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Full-Text Articles in Environmental Microbiology and Microbial Ecology

Comparative Studies Of Oleaginous Fungal Strains (Mucor Circinelloides And Trichoderma Reesei) For Effective Wastewater Treatment And Bio-Oil Production, Anshuman Bhanja, Gauri P. Minde, Sandip S. Magdum, Kalyanraman V. Nov 2014

Comparative Studies Of Oleaginous Fungal Strains (Mucor Circinelloides And Trichoderma Reesei) For Effective Wastewater Treatment And Bio-Oil Production, Anshuman Bhanja, Gauri P. Minde, Sandip S. Magdum, Kalyanraman V.

Sandip S. Magdum

Biological wastewater treatment typically requires the use of bacteria for degradation of carbonaceous and nitrogenous compounds present in wastewater. The high lipid containing biomass can be used to extract oil and the contents can be termed as bio-oil (or biodiesel or myco-diesel after transesterification). The separate experiments were conducted on actual wastewater samples with 5% v/v inoculum of Mucor circinelloides MTCC1297 and Trichoderma reesei NCIM992 strains. The observed reductions in chemical oxygen demand (COD) were 88.72% and 86.75% in 96 hrs and the observed substrate based biomass yields were 0.21 mg VSS/mg COD and 0.22 mg VSS/mg COD for M. …


An Efficient Biotreatment Process For Polyvinyl Alcohol Containing Textile Wastewater, Sandip S. Magdum, Gauri P. Minde, Upendra S. Adhyapak, Kalyanraman V. Jan 2013

An Efficient Biotreatment Process For Polyvinyl Alcohol Containing Textile Wastewater, Sandip S. Magdum, Gauri P. Minde, Upendra S. Adhyapak, Kalyanraman V.

Sandip S. Magdum

The aim of this work was to optimize the biodegradation of polyvinyl alcohol (PVA) containing actual textile wastewater for a sustainable treatment solution. The isolated microbial consortia of effective PVA degrader namely Candida Sp. and Pseudomonas Sp., which were responsible for symbiotic degradation of chemical oxidation demand (COD) and PVA from desizing wastewater. In the process optimization, the maximum aeration was essential to achieve a high degradation rate, where as stirring enhances further degradation and foam control. Batch experiments concluded with the need of 16 lpm/l and 150 rpm of air and stirring speed respectively for high rate of COD …


Development Of A Novel Inoculum Preparation Method For Solid-State Fermentation - Cellophane Film Culture (Cfc) Technique, Teck Nam Ang, Gek Cheng Ngoh, Adeline Seak May Chua Jan 2013

Development Of A Novel Inoculum Preparation Method For Solid-State Fermentation - Cellophane Film Culture (Cfc) Technique, Teck Nam Ang, Gek Cheng Ngoh, Adeline Seak May Chua

Teck Nam Ang Dr.

This study reports a user-friendly technique in the preparation of fungal inoculum intended for solid-state fermentation (SSF) – Cellophane Film Culture (CFC) technique. This technique uses cellophane film-overlaid agar plates to facilitate the separation of fungal biomass. The findings showed that inoculum of P. sajor-caju produced is viable, and it was confirmed by the presence of laccase enzyme activity in SSF of rice husk. The correlation between fungal dry and wet weights (r2 = 0.9329) provides an accurate estimation of fungal dry weight from its wet weight during inoculum preparation. Besides, this technique does not require a strict sterile handling …