Hi Kirk >H and Cl combine redily. Have water present and the HCl will go into the >water. A catalyst on the H line can start the reaction.
What sort of catalyst? >Don't let a lot of >gas build up first as it is energetic. Even a bright light can initiate H >and Cl combining. Thanks! Keith >Kirk > >-----Original Message----- >From: Keith Addison [mailto:[EMAIL PROTECTED] >Sent: Saturday, November 02, 2002 10:56 PM >To: biofuel@yahoogroups.com >Subject: [biofuel] Salt and NaOH > > >Dunno if you remember this, on making NaOH from table salt. >http://cator.hsc.edu/~kmd/caveman/projects/chloralkali/slideshow/index.html > >You end up with hydrogen and chlorine, which I guess you could turn >into hydrochloric acid, not sure quite how though (nor how to >concentrate it after that). Anyone have any ideas on that? > >I was thinking you could use HCl instead of phosphoric to neutralize >the glycerin layer, as here: >http://journeytoforever.org/biodiesel_glycsep.html >Separating glycerine/FFAs > >You'd end up with more table salt - sodium chloride instead of sodium >phosphate - which you could turn into more NaOH. Does that make any >sense? This might help close the loop, and phosphoric is expensive. >Traditionally soapstock is acidulated with strong sulphuric acid, but >since phosphoric works just as well HCl should be okay, though I'm >not sure about safety considerations. > >I don't know if any of this works - this NaOH from salt would be wet, >I don't know if drying it would leave you with a pure enough product >(not carbonated?), but it's interesting. > >There's also this: > >"Thus an equimolar amount of calcium chloride may be directly added >to the soapstock and prompt separation of the calcium soap by >precipitation from a relatively pure saline (NaCl) solution will >ensue. Calcium soaps are useful industrial ingredients, for instance >as demoulding agents." > >More table salt. And Dubbin, quite nice. Seems to work equally well >with the glyc layer, glycerine and all. > >Keith ------------------------ Yahoo! Groups Sponsor ---------------------~--> Sell a Home for Top $ http://us.click.yahoo.com/RrPZMC/jTmEAA/jd3IAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
