Isolation, screening and identification of cyanobacteria and its uses in bioremediation of industrial effluents and chromium sorption

Abstract

Blue Green Algae are Prokaryotic, Oxygenic photosynthetic, Autotrophic and some of them are able to fix atmospheric nitrogen. Cyanobacteria used in aquaculture, wastewater treatment, food, fertilizers. Its play an important role in maintainance and build-up of soil fertility, consequently increasing cereals growth and yield as a natural biofertilizer. In the present study, total 25 water sample were taken from of various ponds, lakes and rivers in valsad, vapi and surat region. A total of 8 cyanobacteria among 25 sample were isolated. Cyanobacteria grows well on algal culture broth and urea broth. The incubation period taken was 15-20 days for the growth of the cyanobacteria by using light energy. In microscopic examination cyanobacterial strain like oscillatoriasps, Nostocsps, Anabaena sps, ,Gloeocapsasps, PlectonemaspsandGloeothecespsetc were identified. The isolated cyanobacteria were used for further study of bioremediation of waste water and chromium sorption.