By Inga Zinicovscaia, Liliana Cepoi
This e-book displays using cyanobacteria for the bioremediation of wastewater via varied mechanisms and pathways of transformation and move of damaging components from one medium to a different. the appliance of microorganisms for bioremediation relies on their ubiquity, small measurement, excessive fee of copy and big surface-to-volume mobile ratio. Mechanisms of interplay of cyanobacteria with inorganic toxins contain biosorption, bioaccumulation with a chance to procure steel nanoparticles either at the telephone floor and contained in the cells in addition to chelation and inclusion of metals within the composition of sure natural constructions. facts provided within the ebook presents experts within the box with important details for bioremediation applied sciences in addition to for acquiring useful arrangements utilizing cyanobacteria.
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Extra info for Cyanobacteria for Bioremediation of Wastewaters
Gonzalez C, Marciniak J, Villaverde S, Garcia–Encina P, Muñoz R (2008) Microalgae – based processes for the biodegradation of pretreated piggery wastewaters. Appl Microbiol Biotechnol 80:891–898 González R, García-Balboa C, Rouco M, Lopez-Rodas V, Costas E (2012) Adaptation of microalgae to lindane: a new approach for bioremediation. Aquat Toxicol 109:25–32 Grönlund E (2004) Microalgae at wastewater pond treatment in cold climate: an ecological engineering approach. Doctoral thesis, 25 p Huang X, Lessner L, Carpenter DO (2006) Exposure to persistent organic pollutants and hypertensive disease.
A large amount of detergents are introduced in sewage water. They come into industrial effluents after use in flotation ore processing, depletion of the products in chemical technologies, obtaining of polymers, improvement of oil and natural gas drilling, prevention of corrosion. Many of a forementioned organic substances like chlorinated aliphatic carbohydrates, and especially polycyclic aromatic carbohydrates, possess transforming abilities and able to cause cancer, malformations or mutations.
After 10–15 days of cultivation in all media the amount of NH4+ ion was completely reduced. On the 20th day the concentration of ammonium ion tended to increase due to the process of biomass spoilage. In the control samples the reduction of the content of ammonium ions took place gradually until the 20th day, with the exception of the sample with 15 % of wastewater. 03 mg/L on the 20th day of exposure. From the obtained results, we concluded that the highest reduction of NH4+ ion concentration by Synechocystis salina algae occured on the medium with 20 % of wastewater while in samples with 10 and 15 % of wastewater the assimilation of ammonium ions was slower.