Enhanced sludge solubilization and dewaterability by synergistic effects of nitrite and freezing
In this study, nitrite was added into sludge during freezing process to evaluate its role in
waste activated sludge (WAS) solubilization and effect on sludge dewatering characteristics …
waste activated sludge (WAS) solubilization and effect on sludge dewatering characteristics …
Freezing/thawing effects on anaerobic digestion of mixed sewage sludge
This study examined the effects of freezing/thawing disintegration on the characteristics of
mixed (primary and waste) sewage sludge from municipal wastewater treatment plants. It …
mixed (primary and waste) sewage sludge from municipal wastewater treatment plants. It …
Salinity effect on mechanical dewatering of sludge with and without chemical conditioning
The salinity levels of wastewater and sludge are relatively high in some coastal cities as they
may use saline water for toilet flushing, and as such, the sludge dewaterability can be …
may use saline water for toilet flushing, and as such, the sludge dewaterability can be …
Separation of oil from oily sludge by freezing and thawing
This communication reports for the first time the feasibility of employing freeze/thaw method
to separate oil from an oily sludge. The freeze/thawed sludge comprises three distinct layers …
to separate oil from an oily sludge. The freeze/thawed sludge comprises three distinct layers …
Effect of dissolved organic material and cations on freeze-thaw conditioning of activated and alum sludges
Freeze-thaw conditioning effectively dewaters alum and activated sludges, but it works
better on alum sludge than it does on activated sludge. The main difference between alum …
better on alum sludge than it does on activated sludge. The main difference between alum …
Improved sludge dewaterability by tannic acid conditioning: temperature, thermodynamics and mechanism studies
Waste activated sludge (WAS), containing biological pathogens, chemical elements and
high moisture (> 99%), was generated continually from municipal sewage treatment plants …
high moisture (> 99%), was generated continually from municipal sewage treatment plants …
Reduction of microbial density level in wastewater activated sludge via freezing and thawing
This note has employed a freeze/thaw method for treating activated sludge, with especial
attention for the reduction capability of microbial density. The sludge dewaterability is most …
attention for the reduction capability of microbial density. The sludge dewaterability is most …
Revealing the underlying mechanisms of how initial pH affects waste activated sludge solubilization and dewaterability in freezing and thawing process
In this study, the effect of initial pH ranging from 3 to 11 on waste activated sludge
solubilization and dewaterability in the freezing and thawing (F/T) process was investigated …
solubilization and dewaterability in the freezing and thawing (F/T) process was investigated …
Influence of dissolved solids on the mechanism of freeze–thaw conditioning
CJ Martel - Water research, 2000 - Elsevier
The purpose of this experiment was to investigate the effect of dissolved solids on the size of
aggregated particles produced by freeze–thaw conditioning. The dissolved solids content …
aggregated particles produced by freeze–thaw conditioning. The dissolved solids content …
Optimized production of a novel bioflocculant M-C11 by Klebsiella sp. and its application in sludge dewatering
J Liu, J Ma, Y Liu, Y Yang, D Yue, H Wang - Journal of Environmental …, 2014 - Elsevier
The optimized production of a novel bioflocculant M-C11 produced by Klebsiella sp. and its
application in sludge dewatering were investigated. The optimal medium carbon source …
application in sludge dewatering were investigated. The optimal medium carbon source …