Optimisation of chemical dosage to dissolved air flotation tank

M. Ramanand Bhat; Vinayak Kulkarni; Roopali S. Hiremath

Optimisation of chemical dosage to dissolved air flotation tank

M. Ramanand Bhat^*
, Vinayak Kulkarni
, Roopali S. Hiremath

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Recovery of free emulsified oil from the wastewater is an important process of Waste Water Treatment Plant (WWTP) in a refinery. This is done in sub-unit called Dissolved Air Flotation tank (DAF). In this unit the sulfides, Phenols and Heavy metal ions are also removed by the addition of chemicals like H₂O₂ (Oxidation of Mercaptans), NaOH and H₂SO₄ (Adjustment pf pH) and Polyelectrolyte (De-emulsifier) etc. The optimal dosage of above chemicals for the performance of DAF of a refinery is studied with the variation of pH, concentration of H20 and Poly-electrolyte.

Original language	English
Pages (from-to)	63-68
Number of pages	6
Journal	Journal of Industrial Pollution Control
Volume	19
Issue number	1
Publication status	Published - 2003

All Science Journal Classification (ASJC) codes

Water Science and Technology
Ocean Engineering
Pollution
Fluid Flow and Transfer Processes
Atmospheric Science

Cite this

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year = "2003",

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AU - Bhat, M. Ramanand

AU - Kulkarni, Vinayak

AU - Hiremath, Roopali S.

PY - 2003

Y1 - 2003

N2 - Recovery of free emulsified oil from the wastewater is an important process of Waste Water Treatment Plant (WWTP) in a refinery. This is done in sub-unit called Dissolved Air Flotation tank (DAF). In this unit the sulfides, Phenols and Heavy metal ions are also removed by the addition of chemicals like H2O2 (Oxidation of Mercaptans), NaOH and H2SO4 (Adjustment pf pH) and Polyelectrolyte (De-emulsifier) etc. The optimal dosage of above chemicals for the performance of DAF of a refinery is studied with the variation of pH, concentration of H20 and Poly-electrolyte.

AB - Recovery of free emulsified oil from the wastewater is an important process of Waste Water Treatment Plant (WWTP) in a refinery. This is done in sub-unit called Dissolved Air Flotation tank (DAF). In this unit the sulfides, Phenols and Heavy metal ions are also removed by the addition of chemicals like H2O2 (Oxidation of Mercaptans), NaOH and H2SO4 (Adjustment pf pH) and Polyelectrolyte (De-emulsifier) etc. The optimal dosage of above chemicals for the performance of DAF of a refinery is studied with the variation of pH, concentration of H20 and Poly-electrolyte.

UR - https://www.scopus.com/pages/publications/0042509902

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M3 - Article

AN - SCOPUS:0042509902

SN - 0970-2083

VL - 19

SP - 63

EP - 68

JO - Journal of Industrial Pollution Control

JF - Journal of Industrial Pollution Control

IS - 1

ER -

Optimisation of chemical dosage to dissolved air flotation tank

Abstract

All Science Journal Classification (ASJC) codes

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