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WHEN regulating the level in a scrubber(control valve after the pump) should we use PI or PID? NB scrubber--> pumps(export condensate)--> control valve

a question for JLSeagull in case of regulating the level in a scrubber(control valve after the pump) should we use PI or PID? NB scrubber--> pumps(export condensate)--> control valve

can u give me something in literature that refers to it. i'll be sooo thankful

WHEN SIZING A SCRUBBER I FOUND A 'MOMENTUM CRITERION' TO SIZE THE INTERNAL NOZZLE DIAMETER IT WAS/ mean density of the mixturein the feed pipe*(velocity of the mixture)^2 it's value must be < 6000 can u explain for what is this criterion and if i have a momentum > 6000 what shall i do thx

CAN ANY ONE TELL ME WHAT IS THE 'TURNDOWN RATIO'. IT'S VERY USED IN SEPARATORS BUT I DON'T KNOW WHAT DOES IT MEAN!

thanks

it's a weight ppm

hi can i convert (x ppm) of water contaned in gas to (y lb/MMscf). if it's possible please give me a method of calculation. thanks

sorry for the answer i misunderstood your question.

The same curve containes buble and dew points the right side(after the critical point) is buble side and the left side is the dew side. i hope that it was helpful.

the fluid handled is condensat,the pumps used are horizantal pumps(in line).They are between the scrubber and the tank. We didn't use a complicated configuration in that area. i opted for the solution of a vertical canned pump but it was too expensive.Have u an idea of the prices of this type of...

i have a cavitation problem in my centrifugal pumps. in the bigining, i thought that it was a problem of NPSHA which was in fact bearly lower than the NPSHr but our pump supplier told me that the problem of cavitation could have many rasons not only NPSHA and proposed an expensive pump. can...