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I have a Goulds booster pump with part number 2AB25HM05 that can not build up pressure and keep tripping out due to the low pressure. Any idea what could cause the pump to not able to build up pressure? This is a new installation and the pump was working at one point. The vendor rep told me the...

Hi All, I am adding a KMnO4 chemical feed to my filtration compact package unit for the iron and manganese removal. I have a 50 gallon mixing day-tank and will be using powder KMnO4 for the solute to get 2% strength solution. The CAIROX potassium permanganate powder is 97% guaranteed with 2.703...

Hi, I have a membrane filtration unit and I need to sample the turbidity on the CFE pipe. I can not sample the water on the CFE pipe because there is not enough water pressure. what can I do to collect the water on the CFE? Is the gravity feed water flow in the vertical pipe a full flow pipe or...

How to calculate the time that will take a drop of raw water becoming a finished water in a conventional water treatment plant? Is there a formula for it? All input will be appreciated.

hi, For a complete circuit, how does 2 hot legs supply a load with 240v without a neutral wire on the schematic diagram? Do electrons come in from one hot leg then go out the other hot leg? how does it apply in the resident home setting? all input will be greatly appreciated.

Our water treatment plant uses about 200Ibs of ZOP. recently, the po4 concentration in the distribution pipe has increased about 50% without changing of dosage. Is there any approaches we can take to narrow down the real cause of this? Thank you in advance.

My water treatment plant has a leaking reservoir tank issue. It is leaking about 10 gallon/min of treated water with 1.70ppm chlorine concentration into the creek. I am buying GAC to treat the leaking water. How do I calculate the quantity of carbon I need or the contact time for carbon?

Hi, What would cause Al2(SO4)314(H2O) crystalized in the alum tank and pipes? All input will be appreciated.

Would adding extra alkalinity slow down denitrification process in wastewater?

Hi, Are SWMM 5 and GEM8 Water CAD adequate for simulating wastewater plant hydraulic expansion from 4.5 MGD to 18 MGD? what about wastewater treatment process quality simulation? all input will be appreciated

Hi, Are SWMM 5 and GEM8 Water CAD adequate for simulating wastewater plant hydraulic expansion from 4.5 MGD to 18 MGD? what about wastewater treatment process quality simulation? all input will be appreciated

Hi, Which permits are required for water treatment in VA? any input will be appreciate.

what is the cost of install a 86' long, 8" steel pipe? The cost should include trench diging fee(3 feet deep), labor fee, equipment rental fee, cost of purchasing pipe. Jason Li

Hi guys, what are the other methods for designing overflow pipes for a existing septage tank who has .017MGD? I have used water distribution model and autoCad. what are the main concerns?

Hi guys, I have high COD on my final effluent. What could be the issues? My plant has coarse screen-grit vortex chamber-primary clarifier-fine screen-Bioreactor (anaerobic-anoxic-aerobic-anoxic)-Mixed liquor-ultra membrane permeating trains-carbon contactor-uv light-post aeration-final. Of...