Density of Settled Solids
Density of Settled Solids
(OP)
I have a sluice line carrying solids out to a dewatering lagoon. The water containing the solids circulates in and out of the lagoon slow enough to allow the solids to drop out. I am looking for a method of estimating the desnity of the settled solids in the bottom of the lagoon so I can carry out some additional calculations. Any helo would be welcome.
Thanks
Thanks





RE: Density of Settled Solids
Can you not scoop up a measured volume of the solids and weigh them?
RE: Density of Settled Solids
RE: Density of Settled Solids
Obviously, the density of a precipitate will depend on the packing as well, so you can safely estimate the 2.32 g/cc as a maximum. A scoopful of whatever is on the bottom will range between that value (full dense solid) and the value for water (i.e. no solids at all) at 1.0.
RE: Density of Settled Solids
RE: Density of Settled Solids
There you go, now you can calculate the packing for your sample. You'll probably find the density increases as the layer size and settling time increases....but only slightly.
RE: Density of Settled Solids
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RE: Density of Settled Solids
I'm thinking the CRC test, if I read it, may show to be for packed material to some (large) extent. I have no reason to beleive it would be off but the 2.32 g/cc seems way high at least for my application. Thanks to both of you!
RE: Density of Settled Solids
4832 industrial drive, calvert city, ky
into google maps. That auqamarine color is from a calcium sulfate settling pond.
RE: Density of Settled Solids
Just to make things right: density is a number without unit, being a ratio between, say, the mass of a given volume of a liquid and the same volume of water, at a given temperature.
Specific gravity is written as kg/cubic meter, or grams/liter, etc.
Have a look to the document titled "PT-MT units: stop the mess" in
www.ress
PATRICK DUBOSC NDT CONSULTANT
RE: Density of Settled Solids
RE: Density of Settled Solids
30.538037°, -97.075185°
RE: Density of Settled Solids
Yes, sorry, thought I was being clearer - CRC handbook lists values for crystalline (or as close as a chemist can get) solids. Thus, it is an upper bound only.
RE: Density of Settled Solids
A little more settling occured over the weekend and I'm at 83 lbs/ft3.
Thanks again
RE: Density of Settled Solids
The pond is waste products from acid neutalization, mostly calcium sulate. Waste acid from the refrigerant pant is reacted with a waste lime from an adjacent carbide plant. The pond allows the calcium sulfate to settle out. THe gypsum is added to one end of the pond and water is taken off on the other end.
I understand that the locat road crew is recycling the calcium sulfate.