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IFRs, Thank you for your cooperation. Regards

LittleInch, We have two tanks, the first tank supplies the second tank (media pyrolysis gasoline) in the normal operation. Currently, the plant is in total shutdown and we want to install a new radar system for the second tank. So, we want to empty the second tank by transferring the remaining...

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

yes I have the NPSHr from the vendor datasheet 0m at datum and 1.2m at the grade.

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...

thank you all for your cooperations

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...

Thank you Mr. LittleInch

- The storage tanks have been suspended for 6 years due to the deteriorating security situation in the area. - The tanks are completely empty and left under nitrogen pressure. in case of using water for test, how can I get rid of the water residue after discharged (drained) from the tank...

The reason for the suspension of the floating roof tanks from the service because the plant is completely suspended for long time 6 years. Before the shutdown there were no problems with the storage tanks.

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

yes the quantity is large (about 405 drums), and the storage condition not bad. the sample test is free because it is done in our company. thank you everybody

we take a sample from the drum, and we find that the properties in the range. it has not been tested yet. but we don't sure that it will be in the range in the operation.

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

thank you everybody for your cooperation

did you mean incinerator?!! if you mean furnace, it is not possible because the quantity of the naphtha is limited about 1000 m3

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...

Thank you for your cooperation.

I do not want to increase the concentration of MAPD in the inlet stream, i want to decrease it to improve the reactor run lengths. I searched about the reason of poor run lengths of the C3 hydrogenation reactor, and I find that for Operating safety demands that the significant exotherms...