Methods For Biomass Amount And Sorption
Capacity Estimation
Author(s)
V. Racys & I. Valunas
Abstract
Rising environmental standards for treated wastewater necessitate the
improvement of current wastewater treatment methods or the need to look for
new ones. Often this task is rather difficult because new or modified methods
have to be investigated thoroughly and the main parameters for process
modelling and effectiveness estimation have to be set. For instance, biomass
concentration in the biosorption method is an important technological parameter
although there is no accurate technique for its estimation. A thermal dissociation
technique to determine biomass concentration was developed as an alternative to
the standard volatile suspended solids (VSS) method.
Another important technological parameter in adsorption or biosorption
processes is the sorption capacity of the sorbent. A simple technique was
developed for the estimation of this parameter. The sorption capacity of the
sorbent can be estimated using red formazane – a large-sized molecule
compound–spirit solution. The results obtained show that this technique was
quicker, simpler and more accurate than the standard procedure.
Keywords: biosorption, stable organic compounds, biomass, sorption capacity,
technological control.
1 Introduction
One of the main technological parameters for the biological waste water
treatment process control is the biomass amount variation during process time
span. Biomass concentration is important for the technological calculations of
the system, estimation of the oxidation potential and for the evaluation of
biomass growth in accordance to decomposed pollutants, etc. Media of different
types used in complex biological waste water treatment processes films over
Keywords
biosorption, stable organic compounds, biomass, sorption capacity,
technological control.
Related Book
Other papers in this volume
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