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During cleaning process of our caustic plant, we get 20-30% caustic solution. The colour of this caustic is yellowish. The reason for yellowish colour is the Iron metal pickup from the equipment. We wanted to know if the iron can be removed/precipitated by adding any chemical. Thanks

I wanted to know the equation for recalibration of a rotameter if used for different fluid.

If there is any software available for free download or online calculation for shell and tube type heat exchanger

I want to install a dampener in reciprocating pump discharge line to reduce the pressure fluctuation. The purpose is to measure the flow rate using a rotameter. The specification for the pump are as follows: flow - 0 to 150 Ltr/hr Head = 25 m Fluid = Sulfuric acid (sp gr-1.8) I wanted to know...

To design any flowmeter, both heat capacity i.e. at constant pressure and at constant volume is required. Heat capacity at constant pressure is available at various books. But it is not available at contant volume. I guess there is a relation between them. Request to help if there is any...

There is a steam heater where brine is being heated from 60 to 80 degree centrigrade. There is a condensate trap designed for 0.5 kg/cm2 pressure drop.Due to low heat load the condensate pressure in the heater outlet remains near to zero. At some time we observed that the condensate pressure...

In a plant a condensate pump is not performing upto the desired ( also designed) performance. The NPSH required for the pump is 1 meter where as the available is 3 meter. ( The condensate temp is 96 degree centigrate and the tank is open to atmosphare.). The duty point mentioned on the data...

There is a condensate collection tank. Due to some reason it was overflpowing now and than.In a life span of about 2 years the tank wall thichness has been reduce substancially. I hope this is due to outside corrion but wanted to know the mechanism. The tank was insulated.