online ISSN:2312-3389 print ISSN:2312-3370 DOI:10.15407/agrisp

Archive

Archive of Agricultural Science and Practice Journal issues

List of all issues / Content of issue 2019-2 / Abstract & References of Article 7
https://doi.org/10.15407/agrisp6.02.076
ENERGY EFFICIENCY RESEARCH OF FERMENTATION MEDIUM AGITATION IN MANUFACTURING OF MICROBIOLOGICAL PLANT PROTECTION PRODUCTS
V. P. Yaroshevsky

Engineering and Technological Institute «Biotechnica» NAAS 67667, Odesa Region, Biliaivka District, Hlibodarske, Maiatska dor., 26

E-mail: wladscience@gmail.com

Received December 28, 2018 / Received March 29, 2019 / Accepted July 19 , 2019
Abstract
Aim. The main aim of the research was to compare different methods of fermentation medium energy effi ciency agitation. Methods. The analysis of mass transfer processes in fermenters using different methods of agitation was made. Experimental determination of energy consumption for medium agitation while using a mechanical agitator and an external circulation loop was realized. Estimation of energy effi ciency indices. Results. It was determined that energy effi ciency of agitation by circulation during the cycle of bacterial preparation Planriz BT (Biotechnica) exceeded mechanical agitation 1.3 times in case of aeration, and 2.6 times in the non-aeration mode. Conclusions. The method of agitation by circulation of fermentation medium using an external loop is more energy-effi cient compared to mechanical agitation even in the case of using a slow-speed agitator.
Key words:energy effi ciency, fermentation medium, agitation, intensity, circulation, fermenter.
References

1. Yaroshevsky VP. Enhancing energy effi ciency of thinwalled fermentation complexes. Inzhenerno-tekhnolohichni innovatsii u vyrobnytstvi entomolohichnykh ta mikrobiolohichnykh zasobiv zakhystu roslyn. Odesa: PE Feniks, 2017;6.5:175-89 (in Ukrainian).

2. Yaroshevsky VP, Osypenko TM. Evaluating energy ef- fi ciency of technological processes of industrial production of microbiological plant protection preparations: Materials of the International scientifi c practical conference dedicated to the 100th anniversary of NAAS of Ukraine. Biological method of plant protection: achievements and perspectives. Odesa: PE Feniks, 2018: 373-80 (in Ukrainian).

3. Bespalov IM, Hodorchuk VJa. Assessment of initial stock of soft summer wheat on parameters of quality of grain in conditions of Forest-steppe. Bull. Agric. Sci. 2017;(1):38-42. doi: 10.31073/agrovisnyk201701-07.

4. Stockill D. Energy effi ciency in the process industries. A user-guide to sustainable energy effi ciency. Emerson, 2014:132 p.

5. Albaek MO, Gernaey KV, Hansen MS, Stocks SM. Evaluation of the energy effi ciency of enzyme fermentation by mechanistic modeling. Biotechnol Bioeng., 2012;109(4):950-61. doi: 10.1002/bit.24364.

6. Stoian D, Eshtiaghi N, Wu J, Parthasarathy R. Enhancing impeller power effi ciency and solid-liquid mass transfer in an agitated vessel with dual impeller through process intensifi cation. Ind. Eng. Chem. Res., 2017;56(24):7021-36. doi: 10.1021/acs.iecr.7b00435.

7. Ameur H. Energy effi ciency of different impellers in stirred tank reactors. Energy., 2015;93(P2):1980-8. doi: 10.1016/j.energy.2015.10.084.

8. Davoody M, Abdul Raman AA, Parthasarathy R. Agitation energy effi ciency in gas-solid-liquid stirred vessels operating at ultra-high solids concentrations. Chem. Eng. Res. Des., 2016;111:34-48. doi: 10.1016/j. cherd.2016.04.009.

9. Warmeling H, Behr A, Vorholt AJ. Jet loop reactors as a versatile reactor set up - intensifying catalytic reactions: A review. Chem. Eng. Sci., 2016;149:229-48. doi: 10.1016/j.ces.2016.04.032.

10. Zaidi A, Ghosh P, Schumpe A, Deckwer WD. Xanthan production in a plunging jet reactor. Appl. Microbiol. Biotechnol., 1991;35(3):330-33. doi: 10.1007/BF00172721.

11. Blenke H. Loop reactors. Advan. Biochem. Engineer., 2005;13:121-214. doi: 10.1007/3540094687_8.

12. Sokolov VM, Yablokova MA. Equipment of microbiological industry. L.: Mashinostroenie. 1988:278 p. (in Russian).

13. Krutyakova VI. Modular type fermentation complex MFC-420. Agrarna nauka - vyrobnytstvu. 2015;(4):26.

14. Divisi D, Di Leonardo G, Zaccagna G, Crisci R. Basic statistics with Microsoft Excel: a review. J. Thorac. Dis., 2017;9(6):1734-40. doi: 10.21037/jtd.2017.05.81.

15. Tascheev Y. Energy effi ciency: renewable and nonrenewable energy. Socio-Economic Research Bulletin. 2015;2(57):169-77.

16. Strenk F. Agitation and equipment with agitators. L.: Khimia, 1975:384 p. (in Russian).

17. Kars-Jordan F, Hiltunen P. Agitation Handbook. Stockholm, KTH Industrial Engineering and Management. 2007:90 p.

18. McDonough RJ. Agitation in fermenters and bioreactors. Handbook of downstream. 1997:357-416. doi: 10.1007/ 978-94-009-1563-3.

19. Braginsky LN, Begachev VI, Barabash VM. Agitation in liquid media: Physical fundamentals and engineering methods of calculations. L.: Khimia. 1984:336 p. (in Russian).