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  • Users: Farookengg
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  1. Farookengg

    Limitation of pH on DAF operation

    What is the optimum range of pH for improving DAF efficiency & what is the maximum limitation on pH for DAF to handle safely. I have a scenario where pH at the feed of DAF is around 10.5, will there be any effect of DAF efficiency. Also TDS at the feed of DAF is quite high, around 25000 -...
  2. Farookengg

    Nutrient Addition Calculation in Biological treatment

    I am designing a Water Water Treatment plant (with MBBR for Industrial Waste) Metcalf & Eddy Says, Based on Composition of Cell Biomass, about 12.2 g of Nitrogen & 2.3 g of Phosphorus are needed per 100 g Cell Biomass. & it says in MBBR TSS Concentration may range from 12 g/m2 to 28 g/m2 of...
  3. Farookengg

    Cell Biomass quantity in MBBR

    What is the normal quantity of Cell Bio Mass in the MBBR Tank, as the growth is on media I am unable to find the mass of microbes in the MBBR tank, I have to calculate the dosage of Nutrient for which I need to know the Biomass quantity. Kindly help.
  4. Farookengg

    MBBR Media Cleaning System

    We are dealing with a inquiry, where our client requires MBBR Media Cleaning system, Please let me know how this cleaning system normally is ? as I have never come across such system, Please suggest vendors who can provide such system. I don't understand why they require MBBR Plastic Media, as...
  5. Farookengg

    Removal of COD from Waste Water

    In a Industrial Waste Water, COD is 480 mg/l & BOD is 360 mg/l My understanding is 360 mg/l out of 480 mg/l of COD is Biodegradable & can be biologically oxidized & the remaining 120 mg/l of COD is non biodegradable & need to be oxidized chemically or by Activated Carbon. Please advise if my...
  6. Farookengg

    Pump for HCl 30%

    I need to select a Acid dosing pump (HCl 30%) for regenration of cation exchanger in demin plant. Capacity of the pump is 4300 LPH @ 5 barg discharge Pressure, we have checked for diaphragm pump with PVDF liquid end, but maximum flow per head is 2400 LPH & we need to consider double head pump...

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