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Usage of Natural Gas in

Modern Steel-making

A Financial and Environmental Evaluation of

Available Steel-making Technology in Sweden

WILLIAM WADBRANT

KTH

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3 | P a g e 𝐹𝑒2𝑂3+ 3𝐶𝑂 → 2𝐹𝑒 + 3𝐶𝑂2 𝐶𝑂2 𝐶𝑂2 322 360 469 500 595 785 723 850 1129 1994 2000 2005

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4 | P a g e

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8 | P a g e

𝑁𝑚3 𝑁𝑚3 𝑚3

𝑔/𝑐𝑚3

(14)
(15)

10 | P a g e 150 200 250 300 350 400 11/23/2015 11/23/2016 11/23/2017 11/23/2018 11/23/2019

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11 | P a g e

𝑁𝑚3

𝑁𝑚3

±

(17)

12 | P a g e

𝐶𝑂2

𝐶𝑂2

𝐶𝑂2

(18)
(19)

14 | P a g e

𝑡𝑜𝑛/𝑚3

(20)

15 | P a g e

𝐹𝑒𝑂 + 𝐶 → 𝐹𝑒 + 𝐶𝑂

∆𝐻 = + 37 220 𝐶𝑎𝑙)

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16 | P a g e

𝑁𝑚3

(22)

17 | P a g e

(23)
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(25)
(26)
(27)
(28)
(29)
(30)
(31)

26 | P a g e

(32)

27 | P a g e

𝐶𝑂2

𝐶𝑂2

𝐶𝑂2

(33)
(34)

29 | P a g e

𝐶𝑂2

𝐶𝑂2

(35)
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(37)
(38)
(39)
(40)
(41)

References

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