From: Judy Seigel (jseigel@panix.com)
Date: 05/19/01-05:50:43 PM Z
On Sat, 19 May 2001 Smieglitz@aol.com wrote:
> Several years ago I read an article on the web (RIT site ?) about disposal of
> dichromate waste. The article basically gave similar advice about converting
> hexavalent chromium to the trivalent form and then pouring the waste water
> into a bucket containing kitty litter, where the water is left to percolate
> through or evaporate and the chromium binds to the clay. The soil is later
> taken to a waste handler for disposal. Sounded good to me. Probably a good
> way to manage the waste unless you are dumping 91,213 pounds of chromium
> waste per day. I think I went through about 50 grams last year...
But I have read (either on this list or from authorities "met" on this
list), assurances that our process leaves the dichromate in its TRIVALENT
form already. Which is (some of) what I mean about lack of confidence in
"advice" given.
Judy
This archive was generated by hypermail 2b30 : 07/12/01-11:29:40 AM Z CST