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| |  Posted 5/18/2006 9:26:09 AM | |
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| | I am in Iraq and have three lagoons to operate. My background is contact stabilization so I"m new to this. For now they are containment only. No discharge. The Euphrates Rives is only 3 miles away but in hostile territory. Lagoon Alpha flow into Bravo and then into Charlie. Total capacity is around 31 million gallons. Black and grey water trucks are dumped into Alpha which is full and Bravo has about 2 ft with Charile still empty. My problem is that Bravo has turn very red and Alpha a bright green. I've researched it and think it might be algae but there are no blooms. Why Bravo and not Alpha? Kevin Cochran KBR Services Inc.
Kevin Cochran
KBR Services Inc. |
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| | | Posted 5/18/2006 11:41:05 AM | |
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| | Not for nothing, but I think your on track with the algae. I saw algae blooms in Alaska both red and green. They could make the water look like someone dumped a dye marker. Is there a temperature, DO, or pH difference between the lagoons? I would check out aquarium sites, they seem to know what can bring on red algae. Good luck, Mark |
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| | | Posted 5/19/2006 5:06:41 PM | |
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| | Is it possible that the red is from bristle worms? They store iron at the base of their bristles, making wastewater appear red, if the population is very high. This may be causing the red color in Bravo lagoon. Alpha has raw sewage in and probably no DO. The worms require oxygen. I take it you don’t have a microscope. Send a sample to Camp Victory, someone their should have a scope and can tell you if its algae or not. Good luck with your tour in Iraq.
Bob Whitworth |
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| | | Posted 5/19/2006 8:18:45 PM | |
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| | Maybe lagoon bravo is a commie pinko. |
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| | | Posted 5/25/2006 8:56:57 AM | |
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|  Jerry....your showing your age...I havent heard that saying for 25 years |
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| | | Posted 5/26/2006 3:55:56 PM | |
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| | Us young wippersnappers pick up bad sayings like that from our elders. |
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| | | Posted 4/13/2007 5:30:51 PM | |
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| | Hi, I had a problem like this before, in a lagoons system in Port Said city- Egypt. I had wide red spots in the facultative lagoons. I found a description of this case in a book (Wastewater environmental impact) Dr. Fox, 1955 said that this is caused by the breading of Daphnia species, and when Oxygen is consumed by this big population of daphnia , Daphnia has the ability to produce like Hemoglobin inside there bodies to use the very low DO. So if this is your case, look for Daphnia, if this is true, try to find a way to increase the DO. Good Luck
Environmental chemist |
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| | | Posted 5/1/2007 2:29:19 PM | |
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| | Hi Kevin. I observed the same "red" color at Lake Kandahar and Camp Solerno. I think it may be influenced by the presence of a laundry (phosphorus), and other nutrients (ammonia) used in the portapotties in theater, combined with the high heat. There was some conversation about the possibility of tiny red "worms" being the cause. I would like to have had the opportunity to have tried pH neutralization of the incoming ammonia to see the effect but my contract ended. Sure do miss those wonderful days in the desert. Keep your head down and remember to keep hydrated. |
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| | | Posted 5/12/2007 2:16:24 PM | |
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| | It may be the worms (I'd second the opinion of using a microscope), but my first guess would be the algae. There can still be a "bloom", even if it is not forming large mats, as you would expect with the blue / green type. I recall one local pond, which received a discharge from a small sand filter, that at least once had the interesting case of one side turning red, and the other side green. It turned out to be a couple of diffeent varieties of algae, but freaked out the locals for a while. Jerry - are you suggesting that worms are part of a communist plot ? |
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| | | Posted 5/14/2007 7:09:48 PM | |
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| | what i found interesting from experience in Afghanistan is that some of these wastewater lagoons have been accepting wastewater for a couple of years without any discharge. this stuff has been concentrating for a long time. when the temperature hits, you can expect problems with maintaining dissolved oxygen in these systems. i wish i had a microscope to see if it were worms present, but don't feel frustrated my friend, you have great resources within KBR. I don't know your email structure now that KBR/Halliburton is separated, but if you can get in touch with Michael Shockey in Kandahar, he is a great help. If you do, tell him Randy sends his best. Keep your head down. |
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