No answers yet
0
answers
0 Votes
Asked by
Ind Treatment Op (200 pts)
1 day 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
No answers yet
0
answers
0 Votes
Asked by
Will_Raschke (640 pts)
2 days 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
No answers yet
0
answers
0 Votes
Asked by
Confident plant (200 pts)
2 days Ago
Slow settling in 30 min settleability test
My 30 min settleabilty test has started to settle really slow the past couple days. Water is nice and clear on top. My MLSS has went up recently to about 5,000 normally stays between 3,000-3,500 is my mixed liquor just getting too heavy and needs some pumped out? Thanks for any help.
wastewater
wwtp
No answers yet
0
answers
0 Votes
Asked by
Mamabear (0 pts)
3 days Ago
Saint John water treatment plant
Nephew has xla autoimmune disorder that requires the IVIG antibodies monthly. Doctor wants to know how SAFE it is for someone with no immune system. Is there still bacteria in the water after the treatments?
other
No answers yet
0
answers
0 Votes
Asked by
aaronyuen (0 pts)
4 days 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
Active
3
answers
0 Votes
Answered by
colorfulAtom (200 pts)
4 days Ago
Degreasing aeration tank
On an activated sludge WWTP (1100 PE), how do you rectify the problem of degreasing in the aeration tank (stable, viscous foam) when there is no degreasing mechanism upstream?
wastewater
wwtp
No answers yet
0
answers
0 Votes
Asked by
yak10101 (100 pts)
5 days Ago
What the debit of water in an urban water network in the winter? Are there any links to such limits?
distribution-system
No answers yet
0
answers
0 Votes
Asked by
abhivmairal@gmail_com (100 pts)
5 days Ago
Charcoal slow sand bed filtration system for containing microbes from bioprocess lab waste water
Dear All,We have received recommendation from our safety vendor to install charcoal slow sand bed filtration system. The purpose of this system will be only to contain or to trap the pathogenic microbes from the bioprocess lab wastewater. Currently our bioprocess lab waste water (almost 90%) is bein...
treatment-plant
wastewater
No answers yet
0
answers
0 Votes
Asked by
( pts)
4 days Ago
If the system is over loaded with food what steps can be taken for correction
wastewater
No answers yet
0
answers
0 Votes
Asked by
( pts)
4 days Ago
How do snails get into the waste water system
treatment-plant
Didn't find what you were looking for? Ask your question
Didn't find what you were looking for? Ask your question
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
What can happen to tank if it’s not serviced yearly and has the electricity supply cut off
treatment-plant
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
What do you do in the event of an uncontrolled release
treatment-plant
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
Is SCV water division using waste water for home consumption, i.e. Drinking and bathing water?!
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
Waste water treatment plants
Y is it not recommended that treated waste water for example by the xenon system be put in the wet lands? I understand in a development here that it will not be put in the wetlands but it is allowed to go in residential well water?
collection-system
distribution-system
treatment-plant
water
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
WWTP Composite Sampler Guidelines for Representative Samples
Sometimes one of our WWTP composite samplers has a lower volume than the rest of the composite samplers suggesting there is an issue with that sampler. For example, two of the composites samplers collect 7L of sample but the third sampler only collects 5L. Is there a standard or guideline that I can...
regulation
treatment-plant
wastewater
wwtp
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
Is using a warming plate ok to bring CBOD sample to room temperature?
Final effluent samples are cold this time of year. Instead of letting them sit for quite a while to get to room temperature, is it OK to use warming plate to bring sample to room temperature??
wastewater
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
Do you need a placard to transport wastewater grit screens or sludge in NY State?
wastewater
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
what are the best methods to use when doing a research about water demand management?
e.g surveys modelling etc
other
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
Ok im new to this.
Thanks in advance. How do you set a spike whem checking ammonia in a SBR system. I do a raw and final sample also. Just dont know about the spike when doing QaQc . Its not in the sop.What chemical and ratio is used.
wwtp
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
Can a sustained high vacuum psi on a wastewater chlorination system damage components to the system?
wwtp
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
How do you make a spike when testing for ammonia in a wastewater treatment plant?
What chemical is used , and in what base? We do a final reading and a dup reading . Then a spike reading. How do you make the spike?
wwtp
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
Class 2 wastewater exam.
I will be going to take my class two exam in the state of Georgia in a few months and was curious if anyone could point me in the right direction for some study material that’s relevant to the test other then the obvious sac manual...
treatment-plant
wastewater
wwtp
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
At the Decatur, IL utilities water treatment plant , how many millions of gal./ d are billed vs millions produced?
I am giving a talk about water, as I used to manage the utilities at our company that included water and wastewater treatment. I want to know the estimate of leakage in the distribution system.
distribution-system
Active
1
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
Explain the methods of taking samples of water and wastewater for field testing or transport to labotlratories
other
wastewater
Active
7
answers
0 Votes
Answered by
Bonnie (1880 pts)
1 week Ago
What causes low pH in an aeration tank?
For a week now, the aerobic/anoxic tank in an industrial treatment plant that I am responsible for has seen its pH drop to a critically low level of 6.The clarifier is fine (there are other processing units upstream). Conversely, the inlet is operating at a reduced flow (plant shut down during the h...
wastewater
wwtp
Active
4
answers
1 Votes
Answered by
Algae (0 pts)
1 week Ago
Double mechanical seal
Why do we use a double mechanical seal? Is it suitable for pumping corrosive, abrasive sludgy water?
distribution-system
water
Active
2
answers
0 Votes
Answered by
matross (140 pts)
1 week Ago
I am looking for ways to purify water while I’m travelling. Would you recommend Iodine tablets or Steripen?
I am looking for ways to purify water while I’m travelling. Would you recommend Iodine tablets or Steripen?
water
Active
6
answers
1 Votes
Answered by
daringCompressor (200 pts)
1 week Ago
Flowmeter diameter
Would you happen to have a link to documentation that explains how to select the appropriate DN for a meter according to the flow rate that is to be measured?I would also like to know about installation conditions in terms of distance upstream and down.
distribution-system
Active
5
answers
0 Votes
Answered by
Tamie (45450 pts)
1 week Ago
100:5:1 ratio
I would like to know if the 100:5:1 ratio is required in daily operation of activated sludge systems and, if so, how to interpret it.Is this ratio just used for sizing a wastewater treatment facility or does it provide other information?
wastewater
wwtp
Active
1
answers
0 Votes
Answered by
Tom Nichols (140 pts)
2 weeks Ago
How to rid lake water of algae for a project.
Hello, so I have some Lake water in plastic bottles and I'm ready to use them for a project I had in mind but I need to remove the algae that's begun growing in them. After that, I need a natural way to make the water as resistant to algae growth as I possibly can. Thank you.
other
water
