Since the birth of the nuclear age, the beach sands of peninsular India have attracted much attention. Every day, the sea washes up on the beaches of Kerala, Tamil Nadu, Andhra Pradesh, and Orissa, valuable deposits of beach sand minerals that had been carried to the sea from the Ghats by natural erosion through sun, wind, and rain.
Beach sand minerals comprise a group of minerals such as garnet, ilmenite, zircon, rutile, sillimanite, leucoxene and monazite. Out of these, all minerals except monazite are non-radioactive and have common industrial applications. Monazite, which contains Uranium and Thorium (roughly 10% max) apart from rare earths, is a highly valuable resource today and is the only radioactive mineral. India has been producing and exporting monazite as early as 1910 for use in thorium-based gas mantles. Soon after Independence, the government brought all the mineral sands except garnet and sillimanite in the beach sands under national control though only monazite has any nuclear significance.
In 1998, private companies were invited to enter the beach sand mining sector covering six of the seven minerals â€“ garnet, ilmenite, leucoxene, rutile, sillimanite, and zircon. Only monazite remained under the purview of the Department of Atomic Energy due to its uranium and thorium content.
This move was purely because India despite having 35 per cent of global beach sand deposits and the sector being restricted to public sector, was only contributing 0.2 per cent of the worldâ€™s production. However, since the entry of private companies in 1998, Indiaâ€™s contribution to the worldâ€™s production increased to 6 per cent and export value skyrocketed from Rs. 35 crores in 1998 to Rs. 4,500 crores in 2015. It is significant to note that private companies contributed more than 90 per cent to this sector and also spearheaded value addition ahead of public sector enterprises.
Unlocking Indiaâ€™s monazite potential
The potential for capacity expansion and value addition in the six minerals notwithstanding, the miracle story lies in the seventh and as yet controlled atomic mineral, monazite.
Although Monazite contains 8 per cent Thorium and 0.3 per cent Uranium which are of strategic value, the real potential and economic value lies in 65 per cent rare earth elements it contains. India is home to 71 per cent of the worldâ€™s monazite reserve which lies totally unutilized and the world is solely depending on Chinaâ€™s monopoly in rare earth supply. There are 17 rare earth elements and as their collective name suggests, found only in very small quantities in the earth's crust. These elements are used in almost all day-to-day gadgets and technology used by the common man, like smartphones, TVs, cars, audio systems, batteries, LEDs, speakers, cosmetics, computers and textiles.
Beach sand minerals with rare-earths in south India
For example, smartphones have proliferated like wildfire in the last few years and demand is only expected to increase in the coming years; these ubiquitous gadgets, however, rely on neodymium, europium, and cerium for their speakers and screens.
These elements also have magnetic, thermal, and electrical properties that find useful applications in several vital industries such as communications, electronics, transportation, energy, aerospace, and armaments. Some of the applications represent cutting-edge technologies that could determine the material evolution of society.
It is paradoxical that despite having huge reserves of rare earths (in the form of Monazite) in India, which lies unutilized due to Government regulations, we are unable to develop futuristic energy efficient technologies: for example, more efficient LEDs that have already been designed are yet to leave research laboratories for want of europium and terbium in commercial quantities. Similarly, the non-availability of neodymium and dysprosium have delayed the replacement of gearbox-driven wind turbines by more efficient direct-drive units. The widespread embrace of these technologies would go a long way in meeting not just India's stated climate change goals but also its infrastructural development including clean and energy efficient technologies.
Make in India, another Tesla?
Rare earth elements also find use in some of the technologies that can truly be said to be of the future. Rare earth elements like samarium, dysprosium, neodymium are playing a vital role in producing magnets, which in turn play a huge role in producing energy efficient motors.
Leading automobile companies like Toyota, Honda, Tesla are facing challenges in sourcing these critical minerals for their hybrid and electric cars, which are the future. These minerals are also part of magnets used in speakers /microphones found in almost all our smartphones, laptops, Ipads and AV systems.
Rare earth elements like Lanthanum and Cerium are the key raw materials for rechargeable batteries which are used in automobile and day-to-day electronics.
For example, Tesla has been experimenting with practical energy storage not only for its cars but also for renewable energy sources and electricity grids. Rare earths are key to some of the concepts and designs the company has developed. Easy access to rare earths may well entice the likes of Teslas to start manufacturing in India, bringing with them not just the technology and capital but also a demand for quality labour that dovetails well with the Make-in-India and Skill Development schemes that the Modi government has been trumpeting over the past couple of years.
Indeed, the ambitious may well look beyond the arrival of hi-tech multinationals like Apple and Tesla to Indian shores to the time when India will be able to produce its own Apples and Teslas for the global market.
With the worldâ€™s attention turning to the environmental costs of 21st century growth, demand for commodities like rechargeable batteries, catalytic converters, fluid-cracking catalysts, hybrid vehicles, and stronger magnets is only expected to grow in the coming years. India can well emerge as a vital hub in the network of futuristic industries and technologies.
The China Angle
There is another reason for optimism in the development of India's rare earths industry: the world market is dominated by China, with almost 95 per cent share of this market.
Beijing's restrictive policies have raised concern in Tokyo, Washington, and the capitals of other major industrial powers. With everyone looking for other sources of these strategic elements, an Indian foray into the market would not just be welcomed but possibly nurtured by other industrial countries. Given the importance of the elements, India may even be able to import the latest technology for the safe and efficient extraction of rare earths to develop its own industry.
The technological manna, the economic bonanza, and the contribution to labour markets and skill development that would result from private sector participation in monazite processing is undeniable.
Yet with uranium and thorium as by-products, there is, however, an unfounded fear of private players handling nuclear materials.
Should we fear private handling of nuclear material?
First, private firms play an important role globally in the mining and processing of nuclear materials; corporations are even allowed to own and operate nuclear power plants and their record has so far been exemplary.
Second, it would be easy for the Department of Atomic Energy & Atomic Energy Regulatory Board to regularly audit or supervise the processing of monazite until the uranium and thorium are separated, which usually comes off in the first stage of monazite processing. The uranium and thorium values can be given to the Government by the private sector to fuel its nuclear reactors. With plans to boost nuclear energy to 63 GW by 2030, this would supplement the requirement of Uranium in the country.
India stands on the cusp of another mini-revolution â€“ what information technology was to the 1990s, rare earths promise to be for the 2020s. Development of this sector can drastically alter the global market as well as domestic conditions in strategic, economic, as well as social terms. As a major exporter of such an important resource, India stands to gain some political leverage â€“ as China does today - in its dealings with other powers.
Monazite on display. Image: By Ra'ike via Wikimedia Commons
Proper leveraging of this industry could also shift the balance of Indiaâ€™s economy from deficit (import driven) economy to surplus economy (export driven). Some of these elements even cost as high as Rs. 10 lakhs per kg. Not just that, because of the strategic applications of minerals in the defence sector, developed nations would rely on us, which could lead to a favoured strategic partnership.
For over a century, the occurrence of these minerals and Indiaâ€™s dominant resources are well known but nothing has been done so far. If we wait longer, the relevance and strategic advantages of these minerals may be lost with the entry of alternate and substitute materials.
All that remains is for Delhi to get over its irrational fear â€“ protectionism? â€“ of the private sector in handling radioactive materials.
Note: The views expressed here are the personal opinions of the author.