Assimilable organic carbon

Hammes F, Salhi E, Koster O, Kaiser H-P, Egli T, von Gunten U (2006) Mechanistic and kinetic evaluation of organic disinfection by-product and assimilable organic carbon (AOC) formation during the ozonation of drinking water. Water Res 40 2275-2286... 

Hammes, F., Meylan, S., Salhi, E., Koster, K., Egli,T., and von Gunten, U. (2007). Formation of assimilable organic carbon (AOC) and specific natural organic matter (NOM) fractions during ozonation of phytoplankton. Water Res. 41,1447-1454. 

Assimilable organic carbon (AOC) was determined in water using flow-cytometric enumeration and a natural microbial consortium as inoculum.134 Two bacterial species were used for the measurement of AOC in water, based on their respective 16S rDNA sequences. The AOC content in 41 water samples was determined with these two sets by quantitative real-time polymerase chain reaction (qRT-PCR).135... 

Escobar, I.C. and A.A. Randall. 2000. Sample storage impact on the assimilable organic carbon (AOC) bioassay. Water Res. 34 1680-1686. 

Based on some experimental results, application of the UV/H202 system to eliminate the bromate problem appears to be worthwhile. For example, Kruithof et al. [197], while studying the optimum conditions for disinfection and pesticide removal in a drinking water treatment plant, found that in the range 0.1-2.5 kWh m-3 electric energy (with medium-pressure UV lamps) and 0-25 gm-3 H202, bromate formation was absent. The main drawback was increased assimilable organic carbon, which would necessitate the use of activated carbon filters. 

The potential for biological fouling of a membrane can be determined by considering the assimilable organic carbon (AOC). This test is a bioassay... 

Chlorine oxidizes organic molecules into smaller organic pieces. While this may help minimize fouling of the RO with larger chain organics, such as humic acids, the smaller particles are converted into assimilable organic carbon (AOC) which microbes can assimilate for growth. - " ... 

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