Remazol Brilliant Blue R (RBBR) is an

anthraquinone dye Anthraquinone dyes are an abundant group of dyes comprising a anthraquinone unit as the shared structural element. Anthraquinone itself is colourless, but red to blue dyes are obtained by introducing electron donor groups such as hydroxy or amino ...

used in textile industries. It is a harmful dye and can damage aquatic life and also vegetative life if the contaminated water is used for irrigation. Recent studies have suggested a biological approach to solving this problem through the use of microorganisms to degrade the dye.

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* {{cite journal , doi=10.1016/j.desal.2009.06.027 , volume=249 , issue=3 , title=Removal of Remazol Brilliant Blue R dye from aqueous solutions by adsorption onto immobilized Scenedesmus quadricauda: Equilibrium and kinetic modeling studies , journal=Desalination , pages=1308–1314 , last1 = Ergene , first1 = Aysun, year=2009 Anthraquinone dyes