PFAS / 활성탄 처리

엔지니어링 질문

• Which PFAS compounds, chain lengths, and concentration ranges govern?
• What DOC/TOC, TDS, pH, temperature, and competing adsorbates are present?
• Which seasonal or event-driven flow and quality cases must the vessels handle?

핵심 입력

• Flow and variabilitym³/h
• Feed temperature°C
• Feed TDSmg/L
• Water matrix, pH, and competing adsorbatessite basis
• Dissolved organic carbon (DOC)mg/L
• Total organic carbon (TOC)mg/L
• PFAS species and concentrations by chain lengthng/L
• Treatment target / compliance basissite basis

핵심 출력

• Declared carbon-feed flow envelopesite basis
• Declared PFAS species and concentration basisng/L
• Declared DOC/TOC and competing-load basismg/L

엔지니어링 질문

• What suspended solids, colloids, oils, or organic load reach the carbon?
• Would a selected UF/MF or chemical-conditioning step measurably improve the carbon-feed basis?
• What residuals and post-treatment samples are needed to validate the pretreatment effect?

핵심 입력

• Pretreatment flowm³/h
• Feed and candidate carbon-feed turbidityNTU
• Suspended-solids / oil loadmg/L
• Feed and candidate carbon-feed DOCmg/L
• Feed and candidate carbon-feed TOCmg/L
• Selected pretreatment chemical dose, if testedmg/L

핵심 출력

• Validated carbon-feed turbidity basisNTU
• Validated carbon-feed DOC/TOC basismg/L

엔지니어링 질문

• Which representative-media capacity basis is defensible at relevant concentrations and matrix conditions?
• What EBCT, superficial velocity, carbon mass, vessel dimensions, and pressure drop are being screened?
• Is a capacity/load-based nominal life estimate adequate for this decision, or is project-specific pilot breakthrough evidence required?

핵심 입력

• Carbon-bed flowm³/h
• Carbon-bed temperature°C
• PFAS species, influent and target effluent basisng/L / site basis
• User-entered capacity assumption matched to media and water basismg/g
• User-selected reference target lifedays
• Carbon bulk density and fill basiskg/m³
• Target EBCT basismin

핵심 출력

• Required / installed carbon mass screenkg
• Required / installed bed-volume screenm³
• Actual empty-bed contact timemin
• Capacity/load-based estimated bed life from entered assumptionsdays
• Estimated bed pressure dropkPa

엔지니어링 질문

• How many vessels and what lead/lag sequence protect the required response time?
• Which influent, inter-vessel, and final-effluent sample points and changeout triggers apply?
• How will isolation, bypass, equalization, and vessel changeover affect continuity and compliance?

핵심 입력

• Design and operating flow envelopem³/h
• Preliminary per-vessel bed volumem³
• Allowable operating pressure-drop envelopekPa
• Final-effluent limits / action levelssite basis

핵심 출력

• Selected vessel count and lead/lag sequencedesign basis
• Sampling points, changeover response, and operating-control basisdesign basis

엔지니어링 질문

• Which target PFAS, sample points, analytical methods, and detection limits define the monitoring basis?
• What sampling frequency and operating flow/pressure records reveal changes in performance?
• What validated result triggers lag-vessel transfer, media changeout, or immediate response?

핵심 입력

• Compound-specific influent / inter-vessel / effluent time seriesng/L
• Operating flow historym³/h
• Operating temperature history°C
• DOC/TOC and relevant competing-load historymg/L
• Bed differential-pressure historykPa

핵심 출력

• Observed compound-specific breakthrough evidencesite basis
• Validated operating action / review triggersite basis

엔지니어링 질문

• What measured evidence authorizes changeout or regeneration?
• How will spent PFAS-loaded carbon be characterized, transported, permitted, and accepted?
• Does the proposed regeneration or destruction route validate PFAS destruction and control secondary residuals?

핵심 입력

• Compound-specific breakthrough / effluent recordsite basis
• Cumulative treated volume and operating historym³
• Spent-media PFAS characterizationsite basis
• Spent-media co-contaminant / matrix contextsite basis

핵심 출력

• Observed service period and changeout basisdays
• Documented spent-media handling and disposition routedesign / compliance basis