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dcasto: We have done economical analysis. The buyer spec. 4 ppm H2S. For the current forecast, liquid scavenging is attractive for the next 4 years.

Monaco: the spec. for filter was selected by the chemical supplier. We are looking at reducing the filter rating. I want to know your experience, if any, and what is the optimum rating. Downside, it will end in water and can have some impact on water treatment. dcasto: At the current inlet...

We are operating a H2S scavenging system export gas with liquid scavenger. we have a coalescer downstream of scavenger injection to separate the water/scavenger chemical with H2S. The coalescer is currently specified for 0.3 microns, which gets blocked and blown over. Can anyone share their...

I have visio 2003 and can not find engineering templates menu under new drawing type. It is for creating P&ID and PFD sketches. Could you anyone tell me how to load or activate this template in my visio menu for new drawing type. Thanks in advance

I am working on a scheme to install screw compressor in a closed loop propane referigeration circuit. Can someone enlighten me the different kinds of controls for this applications. I have seen valve unloader using suction pressure to control. How does the discharge pressure controlled? Thanks...