No answers yet
0
answers
0 Votes
Asked by
FOGG (100 pts)
4 days Ago
Foaming in Aeration Tank
Experimental Setup: 1. 1500 USG above ground HDPE tank 2. 1000 USG of FOG waste being treated in the 1500 USG tank 3. Initial pH 3.084. Aeration via blowers being derived into the tank 5. 40 L of (50% concentration) NaOH dosed over a period of 10 hours to stabilise the pH to 7.56. By ...
wastewater
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
4 days Ago
Why is the chlorine that is added to final treated waste water allowed to get used up before it’s discharged
wastewater
Active
1
answers
0 Votes
Answered by
lucid_uranium (140 pts)
4 days Ago
Need self cleaning filter for water feed to instrumentation
I need to filter the raw water (Lake, then miles of canal) supply to my intake instrumentation. Obviously I cant filter the input to turbidity, but I can filter several other instruments.
The main problem is fluffy algae with about the same SG as the water making a cyclone ineffective.
I have be...
instrumentation
treatment-plant
No answers yet
0
answers
0 Votes
Asked by
( pts)
1 week Ago
ABB LIMITED AquaMaster , The water measurement error is about half the true value
please help me , what can i do for this type of problem or how can i fix that. it errors about half the true value.
water
Active
8
answers
0 Votes
Answered by
RitaWilliams (980 pts)
1 week Ago
What is the difference between ozone and ultraviolet disinfection?
treatment-plant
water
No answers yet
0
answers
0 Votes
Asked by
( pts)
1 week Ago
washout of sludge
Industial etp plant infflunt maily contain ethyline glycoal and aldehides . washout of sludge in from sidement tank
treatment-plant
wastewater
Active
7
answers
0 Votes
Answered by
Tamie (46430 pts)
2 weeks Ago
Filmentous, fibers, or something else?
My other post’s link didn’t work: These have been showing up in our slide samples for the past week, and hadn’t been previously.8+ rotifers per slide and a couple of 50+ headed stalked ciliates which have also not been seen in the past few months up until now (normally less than 5 rotifers and no co...
collection-system
other
wastewater
water
Active
2
answers
3 Votes
Answered by
( pts)
2 weeks Ago
Should I use black water chemical in the gray water tank?
I always use sanitation chemical in the black water tank after flushing and emptying. Of course I empty the gray water tank last. I've been pouring a little of the same chemical plus water into the empty gray water tank after emptying. Is that advisable? Or is the gray water tank not suites for that...
chemicals
gray-water
wwtp
Active
3
answers
0 Votes
Answered by
( pts)
2 weeks Ago
I read this article on Water and Wastewater International that dealt with ammonia loading issues.
Has anyone tried the filters they talked about?
ammonia
filters
wastewater-treatment
Active
1
answers
1 Votes
Answered by
HaraldSchu (700 pts)
2 weeks Ago
Found these under the microscope- filamentous or fibers, or...?
These have been showing up in our slide samples for the past week, and hadn’t been previously. 8+ rotifers per slide and a couple of 50+ headed stalked ciliates which have also not been seen in the past few months up until now (normally less than 5 rotifers and no colonial stalked). I’ve only b...
other
wastewater
water
wwtp
Didn't find what you were looking for? Ask your question
Didn't find what you were looking for? Ask your question
Active
2
answers
1 Votes
Answered by
HaraldSchu (700 pts)
2 weeks Ago
Can Kellogg can the water company denie water service if previous resdeance owe bill
water
Active
5
answers
-2 Votes
Answered by
HaraldSchu (700 pts)
2 weeks Ago
What are the costs of running a water treatment plant for a year?
economic, social and environmental costs of running a water treatment plant for a year vs. the same costs when drinking bottled water for year.
treatment-plant
water
Active
2
answers
2 Votes
Answered by
( pts)
2 weeks Ago
What PSI filters are you using at your WTP's
We are going to be replacing our PSI filters on 2 skids at our 12 year plant looking for info on what is new and being used out there. Thanks
filters
water
water-treatment-plant
Active
2
answers
4 Votes
Answered by
RitaWilliams (980 pts)
2 weeks Ago
Who uses ferric chloride as a coagulant in water treatment?
coagulant
ferric-chloride
treatment-plant
water
Active
2
answers
0 Votes
Answered by
RitaWilliams (980 pts)
2 weeks Ago
salt delivery Charlotte
Water is essential to life. Humans are composed of 70% water. The water you put into your body is transported to every cell and organ. You want your water to be as pure and healthy as possible.
other
water
Active
2
answers
0 Votes
Answered by
RitaWilliams (980 pts)
2 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
Active
1
answers
0 Votes
Answered by
Tamie (46430 pts)
2 weeks Ago
free water analysis Midland
A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents for purposes such as providing agricultural irrigation, accessible drinking water, public and private aquariums,...
wastewater
water
Active
2
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
2 weeks Ago
Grey centrate instead of light yellow , Why?
WWT, grey centrate from the centrifuge, the question is why it is not yellow. Also stronger smell from the sludge cakeAny ideas?
wwtp
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
2 weeks Ago
Who to contact for help with the city laws
W hi o to contact about the city laws for water company
other
regulation
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
2 weeks Ago
Are there filters for small package plant from clarifier to effluent
wastewater
No answers yet
0
answers
0 Votes
Asked by
( pts)
3 weeks Ago
How quickly will a large external sewage spill take to break down so I can safely use the area?
We had a large sewage spill from a malfunctioning city sewage lift 3 months ago. The city was negligent in cleaning it up. I am wondering how long it takes for it to start naturally breaking down? We will be digging up the top 6 inches. Just wondering if the bacteria will continue to spread or is it...
treatment-plant
wastewater
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
1 month Ago
Unsettled sludge
Does unsettled sludge in effluent contribute to high COD or BOD?
treatment-plant
wastewater
wwtp
Active
2
answers
1 Votes
Answered by
prashantpaidi (140 pts)
1 month Ago
If a tank is taken out of service, what the last thing you should do?
maintenance
tank
water
Active
3
answers
0 Votes
Answered by
BOC (140 pts)
1 month Ago
Odor at water treatment plant?
How can we remove odor at a water treatment plant?
odor
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
1 month Ago
Size of disolved COD
How small is dissolved COD? Is ultrafiltration adequate to filter most of the dissolved COD?
instrumentation
treatment-plant
wastewater
wwtp
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
1 month Ago
How many or what percent of treatment plants in the US use lime treatment? How about anaerobic digestion?
Hi-My name is Charles, I am currently working on a publication about several aspects of the wastewater treatment process. I was curious to see if anyone had any knowledge or documentation depicting what fraction of US WWTPs utilize lime treatment and how many/what fraction use anaerobic digesti...
treatment-plant
wastewater
wwtp
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
1 month Ago
Treatment plant problem
I have a package plant that was running perfectly blanket in clarifier was great svi was was running low I com to plant next day and entire plant is completely white milk color thru out plant all the e to effluent station and I have been unable to bring back to normal operation. Had FLA rural water ...
treatment-plant
wastewater
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
1 month Ago
HVAC system
The rooftop heating and air conditioning units at our plants fail frequently. Apparent cause is corrosion; we think it is the humid environment with a little more hydrogen sulfide than commercial units usually encounter. I read that HVAC controls can be purchased in stainless steel NEMA 4X cabinet...
treatment-plant
Active
4
answers
2 Votes
Answered by
Water Reclaimer (240 pts)
1 month 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
Active
1
answers
0 Votes
Answered by
Breizh'eau (27180 pts)
1 month Ago
How to remove molybdenum from acidic waste waters?
We are a stainless steel surface finishing company that treats our own hazardous waste waters. Our feed waste contains 40-50 ppm moly and our effluent limit is 1.2 ppm.
treatment-plant
wastewater
wwtp
