WEF Discussion Forums : Biological Nutrient Removal : In-Process Nitrate Analyzer (Probe)

Thu, 27 May 2010 17:47:42 GMT

Hi everyone,

We are considering adding an in-process nitrate probe to our treatment process. Any suggestions? We have researched the HACH products. We have to "go out to bid" due to the cost of these systems, so I need some other manufacturers.

Thanks for any info.

Ann M.

Fri, 28 May 2010 20:48:54 GMT

This is more than a nitrate analyzer, Applied Spectrometry Associates Inc. "Chem Scan"

Fri, 25 Jun 2010 18:37:08 GMT

The ChemScan or equal is what is named in our spec book. Has anyone seen one of these work?

Mon, 05 Jul 2010 16:26:51 GMT

You might consider Biochem - some of my customers have had good luck with them.

Wed, 04 May 2011 12:18:54 GMT

You don't need a Chemscan unit to give you the data that you want. Hach and Endress+Hauser both have combination insitu probes that measure ammonia and nitrate. The both work equally well and are accurate enough for process control. None are "maintenance free" but much less maintenance and lower capital cost when compared to Chemscan.

Tue, 28 Jun 2011 21:07:38 GMT

We have ChemScan and have been very reliable. They also do ammonia and phosphorus, that is where the real value is. The Hach optical nitrate meter is simple and cheap if that is all you want.

Thu, 30 Jun 2011 14:00:40 GMT

Hey, good to find someone who ageres with me. GMTA.

Mon, 27 Feb 2012 13:59:26 GMT

Good Morning; During the September flood which devastated our WWTP, our AlkaPro system was destroyed. Since the AlkaPro is no longer manufactured, we are trying to find a suitable equivalent, specifically looking for on-line, real time alkalinity and ammonia nitrogen analyses. Thanks for any suggestions.

Wed, 06 Jun 2012 15:17:16 GMT

YSI also offers sensors to measure nitrate in situ as part of their IQ SensorNet system.