alexa Enhancement of bioseparation and dewaterability of domestic wastewater sludge by fungal treated dewatered sludge.
Environmental Sciences

Environmental Sciences

Journal of Bioremediation & Biodegradation

Author(s): FakhrulRazi A, Molla AH

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Abstract A promising biological, sustainable, non-hazardous, safe and environmental friendly management and disposal technique of domestic wastewater sludge is global expectation. Fungal entrapped biosolids as a result of prior fungal treated raw wastewater sludge was recycled to evaluate its performance as inoculum for bioseparation/bioconversion of supplemented sludge in view of continuous as well as scale up wastewater sludge treatment. Encouraging results were achieved in bioseparation of suspended solids and in dewaterability/filterability of treated domestic wastewater sludge. Fungal entrapped biosolids offered 98\% removal of total suspended solids (TSS) in supplemented sludge treatment at 6-day without nutrient (wheat flour, WF) supply. Consequently, 99\% removal of turbidity and 87\% removal of chemical oxygen demand (COD) were achieved in supernatant of treated sludge. The lowest value (1.75 x 10(12)m/kg) of specific resistance to filtration (SRF) was observed at 6-day after treatment, which was equivalent to the 70\% decrease of SRF. The all results except SRF were not influenced further in treatments accompanied with WF supplementation. The present treatments offered significant (P
  • DOI: 10.1016/j.jhazmat.2007.01.060
  • This article was published in J Hazard Mater and referenced in Journal of Bioremediation & Biodegradation

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