If it's released high enough above the rain cycle in the stratosphere, it stays there reflecting sunlight for 1-2 years, and produce little or no acid rain. We

If it's released high enough above the rain cycle in the stratosphere, it stays there reflecting sunlight for 1-2 years, and produce little or no acid rain. We know this because volcano eruptions does this, snd the effects have been studied: https://earthobservatory.nasa.gov/images/1510/global-effects-of-mount-pinatubo https://earthobservatory.nasa.gov/images/1510/global-effects...