4 replies to this topic

[panagiotis]

Hello everyone,

Does anyone have any document or useful information about the salt production?

Thank you in advance!

 

[breizh]

Hi,

For this type of question ,  use your favorite search engine , key words salt production process .

https://www.mortonsa...and-processing/

good luck

Breizh 

[panagiotis]

Thank you Breizh. I was looking more for a PFD.

[Pilesar]

The Kirk-Othmer Encyclopedia has over 30 pages on sodium chloride including bibliography. If you ever travel near Grand Saline Texas, there is a nice little free salt museum inside a house made of salt blocks. I have visited the museum, but they no longer allow visitors inside the Morton mines there because there are too many lawyers.

[breizh]

Hi, 

Try your favorite search engine and key in salt manufacturing flow chart .

Btw you don't tell us what is your raw material and from where you got it (mine , sea water ..).

 

To get tips you need to develop a simple PFD for us to understand your difficulties .

 

My understanding , initial step : you need to treat raw brine to remove calcium , magnesium using sodium carbonate and caustic soda or milk of lime (reactors in series , decanters in parallel (overflow purified brine , bottom mud to be disposed ) , based on my knowledge on soda ash process and operation .

 

next steps from James Speight :Chemical and process design handbook ( doc attached)

 

Evaporation (concentration MEE or MVR and Single effect )  , separation solid liquid ( centrifuge) , dryer , silo   

 

last step addition of anticaking agent (cyanide solution a few ppm ) before packing 

 

Good luck

Breizh