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As concerns the North Sea wastewater issues (all petroluem types wastewaters) membranes are not considered - as they foul too fast and can't handle the organics. Most processes are either absorbant (betonite) or oxidative - for reduction of THC, BTEX, MEG, heavy metals, Aromatics, aliphatics...

We've been demonstrating the reduction of BTEX, MEG and THC on condensate coming from the piping of LNG to shore from the North Sea - but not sure if this is an issue in the United States - as far as the level of contaminant and the ability to discharge to ocean or river (EU Regs). Can someone...

Good Morning - looking for wastewater treatment firms currently working on treatment of leachate lagoon water from tar sands oil extraction in Alberta and Saskatchewan Canada. Need information on current treatment regimes. Thanks - Dave/Aquatic Technologies

Electrolytic oxidation can be built to handle the level of mercury. In condensate and Produced water - have taken the mercury - gets caught up with other precipitates and settles out of the water column, down to a few ppb. Wastewater is easier. We've reduced it on municipal Reclaim water in...

The fracturing depends on several factors - but primarily - it's the amount of applied current. If your running too high a current - then you need to reduce it to stop the fracturing of the carbonates - sodium hyperchlorit does not take more then about 20amps to get a good production - if...

I suspect your using electrolysis to create the sodium hyperchlorate - if so, then the fracturing of calcium carbonate and other calcium containing chemical compositions in the water will create precipitates of calcium - normally on the electrode surface, but also free in the water. You need...

Nitrates, according to the medical literature, creates oxygen uptake problems - I've not seen any issues with it involving diabetes. Nitrates are easily removed with carbon filters - like Culligan and others have available at Lowes, Home Depot, etc. There are "whole house" systems that are...

Hi back....use for fluoride crystals. Boy, that's a new one. I suspect some glass companies might be able to use in various kiln processes - also various chemical manufacturers. However, not sure your going to be able to provide sufficient quantities for them. Glass/artistic pottery - maybe...

CD - We spoke last week on this fluoride issue - you were going to send me over the analysis - but I have not recieved. Either way - if you would like a sample photo of what the precipitate would look like and the level created - please email me at....aquaticonsult@yahoo.com....or...

I son't see where the pond as potable water source needs to be permitted per se - other then the standard permitting that may be required locally for a pond of "X" size/gallonage. Where the water comes from for the potable water source is immaterial - it's the "post" treatment water for potable...

If you can't find the RO process/membrane you want, you might look at electrolytic oxidation to remove the silica/silicates and other minerals before the RO. We ran some tests for National Gypsum - reduced the load from municipal reclaim water by 75% before the R/O. It's simple, rugged, and does...

Looksatstars - can you provide an idea of the flow rate and/or daily demand? Elecrolytic oxidation will precipitate flouride out the water - regardless of level - systems can be designed for batch treatment or flow-through. The precipitate can be captured using periodic bag, cartridge, or DE...

Good Evening - I'm looking for a good commercial greenhouse growers forum - need to ascertain average heating cost, using NG/propane or electric heat for commercial greenhouse growers during the winter. Anyone have a good forum that has national participation? Thanks - Dave Aquatic Technologies

Are you sure it's NH4? Ammonium is hard process for biological processes to convert to NH3 (ammonia) - then to nitrate. Depending on the volume per day of make-up water, NH4 could require a very large aerobic biological filtration system. If NH3 - that's much easier - However, you need to...

Hope you all are looking at the Interium Report that just went in for final approval - especially those of you who work in aquacultural rearing or agricultural wastewater treatment - as this is going to have some major impacts on federal hatcheries as well as private rearing facilites - as well...

Were working on a design for revamping existing oil-refinery wastewater system in Eastern Europe - one of the aspects is the storm water. Equals 36,000,000 gallons in 24-hours. The oil/PAH/THC/Aromatic is not of issue for us to remove - but there will be heavy precipitate at the end of the...

There are several technologies - how they are applied differes, depending on the intent or process being used. You note freswater - but where and how depends on the source of the freshwater and the other pollutants/organics it contains. Ozonation is one, normally following filtration of any...

If you run a Google search using the keywords of "persistent organic pesticides,endocrin distruptors in sewage sludge" you'll get buried in articles from the UN Environmental Programme, Germany, and some Fish & Wildlife files on frogs and fish sexual mutation. Most of these involve the...

Heard that an American company got the contract with China to treat the water from the benzene spill at the freshwater plants - anyone know who got the contract?

Normally, the lab will provide a analysis designation number/abbreviation - which describes the procedure and what it is measuring - total soluble and collodial silica, or only one - the lab should be able to provide the description for you, but you can normally find the procedure outlined by a...