Due to the leakage from one of gas-gas heat exchangers in our ammonia plant we have faced with shut down of the plant. The exchanger has been in service only two years and the outer surface of the leaked tubes shows sever corrosion however the condition of inner surfaces are good.The material of...
We have a 5000 ton double wall ammonia tank under construction in our plant designed with respect to API620. I would like to know the procedure for hydrostatic and pneumatic test of the tank after comletion of the construction.Is it necessary to check all the weld joints by solution film or it...
I would like to know how to prevent internal parts of equipments which are not in service for a long time from corrosion.In our plant some of equipments ( towers and coolers )are in two set and in pararel so at a time only one of them is in service and the other will be out of service for a long...
We would like to use our Argon,N2 and oxygen cylinders for filling CO2 in one of our fire fighting projects. I,d like to know whether we have this permission or not and if there was not any contradiction with standards and safty rules.It is to be informed that all the cylinders will be...
I would like to give my thanks to you by the excellent site you have and also by such detailed information.
Leakage from after cooler of air compressor in our power plant led us to shut down the compressor for several times .Visual inspection revealed severe corrosion of copper alloy tubes...
We have recentely faced with a sever corrosion of Lean/ rich MEA exhanger tubes in our ammonia plant wich led us to shut down of the plant.corrosion of tubes were in rich side and in the area of tubes located in the tube sheet.Tube material was S/S 304.Any comments with respect to the mechnism...
