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  1. goutam_freelance

    Equilibrium Constant for Zr and Citric Acid

    I am desperately looking for Equilibrium Constant K for Zr and Citric acid. Can anyone quote any source? Engineers, think what we have done to the environment !https://www.linkedin.com/in/goutam-das-59743b30/
  2. goutam_freelance

    Use of PQR for GTAW+SMAW against WPS of SMAW

    Our contractor has submitted WPS for SMAW but the PQR is GTAW+SMAW. He is insisting that as per cl. 200.4 of ASME Sec IX we can prepare multiple WPSs from one PQR. Material is carbon steel. Is he justified ?
  3. goutam_freelance

    Using Natural Draft Cooling Tower While Still Under Construction

    Our concrete natural draft cooling tower is about 170 m tall. It is about 25% complete now. In another 6 months we need to run auxiliary cooling water system which has about 10% of heat load. After 6 months the cooling tower may reach about 100 m height. Is there any example of running the NDCT...
  4. goutam_freelance

    Maintaining Pressure in a Vessel

    We are working on a system where water will be heated by steam. The steam condensate will be collected in a pressurised tank maintained at 70 psia. the condensate temperature in 266 deg F. The pressure inside the tank will be maintained by steam(at higher pressure) by a self actuating pressure...

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