Page 13 - Steel Tech India eMagazine Volume April 2024

92/ Ć ,668( Ć 2FWREHU

)LJ 6XEVWLWXWLQJ SRUWLRQV RI WKH FRDO FRNH XVHG LQ %) ZLWK K\GURJHQ
VXEVWLWXWLRQ RI IRVVLO IXHOV ZKLOH VWLOO XVLQJ H[LVWLQJ 7KH ¿UVW PHWKRG SUHVHQWV EHWWHU VKRUW WHUP SURVSHFWV
HTXLSPHQW 2YHUDOO FRQWHQW RI + LQ JDV LQMHFWLRQ LQ %) + '5, WHFKQRORJ\ LV XQGHU GHYHORSPHQW FXUUHQWO\
2 2
VKRXOG EH FRQVLGHULQJ DOO OLPLWDWLRQV + LQ %)
2 DQG LW LV H[SHFWHG WR EH DYDLODEOH DW FRPPHUFLDO VFDOH
KDV WKH SRWHQWLDO WR UHGXFH HPLVVLRQV LQ FRNH SODQW DOVR GXULQJ 7KHRUHWLFDOO\ NJ DQG SUDFWLFDOO\
DV LW UHGXFHV WKH DPRXQW RI FRNH QHHGHG +\GURJHQ DURXQG NJ RI K\GURJHQ ZLOO EH UHTXLUHG WR
XVDJH LQ %) FDQ EH FRQVLGHUHG DV D WUDQVLWLRQ WRZDUGV SURGXFH HDFK WRQQH RI VWHHO WKURXJK + '5, ($) URXWH
H '5, WR SURYLGH HPLVVLRQ UHGXFWLRQV LQ WKH QHDU WHUP 2
2 WRQQHV SHU KRXU RI K\GURJHQ VKDOO EH UHTXLUHG IRU
&KDOOHQJH LQ K\GURJHQ XWLOL]DWLRQ LQ %) VWHHO SODQW RI PLOOLRQ WRQQH FDSDFLW\ WKURXJK '5, ($)
,W LV QRW IHDVLEOH WR XVH RQO\ K\GURJHQ LQ D %) IRU route.
UHGXFWLRQ DV RSHUDWLRQDO UHTXLUHPHQWV OLPLW KLJKHU &KDOOHQJHV RI K\GURJHQ XVH LQ GLUHFW
H VXEVWLWXWLRQ RU IXOO + operation. Increasing H
2 2 2 UHGXFWLRQ
FRQFHQWUDWLRQ ZLOO JUDGXDOO\ UHSODFH H[RWKHUPLF UHDFWLRQ
WR HQGRWKHUPLF ORZHULQJ GRZQ WKH WHPSHUDWXUH DQG ([LVWLQJ JDV EDVHG SURGXFWLRQ RI GLUHFW UHGXFHG LURQ LV
GLVWXUELQJ WKH EDVLF FKHPLVWU\ LQVLGH WKH %) DQG SDUWO\ K\GURJHQ EDVHG ZLWK QDWXUDO JDV DV WKH VRXUFH
LQÀXHQFH WHPSHUDWXUH JDV XWLOL]DWLRQ UDWH UHDFWLRQ UDWH RI K\GURJHQ &RQYHUWLQJ WR IXOO\ K\GURJHQ EDVHG
HWF 3UH KHDWLQJ RI K\GURJHQ ZLOO EH QHFHVVDU\ IRU WKH UHGXFWLRQ DQG WKH HOLPLQDWLRQ RI FDUERQ PRQR[LGH
ODUJH DPRXQW K\GURJHQ LQMHFWLRQ IURP WKH SURFHVV ZRXOG KDYH VRPH LPSRUWDQW SUDFWLFDO
LPSOLFDWLRQV 2YHU DOO LW ZLOO EH HQGRWKHUPLF UHDFWLRQ ZLWK
%) LV D UHDFWRU WKDW FRQWLQXRXVO\ SHUIRUPV KHDWLQJ
UHGXFWLRQ DQG PHOWLQJ /HVV FRNH DQG PRUH K\GURJHQ H DQG WKHUHIRUH K\GURJHQ SUHKHDWLQJ ZLOO EH UHTXLUHG
2
LQSXW WR %) ZLOO FDXVH OHVV JDV SHUPHDELOLW\ )LJ 'LUHFW UHGXFHG LURQ E\ K\GURJHQ UHGXFWLRQ ZRXOG EH
(QVXULQJ PD[LPXP JDV SHUPHDELOLW\ IRU VWDEOH UHDFWLRQ ZHDNHU UHTXLULQJ KRW EULTXHWWLQJ )XUWKHU HOLPLQDWLRQ
DQG PHOWLQJ ZLWK OHVV FRNH LQ WKH %) ZLOO EH UHTXLUHG RI FDUERQ IURP WKH '5, ± DQG KHQFH IURP HOHFWULF DUF
+\GURJHQ XVHV LQ '5, SURGXFWLRQ IXUQDFH VWHHOPDNLQJ ± ZRXOG QHJDWLYHO\ DႇHFW WKH DELOLW\
WR FRQWURO QLWURJHQ LQ HOHFWULF IXUQDFH VWHHOPDNLQJ .

There are two ways to utilise hydrogen to reduce
HPLVVLRQV LQ '5, PDQXIDFWXUH 0DWKHPDWLFDO PRGHOOLQJ FDQ SURYLGH YDOXDEOH FOXHV IRU
‡ EOHQG K\GURJHQ LQWR H[LVWLQJ IDFLOLWLHV WKDW XVH DVVHVVLQJ WKH SHUIRUPDQFH RI D IXWXUH VKDIW IXUQDFH
8
QDWXUDO JDV operated under pure H . Since DRI produced through
2
K\GURJHQ UHGXFWLRQ ZLOO KDYH QR FDUERQ LQ LW LW PD\ EH
‡ VZLWFK WR SXUH K\GURJHQ IRU WKH LURQ RUH UHGXFWLRQ XWLOL]HG IRU SURGXFLQJ ORZ FDUERQ JUades.
+ '5,
2
STEEL TECH