scholarly journals Surface Finishing and Environment-Waste Water Treatment. Traditional and Current Treatment Processes of Lead Containing Waste Water Issued from Surface Finishing Industries.

1997 ◽  
Vol 48 (3) ◽  
pp. 251-256
Author(s):  
Mitsuo SAITO
1982 ◽  
Vol 16 (11) ◽  
pp. 741-746 ◽  
Author(s):  
Foppe B. DeWalle ◽  
William G. Light ◽  
Edward S. K. Chian

1997 ◽  
Vol 35 (1) ◽  
pp. 41-47 ◽  
Author(s):  
M. C. M. van Loosdrecht ◽  
M. A. Pot ◽  
J. J. Heijnen

In waste water treatment processes microorganisms are subjected to a feast and famine regime. For sequencing batch processes this is often even more pronounced. Based on literature reports and own research it is hypothesized that in general microorganisms respond to these feast-famine regimes by accumulating storage polymers (polyhydroxyalkanoates) when substrate is present. The storage polymers are used for growth when the external substrate is depleted. In this manner the organisms are capable to balance their growth. A general hypothesis explaining polymer formation is developed. The advantages and disadvantages of this formation of storage polymers for the operation of SBR processes is discussed.


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