Advances in Bioprocess Technology by Pogaku Ravindra

By Pogaku Ravindra

This booklet offers an in depth evaluation of the newest study in environmentally benign built-in bioprocess know-how. The innovative bioprocess applied sciences highlighted within the ebook contain bioenergy from lignocellulose fabrics, biomass gasification, ethanol, butanol, biodiesel from agro waste, enzymatic bioprocess expertise, nutrition fermentation with starter cultures, and highbrow estate rights for bioprocesses.

This ebook additional addresses area of interest applied sciences in bioprocesses that broadens readers’ realizing of downstream processing for bio items and membrane know-how for bioprocesses. the newest advancements in biomass and bioenergy expertise are reviewed exhaustively, together with IPR rights, nanotechnology for bioenergy items, biomass gasification, and biomass combustion.

This is a perfect booklet for scientists, engineers, scholars, in addition to contributors of and policy-makers.

This booklet also:

  • Addresses state-of-the-art applied sciences in bioprocesses
  • Broadens readers’ figuring out of metabolic engineering, downstream processing for bioproducts, and membrane know-how for bioprocesses
  • Reviews exhaustively the newest advancements in biomass and bioenergy know-how, together with nanotechnology for bioenergy items, biomass gasification, biomass combustion, and more

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Mason, L. , & Rice, N. M. (2002). The adaptation of Acidothiobacillus ferrooxidans for the treatment of nickel-iron sulfide concentrates. Minerals Engineering, 15, 759–808. Mehta, K. , Pandey, B. , & Premchand. (1999). Bio-assisted leaching of copper, nickel and cobalt from converter slag. Materials Transactions, JIM, 40(3), 214–221. Mehta, K. , Pandey, B. , & Premchand. (1997). Bioleaching of copper, nickel and cobalt from copper converter slag by Acidothiobacillus ferrooxidans. NML Technical Journal, 39, 59–70.

At the end of sixth subculture, Tox could not be achieved even after 11 days of incubation. The efficiency of oxidation decreased with increased time period of adaptation. After nine subcultures, Tf strains failed to utilize synthetic ferrous sulfate. The loss of ferrous oxidizing ability of adapted strains indicates the efficacy of adaptation of bacterial cells to the new environment as observed by Selvi et al. (1998). 22 P. Ravindra et al. a 9 8 7 6 Fe2+ (g/L) 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 Time (days) Tf-unadptedl" Ni-20g/l Cu-20g/l Ni,Cu-20g/l b 9 8 7 6 Fe2+(g/L) 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 Time (days) Tf-unadapted Fig.

But, application in nickel extraction from ore wastes and lower grade nickel sulfide resources is sparse (Bharathi et al. 2000, 2002; Acevado 2002). Hence, the need to improve the bacterial growth rates and enhance the efficiency of Tf strains to achieve better yields of nickel during leaching process should be focused (Bharathi et al. 2004). Though the technique of adaptation of Tf prior to leaching is attractive, much attention has not been paid by researchers regarding ferrous oxidation ability and selective leaching of nickel by adapted cells of Tf.

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