CSIR-Central Leather Research Institute
Dr.V. Sivakumar
Principal Scientist
Academic Qualifications
    M.Tech., Ph.D ( Leather Technology) Anna University
Contact Details
Dr.V. Sivakumar
Principal Scientist
Honorary Faculty, Anna University
Chemical Engineering
CSIR-Central Leather Research Institute
Adyar, Chennai – 600 020
e-mail: vsiva1@rediffmail.com,
Phone:+91-44-24916706


Dr V Sivakumar Significiant Contributions

Qualification
 

M.Tech., Ph.D ( Leather Technology) Anna Universit

Area of interests
 
  • Sonochemistry
  • Augmentation techniques in Leather processing
  • Ultrasound application to Leather processing
  • Leather Auxiliaries preparation and Biological wastewater treatment and Diffusion phenomena in leather processing.
Topic of Ph.D Thesis
  Topic of Ph.D Thesis "Studies on the Application of Power Ultrasound in Leather Processing" under the Guidance of Dr.P.G.Rao, former Director, North East Institute of Science and Technology, Jorhat, Assam and Co-Guidance of Dr.T.Ramasami, former Secretary, Department of Science and Technology, New Delhi.
Topic of M.Tech Project
  "Eco-Labelling in Leather Processing" under the Guidance of Dr.C.Muralidharan, Deputy Director, CLRI

Significant Contributions and Projects Handled
  • Detailed studies on ultrasound assisted leather processing
    • 20 International and 1 National publication in Peer-reviewed journals
  • Application of power ultrasound in leather processing: An Eco-friendly approach
    • 1 International publication
  • Detailed studies on ultrasound application in leather dyeing
    • 6 International publications
    • 1 Patent filed
  • Ultrasound application in Fatliquoring process
    • 1 International publication
    • 1 National publication
  • Ultrasound application in Retanning process
    • 1 International publication
  • Diffusion phenomena in leather processing and Influence of ultrasound
    • 1 International publication
  • Influence of ultrasound in soaking and liming process
    • 1 International publication
  • Diffusion phenomena in leather processing
    • International publication
  • Better degreasing in aqueous way with ultrasound
    • 1 International publication
  • Diffusion rate enhancement in vegetable tanning through ultrasound
    • 1 International publication
  • Scientific Mass Balance approach for pre-tanning operations
    • 1 National publication
  • Application of ultrasound in solid-liquid (tannin) extraction processes
    • 3 International publications
  • Non-conventional method of Fatliquor emulsion preparation using ultrasound
    • 1 International publication
  • Natural dye Extraction and Natural dyeing of leather with ultrasound
    • 2 International publication
  • Influence of ultrasound in enzymatic processes in leather processing
    • 1 National publication
  • Investigation on ultrasound application to better chrome recovery
    • 1 National publication
  • Ultrasound assisted preparation of Nano composites
    • 1 International publication
  • Ultrasound assisted dye adsorption process using leather solid wastes
    • 1 International publication
  • Studies on ultrasound application to biological tannery effluent treatment
  • Electro-sonication treatment of organic pollutants in tannery wastewater
    • 1 International publication
  • Eco-friendly Sulfide free unhairing using carbonates
    • 1 National publication
    • 1 Patent granted
  • Recycle of pickle liquor for TDS reduction
    • 1 International publication
  • Alum-Pickling and chrome tanning for better management of TDS
  • Pickle free high exhaust chrome tanning through process innovation
    • 1 International publication
  • CLRI-AISHTMA project for cleaner practices in Tanneries of Tamil Nadu
  • Use of Ozone for raw skin preservation
    • 1 International publication
  • Use of Ozone for tannery effluent treatment
    • 1 International publication
  • Application of Titanium-Chromium combination tanning system for upper leather
    • 1 International publication
  • Ultrasound assisted reinforcement in Nano composites making
    • 1 Publication
    • 1 Patent (applied)
  • Ammonia free deliming based on natural products
    • 1 Patent filed
  • Low salt preservation based on natural products
    • 1 Patent filed

Prospective Students

M.Tech/PhD candidates of Leather, chemical and Bio sciences may contact for the project.

Publications and Patents
  •  
    • More than 40 publications in Peer-reviewed valued Journals
    • More than 230 citations for publications
    • Filed 6 patents (Granted 2)
    • 15 Articles in Conference proceedings including IULTCS.

Fellowships / Visits abroad

  •  
    • CSIR-DAAD Exchange of Scientists Programme 2010 (for 2 Months) at Institut für Verbundwerkstoffe GmbH (IVW), Technische Universität Kaiserslautern, Germany on the topic “Ultrasound assisted preparation of Nano composites” with Dr. Thomas Burkhart, Head, Materials Science, IVW; published a paper:

      V. Sivakumar, T. Burkhart, L. Sorochynska, B. Bittmann and AB. Mandal, Power ultrasound assisted in-situ reinforcement of nano-composite from ε-Caprolactam/TiO2,Polymer-Plastics Technology and Engineering, Vol. 51, pp.487-492, 2012.(IF-1.279)

Skill development

  •  
    • Attended COMFAR III Training programme on Software related to Financial analysis for Projects organized by UNIDO, Chennai during 15-19, December, 2008
    • Attended Safety audit Training programme at RLI, Chennai
    • IPMA (International Project Management Association) LEVEL D PROJECT MANANGEMENT CERITIFIED PROFESSIONAL “IPMA-D”.

Projects

  •  
    • Awarded CSIR EMPOWER Project Rs. 10.4 lacs for the year 2010-2012
    • Principal investigator in XIIth plan projects of CSIR-CLRI STRAIT and ZERIS

Teaching and Training

  • Teaching and Training: Handling B. Tech classes on the subjects,
  • Principles of unit operations and unit processes for leather and leather chemicals manufacture
  • Leather Process Economics
  • Teaching also for Part time B. Tech
Consultancy Projects Handled
  • Field survey of Tanneries in Tamil Nadu for Testing and Process Development in Ambur (80 units) and Ranipet (84 units).
    • 1 International publications
    • 1 Consultancy project report submitted
  • Techno Economic Feasibility Report (TEFR) preparation on setting up of quality testing and service center for cluster of tanneries at Ambur and Ranipet.
    • 1 Consultancy project report submitted
    • Played a key role in establishment of Leather Testing Labs at Ambur and Ranipet through TEFR’s prepared for the benefit of the Leather Industry
  • Techno Economic Feasibility Report for setting up of Applied Research & Development, Quality Control And Training Center For Huan Bao Tannery Owners’ Council At CLC, Kolkata
    • 1 Consultancy project report submitted
Human Resource Development and Training
  • M.Tech projects guided: 3
  • M. Sc projects guided : 1
  • B.Tech projects guided: 17; Students:41
  • In-plant training guided: 5 students
  • CSIR Internship fellow guided: 1
List of Peer- Reviewed Publications
International Journals
  1. V. Sivakumar*, S. Ilanhtiraiyan, K. Ilayaraja, A. Ashly and S. Hariharan, Influence of ultrasound on Avaram bark (Cassia Auriculata) tannin extraction and tanning, Chem. Eng. Res. Des., Vol. 92(10), pp. 1827-1833, 2014..
  2. V. Sivakumar*, A. Jena, K. Gupta and A.B. Mandal, Analysis of Pore-Size and Related Parameters for Leather Matrix Through Capillary Flow Porometry Technique, J. Soc. Leather. Tech. Chem., Vol.99(1), pp. 16-22, 2015
  3. V. Sivakumar*, T.R. Swathi, Resmi Mohan, A. B. Mandal, Preparation and Characterization of Nano-reinforced Leather waste fiber-epoxy Nano-Composite, J. Am. Leather. Chem. Assoc., Vol. 110(12), pp. 401-408, 2015.
  4. V.Sivakumar*, A. Jena, K. Gupta and A.B. Mandal, Analysis of Pore-Size and Related Parameters for Leather Matrix Through Capillary Flow Porometry Technique, J. Soc. Leather. Tech. Chem., Vol.99(1), pp. 16-22, 2015.
  5. V.Sivakumar*, S. Ilanhtiraiyan,  K. Ilayaraja, A. Ashly and S. Hariharan, Influence of ultrasound on Avaram bark (Cassia Auriculata) tannin extraction and tanning, Chem. Eng. Res. Des., Vol. 92(10), pp. 1827-1833, 2014.
  6. R.C. Panda, V. Sivakumar, C. Sreepradha, T. Narayani and A.B. Mandal, Closed loop control for odour reduction during wastewater treatment in tannery, J. Future Engg. Technol., Vol. 10(2), 21-28, 2014-15.
  7. V. Sivakumar and R.C. Panda, Clean bill of health and safety, Leather International, Vol.217(4850), May 2015, pp. 38-41.
  8. .C. Panda, S. Selvasekhar, D. Murugan, V. Sivakumar, T. Narayani, C. Sreepradha, Cleaner production of basic chromium sulfate – with a review of sustainable green production options, J. Cleaner Production, Vol. 112, pp. 4854-4862, Jan’ 2016.
  9. V. Sivakumar, Resmi Mohan, and M. Muthukrishnan, Analysis of Microstructure of Nanocomposite Prepared from Leather Waste Fibre and Synthetic Rubber by Scanning Electron Microscopy,  J. Adv. Microsc. Res. Vol. 10(3), pp. 219-222, 2015.
  10. V. Sivakumar, Road Vehicular Traffic (RVT) model analogy with diffusion through porous skin/hide/leather media: Possible solutions, Asian J. Sci. Appl. Tech., Vol. 4(2), pp. 11-14, Dec’ 2015.
  11. V. Sivakumar, P.T. Anusha, Radhika Narayan, M. Shravya, Ultrasound assisted process intensification in leather making: diffusion rate enhancement in retanning process, J. Am. Leather. Chem. Assoc., Vol. 108, pp. 277-287, 2013.
  12. V. Sivakumar*, P.D. Gayathri and T. Amudha, Ultrasound Assisted Acid Red Dye Removal Using Leather Fibre Wastes as Matrix: ‘Intra Wastes Interaction’ Approach, Int. J. Env. Studies, Vol.70(4), pp. 536-548, 2013.
  13. V. Sivakumar, T. Burkhart, L. Sorochynska, B. Bittmann and AB. Mandal, Power ultrasound assisted in-situ reinforcement of nano-composite from ε-Caprolactam/TiO2, Polymer-Plastics Technology and Engineering, Vol. 51, pp.487-492, 2012.(IF-1.279)
  14. V. Sivakumar, K. Gayathri,  P.S. Pranavi,   F. Chandrasekaran, Ultrasound assisted cleaner alternate emulsification method for oils and fats:  Tallow emulsion - Fatliquor preparation for leather application, J. Cleaner. Production, Vol.37, pp.1-7, 2012.
  15. R.C.Panda,  C.L.Rai,    V. Sivakumar,   A.B. Mandal, Odour removal in Leather Industry, Adv.Chem.Eng & Sci., Vol.2,pp.199-203, 2012.
  16. V. Sivakumar, J. Vijayeeswaree, J. Lakshmi Anna, Effective natural dye extraction from different plant materials using ultrasound, Industrial Crops and Products, Vol. 33, 116 – 122, 2011.
    Jan’ –Dec’ 2011 Full year (9th place): Totally appeared in 4 quarters http://top25.sciencedirect.com/subject/agricultural-and-biological-sciences/1/journal/industrial-crops-and-products/09266690/archive/36/
  17. V. Sivakumar, G. Swaminathan, P.G. Rao and, C. Muralidharan, A.B. Mandal, T. Ramasami, Use of Ultrasound in Leather processing Industry: Effect of sonication on substrate and substances – New Insights, Ultrasonics Sonochemistry, Vol. 17(6), 1054 – 1059, 2010.
  18. V. Sivakumar, G. Swaminathan, P.G. Rao, T. Ramasami, Sono-Leather Technology with Ultrasound: A boon for unit operations in leather processing - Review of our research work at Central Leather Research Institute (CLRI), India, Ultrasonics Sonochemistry, Elsevier Science, Vol.16(1), pp.116-119, 2009. IF-2.434
  19. V. Sivakumar, G. Swaminathan, P.G. Rao and T. Ramasami, Ultrasound aided Leather Dyeing: A Preliminary investigation on Process parameters Influencing Ultrasonic technology for Large-scale production, Int. J. Adv. Manuf. Technol., Vol.45, pp. 41-54, 2009.
  20. V. Sivakumar, J. Jayapriya, V. Shriram, P. Srinandini and G. Swaminathan, Ultrasound Assisted Enhancement in Wattle bark (Acacia Mollissima) Vegetable Tannin Extraction for Leather Processing, J. Am. Leather. Chem. Assoc., Vol. 104(11), pp. 375-383, 2009.
  21. V. Sivakumar and P.G. Rao, ‘Studies on the use of power ultrasound in leather dyeing’, Ultrasonics Sonochemistry, Elsevier Science, Vol.10 (2), pp.85-94, 2003. IF-2.105
  22. V. Sivakumar, J. Lakshmi Anna, J. Vijayeeswaree, G. Swaminathan, Ultrasound assisted enhancement in Natural dye extraction from Beetroot for Industrial applications and natural dyeing of leather, Ultrasonics Sonochemistry, Vol.16(6), pp.782-789, 2009.
    Oct’2009-Sep’2010 Academic year (12th place): Totally appeared in 5 quarters http://top25.sciencedirect.com/subject/chemistry/6/journal/ultrasonics-sonochemistry/13504177/archive/29/
  23. V. Sivakumar and P.G. Rao, ‘Power Ultrasound Assisted Cleaner Leather Dyeing Technique: Influence of Process Parameters’, Environmental Science and Technology, ACS publication, Vol.38(5), 1616-1621, 2004. IF-3.592
  24. V. Sivakumar and P.G. Rao, ‘Diffusion rate enhancement in leather dyeing with power ultrasound’, J.Am.Leather.Chem.Assoc., Vol.98 (6), pp.230-237, 2003. IF-0.925
  25. V. Sivakumar, G. Swaminathan and P.G. Rao, ‘Studies on the application of power ultrasound in fatliquoring process’, J.Am.Leather.Chem.Assoc., Vol.100 (5), pp.187-195, 2005. IF-0.925
  26. V. Sivakumar and P.G.Rao, ‘Application of power ultrasound in leather processing: An Eco-friendly approach’, J.Cleaner Production, Vol.9 (1), pp.25-33, 2001. IF-0.832
  27. Paper Review: V. Sivakumar, P.G. Rao and T. Ramasami, ‘Sound gives pollution a hiding’, New Scientist, Vol.168 (2267), pp.18, 2000. 
  28. V. Sivakumar, G. Swaminathan, P.G. Rao and T. Ramasami, Influence of ultrasound on diffusion through skin/leather matrix, Chem. Eng. Process.: Process Intensification Vol. 47(12), pp.2076-2083, 2008 IF-1.156.
  29. V. Sivakumar, G. Swaminathan and P.G. Rao, Use of Ultrasound In Soaking for Improved Efficiency, J.Soc.Leather.Technol. Chem.Soc., Vol.88(6), pp.249-251, 2004. IF-0.557
  30. V. Sivakumar, K. Gopi, M.V. Harikrishnan, M. Senthilkumar, G. Swaminathan and P.G.Rao, Ultrasound Assisted Diffusion in Vegetable Tanning in Leather Processing, J.Am.Leather.Chem.Assoc., Vol.103(10), pp. 330-337, 2008. IF-0.506
  31. V. Sivakumar, G. Swaminathan and P.G. Rao, Studies on the Influence of Power Ultrasound on Dye Penetration in Leather Dyeing using Photomicrographic Analysis  Journal of Microscopy, The Royal Microscopical Society, Blackwell Publications, Vol.220 (1), pp.31-35, 2005.  IF-1.799
  32. V. Sivakumar, F. Chandrasekaran, G. Swaminathan and P.G. Rao, Towards Cleaner Degreasing Method in Industries: Ultrasound Assisted Aqueous Degreasing Process in Leather Making, J.Cleaner Production, Vol.17(1), pp.101-104, 2009. IF-1.073
  33. V. Sivakumar, V. Ravi Verma, P.G. Rao and  G. Swaminathan,Studies on the use of power ultrasound in solid – liquid myrobalan extraction process, J. Cleaner Production Vol.15(18),pp.1813-1818,2007. IF-1.073
  34. R. Nagarajan, N.P. Dhanalakshmi, A. Krishnan, V. Sivakumar, G. Swaminathan, M. Goodson, Cavitation and acoustic streaming in ultrasonic fields: Applications in bio-, leather-, and chemical processing, The Journal of the Acoustical Society of America, Vol.119(5), pp. 3321, 2006. IF-1.482
  35. V. Sivakumar, R. Poorna Prakash, P.G. Rao, B.V. Ramabrahmam and G. Swaminathan, Power ultrasound in fatliquor preparation based on vegetable oil for leather application, J. Cleaner Production, Vol.16 (4), pp.549-553, 2008.
  36. S. Sundarapandiyan, V. Sivakumar, G. Rajeswari and P. Saravanan, Effect of sonication on electro-oxidation of organic pollutants in saline wastewater, Water Environment Research, Vol.81(3), pp.319-324, 2009.
  37. V. Sivakumar, V.John Sundar, T.Rangasamy, C.Muralidharan, G.Swaminathan,  ‘Management of total dissolved solids in tanning process through improved  techniques’, J. Cleaner Production, Vol.13 (7), pp.699-703, 2005. IF-0.832
  38. V. Sivakumar, K. Jeyaraj, R. Chandrasekar, G. Swaminathan, Titanium - chrome combination tannage: An alternative eco-friendly tanning system for upper leather manufacture, Leather International, Vol.210(4785), pp.32-36, June-2008.
  39. V. John Sundar, T.Rangasamy, V. Sivakumar and C.Muralidharan, A Novel Pickle free chrome tanning Method – An approach for total dissolved solids management  J.Soc.Leather.Technol.Chem.Soc., Vol.88(6), pp.252-255, 2004. IF-0.557
  40. V. Sivakumar, P.A. Balakrishnan, C. Muralidharan and  G. Swaminathan, Use of Ozone as Disinfectant for Raw Animal Skins - Application as Short term Preservation in Leather Making, Ozone Sci. & Engg., Vol. 36(6), 449 – 455, 2010.
  41. P.A.Balakrishnan, A.Sivasamy, V. Sivakumar, K.Iyappan, C.Srinivasa kannan, P.G.Rao, ‘Strategic use of ozone generators for treatment of effluent in tanneries’, Leder und Haute Markt, Vol.23, pp.31 – 36, 1997.
  42. B.V. Ramabrahmam, V. Sivakumar, Parijat Kumar and P.G. Rao, 'Quality Testing Requirements', Leather International, Vol.205(4739), pp.78-81, October.2003.
National Journals
  1. V. Sivakumar*, Resmi Mohan, T. Rangasamy and C. Muralidharan, Antimicrobial activity of Myrobalan (Terminalia chebula Retz.)nuts: Application in raw skin preservation for leather making, Indian Journal of Natural Products and Resources Vol. 7(1), March 2016, pp
  2. V. Sivakumar*, C. Ponnusawmy, K. Sudalaimani, T. Rangasamy,   C. Muralidharan  and  A.B. Mandal, Ammonia free deliming process in leather industry based on eco-benign products, J. Sci. Ind. Res., Vol. 74(9), pp. 518-521, 2015.
  3. V. Sivakumar and P.G. Rao, ‘Rationalization of quantity of chemicals employed in liming, deliming and pickling operations  - A scientific mass balance approach’, Journal of Indian Leather Technologists Association, Vol. 52(5), pp.257-265, 2002.
  4. V Sivakumar, V Ravi Verma, G Swaminathanand P G Rao, Use of ultrasound in chrome recovery process in leather industry, Journal of Scientific Industrial Research, Vol.66(7), pp.545-549,2007.
  5. V. Sivakumar, T.Rangasami, V.Johnsundar, C.Muralidharan and P.G.Rao, ‘Investigations on carbonate unhairing process - part.I’, Journal of Indian Leather Technologists Association, Vol.50(6), pp.361-368, June.2000.
  6. V. Sivakumar, B.V. Ramabrahmam, G. Swaminathan, Revisit on fatliquoring process in leather manufacture, Journal of Indian Leather Technologists Association, Vol. 56(12), pp.894-897, 2006.
  7. V. Sivakumar, Deepak Kumar , Randhir Kumar and Raushan Kumar, Leather bio-process intensification: ultrasound assisted novel enzymatic hair-loosening system for leather processing, Indian Journal of Biotechnology, Vol.11,pp.326-329,2012  (IF-0.55).
  8. R.C. Panda,   V. Sivakumar, A.B. Mandal, Studies on development of odour control and abatement system for leather tanning industry, J. India Leather Tech. Assoc., Vol.64(3), pp.281-290, 2014.
Patents Granted in India
  1. V. Sivakumar and P.G.Rao, ‘An improved process for dyeing leather using low-intensity power ultrasound’ (Patent No.: 195182; dated, 24.11.2006).
  2. V. Sivakumar, C. Muralidharan, B. Sridharnath, V. Johnsundar and T. Rangasamy, ‘An improved process for the unhairing of Hides/skins’ (Patent. No. 227139; dated, 2.1.2009)
Patents Filed
  1. V. Sivakumar and A.B. Mandal, Leather fibre epoxy nano composite material for industrial applications and a process for the preparation thereof, Indian Patent, Ref. No. 0199NF2014, dt.7.10.2014, 2893DEL2014
  2. V. Sivakumar and C. Muralidharan, A process for lubrication of hide/skin by ultrasound,  CSIR-CLRI, Ref.No.0218NF2014, 30/10/2014, 3128DEL2014
  3. V. Sivakumar and A. B. Mandal, A leather making process using plant material, Indian Patent Application No. 201611003057, Dt. 28.01.2016
  4. G. Devikavathi, V. Sivakumar, V. John Sundar, T. Rangasamy, C. Muralidharan, A synergistic degreasing composition and an improved process for aqueous degreasing of hides and skins therewith, Indian Patent application No.3180DEL2010.
  5. V. Sivakumar, T. Rangasamy, C. Muralidharan and A.B. Mandal, A Novel Composition for Deliming of Hides and Skins and A Process for the  preparation Thereof, Indian Patent Ref. No. 0079NF2014, dt. 22.5.2014.
  6. V. Sivakumar,    T. Rangasamy and      C. Muralidharan, A synergistic composition for short term preservation of raw hides/skins for application in leather industry and a process for the preparation thereof, Indian Patent, Ref. No. 0086NF2014, dt.4.7.2014
Patents Applied
  1. V. Sivakumar et al., Novel ultrasound assisted extractor device for solid-liquid extraction process. (SCIM Com. No. 120.3.2)
  2. V. Sivakumar et al., Novel ultrasound assisted process for fatliquor preparation. (SCIM Com. No. 118.3.4)
  3.  V. Sivakumar et al., Novel Nano tannins from plant material for industrial and medical applications. (SCIM Com. No. 120.3.4
International Conferences (Articles in Proceedings)
  1. V.Sivakumar and P.G. Rao, ‘Use of power ultrasound in leather dyeing’, Proceedings of the XXV IULTCS Congress, 1999, CLRI, Chennai, pp.146-152 (Oral Presentation).
  2. V.Sivakumar and P.G. Rao, ‘Use of power ultrasound in beam house and tanning operations’, Proceedings of the XXV IULTCS Congress, 1999, CLRI, Chennai,    pp.216 - 219.
  3. P.A. Balakrishnan, V.Sivakumar, A. Sivasamy, K. Iyappan, C. Srinivasa kannan, B.V. Ramabrahmam, P.G. Rao, ‘Strategic use of ozone generators for treatment of effluent in tanneries’, Proceedings of the XXV IULTCS Congress, 1999, CLRI, Chennai,  pp.474 - 480.
National Conferences / Seminars (Articles in Proceedings)
  1. V. Sivakumar, J. Lakshmi Anna, J. Vijayeeswaree, G. Swaminathan, Ultrasound assisted natural dye extraction and dyeing of leather / fibrous substances, In Proceedings: “Development Initiatives, Augmentation Measures, Opportunities and New Directions (DIAMOND) for Indian Leather Sector”, 42nd Leather Research - Industry Get-Together: LERIG-2008, CLRI, Chennai (PosterPresentation).
  2. V. Sivakumar, P.T. Anusha, Radhika Narayan, M. Shravya, Ultrasound assisted diffusion rate enhancement in retanning process in leather making, LERIG-2011, CLRI-C, CLRI, Chennai (Poster presentation)
  3. V. Sivakumar, G. Swaminathan and P.G. Rao, Influence of Power Ultrasound in Soaking and Liming Process, In Proceedings: Paradigm shift in Leather Production, LERIG 2004, CLRI, Chennai (Oral Presentation).
  4. V. Sivakumar, V. Ravi Verma, P.G. Rao and G. Swaminathan, The Use Of Power Ultrasound In Solid-Liquid Vegetable Tannin Extraction Process, CSIR Foundation Day 2005 – CLRI, Chennai (Poster Presentation).
  5. V. Sivakumar, J. Jayapriya, V. Shriram, P. Srinandini and G.Swaminathan, Ultrasound assisted solid – liquid vegetable (wattle bark)  tannin  extraction process (Oral Presentation): In Proceedings: Innovations in Leather Science and Technology, PP-05, pp.51, 2006, CLRI, Chennai.
  6. V. Sivakumar, R. Poorna Prakash, P.G. Rao, B.V. Ramabrahmam and  G. Swaminathan, Studies on Fatliquor Emulsion Preparation Using Ultrasound for application in Leather Processing, CHM- 254, In Proceedings: Chemcon-2003 held in RRL-Bhubaneswar, Indian Institute of Chemical Engineers, Calcutta (Oral Presentation).
  7. V. Sivakumar and P.G. Rao, ‘Diffusion rate enhancement in leather dyeing with power ultrasound’, Chemcon-2001, Chennai, TSM-39(Oral Presentation).
  8. V. Sivakumar and P.G. Rao, ‘Studies on ultrasound aided fatliquoring operation’, In Proceedings: Innovations in leather science and technology, CLRI, Chennai, 2001, pp.41 (Oral Presentation).
  9. V. Sivakumar and P.G. Rao, ‘Application of power ultrasound in fatliquoring operation in leather processing’, In Proceedings:  Chemcon-2000, Calcutta, Vol.II, PDD.29-32, 2000 (Oral Presentation).
  10. V. Sivakumar and P.G.Rao, ‘The effect of power Ultrasound in Leather Dyeing’, In Proceedings: Strategic Management for Indian Leather Eminence (SMILE),33rd LERIG-1998, CLRI, Chennai (Poster Presentation).
  11. V. Sivakumar, V.John sundar, T.Rangasami, C.Muralidharan, P.G.Rao and T. Ramasami, ‘Studies on carbonate unhairing – A new approach to sulphide free unhairing’, PS-1, In Proceedings: Cost Effective Options for Management of Pollution through Leather Environment Technologies (COMPLETES), 32nd LERIG -1997, CLRI, Chennai (Poster Presentation).
  12. P.A. Balakrishnan, A.Sivasamy, K.Iyappan, V. Sivakumar, C.Srinivasa kannan, P.G.Rao, ‘Tannery effluent treatment – Alternate technology for secondary treatment using ozone’, PS-10, 1997, In Proceedings: Cost Effective Options for Management of Pollution through Leather Environment Technologies (COMPLETES), 32nd LERIG -1997, CLRI, Chennai (Poster Presentation).
  13. R. Gayathri, V. Sivakumar and K.J. Sreeram, ‘Application of recovered chrome liquor using magnesium oxide in Leather processing’, PS-20, In Proceedings: Eco sustainable Leather Technologies, 30th LERIG - 1995, CLRI, Chennai (Poster Presentation).
 
Awards & Honours
 

Best M.Tech Project Award for the year 1996 as given by Anna-University and Industry.

CSIR-DAAD Fellow 2010

Recognized for  Excellence in Publications for the year 2009-2010 for the total impact factor 9.323 as Certifcate given in CLRI foundation day 2010

  Biographic profile included in:
  • Marquis who's who in Science and Engineering, 9th Ed.  
  • Outstanding scientists of the 21st Century" by "International Biographic Centre Publications, UK"
 

Reviewer for the several reputed Journals

  • Ultrasonics Sonochemistry, Elsevier publication
  • Environmental Science and Technology, ACS
  • Journal of Materials Science, Springer 
  • International Journal of Advanced Manufacturing Technology, Springer.
  • Microporous and Mesoporous Materials, Elsevier.
  • Recent Patents in Chemical Engineering, Bentham Science Publishers.
  • Biotechnology Progress, Wiley publications
  • Polymer Composites, Wiley
  • Coloration Technology, Society of Dyers and Colorists  
  • Industrial Crops and Products, Elsevier
  • Clean Technologies and Environmental policy, Springer
  • Biotechnology Progress, Wiley
  • Chemical Engineering Journal, Elsevier Science publications

 

As a Team pursuing Tannery Modernization Phase II with Chemical Engineering, Tannery and other Depts. of CSIR-CLRI for the benefit of the Leather Industry