Dominique Tharandt is a chemical engineer with over 16 years of experience working on projects in industries such as chemicals, precious metals refining, and mining. She has managed projects from concept through execution and currently works as a Senior Process Engineer at WorleyParsons, where she is responsible for process engineering on feasibility and EPCM projects around the world.

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NAME: Dominique Tharandt
TITLE:Sn Process Engineer
SUMMARY
Dominique Tharandt is a chemical engineer with over 16 years working experience in industry
including chemical developmental work for Afrox such as the re-breather unit AFROXPAC35,
product development and process optimization for Johnson Matthey, project management for
Impala Platinum and she is currently employed at WorleyParsons as a Senior Process
Engineer. Her expertise is with the beneficiation and refining of PGM's as well as base metals
taking engineering through to all the phases of a project from concept design, pre-feasibility,
feasibility and execution.
EXPERIENCE
1 July 2011 -
Present
Senior Process Engineer, WorleyParsons, Johannesburg
Projects
 Silver Refining 80tpa for Rand Refinery Limited
 Mogalakwena North Concentrator for Anglo American Limited
 Wafi Golpu Pre-Feasibility Study for the Morobe Mining JV
 Golpu Stage 1 Feasibility Study for the Morobe Mining JV
 Jig Discard Beneficiation Plant for Kumba Iron Ore
 Proposal work for a number and range of beneficiation projects around the world
Duties & Responsibilities
 Provide process engineering skills for concept, pre-feasibility, feasibility, EPCM and turnkey
process projects undertaken by WorleyParsons
 Understand the latest technologies and applications to provide process design inputs and
outputs to projects and review processes (process design)
 Manage drawing and other process resources
 Manage projects by coordinating client requirements and manage time, cost, quality and scope
of projects assigned to
 Considering Health, Safety and Environmental issues in all design aspects and work on site
Project 1
 Designing a new Silver Refinery including Silver Dissolution with nitric acid and oxygen, Electro-
Refining of silver crystals, Precipitation with salt, silver chloride leach and reduction with iron. My
role was to work on the Mass and Energy Balance for the entire plant including utilities and

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reagents, drawing up Process Flow Diagrams, Piping and Instrumentation Diagrams, draw up all
the equipment datasheets, conduction HAZOP studies and formulating the Control Philosophy
as I was the only process engineer on that project.
Project 2
 De-bottlenecking of their 600ktpm concentrator plant to reach nameplate capacity and increase
capacity to 750ktpm. I was specifically involved with the design work in the wet section: milling,
ultra-fine grinding, floatation, tailings treatment as well as reagent and water reticulation of the
plant. I started my involvement with this project in the pre-feasibility stage and went through the
entire feasibility phase going into execution.
Project 3
 Designing a copper concentrator plant using concepts form an earlier PFS to incorporate
metallurgical testwork and investigate efficient processing technologies to improve the
beneficiation plant for a range of throughputs. My role included developing a Mass Balance for
the communition and floatation circuits as well as drawing up Block Flow Diagrams, Process
Flow Diagrams, Piping and Instrumentation Diagrams, draw up all the equipment datasheets,
equipment schedules and vendor packages in order to obtain a cost estimate for financial
modelling. This project was taken from pre-feasibility to the feasibility stage where I was
responsible for the entire process plant design including all equipment sizing for the various
stages of LOM, liaison with vendors, performing trade-off studies as well as testwork
interpretation.
Project 4
 Assisted with the development of Piping and Instrumentation Diagrams and equipment lists for
the -1mm UHDMS Beneficiation plant looking at both the coarse and fines circuits including all
utilities and water treatment.
1 August 2007
– 30 June 2011
Senior Chemical Engineer, Technical Projects, Impala Platinum Holdings Limited,
Springs
Projects
 Interim Capacity Relief
 Effluent Upgrade
 Palladium (Pd) Chiller Circuit
 Additional Effluent Treatment
Duties & Responsibilities
 Running of Capital Projects for the Precious Metal Refinery (PMR) from conceptual engineering,
feasibility study to planning, installation, commissioning and hand-over to Operations. The PMP
project structure was being followed.
 Financial budgeting and feedback for the Projects being managed. Budgets for projects vary
from R3mill to R150mill and more than one project was being handled at the same time.
 Design work for each project, drawings and contractor selection (tenders and adjudication) as
well as supervision of all contractors
 Investigations into Operations problems to identify short-term as well as long-term solutions for
implementation
 Environmental, Health and Safety of all personal involved in the projects being managed
Project 1

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 The Scope of Work for this project was to alleviate the feed line bottleneck to the crystalliser
plant allowing it to reach its maximum design capacity. The feed line was thus upgraded (from a
75OD diameter to an 110OD diameter line) to the crystalliser thereby increasing flow and
throughput.
Project 2
 The Scope of Work for this project was to replace the existing four effluent lines from the
crystalliser tie-ins tothe storage ponds. This was necessary as the existing lines at the time were
badly corroded and the risk of a leak occurring was rated high. The MOC for the four new lines
exposed to sunlight was changed to a more UV resistant material thus ensuring a longer life of
the pipes. The replacement of the four existing lines ensured a safe transport of effluent from the
PMR to the storage ponds.
Project 3
 The Scope of Work of the project entailed the design, acquisition and installation of a new heat
exchanger and chiller system to ensure that the temperature of the feed stream into the IX
columns is below 20°C. It also included its associated civil work, piping system and
instrumentation to support the cooling. Removal of existing equipment and civil works were also
required. The installation of the chiller and heat exchanger improved Pd first time pass rates to
100%.
Project 4
 The Scope of work of this project was the process and engineering design for an Additional
Effluent Treatment plant ensuring an average throughput of 350m3/ day in the first phase. The
second phase includes detailed design work, procurement, manufacture and installation of the
plant until commissioning and hand-over to Operations, i.e. all Project Management of this
project. The outputs are condensate (clean water) and a dry salt for disposal at an H:H Waste
Disposal site. The project is being run as an EPCM Project to the value of R130mill. This project
was completed and a full success meeting all the requirements.
1 July 2006 –
30 July 2007
Senior Specialist Physical Testing, Johnson Matthey (Pty) Ltd, Germiston
Duties & Responsibilities
 Oversee the running of the SCAT and Physical Testing laboratory to ensure improvements
are made so that it can become part of the regular quality testing facility at JM Germiston
 Provide technical support to the Back Pressure facility including calibrations, correlation
and major maintenance
 Implementation of TPM processes as part of the AM and FI pillars
 Co-ordinate all statistical control and R&R studies within the plant
1 March 2001
– 30 June
2006
Senior Process Engineer, Johnson Matthey (Pty) Ltd, Germiston
Duties & Responsibilities
 Review, implement and assess new and current processes, technologies and equipment
so as to ensure continuous improvement and development of products for the Autocatalyst
Business Unit

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 Ensuring effective and on-time introduction of new technologies; troubleshooting process
failures and introducing corrective actions to address the failures; reviewing process and
equipment design in order to evaluate alternatives and achieve optimisation; assist with the
introduction, commissioning and de-bottlenecking of new equipment; to provide technical
assistance to other functionaries, e.g. Quality, Production and Maintenance; as well as
development work and project management as well as co-coordinating the above
 Project management of the implementation and maintenance of PFMEA's and Control
Plans in this site to ensure current and user friendly information is always available
 Commissioning and correlation of the three Back Pressure rigs, this includes testing and
discussions with other JM sites and customers directly
 Establish a Synthetic gas Catalyst Activity Test (SCAT) facility in Germiston, which
involved intensive research on SCAT as well as starting and running a laboratory.
Numerous technical equipment problems had to be solved by myself as there are no SCAT
experts in South Africa. The establishment of a new laboratory including all Health and
Safety, Environmental, Quality, stock keeping, training, staffing and continuous
improvement issues had to be addressed.
20 Nov 1998 –
28 Feb 2001
Chemical Development Engineer, Gas Equipment, Afrox (Pty) Ltd
Duties & Responsibilities
 Continual Research and Development on the Afroxpac, improvement of all functional
performance requirements and extension of the duration from 30 minutes at a ventilation
flowrate of 30 L/min to 40 minutes at 35 L/min
 Equipping and testing done at the research laboratory at the Gas Equipment Factory
(GEF). I was also involved extensively in improvement of production methods at GEF, risk
assessment studies, safety and awareness training based on the outcomes based learning
procedures. I was also responsible for all the chemicals handling and procedures at GEF.
This involves a great deal of Project Management.
 Management of the implement the ISO 9000/2000 standard in the entire factory
 Involvement in the redesign of a wet mixing system for the Welding Consumables Factory
in Brits as an additional project
EDUCATION
MSc, Corrosion & Corrosion Protection, University of the Witwatersrand, 2015 (Completed)
Postgraduate Diploma, Hydrometallurgy, University of the Witwatersrand, 2013 (Completed)
Management Advancement Program, Wits Business School, 2000 (Completed)
BSc, Chemical Engineering, University of the Witwatersrand, 1998 (Completed)
REGISTRATIONS/AFFILIATIONS
Engineering Council of South Africa (ECSA), Professional Engineer - 20040032
South African Institution of Chemical Engineers (SAIChE), Member – 006533
Institute of Chemical Engineers (IChemE), Member - 99964384

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PUBLICATIONS/PRESENTATIONS
“Corrosion resistance of laser cladded 304L stainless steel surfaces enriched with ruthenium
additions exposed to sulphuric acid media” – published and presented at the European
Corrosion Conference, Pisa, Italy 2014 and at the 6th International Platinum Conference, Sun
City, South AFRICA, 2014
SPECIFIC TECHNICAL EXPERTISE/SPECIALIST COURSES
Long Distance Slurry Pumping and Pneumatic Conveying, University of the Witwatersrand,
2015