Page 15 - Steel Tech India eMagazine Volume April 2023
P. 15
92/ Ć ,668( Ć $SULO
,QGLDQ &RDO DQG &RNH 6FHQDULR DQG 8VH RI /RZ
*UDGH &RDOV IRU ,URQ 0DNLQJ
Bidyut Das, Abhinav Kumar Soni, A Suresh, Pratik Swarup Dash
5HVHDUFK DQG 'HYHORSPHQW 7$7$ 67((/ -DPVKHGSXU ,1',$
carbonaceous additives and briquettes containing
$EVWUDFW
ZDVWH PDWHULDOV VXFK DV WDU GHFDQWHU VOXGJH DQG SLWFK
7KH ,QGLDQ FRDO DQG FRNH VFHQDULR SUHVHQWV D FRPSOH[ OLNH UHVLGXH KDYH EHHQ LQYHVWLJDWHG > @
ODQGVFDSH LQ WKH FRQWH[W RI LURQPDNLQJ DQG HQHUJ\
production. India possesses a vast coal reserve, but .H\ FKDOOHQJH DVVRFLDWHG ZLWK PRVW ,QGLDQ FRDOV LV WKH
WKH TXDOLW\ LV XQDFFHSWDEOH IRU XVH LQ LURQPDNLQJ FRQVLGHUDEOH SURSRUWLRQ RI ¿[HG DVK UHVXOWLQJ IURP WKH
7KH XVH RI ORZ JUDGH FRDOV LQ LURQPDNLQJ KDV JDLQHG ³GULIW RULJLQ´ RI *RQGZDQD IRUPDWLRQ GXULQJ WKH 3HUPLDQ
attention as a potential solution. While low grade DJH 7KH DVK FRQWHQW LQ FRNLQJ FRDOV H[WUDFWHG GLUHFWO\
FRDOV DUH DEXQGDQW WKHLU KLJK PLQHUDO PDWWHU FRQWHQW IURP PLQHV FDQ EH DV KLJK DV > @ 7KLV KLJK
DQG ORZ FDORUL¿F YDOXH SRVHV FKDOOHQJHV +RZHYHU DVK FRQWHQW KDV DGYHUVH LPSOLFDWLRQV IRU FRDO ÀXLGLW\
WHFKQRORJLFDO DGYDQFHPHQW LQ FRDO EHQH¿FLDWLRQ DQG GHWHULRUDWH FRDO¶V VZHOOLQJ DQG ÀXLGLW\ SURSHUWLHV
DQG FRDO JDVL¿FDWLRQ RႇHUV SURPLVLQJ DYHQXHV IRU > > @ 0RUHRYHU HOHYDWHG FRQFHQWUDWLRQV RI WKHVH
XWLOL]DWLRQ RI ORZ JUDGH FRDOV (ႈFLHQW XWLOL]DWLRQ RI PHWDOV LQFUHDVH FRNH UHDFWLYLW\ > @ WKHUHE\ QHJDWLYHO\
WKHVH FRDOV FDQ HQKDQFH ,QGLD¶V VHOI UHOLDQFH UHGXFH LPSDFWLQJ WKH TXDOLW\ RI FRNH SURGXFHG +HQFH LW
LPSRUW GHSHQGHQFH DQG PLWLJDWH HQYLURQPHQWDO EHFRPHV LPSHUDWLYH WR UHGXFH WKH PLQHUDO PDWWHU LQ
LPSDFWV ZKLOH VWUHQJWKHQLQJ WKH LURQPDNLQJ VHFWRU¶V ,QGLDQ QRQ FRNLQJ FRDOV WKURXJK EHQH¿FLDWLRQ WUHDWPHQWV
VXVWDLQDELOLW\ DQG FRPSHWLWLYHQHVV WR REWDLQ PHWDOOXUJLFDO FRNH VXLWDEOH IRU EODVW IXUQDFH
RSHUDWLRQV 8QWLO WKH HDUO\ V WKH EHQH¿FLDWLRQ RI
.H\ZRUGV /RZ JUDGH &RDO &RNH ,URQ PDNLQJ QRQ FRNLQJ FRDO LQ ,QGLD UHFHLYHG OLPLWHG DWWHQWLRQ GXH
WR LWV ORZ YDOXH ZKLFK PDGH WKH FRVW RI WKH SURFHVV
,QWURGXFWLRQ
HFRQRPLFDOO\ XQYLDEOH > @ 3UHVHQWO\ ÀRWDWLRQ VWDQGV
,QGLD SRVVHVVHV DQ HVWLPDWHG FRDO UHVHUYH RI DURXQG DV WKH VROH YHUVDWLOH EHQH¿FLDWLRQ SURFHVV HPSOR\HG
ELOOLRQ WRQQHV RI ZKLFK QRQ FRNLQJ FRDOV DFFRXQW IRU ¿QH FRDO SURFHVVLQJ LQ ,QGLD > @ 5HFHQW VWXGLHV
IRU DSSUR[LPDWHO\ ELOOLRQ WRQQHV RU RI WKH WRWDO KDYH H[SORUHG GLႇHUHQW RUJDQLF FRPSRXQGV DV IURWKHUV
GHSRVLWV > @ $V D UHVXOW WKHUH LV D OLPLWHG DYDLODELOLW\ IRU GH DVKLQJ ,QGLDQ FRNLQJ FRDOV WKURXJK IURWK ÀRWDWLRQ
RI FRNLQJ FRDO ZLWKLQ WKH FRXQWU\ OHDGLQJ WR WKH QHHG > @ %DUPD HW DO KDYH DOVR H[DPLQHG WKH FKHPLFDO
WR LPSRUW QHDUO\ RI WKH UHTXLUHG FRNLQJ FRDO EHQH¿FLDWLRQ RI KLJK DVK ,QGLDQ QRQ FRNLQJ FRDO XVLQJ
IRU WKH ,QGLDQ PHWDOOXUJLFDO LQGXVWU\ ,Q UHFHQW \HDUV DONDOL OHDFKLQJ > @ +RZHYHU WKH LQWHUPL[LQJ RI RUJDQLF
WKHUH KDV EHHQ VLJQL¿FDQW LQWHUHVW LQ XWLOL]LQJ ,QGLDQ PDWWHU DQG LQHUWV SRVHV FKDOOHQJHV WR ZDVKLQJ PRVW
QRQ FRNLQJ FRDOV LQ FRNH RYHQ EOHQGV WR UHGXFH FRVWV ,QGLDQ FRDOV WKHUHE\ HVWDEOLVKLQJ WKH FXW Rႇ DVK OHYHO
ZKLOH PDLQWDLQLQJ WKH TXDOLW\ RI WKH UHVXOWLQJ FRNH 7KH IRU FRNH SURGXFWLRQ EHWZHHQ DQG FRQWLQJHQW
TXDOLW\ RI FRNH LV SULPDULO\ GHWHUPLQHG E\ LWV FROG DQG upon coal characteristics and the available washing
KRW PHFKDQLFDO VWUHQJWKV DV ZHOO DV LWV UHDFWLYLW\ ZLWK HTXLSPHQW DW WKH ZDVKHU\ > @
CO DW KLJK WHPSHUDWXUHV $PRQJ WKHVH SDUDPHWHUV
2 /RZ *UDGH &RDOV IRU ,URQ 0DNLQJ
FRNH VWUHQJWK DIWHU UHDFWLRQ &65 DQG FRNH UHDFWLYLW\
LQGH[ &5, SOD\V D FUXFLDO UROH LQ GHWHUPLQLQJ WKH 7KH XVH RI ORZ JUDGH FRDOV IRU LURQ PDNLQJ LV JDLQLQJ
RSWLPDO SURSRUWLRQ RI QRQ FRNLQJ FRDOV LQ LQGXVWULDO attention in India due to the country’s increasing
EOHQGV 7R XWLOL]H WKH ORZ JUDGH FRDOV LQ FRNH PDNLQJ GHPDQG IRU FRNH DQG FRNLQJ FRDO /RZ JUDGH FRDOV
STEEL TECH
