Common issues of the gasification systems relate to filtering apparatus. Dry filtering processes are simple and reliable. However,
the filtering material defines the maximum and minimum temperature at which the filter can operate properly. In addition, dry
filtration is not effective on light tar compounds (i.e. benzene and toluene) or ammonia compounds. On the other hand, despite
being very efficient, wet filters drop the gas temperature below the line of condensation of tar, ammonia and steam. The resulting
condensate is normally disposed at a high cost on account of the high amount of hydrocarbons it contains. This work investigates
the effects of a specific micro-algae growth on the waste-water from a syngas water scrubber. The results demonstrated the
capability of the algal growth in the tar-contaminated water in which a certain amount of contaminants have been dissolved.
Quantitative analyses of the compounds outlined the effect of algal growth on the reduction of several chemical species derived
from the syngas filtration.