Water Treatment Knowledge
Coagulants, flocculants and filter media — turbidity, scale, iron removal and dosing decisions.
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- Coagulant Dose Calculator — Validated mg/L to Product QuantityConvert a dose you have already validated into an active chemical requirement, an as-supplied product requirement and a purchase quantity per day, week or month. Arithmetic only — the calculator never determines the correct treatment dose.converting jar test dose to product volume · sizing a dosing pump feed rate · estimating monthly chemical consumption · comparing coagulants at different active content
- Cooling Tower Cycles and Blowdown Calculator — Water Balance ArithmeticWork the evaporative cooling water balance from your own operating data: evaporation, blowdown, drift, makeup and cycles of concentration, with every equation and assumption shown. A planning calculation, not an operating setpoint.calculating cycles of concentration · sizing cooling tower blowdown · estimating makeup water demand · estimating evaporation loss · quantifying water saving from higher cycles
- Water Still Cloudy After Coagulant — Diagnosing Clarification FailureSymptom-first diagnosis for coagulation and clarification that is underperforming: pin floc, floc that will not settle, carryover, excessive sludge and inconsistent results. Likely causes, what to check, possible direction and when a jar test is required.water still cloudy after coagulant · pin floc · floc will not settle · floc breaks apart · carryover from clarifier
- White Scale or Something Else — Identifying Deposits in Water SystemsNarrow what the deposit in your exchanger, boiler, tower or membrane probably is — carbonate, sulfate, silica, phosphate, iron corrosion product or biofilm — from appearance, location and operating conditions, and find out which analysis would confirm it.white scale in boiler · hard deposit in heat exchanger · scale versus corrosion product · membrane scaling versus fouling · rising approach temperature
- Oxidising vs Non-Oxidising Biocides — When Each One WinsOxidising biocides kill fast, cheaply and indiscriminately; non-oxidising biocides penetrate biofilm and survive conditions that destroy an oxidant. A working cooling programme uses both: a continuous or shock oxidant to hold the bulk water, plus a…
- Antiscalants and Phosphonates — Choosing the Right Threshold InhibitorAntiscalants work at sub-stoichiometric dose: 2–10 mg/L holds hundreds of mg/L of scale-forming ions in solution by distorting crystal growth. The selection driver is which scale you are fighting and whether the system carries chlorine. HEDP gives strong…scale
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- Water Still Cloudy After Coagulant — Diagnosing Clarification FailureSymptom-first diagnosis for coagulation and clarification that is underperforming: pin floc, floc that will not settle, carryover, excessive sludge and inconsistent results. Likely causes, what to check, possible direction and when a jar test is required.water still cloudy after coagulant · pin floc · floc will not settle · floc breaks apart · carryover from clarifier
- White Scale or Something Else — Identifying Deposits in Water SystemsNarrow what the deposit in your exchanger, boiler, tower or membrane probably is — carbonate, sulfate, silica, phosphate, iron corrosion product or biofilm — from appearance, location and operating conditions, and find out which analysis would confirm it.white scale in boiler · hard deposit in heat exchanger · scale versus corrosion product · membrane scaling versus fouling · rising approach temperature
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Grade, material and specification decisions side by side.
- Antiscalants and Phosphonates — Choosing the Right Threshold InhibitorAntiscalants work at sub-stoichiometric dose: 2–10 mg/L holds hundreds of mg/L of scale-forming ions in solution by distorting crystal growth. The selection driver is which scale you are fighting and whether the system carries chlorine. HEDP gives strong…scale
- Water Treatment Coagulant Selection Guide — Alum, PAC, Ferric and PolymerCoagulant choice is decided by raw water alkalinity, temperature and the sludge you are willing to handle — not by price per tonne. Aluminium sulphate (alum) is the cheapest per kilogram but consumes about 0.5 mg/L of alkalinity as CaCO₃ for every 1 mg/L…
- Industrial Chlorination and Disinfection — Dose, Contact Time and ResidualDisinfection is not a dose, it is a CT product: concentration of free residual multiplied by contact time. A plant achieving 0.5 mg/L free chlorine for 40 minutes delivers the same CT as 1.0 mg/L for 20 minutes, and both fail if short circuiting in the…
- Oxidising vs Non-Oxidising Biocides — When Each One WinsOxidising biocides kill fast, cheaply and indiscriminately; non-oxidising biocides penetrate biofilm and survive conditions that destroy an oxidant. A working cooling programme uses both: a continuous or shock oxidant to hold the bulk water, plus a…
- Reverse Osmosis Chemical Programme — Pretreatment, Antiscalant, CIPAn RO programme is four chemicals doing four jobs in sequence: dechlorination to protect the membrane, antiscalant to raise recovery, occasional pH adjustment, and clean-in-place to recover what fouled anyway. Polyamide membranes tolerate a lifetime…
- Coagulant Dose Calculator — Validated mg/L to Product QuantityConvert a dose you have already validated into an active chemical requirement, an as-supplied product requirement and a purchase quantity per day, week or month. Arithmetic only — the calculator never determines the correct treatment dose.converting jar test dose to product volume · sizing a dosing pump feed rate · estimating monthly chemical consumption · comparing coagulants at different active content
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- Coagulant Dose Calculator — Validated mg/L to Product QuantityConvert a dose you have already validated into an active chemical requirement, an as-supplied product requirement and a purchase quantity per day, week or month. Arithmetic only — the calculator never determines the correct treatment dose.converting jar test dose to product volume · sizing a dosing pump feed rate · estimating monthly chemical consumption · comparing coagulants at different active content
- Cooling Tower Cycles and Blowdown Calculator — Water Balance ArithmeticWork the evaporative cooling water balance from your own operating data: evaporation, blowdown, drift, makeup and cycles of concentration, with every equation and assumption shown. A planning calculation, not an operating setpoint.calculating cycles of concentration · sizing cooling tower blowdown · estimating makeup water demand · estimating evaporation loss · quantifying water saving from higher cycles
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