janczek at aol.com (JanCzek) wrote:
>> ON-LINE BOD/TOXICITY MONITOR
>> Columbus Instruments' new On-Line Respirometer utilizes a patented
> principle of
> measuring oxygen consumption in gaseous stage in the head space of the bio
> reactor instead of immersed DO (dissolved oxygen) probes utilized in most
> other designs. .......
N-CON Systems Co. also makes an on-line toxicity monitor. It is call
the BIOSCAN. The biological filter rotates to maintain a constant biofilm
that consumes oxygen. We then measure the dissolved oxygen to see how
happy the "bugs" are. No headspace gas to fuss with. Simple and reliable.
For more information come to www.n-con.com
Best Regards, Steven Wooten