Forum for Water and Wastewater Operators

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Asked by clever station (200 pts) 2 hours Ago

I need to study waste water and petrification course I want to corresponding course I don't know what to do

treatment-plant

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Answered by Breizh'eau (24520 pts) 1 day Ago

Waste disposal

How do u get rid of waste disposal with going to to the surface unground habitat

wastewater

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Answered by Breizh'eau (24520 pts) 4 days Ago

Wastewater activated sludge lagoon

What is the regulation for minimum free board in an activated sludge lagoon and where do I find the actual regulation

wastewater

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2 answers

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Answered by Amazing Grace (580 pts) 6 days Ago

Ever have different verification temperatures with multiple NIST thermometers?

Put three  new NIST verification thermometers in CBOD incubator.  CBOD incubator reads 20.0.NIST thermometer #1 on probe 1 reads 18.5.  Probe #2 reads 19.2.NIST thermometer # 2 reads 26.3NIST thermometer #3 reads 18.5.Placed all probes next to CBOD incubator probe.  How do you re...

instrumentation

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Answered by Motor Protection (140 pts) 1 week Ago

Lift station pump wont work on auto

We had a power outage, so I hook up a back up generator to power are pumps.  Pumps and generator ran for about 10mins then shut off. Couldn't get pump to work again. after power can back on pump still wouldn't work.  It kept blowing the fuse.  So i replaced the control transformer and...

wastewater

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Answered by Carlon (1120 pts) 1 week Ago

What kind of pipe is to be used for chlorine and water together?

wastewater

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Answered by Breizh'eau (24520 pts) 1 week Ago

Getting hired on when just starting

I'm currently looking to get my foot in the door in the water/wastewater operator position  (in canada) and was wondering if anyone had any suggestions as to the best way to get started I am currently working full time and need to in order to pay mortgage and Bill's but am looking for a ca...

other

wastewater

water

wwtp

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Answered by Breizh'eau (24520 pts) 2 weeks Ago

Where do I find open wastewater treatment parameters for data analysis?

Hello there,I am a wastewater professional evaluating existing data on wastewater treatment (influent and effluent parameters), and comparing it with data on new technologies. We plan to use AI and data science to find representative datasets, that are open to public, or ones which companies are wil...

wastewater

water

wwtp

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4 answers

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Answered by Carlon (1120 pts) 3 weeks Ago

Sand replacement of Multimedia Filter

Please any one can list down the procedure of sand replacement of Multimedia filter.

sand-filter

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Answered by Carlon (1120 pts) 3 weeks Ago

Can a small town turn it sewer plant into a renewable energy source

We are a small town have a sewer plant and treat sewer from three other neighbouring towns it has been become a burden on us and was wondering if we could turn it into a renewable source of energy that would help with electric bills or maybe even sell power to compensate or offset funds

treatment-plant

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Answered by Tamie (45590 pts) 3 weeks Ago

Relay settings for O2 on Hach sc200 controller

I have an SC200 universal controller connected to a PLC. I want to program the O2 content with a min and a max in order to trigger and stop the aerators. How do I do that? 

instrumentation

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Answered by Pateau01 (1900 pts) 3 weeks Ago

What is the difference between ozone and ultraviolet disinfection?

treatment-plant

water

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

Now to keep the water clean and getting the best results always?

How to keep the water clean and getting the best results always?

treatment-plant

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

Why are microorganisms used in waterwaste treatment?

wastewater

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

How does groundwater come into play in wastewater or sewage?

I lnow that SEWAGE is all the liquid waste collected from households, industry and stormwater + groundwater.

collection-system

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

Education advice

I'm looking to start my education  in the water treatment industry but need some advice on where to beginWhen  it comes to water treatment vs. Wastewater treatment what are the diffrencesSchooling, demand, pay, lifestyle, types of employment.Not sure if this is the place to be posting but ...

wastewater

water

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

How to remove copper from wastewater

Hi everyone Does anyone have a specific method  for how to remove copper from wastewater?

wastewater

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3 answers

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

Design of septic tank and soakpit

Can anyone help me to design a septic tank and soak pit for 250 students in a hostel. The soil within the site is impervious and waterlogged in rainy season. How can I choose a suitable filter media.  

treatment-plant

wastewater

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

What is aqua ammonia?

<< This question has been moderated for its commercial content >>

other

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

Are plate settlers effective to upgrade existing secondary clarifier?

Hey everybody, I am working on a thesis with the topic "Cost effective ways to increase plant capacity". The plant I am working on is a standard activated sludge process. Anyways my idea is to upgrade the existing secondary clarifiers with plate settlers. They increase the settling surface...

treatment-plant

wastewater

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Answered by flexible nitrogen (240 pts) 3 weeks Ago

How do I archieve a perfect sedimentation in a waste water at 70 degree Celsius?

I have constructed a sedimentation/filtration plant to recycle the waste water from an a vegetable oil refinery. I have a lot of challenge to sediment the water, though i am dosing with aluminum sulphate. I am suspecting the temperature (70 degree  Celsius) at which the water is entering the sedimen...

treatment-plant

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

What are the industrial effluent discharge limits in the USA, and where can I find them?

I've been looking for the discharge limits of COB5, pH, and so on, for industrial wastewater and I can't find any, contrarily to the limits for the european union which are present in the  Directive 91/271/CEE.

regulation

wastewater

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

Problem with flowmeter commissioning

I installed a 6 inches flowmeter vertically on a steel pipe. When it came time to go live, the values indicated on the display were not constant, what is the problem?

instrumentation

other

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Answered by Breizh'eau (24520 pts) 3 weeks Ago

What type of material can use as spacers for soaking the ceramic diffuser with aqeous HCl acid (33%~35%)

What type of material can use as spacers for cleaning the ceramic diffuser by soaking with aqeous HCl acid (33%~35%) in a separate FRP container? ( Acid soaking for the ceramic diffusers are about 600 numbers in a container)

collection-system

wastewater

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5 answers

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Answered by Breizh'eau (24520 pts) 1 month Ago

Discharge limit for industrial wastewater discharge to sewage/municipals

Dear all, I am looking to find out the applicable discharge limits for industries discharging wastewater to a public sewer for the wastewater to be treated in a municipal plant in France.

regulation

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3 answers

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Answered by colorfulAtom (200 pts) 1 month Ago

Complete-mix aerated lagoon

Complete-mix aerated lagoonsWhat can you tell me about complete-mix lagoon aeration--what are the advantages and disadvantages? 

collection-system

wastewater

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Asked by fairAerat02 (0 pts) 1 month Ago

HACH Real Time Control-P system (RTC-P)

Does anyone know the price of the Hach RTC-P module?(ref#: LXV407 complete solution with software and hardware)In addition, I would like to have an idea of how the operating costs (reagents, power consumption, etc.) stack up in order to quantify the return on investment for a particular installation...

instrumentation

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Answered by Bonnie (1880 pts) 1 month Ago

Problem with flowmeter commissioning

I installed a 6 inches flowmeter vertically on a steel pipe. When it came time to go live, the values indicated on the display were not constant, what is the problem?

instrumentation

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Asked by Ind Treatment Op (200 pts) 1 month Ago

Need to add a coagulation step

Has anyone had success injecting a coag prior to a centrifugal feed pump? I am using Aluminum Chlorohydrate and mixing with the pump and four static mixers and not getting any good results. There is colloidal clay in the water. (50 gpm plant. Mostly just dirty storm water.) Has anyone found a fast a...

wwtp

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Asked by Will_Raschke (640 pts) 1 month Ago

How to stop straight piping of water meters

Hi,We have submetered all the homes on our system and have experienced widespread straight piping.  Short of crimping the lines do we have any other option to stop this from going on? 

other

regulation

water