2024年1-2月，重(zhong)點(dian)統計鋼(gang)鐵企業用(yong)水(shui)量150.58億立(li)方米，同(tong)(tong)(tong)(tong)比(bi)增加5.79億立(li)方米，同(tong)(tong)(tong)(tong)比(bi)增長(chang)4.0%。其中(zhong)：取(qu)水(shui)量較(jiao)上(shang)年同(tong)(tong)(tong)(tong)期減少166.52萬立(li)方米，同(tong)(tong)(tong)(tong)比(bi)下(xia)降0.68%；重(zhong)復(fu)利用(yong)量較(jiao)上(shang)年同(tong)(tong)(tong)(tong)期增加5.80億立(li)方米，同(tong)(tong)(tong)(tong)比(bi)增長(chang)4.08%。重(zhong)復(fu)利用(yong)率98.37%，同(tong)(tong)(tong)(tong)比(bi)提高(gao)0.08個百(bai)分點(dian)；噸鋼(gang)取(qu)水(shui)量2.21立(li)方米/噸，同(tong)(tong)(tong)(tong)比(bi)下(xia)降2.71%。
排(pai)水(shui)量(liang)較(jiao)上年同期減少717.21萬立方米，同比下降(jiang)18.18%。廢水(shui)中化學(xue)需氧量(liang)、氨氮(dan)、揮發酚(fen)、總氰化物(wu)(wu)、懸(xuan)浮(fu)物(wu)(wu)、石油類污染物(wu)(wu)排(pai)放量(liang)同比下降(jiang)25.53%、48.78%、19.14%、23.26%、46.13%。
廢(fei)(fei)氣排(pai)放總量(liang)(liang)同(tong)比增長12.96%。廢(fei)(fei)氣中二氧化(hua)硫(liu)、顆粒物(wu)(wu)、氮(dan)氧化(hua)物(wu)(wu)排(pai)放量(liang)(liang)分別同(tong)比下降(jiang)7.30%、6.57%、7.15%。噸(dun)(dun)鋼二氧化(hua)硫(liu)排(pai)放量(liang)(liang)0.19千(qian)克/噸(dun)(dun)，同(tong)比下降(jiang)12.63%；噸(dun)(dun)鋼顆粒物(wu)(wu)排(pai)放量(liang)(liang)0.20千(qian)克/噸(dun)(dun)，同(tong)比下降(jiang)9.67%；噸(dun)(dun)鋼氮(dan)氧化(hua)物(wu)(wu)排(pai)放量(liang)(liang)0.35千(qian)克/噸(dun)(dun)，同(tong)比下降(jiang)9.10%。
鋼渣產(chan)生(sheng)量1371.08萬噸，同比(bi)(bi)增(zeng)長1.53%。高爐渣產(chan)生(sheng)量3599.88萬噸，同比(bi)(bi)增(zeng)長1.69%。含鐵(tie)塵泥產(chan)生(sheng)量658.74萬噸，同比(bi)(bi)增(zeng)長5.19%。鋼渣利用率(lv)98.72%，比(bi)(bi)上(shang)年同期提高0.45個百分點(dian)(dian)；高爐渣利用率(lv)97.87%，比(bi)(bi)上(shang)年同期減少0.18個百分點(dian)(dian)；含鐵(tie)塵泥利用率(lv)99.88%，比(bi)(bi)上(shang)年同期增(zeng)加0.42個百分點(dian)(dian)。
高(gao)爐(lu)煤氣(qi)(qi)產(chan)生量1478.12億立方(fang)米(mi)，同(tong)比(bi)增(zeng)長(chang)0.06%。轉(zhuan)爐(lu)煤氣(qi)(qi)產(chan)生量134.99億立方(fang)米(mi)，同(tong)比(bi)增(zeng)長(chang)10.09%。焦爐(lu)煤氣(qi)(qi)產(chan)生量90.25億立方(fang)米(mi)，同(tong)比(bi)增(zeng)長(chang)7.89%。高(gao)爐(lu)煤氣(qi)(qi)利(li)(li)用(yong)率98.94%，比(bi)上年(nian)同(tong)期提高(gao)0.40個(ge)百(bai)分點(dian)。轉(zhuan)爐(lu)煤氣(qi)(qi)利(li)(li)用(yong)率98.0%，比(bi)上年(nian)同(tong)期減少0.15個(ge)百(bai)分點(dian)；焦爐(lu)煤氣(qi)(qi)利(li)(li)用(yong)率98.72%，比(bi)上年(nian)同(tong)期增(zeng)加0.32個(ge)百(bai)分點(dian)。（中鋼協） |
