Page 71 - Steel Tech India eMagazine Volume April 2022
P. 71

VOL. 16 • NO. 3 • April 2022

                 enhancement  and cost  effective production  which is   It is quite evident that India is in a growth path and
                 the key for success of any business.  he wished the   steel production is envisaged to reach minimum 450
                 seminar a success.                                 million tonne by mid-century years. tata Steel has also
                 Mr. Aurindam Dey:                                  announced its ambitious growth path and would like to
                                                                    produce 40 million tonne by 2030. the similar strategy
                                                                    has been adopted by many other steel companies in
                                                                    the country. At the same time demand and production of
                                                                    stainless steel is also growing in India, which indicates
                                                                    the growing demand for ferroalloys.  however, along
                                                                    with the growth in the steel sector a serious attempt
                                                                    is  being  made  Worldwide  to  decarbonize  the  steel
                                                                    industry which would be feasible only if the supply chain
                                                                    as a whole emberks on the journey of decarbonization.
                                                                    currently in a typical integrated steel plant in India we
                 he mentioned about IMR, its activities and future   produce 2.5 t of cO2 per tonne of steel where as to
                 plans for India. he mentioned his long association with   produce one tonne of high carbon ferromanganese
                 Steel tech and its team and the good work being    we produce 4.5 t of cO2. the amount of energy spent
                 done by them. he narrated about 5 trillion $ economy   in  ferroalloy  making  is  quite  substantial.  therefore,
                 dream of India and along with it associated 300 million   while we are in the growth path we need to think
                 tonne of steel, 1.5 billion tonne of coal etc. but at the   and try to reduce the  energy consumption  and  cO2
                 same time the crisis and turmoil being faced around   emission wherever possible in ferroalloy production. If
                 the world such as covid, commodity prices fluctuations   we analyze, we find during mining operation the CO2
                 and its cycles etc.  however, one needs a resilient   emission is not that much but most of cO2 is emitted
                 industry structure which can weather these storms   during production of ferroalloys which comes from
                 which is true for steel, ferroalloys and for that a lot of   mainly two sources. the first one is electricity which is
                 consolidation is happening in steel and other areas as   yet to be green but will be so in next couple of decades
                 well to increase its efficiency, economies of scale etc.   or so and the second is coke. the process of ferro-alloy
                 With this consolidation happening in ferroalloys industry   making requires material preparation and it’s a step-by-
                 would rise to the challenges in supplying to the Indian
                 steel industry and export as well. he wished all the best   step process. In the process chain we need to analyze
                 to the seminar and a good networking opportunity for   and find out where we can reduce energy consumption
                 the participants.                                  and reduce the use of coal. One such thought process
                                                                    would be to use the off-gases of ferroalloys plants e.g. in
                 Dr. Saurabh Kundu, the Keynote Speaker:
                                                                    ferrochrome making there is very little indirect reduction
                                                                    and mostly it is direct reduction therefore the flue gases
                                                                    contain a lot of cO. tata Steel is considering how to use
                                                                    this cO rich gas in pre-reduction of the ore. It has also
                                                                    been suggested  that use of Dc arc furnace  in place
                                                                    of Ac arc would reduce energy consumption and as a
                                                                    result cO2 emission during ferro-alloy production.
                                                                    DrKundu also gave an idea for the ferroalloy industries
                                                                    to expand its customer base from steel industry to other
                                                                    industries as well. For example to mine one tonne of
                 Delegates were eagerly waiting to listen to DrKundi, the   chromite ore around 5-10 tonne of overburden is
                 keynote speaker of the seminar.                    generated which has Cobalt and Nickel which are not
                                                                    recovered currently. there is now an attempt being done
                 DrKundi thanked the organizer for inviting him in this
                 seminar and shared his experiences and the way     to recover Ni and Cobalt from these overburden which
                 tata Steel is thinking about ferroalloys and its related   can go to battery application directly. that will help in
                 advantages.                                        increasing the profitability of ferro-alloy industries and

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