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ASHISH KUMAR
QTR No. C ¡V 31, Zinc Colony, P.O. - Zinc Smelter Debari
Dist. ¡V Udaipur, Rajasthan ¡V 313024, India
Mobile : +91-94143-54507, +91-97845-42340
Email: ashish.be@gmail.com / a_be@rediffmail.com


KEY SKILLS

Project management, Feasibility studies, Scale up studies, Pilot plant studies, Hydro-metallurgy, Process development, Technical services, Metal operations, Bioleaching, Chemical Technology, Six sigma black belt, ISO, 5 ¡V S, IPR management.


CAREER ABSTRACT

„Ï A growth oriented techno-professional with 7.0 years of experience in Hindustan Zinc Ltd. (A Member of London Stock Exchange listed company Vedanta Resource Plc), as Associate Manager.
„Ï Head, Extractive Metallurgy Department from June 2007 to May 2010.
„Ï Six Sigma Black Belt exam with one successful project completed.
„Ï Well versed with ISO Systems, 5 ¡V S methodology & IPR Management.
„Ï An ardent team leader, an articulate planner and a succinct communicator with a strong visual sense skilled to facilitate on-time and cost efficient completion.

CURRENT PROJECTS

ľ Recovery of valuable metals from waste residues/ by-products/ intermediates of Hindustan Zinc Ltd and value addition by improvement in existing systems.
ľ Study on leveraging values from untapped potential or path-breaking technologies.
ľ Key coordinator for establishment for Vedanta Research & Development Center for Vedanta Group.

SOFTWARE SKILLS

MINITAB (Statistical Software), HSC Chemistry, MS Project (Project Mgmt Software), MS Office.


RECOGNITIONS / AWARDS

ƒæ Selected as ¡§Star of the Business¡¨ for the HZL-Vedanta Group.
ƒæ Selected for final round of Indian Achiever¡¦s Award ¡V 2009 by Indian Organization for Commerce and Industry.
ľ Er. B.N. Chatterjee Mineral Engineering Science Award 2009 by Mineral Engg. Science Association.
ľ Misra Best Paper Award in International seminar on MPT-2008 organized by IIME.




PATENTS

Two National Patents filed
ľ Application No. : 551/ DEL/ 2008/A
ľ Application No. : 552/ DEL/ 2008/ A

PUBLICATIONS

ƒæ ¡§Recovery of cadmium from hydrometallurgical zinc smelter by selective leaching¡¨ Aparajith. B, Ashish Kumar, Duncan Hodder, M.L. Gupta (2010), Vol 102 (1-4), pp 31-36.
ƒæ ¡§Solid state fermentation studies of citric acid production¡¨, Ashish Kumar and VK Jain (2008), African Journal of Biotechnology, Vol. 7(5), pp 644-650.
ƒæ ¡§Extraction of Zinc via bioleaching route using spent electrolyte¡¨ in International Seminar on Mineral Processing Technology (MPT-2008), April 22-24, 2008, pp. 359-363.
ƒæ ¡§Microbiological approach for removing heavy metals¡¨ from effluent of Debari Zinc Smelter in National Seminar on Mineral Biotechnology (MB-2007), January 30-31, 2007, pp. 141-146.
ƒæ ¡§Energy reduction in ore comminution through microwave¡¨ in Sohn International Symposium on Advanced Processing of Metals and Materials: Principles, Technologies and Industrial Practice, TMS Publications, 2006. - Accepted as Invited Paper
ƒæ ¡§Microwave energy aided mineral comminution¡¨ in International Seminar on Mineral Processing Technology (MPT-2006), March 8-10, 2006, pp. 398-404.


OVERSEAS VISITS

ľ Understanding Leaching and Purification along with recovery of Lead & Silver cake at Votorantim Metais, Cajamarquilla, Peru.
ľ Training in Heap Bioleaching Process at SGS Lakefield Laboratory, Johannesburg; Agnes Gold Mine, Nelsprui; Kumba Resources, Pretoria at South Africa.
ľ Visited Tailing Leach plants & Copper Units (Nchanga Copper Mines, Konkola Copper Mines & Nkana Smelter) at Zambia.


R&D CONTRIBUTION
January 2010 till date
ľ Design and installation of laboratory type continuous Zinc Electrowinning set up.
ľ Thermodynamic and metallurgical calculations for utilization of Ausmelt slag in Fuming Furnace.
ľ Validation of Cadmium Recovery Flowsheet from Sinter dust.
ľ Process validation for the Recovery of Lead & Silver from Anode Mud.
ľ Understanding physical properties of Ausmelt Lumpy Copper dross and establishing its separation from Lead bullion.
ľ Drossing studies of zinc from Pb-Sb alloy Lead Refinery section.
ľ Removal of chlorides from zinc dross to maximize its utilization in Sinter Plant.
ľ Business case and feed matrix model for Sinter Feed using Bulk concentrate of different HZL mines.

Upto December 2009
ľ Development of process flowsheet for the Cadmium recovery from Purification cake of Zinc Hydrometallurgy plant & its scale up studies along with plant trials.
ľ Reduction of chloride levels by 70% in Zinc spent to improve quality of purified solution so as to increase anode life in cell house.
ľ Improvement in Copper Sulfate quality by reducing Manganese levels using alternate oxidizing reagent.
ľ Review of Magnesium Removal Section of leaching circuit to reduce Magnesium levels to improve current ratings in cell house.
ľ Management of high silica Zinc concentrate in hydrometallurgical plants. Parameters were validated and established in of HZL smelters.
ľ Kinetic study for the enrichment section to reduce Zinc losses in purification cake of hydrosmelter.
ľ Minor Metal Mapping & Benchmarking for Hindustan Zinc Ltd.

Upto December 2008
ľ Improvement of Black Acid quality produced in Pyrometallurgical operations at Chanderiya Smelter. (project benefit: 15-20 Cr/annum, accepted for plant implementation ). - Six Sigma DMAIC Road map.
ľ Process development to recover Copper as Copper Sulfate from AUSMELT lumpy copper dross.
ľ Process development for Thallium removal from Cadmium rich solution.
ľ Kinetic Studies for Jarosite precipitation at Zinc Hydrometallurgical smelters.


Upto December 2007
ƒæ Validation of leaching flowsheet to recover Lead ¡V Silver Cake for Hydro ¡V I, Chanderiya Smelter. (project benefit: 4200 MT/ annum Lead and 20 MT/ annum Silver production)
ľ Reduction of Iron in Jarosite Overflow Solution in Vizag Zinc Smelter. (project benefit: improved plant performance, successfully commissioned)
ƒæ Recovery of Lead and Cadmium metals from Hot Gas Precipitator (HGP) Dust of Pyrometallurgical unit, Chanderiya Smelter. (project benefit: 9 ¡V 10 Cr/ annum)

Upto December 2006
ľ Bacterial Leaching of Metals from HZL Mine Tailings: Isolation & development of T.ferrooxidans & T.thiooxidans for BIOX-column studies on lean Zinc concentrate (9-10% grade) to evaluate the project economics. Proposal of 25000 Mtpy Zinc metal production by heap bioleaching submitted.
ľ Preliminary studies on Bioflotation of Lead-Zinc Ore to reduce depressant reagents (used for graphitic carbon, galena, pyrite mineral depression) for Zinc flotation.
ľ Commissioning of pilot plant for Microwave aided Mineral Comminution at RA Mine of Hindustan Zinc Ltd for efficient size reduction & increased throughput of grinding circuit.
ƒæ Effect of microwaves for Lead ¡V Zinc flotation. The process was validated at bench scale.

Upto to December 2005
ľ Technology development for Microwave aided Mineral Comminution.
ľ Microbial Treatment of Zinc Hydrometallurgical Plant Effluent using Sulfate reducing bacteria (SRB). SRB were isolated, screened & adapted to sustain Zinc concentration up to 500 ppm in acidic medium. Assessment of process in anaerobic bioreactor with effluent treatment capacity of 30L.
ľ Setting up Mineral Biotechnology Laboratory - The first ever lab amongst the group companies of Vedanta Resources Plc.


CROSS FUNCTIONAL ACTIVITIES

ƒæ 5 ¡V S implementation in Central R&D Laboratory.
ľ Technology evaluation for various projects.
ľ Devised Intellectual Property Rights Policy for Hindustan Zinc Ltd.
ľ Patents(s) filing.
ľ Filing applications for award(s) & DSIR recognition for the unit.
ľ Managing ISO in extractive metallurgy department.
ľ CAPEX items procurements.
ľ Installation of E-library for the unit.
ƒæ Technology Road Map for Zinc, Lead & Silver ¡V A group Road Map for R&T activities.
ľ Collaborative Activities for projects with various institutes/ organizations/ agencies.

ACADEMIC CREDENTIALS

ƒæ M.Tech., Chemical Technology, 2003, c.g.p.a. 4.0/4.0, Grade ¡¥A¡¦, TOPPER, H.B. Technological Institute, Kanpur.
Thesis: Kinetic Studies for Citric Acid Production using Agroresidues by Solid State Fermentation.
ľ P.G. Diploma in Business Managment from UPRT Open University.
ƒæ M.Sc., Chemistry, 2001, 77.3%, Grade ¡¥A¡¦, Dayalbagh Educational Institute, Agra.
Thesis: Effect of Ultrasound on Aqueous Reactions of Silver Nitrate.
ľ B.Sc., Zoology, Botany, Chemistry, 1999, 73.7%, MJP Rohilkhand University, Bareilly.
ľ Intermediate (12th Standard), 1995, 77.6% with Honors, U.P. Board, Allahabad.
ľ Highschool (10th Standard), 1993, 77.0% with Honors, U.P. Board, Allahabad.
ľ C.S.I.R.-U.G.C.-NET 1st July 2001, National level exam.
ƒæ GATE ¡V 2001, National level exam, AIR ¡V 0580.
ƒæ Advanced Certificate in PC Applications from NIIT, 88.6%, Grade ¡¥A¡¦.

PERSONAL TRIVIA

Date of Birth : November 09, 1978
Nationality : Indian
Marital Status : Married
Language : Hindi & English


(ASHISH KUMAR)
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