AD of human waste has been common in many countries for years but increasing energy costs now drive efficiency. Sewage processors are large energy users and AD can offset and help manage this.
By Geotech based in Leamington Spa, UNITED KINGDOM.
Protea was asked to supply a high level ammonia (NH3) measurement system for a waste water treatment plant. The reflux drums at the inlet to two ammonia stripping towers needed to be measured continuously. Protea designed a solution based around our Solus TDLAS analyser platform and a high level dilution system. The Solus analyser was configured for NH3 measurements in the range 0-500ppm. A dilution system incorporating special dilution probe and 19` control panel was installed before the analyser. This gave a dilution level of 600:1, enabling the NH3 analyser to measure in the range 0-30% Volume.
By Protea Limited based in Middlewich, UNITED KINGDOM.
Measurement of Fats, Oils and Grease (FOG) in waste water is a crucial parameter in water quality control and environmental monitoring performed by water suppliers’ laboratories and environmental authorities; the contamination builds up in the sewerage system and will eventually lead to blockages. Typically the waste water is analysed by first passing a large volume through a filter then selectively determining the grease build-up on the dried filter by an analytical method.
By Oxford Instruments plc based in Abingdon, UNITED KINGDOM.
Mercury determination in natural, surface, sea, drinking, bottled, mineral, and waste water by cvaas
Mercury determination in natural, drinking, and waste waters is one of the most popular analyses used for environment pollution and sanitary control. Background concentrations of mercury in natural water are within several ng/l. Maximum national permissible levels for mercury in water lie in the range of 0.16–6 µg/l. For example, the following limits for mercury in drinking water are set, µg/l:
0.5 – Japan, Russia;
1 – Argentina, Australia, Brazil, China, EC;
2 – US EPA, US FDA;
6 – WHO.
By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).
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