This definition appears somewhat frequently
See other definitions of PACI
Samples in periodicals archive:
If you need a solution for mercury emissions, Cabot can provide plant-tested and proven technology-based powdered activated carbon injection.
? Activated carbon filter? Powdered activated carbon injection.
Among the few proven mercury emission control technologies that exist, the predominant process is Activated Carbon Injection (ACI). Powdered Activated Carbon (PAC) injection.