Page 19 - Steel Tech India eMagazine Volume April 2023
P. 19

92/     Ć ,668(   Ć $SULO

            3URVSHFWV RI +\GURJHQ 8VH LQ 6WHHO ,QGXVWU\

            I. N. P. Gupta & P. Banerjee

            5HVHDUFK   'HYHORSPHQW &HQWUH IRU ,URQ   6WHHO  6$,/  5DQFKL  ,1',$















                                                                Steel industry has access to techQRORJLHV WR PDQDJH
             $EVWUDFW
                                                                PRVW FRPPRQ HPLVVLRQV  62[  12[  GXVW  KHDY\ PHWDOV
             6WHHO  0DNLQJ  LV  DQ  HQHUJ\  LQWHQVLYH  SURFHVV  DQG   HWF    WKDW  FDQ  PHHW  LQFUHDVLQJO\  VWULQJHQW  UHJXODWRU\
             FRQVHUYDWLRQ RI HQHUJ\ LV RQH RI WKH PRVW HႇHFWLYH   UHTXLUHPHQWV   +RZHYHU   PLWLJDWLRQ  RI  &2   HPLVVLRQV
                                                                                                      2
             ZD\V WR LPSURYH WKH HQHUJ\ HႈFLHQF\ ZLWK LPSURYHG   still elude the industry, as ore based processes, such
             HQYLURQPHQWDO IRRWSULQW DQG VLPXOWDQHRXV UHGXFWLRQ
             LQ  RSHUDWLRQDO  FRVW   6WHHO  SURGXFWLRQ  DFFRXQWV  IRU   DV  WKH  EODVW  IXUQDFH   VPHOWLQJ  UHGXFWLRQ  DQG  GLUHFW
             DURXQG      RI  JOREDO  HQHUJ\  GHPDQG  DQG      RI   UHGXFWLRQ  SURFHVVHV   QHFHVVLWDWH  WKH  XVH  RI  FDUERQ
             total  CO   HPLVVLRQV  IURP  WKH  HQHUJ\  V\VWHP   &2    and  H   based  reducing  agents,  including  the  energy
                                                                     2
                     2                                     2    VRXUFHV FRDO  RLO  QDWXUDO JDV DQG WKHLU GHULYDWLYHV OLNH
             HPLVVLRQV FDQ EH UHGXFHG E\ DGRSWLQJ ORZ FDUERQ
             VRXUFHV  RI  HQHUJ\  RU  UHGXFWLRQ  DJHQWV   XVXDOO\   FRNH  WR EULQJ DERXW UHGXFWLRQ RI LURQ R[LGH WR LURQ DW
             XVLQJ +\GURJHQ  7KLV SDSHU GLVFXVV EULHÀ\ DERXW LWV   KLJK WHPSHUDWXUH  )XUWKHU  &2  HPLWWLQJ ÀX[HV VXFK DV
                                                                                          2
             SURGXFWLRQ  JOREDO HႇRUWV DQG FKDOOHQJHV DKHDG IRU   OLPHVWRQH DQG GRORPLWH DUH LQWURGXFHG  HLWKHU GLUHFWO\
             Hydrogen’s use in steel industry.                  RU DIWHU EHLQJ FRQYHUWHG WR TXLFNOLPH  LQWR VWHHOPDNLQJ
                                                                SURFHVVHV WR UHPRYH LPSXULWLHV  3URFHVV &2  HPLVVLRQV
                                                                                                      2
            .H\ZRUGV  +\GURJHQ  (PLVVLRQ DQG (QHUJ\             IURP  IHUURDOOR\  SURGXFWLRQ  LQFOXGH  IXUWKHU  HPLVVLRQV
            ,1752'8&7,21                                        IURP WKH XVH RI OLPH ÀX[HV  WRJHWKHU ZLWK WKRVH IURP
                                                                WKH FRQVXPSWLRQ RI FDUERQ FRQWDLQLQJ HOHFWURGHV DQG
            The  steel  industry  worldwide  is  the  single  biggest
                   LQGXVWULDO  HQHUJ\  FRQVXPHU  DFFRXQWLQJ  IRU   WKH FDOFLQDWLRQ RI FDUERQDWHV SUHVHQW LQ YDULRXV RUHV
            DSSUR[LPDWHO\    RI JOREDO ¿QDO HQHUJ\ FRQVXPSWLRQ   $  VPDOO  DPRXQW  RI  SURFHVV  &2   HPLVVLRQV  LV  DOVR
                                                                                              2
            DQG      RI  JOREDO  HQHUJ\  VHFWRU  &2   HPLVVLRQV   JHQHUDWHG GXULQJ WKH FRQVXPSWLRQ RI JUDSKLWH DQRGHV
                                                  2
             LQFOXGLQJ SURFHVV HPLVVLRQV  LQ      > @  2ZLQJ WR LWV   in EAFs.
            ODUJH GHSHQGHQFH RQ FRDO EDVHG IXHOV DQG UHGXFWLRQ   :K\ +\GURJHQ 8VH
            DJHQWV ±       )LJ     > @  LW FRQWULEXWHV WR DURXQG D   7RGD\  VHYHUDO FOHDQHU SDWKZD\V DUH XQGHU GHYHORSPHQW
            TXDUWHU RI LQGXVWULDO &2  HPLVVLRQV
                                 2                              WKDW  ZRXOG  VLJQL¿FDQWO\  UHGXFH  &2   HPLVVLRQV  IRU
                                                                                                 2
                                                                SULPDU\ LURQ DQG VWHHO SURGXFWLRQ  7KHVH FDQ EH GLYLGHG
                                                                EURDGO\ LQWR WZR FDWHJRULHV
                                                                ‡  ³&2   PDQDJHPHQW´  SDWKZD\V  DLP  WR  UHFRYHU  DQG
                                                                      2
                                                                  PDQDJH  WKH  &2   DVVRFLDWHG  ZLWK  WUDGLWLRQDO  IRVVLO
                                                                                 2
                                                                  IXHO EDVHG URXWHV  XVXDOO\ YLD WKH GLUHFW DSSOLFDWLRQ
                                                                  RI FDUERQ FDSWXUH  XWLOLVDWLRQ DQG VWRUDJH  &&86

                                                                ‡  ³&2   DYRLGDQFH´  SDWKZD\V  VHHN  WR  DYRLG  PRVW  RI
                                                                      2
                                                                  the CO  HPLVVLRQV HQWLUHO\ E\ DGRSWLQJ ORZ FDUERQ
                                                                         2
                                                                  VRXUFHV RI HQHUJ\ RU UHGXFWLRQ DJHQWV  XVXDOO\ XVLQJ
                                                                  +\GURJHQ  +
            )LJ     *OREDO HQHUJ\ GHPDQG RI VWHHO LQGXVWU\ VHFWRU E\ IXHO     2

            STEEL TECH
   14   15   16   17   18   19   20   21   22   23   24