bleached kraft mill effluents
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Effects of primary- and secondary-treated bleached kraft mill effluents on the immune system and physiological parameters of roach

2000 ◽  
Vol 51 (1) ◽  
pp. 55-67 ◽  
Author(s):  
T.M. Aaltonen ◽  
E.I. Jokinen ◽  
J. Lappivaara ◽  
S.E. Markkula ◽  
H.M. Salo ◽  
...  
Keyword(s):  
Immune System ◽  
Physiological Parameters ◽  
Kraft Mill ◽  
Bleached Kraft Mill Effluents

Treatment of chlorinated organics in bleached kraft mill effluents by activated sludge process

1997 ◽  
Vol 36 (2-3) ◽  
pp. 147-150
Author(s):  
Selale Ataberk ◽  
Celal F. Gökçay
Keyword(s):  
Carbon Source ◽  
Activated Sludge ◽  
Removal Efficiency ◽  
Pulp Mill ◽  
Removal Mechanism ◽  
Annual Plants ◽  
Bleached Kraft Pulp ◽  
Solids Retention ◽  
Bleached Kraft Mill Effluents ◽  
Aox Removal

Combined effluents from a bleached Kraft pulp mill using annual plants were treated in a lab-scale activated sludge (AS) system. The effects of operating solids retention time (SRT) and concentration of additional carbon source on AOX removal were investigated. Higher AOX removals (30%) were observed with long SRTs, 99% of which was pure metabolization. As SRT was decreased AOX removal efficiency also decreased (4%) and principal AOX removal mechanism changed to adsorption onto wasted biomass. The AOX removal efficiency was lower (10%) on a 20% decrease in the supplemental carbon source, with no apparent effect on the removal mechanism.

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