Mahendra Mishra

Senior Process Engineer

Mobile No: +614********,

E-Mail: abteqt@r.postjobfree.com

** ***** ******* ************* ********** 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 abteqt@r.postjobfree.com

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Mahendra Mishra

Palmer Process Australia 388

2 Pankaj CEO JSW +91 abteqt@r.postjobfree.com

Kulkar Special Steel, 996-***-****

ni project India

+919*********

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

.

abteqt@r.postjobfree.com

1 Praksh Ex-Project RioTinto +61

Srivastav Director, 417934053

a RioTinto

India

abteqt@r.postjobfree.com

2 VN G.M. Dept. State +61 407129

Mishra Developme 305

nt

PAGE 11

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