What is the Langlier Index if the pHA is 9.2 and the pHS is 8.6? Is this stable, depositing or corrosive? If the P alkalinity is 0 mg/L and the T alkalinity is 100 mg/L, calculate the following: Bicarbonate alkalinity Carbonate alkalinity Hydroxide alkalinity If the P alkalinity is 35 mg/L and the T alkalinity… Continue reading More Water Math Problems & Charts
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Matching: A predominance of these microorganisms indicates 1. Amoeba A. Fast settling biomass and pin floc 2. Flagellates B. Good settling biomass 3. Ciliates C. Slow settling biomass and stragglers 4. Rotifers 5. Nematodes Which of the following are associated with ashing in the final clarifier(s) of an activated sludge plant? Variable High Low F :… Continue reading More Wastewater Treatment Questions
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If the volatile solids concentration in raw sludge is 66% and the volatile solids concentration in the digested sludge is 56%, what was the volatile solids reduction? Match the following: 1. MCRT A. Final Effluent TSS 2. Sludge Age B. Primary Effluent TSS 3. SRT C. WAS D. WAS + Final Effluent TSS … Continue reading More Wastewater Math Problems & Charts
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If the volatile solids concentration in raw sludge is 66% and the volatile solids concentration in the digested sludge is 56%, what was the volatile solids reduction? Match the following: 1. MCRT A. Final Effluent TSS 2. Sludge Age B. Primary Effluent TSS 3. SRT C. WAS D. WAS + Final Effluent TSS … Continue reading More Wastewater Math Problems & Charts