These systems used to be made by Appalachian Controls. They have since been acquired by Fisher.
The systems were normally designed to maintain the tank at +0.5" WC.
Make sure you have a vacuum relief valve in the system if you are going to try and design you own system. If you don't include...
A couple of things need to be added to this discussion.
The water entering the tank must be deoxygenated or the tank dosed with an oxygen scavenger. The floating balls only reduce the surface area exposed to the atmosphere which limits the rate of absorption of atmospheric oxygen. If the water...
In the case of the bottom ash the lids are wet an have usually been through a cusher so the solids ae generally granular in form and are handled well by eductors.
In the case of a reactive material such as lime I suspect you will encounter many difficulties in the operation.
If the 10% w/w...
There are a number of applicable ASTM STandards on this subject.
You should also look at ANSI/ASME PTC 19.11-1997 Steam and Water Sampling, Conditioning and Analysis in the Power Cycle.
Also ASTM D1066-06 Standard Practice for Sampling Steam should be followed.
Collecting representative...
The answer is it depends on the other ionic species, recovery and the cost of scale inhibitors at your site.
Both CaCO3 and CaSO4 scaling are easily inhibited by the scale inhibitors currenty available.
If you intend to operate at 85+% recovery then you had better look at an IX softener...
Shootingstars78,
MBR would produce a very quality effluent suitable for feeding a RO process. I would dose UV and O3 to kill off any biologicals that might slip through the MBR.
Contact Siemens, GE Water, TriSep (SpiraSep membrane for MBR) and Koch Membranes (Puron membrane for MBR). All...
Sublimination is an amazing phenomenon. I have only seen it happen once. I spent one winter in the Canadian arctic and saw the snow slowly disappear while the ambient temperature stayed well below freezing.
zdas04,
Great job in explaining that a task that appears simple is far from that.
Pan evaporation rates are widely used to estimate evap pond sizes but you can run into some serious problems when the salinity in the pond gets high. Hydrate formation tends to hinder evaporation much like the...
Check with your chemical supplier and get the flow rating off the blower's nameplate.
The rule of thumb for sizing these things is 3-5 cfm/ft^2 of filter bag surface. ZMI/Portec standard bag house provides 295 ft^2 of bag surface and spec's a max air flow rate of 1175 cfm. This is a bitless...
The biggest problem in measuring trace amounts of impurities in high presssure, superheated steam is getting a representative sample. I would refer you Jonas, Inc. for the EPRI Isokinetic Sampling Nozzles. Their web address is www.steamcycle.com
The next part of the equation is balancing the...
Measuring seawater Cl concentrations using a silver nitrate test is possible but the results would be questionable and the volume of Ag(NO3)3 required would be very large.
There are better test methods now.
Try looking at http://www.world-wide-water.com/PDFs/PDF%20frame.html
This is a "typical" analysis. As I recall ME salinities run higher, close to 45,000 mg/l TDS.
