Treatment of canola-oil refinery effluent using electrochemical methods: A comparison between combined electrocoagulation + electrooxidation and electrochemical peroxidation methods

Chemosphere ◽  
2019 ◽  
Vol 221 ◽  
pp. 630-639 ◽  
Author(s):  
Swati Sharma ◽  
Halis Simsek
Our Nature ◽  
1970 ◽  
Vol 7 (1) ◽  
pp. 139-145 ◽  
Author(s):  
P.P. Baruah ◽  
B. Kakati ◽  
I. Ahmed

The present paper deals with the morpho-taxonomic account of some hitherto unknown fresh water algal species of hydrocarbon polluted refinery drains of Assam. Twenty two taxa of class Chlorophyceae, Bacillariophyceae, Euglenineae and Cyanophyceae were identified from three effluent drains of Guwahati Oil Refinery. Cyanophyceae with 11 species was the dominant algal group in the study sites and Oscillatoria was the dominant genus with 8 species.Key words: Fresh water algae, Oscillatoria, oil refinery effluent, AssamDOI: 10.3126/on.v7i1.2561Our Nature (2009) 7:139-145 


2018 ◽  
Vol 44 (2) ◽  
pp. 163-175
Author(s):  
Dhrubajyoti Bordoloh ◽  
PP Baruah

A comprehensive study was carried out to investigate phytoplankton community and water quality in the Digboi oil refinery effluent stream. Taxonomic composition, abundance, spatial distribution, temporal dynamics of phytoplankton were studied along with physicochemical properties of water based on monthly data collected from seven selected sampling stations during April, 2011 - March, 2012. Altogether 139 species (7 orders, 19 families, 67 genera) of phytoplankton were identified of which Bacillariophyceae was the dominant class with 45 species followed by Chlorophyceae 40, Cyanophyceae 34 and Euglenophyceae 20. Though distinct changes in community structure were reported, higher phytoplankton abundance revealed during the post monsoon months. Correlation analysis showed influence of phenol and total oil content (TOC) along with pH, inorganic phosphorus and nitrate content in distribution and abundance of the phytoplankton.


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