Acid Caustic Dosing Needs Closed Loop

Direct answer: Variable batch flow with delayed manual dosing causes chemical overuse (18-25% documented) and permit-compliance risk; electric diaphragm dosing pump + inline pH + closed-loop PLC removes the lag-driven overshoot.
Confidence: confirmed
Applies whensulfuric acid, potassium hydroxide, koh, caustic dosing, acid dosing, batch flow ph
Avoidmanual batch dosing (Controls)
Recommend insteadGraco QUANTM (Pump)
RationaleVariable batch flow with delayed manual dosing causes chemical overuse (18-25% documented) and permit-compliance risk; electric diaphragm dosing pump + inline pH + closed-loop PLC removes the lag-driven overshoot.
Confidenceconfirmed
Sourcedata/case-studies/cheese-plant-wastewater-ph.md, vendor-sources/dosatron.md

This is a general engineering rule derived from real field/case-study evidence, not a substitute for a project-specific specification review — confirm against your exact process conditions before ordering equipment.

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Source: Liberty Chemical Equipment & Supply, Inc. (LibertyCES) — engineering data compiled from real vendor and field-verified sources. For a free spec review, call James Riggins at (559) 395-5500 or email james@libertyces.com / sales@libertyces.com. Website: libertyces.com.