Page 185 - CW E-Magazine (21-11-2023)
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Special Report



       India: Critical minerals need supply security


            he  ongoing  energy transition                                 Dr. M.P. SukuMaran nair
            and move to low carbon and no
       Tcarbon energy resources neces-                                     Director,  Centre for  Green  Tech-
                                                                           nology & Management, Kochi
       sitate a dramatic shift to new genera-                              Formerly, Secretary to Chief Minister
       tion fuels and feedstock and the capi-                              Kerala & Chairman
       talisation of frontend and emerging                                 Public Sector Restructuring & Audit
       technologies such as digitization, data                             Board, Govt. of Kerala
       analytics, machine learning and use of                              Email: nairmps50@gmail.com
       a variety of sensors. Besides the soft-                             drmpsukumarannair.com
       ware that will go into the working of
       each of these technologies, the hard-                              tion to a low carbon emissions econo-
       ware required to create them is also                               my, and the renewable energy techno-
       important. A series of mineral materi-                             logies required to decarbonise various
       als of construction have been identified   Chile, Argentina, and  China have the  sectors and achieve the ‘Net Zero’ com-
       to go into the making of these products,   largest reserves of lithium available in  mitments  of an increasing  number of
       and are termed as critical minerals in   mines around the world today.  countries around the world.
       the present context of energy transition,
       decarbonisation,  and development  of   Critical minerals             The mining of these minerals is
       new and sustainable energy resources.   The term ‘critical minerals’ was first  found  to  cause  significant  environ-
       These minerals are distributed unevenly   used in 1939 when the Strategic  and  mental damage and  health risks  from
       across the surface of earth, but there   Critical  Minerals Stockpiling Act was  contaminated  water and therefore the
       are certain areas where they are avail-  passed in the US. The US Energy Act  recommended technologies and policies
       able in abundant quantities. Therefore,   of 2020 defines critical minerals as an  to mitigate environmental  impacts of
       it is necessary for all countries to have   essential component in the manufactur-  mining are to be strictly adhered to.
       access to enough of these materials for   ing of a product and having high risk  The criticality  of minerals vary from
       their development programmes through   of a supply chain disruption. They also  country to country depending on
       negotiated settlements and supply    serve an  essential  function  in  one or  domestic availability and projected
       arrangements. With production of rene-   more energy technologies the absence  industrial demand.
       wable energy resources and decarboni-  of which would have significant conse-  Table 2: Applications of critical minerals
       sation technologies taking a leap for-  quences for the national economy and
       ward, the requirement for critical mine-  security of the country.   Equipment  Critical elements required
       rals is expected to increase manifold.  Table 1: Critical minerals  Solar panels  Ga, Ge, In, Te,
                                         Mineral Countries of occurrence   Wind turbines Al, Pr, Nd, Sa, Dy
          The global energy transition to                                  Batteries  Co, Li, Mn, La, Ce, Pr, Nd,
       renewables, electric  mobility, battery   Lithium Australia, Chile, Argentina, China,   Graphite
       storage systems, production of low-car-  US, Canada.                Electrical   Li, Ni, Co, Mn, Graphite
       bon hydrogen, solar panels, wind tur-  Cobalt  DR Congo, Australia, Indonesia,    vehicles
       bines, smart devices, sensors, and digi-  Cuba, Philippines, Russia,   Electrolysers  Ni, Zr, La, Y, Pt, Pd, Ir,
                                                Canada, China, US, and Zambia.
       tal controls, as well as the expansion of                                      Co, Ta, Gd, Ce
       transmission infrastructure, have mas-  Copper Chile, Australia, Peru, Russia,   Lighting  La, Ce, Eu, Tb, Y
       sively boosted demand for critical mine-   Mexico, US, DR Congo.
       rals  and  metals.  A  five-times  relative   Nickel  Australia, Indonesia, Brazil,   In its 2020 report titled  Minerals
       increase in demand is predicted over     Russia.                   for Climate Action: The Mineral Inten-
       the  next decade for certain  minerals,   These minerals are essential for the  sity of the Clean Energy Transition, the
       especially those  connected to  energy  advancement of many sectors, includ-  World Bank had warned that a low car-
       storage technologies,  such as lithium,  ing high-tech electronics, telecommuni-  bon future will be very mineral-inten-
       graphite, and cobalt. According to the   cations, transport, and defence.  They  sive. Four minerals – lithium,  cobalt,
       US Geological Survey (USGS), Australia,   are also vital to power the global transi-  copper, and nickel – are the most im-


       Chemical Weekly  November 21, 2023                                                              185


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