in this regard. We hope you technical assistance...

in our company we have a problem in the C3 hydrogenation reactor run lengths. the operation of the reactor is poor, run lengths of 20 days being experienced instead of the design period of 120 days. Thanks for your participation.

In our company we need to connect the boil off gas line to relief line. is this modification need to vent or drain? and what is the main factors in this type of work? Thanks for your participation.