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  1. ReemaK

    h2s scrubbing from a mixture of h2s and nh3

    thank you @pierreick
  2. ReemaK

    h2s scrubbing from a mixture of h2s and nh3

    yes sir
  3. ReemaK

    h2s scrubbing from a mixture of h2s and nh3

    this gas is basically sour water stripper overhead gas...(from 2nd stripper...i.e ammonia stripper).. We want to remove h2s from this stream yes...when temperature is low...ammonium bisulfide forms and plugs the lines.. <10ppm is difficult in single step...we need to incorporate a 2nd polishing...
  4. ReemaK

    h2s scrubbing from a mixture of h2s and nh3

    the feed gas stream is around 4100 kg/hr and has 4 wt% h2s, 60wt% nh3 and rest water vapor...at a temperature of 90C and 1 barg we are not specific about solvent regeneration But with caustic the h2s cant be removed to <10 ppm level in a single step...to go for adsorption we dont have...
  5. ReemaK

    h2s scrubbing from a mixture of h2s and nh3

    thank you for your prompt response @georgeverghese... but first we want to try out commonly used solvents like amines and caustic available in refinery... does ammonia have any degrading effect on amine solvents ? amines are used for h2s removal but for mixtures of h2s and co2 mostly..can it be...
  6. ReemaK

    h2s scrubbing from a mixture of h2s and nh3

    Hi I am tasked to design a process to remove h2s from a mixture of H2S and NH3 using scrubbing . As of now, we have decided to use caustic, though by simulation results there is some ammonia also being absorbed by the NaOH. The composition of H2S in the inlet is 4 wt%. The objective of the...

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