Patent ID: 11925914
Assignee: KEMIRA OYJ
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 32:
33. A method of producing performic acid, the method comprising:
providing the system of claim 29;
sending a first instruction from the automation unit to the master programmable logic controller (mPLC);
supplying (i) hydrogen peroxide from a first source, and (ii) one or more acids from a second source to the at least one reactor unit;
sending a status of the at least one reactor unit from each of the at least one servient programmable logic controllers (sPLCs) to the mPLC;
sending a second instruction from the mPLC to each of the at least one sPLCs; and
modifying an amount of performic acid produced by each of the two or more coils based on the second instruction.