We installed a new like-for-like condenser on a small distillation column. After startup, we couldn’t pull down vacuum like we used to on the column (500 mmHg now vs 350 mmHg before). After 2 air leaks were found, the top pressure improved slightly, however the top pressure still remained...
I have a firewater tank complying with NFPA code that requires an inspection every 3 years. It also requires an internal inspection complying with API 653. 3 years ago, it was inspected and the floor was shot. At that time, a concrete floor was poured in the tank and put back in service. Our...
I have a fixed tubesheet heat exchanger with massive fouling on the shell side (design was 10 psig drop, now closer to 50 psig). Thermal scans of the exchanger show a large blockage in 2 baffled sections of the exchanger. Tried chemical cleaning it with a non-aggressive solution, but it did...
