| Time | < 5 minutes | Observation Recorded operator interaction | Applies to: Ceramic Filter CIP Interface Engineering Ceramic filtration automated operation — Recorded operator interaction of less than 5 minutes for the automated filtration/CIP arrangement. |
| Operating Measure | > 50 % | Actual Result Recorded operating improvement | Applies to: Ceramic Filter CIP Interface Engineering ceramic-filter operation — Recorded increase of more than 50% in run time between cleaning cycles; separate from the laboratory flux-recovery measurement. |
| Operating Measure | approximately 90 % | Baseline Vendor laboratory baseline | Applies to: Reviewed the vendor filterability study as a design baseline for ceramic filtration: membrane flux, pore size, clean-water-flux recovery after CIP and filtrate turbidity study, 2018 — after one CIP — Clean-water-flux recovery in the filtration supplier vendor study. |
| Turbidity | 0.26 to 0.39 NTU | Baseline Vendor laboratory baseline | Applies to: Reviewed the vendor filterability study as a design baseline for ceramic filtration: membrane flux, pore size, clean-water-flux recovery after CIP and filtrate turbidity study, 2018 — filtrate — Filtrate turbidity in the filtration supplier vendor study. |
| Proposed Concentrate Sample Volume | 500 mL | Design Parameter Vendor test proposal | Applies to: Coordinated and reviewed filtration supplier's laboratory cleanability study, using the vendor's neutralization, temperature and particulate findings to inform a production-validation decision Proposed input — Proposed concentrate sample volume |
| Proposed PES Membrane Pore Size | 0.2 µm | Design Parameter Vendor test proposal | Applies to: Coordinated and reviewed filtration supplier's laboratory cleanability study, using the vendor's neutralization, temperature and particulate findings to inform a production-validation decision Proposed laboratory filtration — Proposed PES membrane pore size |
| Proposed Neutralization Endpoint | 7 pH units | Target Vendor test proposal | Applies to: Coordinated and reviewed filtration supplier's laboratory cleanability study, using the vendor's neutralization, temperature and particulate findings to inform a production-validation decision Proposed endpoint — Proposed neutralization endpoint |
| Acetic Acid Sample Volume | 100 mL | Design Parameter Vendor laboratory test condition | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Acid sample — Acetic acid sample volume — Acid sample |
| Acetic Acid Concentration | 20 % | Design Parameter Vendor laboratory test condition | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Acid sample — Acetic acid concentration — Acid sample |
| Sodium Hydroxide Volume | 660 mL | Observation Vendor laboratory result | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Neutralizing solution — Sodium hydroxide volume — Neutralizing solution |
| Sodium Hydroxide Concentration | 2 % | Design Parameter Vendor laboratory test condition | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Neutralizing solution — Sodium hydroxide concentration — Neutralizing solution |
| Reagent Dosing Rate | 60 mL/min | Design Parameter Vendor laboratory test condition | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Neutralization — Reagent dosing rate — Neutralization |
| Temperature Increase | 3 °F | Observation Vendor laboratory result | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Neutralization — Approximately 3°F temperature increase, reported with ±1°F in the filtration supplier report, within one minute of dosing; membrane tolerance remained to be validated. |
| Total Suspended Solids | 106 mg/L | Observation Vendor laboratory result | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Before neutralization — Total suspended solids — Before neutralization |
| Total Suspended Solids | 108 mg/L | Observation Vendor laboratory result | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation After neutralization — Total suspended solids — After neutralization |
| pH | 7 to 8 pH units | Observation Vendor laboratory result | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation After neutralization — pH — After neutralization |
| Initial Laboratory Temperature | 77 °F | Design Parameter Vendor laboratory test condition | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Before dosing — Reported 77°F ±1°F ambient/starting temperature |
| Laboratory Temperature After Dosing | 80 °F | Observation Vendor laboratory result | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation After first minute of dosing — Reported 80°F ±1°F; remained near this value for most dosing duration |
| Time to Reported Temperature Increase | 1 min | Observation Vendor laboratory result | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Neutralization — Time to reported temperature increase |
| pH | 3 to 4 pH units | Observation Vendor laboratory result | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation Before neutralization — pH |
| SEM Image Magnification | 3,900 x | Design Parameter Vendor laboratory method setting | Applies to: Filtration supplier tested dilute sodium-hydroxide neutralization of residual acetic acid at laboratory scale; the study found no identified crystal-like particulate and recommended production validation membrane filter N66 NA disc examination — SEM image magnification |
| CIP Flush Volume | approximately 6,000 gal | Observation Field observation | Applies to: Captured a complete ceramic-CIP waste stream, organized repeated multi-point sampling, and coordinated the wastewater receiver, internal stakeholders, filtration supplier and laboratories Ceramic-CIP flush — CIP flush volume — Ceramic-CIP flush |
| Wastewater Flow | 30,000 to 40,000 GPD | Observation Field observation | Applies to: Captured a complete ceramic-CIP waste stream, organized repeated multi-point sampling, and coordinated the wastewater receiver, internal stakeholders, filtration supplier and laboratories Contemporaneous plant sampling — Wastewater flow — Contemporaneous plant sampling |
| pH | 2 to 3 pH units | Observation Field observation | Applies to: Captured a complete ceramic-CIP waste stream, organized repeated multi-point sampling, and coordinated the wastewater receiver, internal stakeholders, filtration supplier and laboratories Contemporaneous plant sampling — pH — Contemporaneous plant sampling |
| Sodium Concentration | 189 ppm | Observation Field observation | Applies to: Captured a complete ceramic-CIP waste stream, organized repeated multi-point sampling, and coordinated the wastewater receiver, internal stakeholders, filtration supplier and laboratories Contemporaneous plant sampling — Sodium concentration — Contemporaneous plant sampling |
| Wastewater Flow | 10,000 to 15,000 GPD | Operating Control Receiver criterion | Applies to: Developed temporary containment and dilution measures and evaluated permanent alternatives against receiving-facility hydraulic, pH and sodium criteria Receiving facility — Wastewater flow — Receiving facility |
| pH | > 3 pH units | Operating Control Receiver criterion | Applies to: Developed temporary containment and dilution measures and evaluated permanent alternatives against receiving-facility hydraulic, pH and sodium criteria Receiving facility — pH — Receiving facility |
| Sodium Concentration | < 160 ppm | Operating Control Receiver criterion | Applies to: Developed temporary containment and dilution measures and evaluated permanent alternatives against receiving-facility hydraulic, pH and sodium criteria Receiving facility — Sodium concentration — Receiving facility |