Will this Control Scheme work properly?

[zamakaze]

Evaluating whether this process scheme (attachd pdf) is ok or not. I have high pr. Scrub which is operating at 15 barg and low pr. Scrub at 1.9 barg. On low pr. Scrub I have pressure control valve with split range which maintain pr. At 1.9 barg in scrub. Down strm of the compressor I am mixing high pr gas with compressed gas. The PC2 takes pr. Reading from high pr. Gas and maintains same pr. For compressed gas so that they mix. The pc3 is an upset scenario case. The pc3 control valve will open when system is at 18.5 barg.

Will pc3 in any way interfere with pressure at high pressure scrub? Will it increase high pressure scrub pr. To 18.5 barg?

 

[mk3223]

A simple answer is yes as the pc2 and pc3 are to have same pr.
Note that the pr of pc3 is coming from pc2, i.e. high pressure scrub.