Mahendra Mishra
Senior Process Engineer
Mobile No: +614********,
E-Mail: ****************@*******.***
** ***** ******* ************* ********** in EPCM, production, project and plant design
around the world. Base metal, Magnetite, Hematite and Phosphate minerals experience
with specialisation in flotation.
Iron ore processing plant operation management and value addition to improve metal
recovery and weight yield is of my special interest.
Qualifications
Bachelor of Technology, Mineral Engineering, Indian School of Mines, Dhanbad, India –
1993
Affiliations
Member AusIMM (Member Australasian Institute of Mining and Metallurgy)
Fields of Special Competence
• Technical team management of Iron ore beneficiation plant
• Beneficiation plant operation, project management, research and development
work implementation at plant scale
• Pre-feasibility study preparation, process flow sheet development, mass balance
prepration,
• Capex and opex estimation, Metal recovery improvement through plant
optimization
• De-bottlenecking of plant and liberation size evaluation in multi mineral
• Extensive project and operation work experience in base metals and lignite
handling plant in India; iron ore magnetite, hematite processing plant in Nigeria
and Chile and rock phosphate processing plant in Saudi Arabia.
• JKSimMet software skill
Relevant Experience
March 2012 to current
Sinclair Knight Merz (SKM), Perth Australia
Sinclair Knight Merz is a leading projects firm, with global capability in strategic
consulting, engineering and project delivery. It operates across Asia Pacific, the
Americas, Europe, the Middle East and Africa, deploying some 7,500 people from more
than 40 offices.
Senior Process Engineer
JKSimMet- Model fitting, mass balancing and simulation data
optimisation skill
Process design practice (PDP) preparation
Magnetite Iron ore processing standard bench mark preparation
Project:
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Mahendra Mishra
Maitland River, Iron ore Holding, Australia
The Maitland River tenement is located approximately 50 km south west
of Karratha in close proximity to the Sino Iron operations. Maitland River
has JORC inferred resources of 1.1 Billion tonnes hosted in three deposit
areas.
Magnetite iron ore process flow sheet development
P&ID preparation, Control philosophy development
Mass balance preparation, Equipment selection
Capex estimation, Opex estimation
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Mahendra Mishra
2009 to March 2012
Maaden Phosphate Company, Saudi Arabia
Ma'aden's Phosphate business currently consists of Ma'aden Phosphate Company, a
joint venture with SABIC in which Ma'aden owns 70% and SABIC 30%,
A $6 Billion company 3.05 million tonnes DAP producer from 12.11million tonnes mined
rock phosphate.
Senior Process Engineer
Beneficiation Plant, Al Jalamid Project, Saudi Arabia
Prepared operation readiness document for seam less transfer from project
stage to operation plant
Prepared ramp up plan with required inputs and product management
Start up, load test and reliability test performed in phased manner
Signed off punch listing items
Trained plant personnel of different mineral experience for flotation,
milling, crushing process
Responsible for project completion of rock phosphate beneficiation plant
to produce 5.3M tonnes phosphate concentrate
Plant commissioning team leader - led the team for Performance test
work completion in stages and also led the team of procurement,
construction,commissioning and operation
Reverse flotation operating parameter adjusted to get 31.6 % P2O5
grade
Prepared a plan to blend ROM at mine and at crusher to get optimum
feed grade 21.35 % P2O5
Studied recirculation water effect in grinding circuit, slime thickener and
made a change in flow sheet
Prepared a plan to achieve higher concentrate grade and weight
recovery
Reagents testing at lab scale and its implementation in industrial plant
Cost estimation and negotiation for all inputs required to processing plant
Strategic chemical procurement contract finalized to meet first fill
Speeded up manpower recruitment to meet target time
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Mahendra Mishra
Developed a platform for co-ordination and activity execution between
PMC, Project team, Contractor and operation team
Logistic planned for 4 million ton concentrate transportation
Vendors training to plant personnel facilitated
Plant information management system implementation
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Mahendra Mishra
2008 to 2009
JSW Steel Ltd, India
JSW Group is one of the fastest growing business conglomerates with a strong
presence in the core economic sector. This enterprise has grown from a steel rolling mill
in 1982 to a multi business conglomerate worth US $10 billion within a short span of
time.
As part of the US $ 16.5 billion O. P. Jindal Group, JSW Group has diversified interests
in Steel, Energy, Minerals and Mining, Aluminium, Infrastructure and Logistics, Cement
and Information Technology.
Senior Manager - Beneficiation, Special Projects
Responsible for development of mineral beneficiation project worldwide starting
from Feasibility Study to production in iron ore-hematite, magnetite, coal and lignite
10 million tonnes hematite iron ore processing flow sheet modification,
Bellary plant, India
Stream lined barge loading and mine production to meet power plant
requirement in India from Indonesian coal mine
High ash content coal block at Mozambique study for economical Coal
preparation plant product
Project:
Barmer Lignite Mining Company Limited
A joint venture company of Rajasthan State Mines & Minerals Limited
and Raj West Power Limited (RWPL), the company is successfully
producing lignite from its Kapurdi Mines.
Prepared pre-feasibility study for 9 million tonnes Lignite handling
plant, Jalipa Mines, Barmer district, India.
3 million tonnes Lignite handling plant design and process flow
sheet development for Kapurdi Mines, Barmer district, India
Cost estimation of lignite coal processing plant
Magnetite Iron Ore Project - Santa Fe Mining, Santiago, Chile
$1.5 billion iron ore mining company with interest in mining and iron ore
processing, having reserve of 1 billion tonnes magnetite. It is a joint venture
of JSW Steel, India and Minera Santa Fe, Santiago, Chile.
Responsible for $150 million iron ore beneficiation project
implementation
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Mahendra Mishra
Led the team for development of green field project
Process flow sheet development and design of 12 million tonnes
per annum magnetite iron ore plant
Pilot plant test work completion
P liberation size determination and modification in flow sheet
S liberation size determination and silica liberation size
determination
Comparative study of process flow sheet for dry and wet
magnetic separation
Work index determination for different block of iron ore mines
Cost comparison of processing plant equipment and its selection
Negotiation with vendor for equipment cost reduction, required
input to plant etc
Process equipment selection: Gyratory crusher, Cone crusher,
VSI crusher, screen, Magnetic separator, Magnetic pulley
2007 – 2008
Global Steel Holding Ltd. Dubai
$2 Billion enterprise is having business in steel and iron ore processing worldwide.
Manager –Beneficiation
National Iron Ore Mining Company, Itakpe, Nigeria, Africa
Responsible for iron ore processing plant operation and development work
Plant operation technical team management
Modification in the design of intermediate bin for SAG mill feed
5 % weight recovery improved in iron ore beneficiation plant
In magnetite stream 4% Fe concentrate grade
improved from 62 % to 66% Fe
6 % Water recovery improved in thickener
4 KWH / MT power consumption
reduced in SAG mill
Flocculent doses optimized in tailing
thickener
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Mahendra Mishra
5% Plant availability improved
through reliability centred maintenance, condition monitoring
1993 to 2007
Vedanta Resources, UK
$6.5 billion diversified mining company with world class resources base in India,
Zambia, and Australia. The major metal produced is aluminium, copper, zinc and lead
Various Positions
Hindustan Zinc Ltd (HZL)
$1.9 Billion company a group of Vedanta Resources
2006 to 2007
Manager, Ore Dressing
Central research and development laboratory (HZL), Debari, Udaipur, India,
Asia
Responsible for development of mineral and metal recovery from
different mines and smelters
Developed centralized team for plant metallurgy coordination
Modification in flotation cell design by increased RPM
0.5 % lead recovery from sulfide mineral (PbS) and 0.5 % zinc
recovery from sulfide mineral (ZnS) improved in Zawar Mines
processing plant
Developed flotation flow sheet for Silver recovery from waste of
zinc smelter moor cake, concentrate with 6000 ppm Ag obtained
from 250 ppm Ag feed
Developed a relation for ore blending ratio for sulfide ore from
different mines of Zawar group
Implemented a reagent for silver promoter in lead concentrate for
Ram Pura Aguch Mine processing plant with test work data in
laboratory
Selected graphite depressant with lab test and implemented at
plant scale in Ram Pura Aguch Mine
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Mahendra Mishra
2002 to 2006
Manager, Ore Dressing
Raj Pura Dariba Mine (HZL), Rajasthan, India
Responsible for beneficiation plant operation and development of 1
Million TPA lead zinc beneficiation plant
Led the team of base metal processing plant
H
orizontal and vertical co-ordination with in organization
Flotation
cell design and configuration of cell layout
Plant operation with 105
manpower
Optimization of process parameter
for differential flotation lead and zinc
Improved crusher through put from 158 to 175
tonnes per hour
2 KWH per ton power consumption reduced by grinding
circuit optimisation
1997 to 2002
Deputy Manager, Ore Dressing
Responsibilities
Plant shift in-charge to operate plant in coordination with mechanical,
electrical and instrumentation personnel
Crusher section operation monitoring
Three stage crushing with closed loop in tertiary stage
Ball mill operation in closed loop with hydro cyclone
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Mahendra Mishra
Grinding media inventory monitoring and loading in mill at regular
interval with defined mill load
Technical data and metallurgical assays recording and reporting to
manager operation
Report preparation for management based on daily, weekly and
monthly data.
Manpower allocation in shift for plant operation
Maintaining health, safety and plant effluent to operate plant as per
defined norms
Support in improvements projects based on six sigma
Technical advice for plant availability improvement
SAP data feeding and report collection
Plant consumables inventory maintaining to meet plant operation
Presentation on plant performance and de-bottlenecking
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Mahendra Mishra
1993 to 1997
Engineer, Ore Dressing
Responsibilities
JKSimMet output data implementation at plant scale for grinding mill
operation optimisation
Quality control of lead zinc differential flotation products, lead
concentrate, zinc concentrate as per set standard
Plant sample preparation monitoring from different points to get assays
at Laboratory
Reagents control and optimisation through Infi 90 DCS (AMDEL
Australia)
Shift in-charge for quality control
In-stream analyser (ISA) function monitoring for proper quality data
output
Monitoring reagents inventory status
Reagents solution preparation monitoring for full day plant operation
MSDS preparation and training to plant personal
Health, Safety responsibility for shift personnel
Languages
English, Hindi, Spanish, Arabic
Referees
S. Name Designatio Compan Mobile No Mail ID
No n y
.
1 Ronald Manager SKM, +61 411 239 *******@*********.***
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Mahendra Mishra
Palmer Process Australia 388
2 Pankaj CEO JSW +91 ******.********@***.**
Kulkar Special Steel, 996-***-****
ni project India
3 Vishwa General Hindusta vishwaroop.sharma@vedanta.c
Roop Manager n Zinc o.in
Sharm Limited
a
Personal referees
S. Name Designation Company Mobile No Mail ID
No
.
********@*****.***
1 Praksh Ex-Project RioTinto +61
Srivastav Director, 417934053
a RioTinto
India
*******.*****@***.**.***.**
2 VN G.M. Dept. State +61 407129
Mishra Developme 305
nt
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