CHPM (Combined Heat, Power and Metal extraction) 2030 deliverable (D1.2): report on data availability for south-west England
2016
This report is a published product of the ‘CHPM2030’ project
-
an EC
-
funded, Horizon2020
project which aims to develop a novel and potentially disruptive techn
ology solution that can help
satisfy the European needs for energy and strategic metals in a single interlinked process. Working
at the frontiers of geothermal resources development, minerals extraction and electro
-
metallurgy,
the project aims at convertin
g ultra
-
deep metallic mineral formations into ‘orebody
-
engineered
geothermal systems’ that will serve as a basis for the development of a new type of facility for
‘Combined Heat, Power and Metal extraction’ (CHPM).
The project will help provide new impetus
to geothermal development in Europe by investigating
previously unexplored pathways at low
-
TRL. This will be achieved by developing a roadmap in
support of the pilot implementation of such system before 2025, and full
-
scale commercial
implementation befor
e 2030. This will include detailed specifications of a new type of future
engineered geothermal system (EGS) facility that is designed and operated from the very
beginning as a combined heat, power and metal extraction system.
In the technology envisioned
, the metal
-
bearing geological formation will be manipulated in a way
that the co
-
production of thermal energy and metals will be possible. As part of this, we will
investigate how fluid chemical conditions can be optimised to facilitate recovery of specif
ic
metals, anticipating variable market demands at any given moment in the future. Four geographical
areas have been chosen for detailed investigation based on pre
-
existing data and potential for
CHPM development in mineralised areas in the United Kingdom
(UK), Portugal, Romania and
Sweden. This report summarises information relevant to the investigation area in the UK.
The project aims to provide proof
-
of
-
concept for the following hypotheses:
1.
The composition and structure of orebodies have certain advanta
ges that could be used to our
advantage when developing an EGS;
2.
Metals can be leached from the orebodies in high concentrations over a prolonged period of
time and may substantially influence the economics of EGS;
3.
The continuous leaching of metals will increase system’s performance over time in a
controlled way and
without having to use high
-
pressure reservoir stimulation, minimizing
potential detrimental impacts of both heat and metal extraction.
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