{"id":7471,"date":"2020-04-01T14:30:38","date_gmt":"2020-04-01T06:30:38","guid":{"rendered":"https:\/\/www.soic.org.tw\/?p=7471"},"modified":"2020-07-24T11:35:56","modified_gmt":"2020-07-24T03:35:56","slug":"%e8%88%b9%e8%88%b6%e7%ac%a6%e5%90%88marpol-tier%e2%85%a2%e7%9a%847%e7%a8%ae%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.soic.org.tw\/en\/%e8%88%b9%e8%88%b6%e7%ac%a6%e5%90%88marpol-tier%e2%85%a2%e7%9a%847%e7%a8%ae%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u8239\u8236\u7b26\u5408MARPOL 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srcset=\"https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/2-3.jpg 517w, https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/2-3-236x200.jpg 236w, https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/2-3-450x382.jpg 450w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><\/p>\n<h5 style=\"text-align: center;\">\u5716\u7247\u4f86\u6e90\uff1aIMO.org<\/h5>\n<p>Tier\u2162\u6392\u653e\u6a19\u6e96\u50c5\u9069\u7528\u65bcNECA\uff08NOx\u6392\u653e\u7ba1\u5236\u5340\uff09\u3002\u5728NECA\u4e4b\u5916\u5247\u9069\u7528\u65bcTier\u2161\u3002\u7576\u524d\u7684NECA\u5730\u5340\u70ba\u5317\u7f8e\u5730\u5340\u548c\u7f8e\u5c6c\u52a0\u52d2\u6bd4\u6d77\u5730\u5340\u3002Tier\u2162\u4e5f\u5c07\u9069\u7528\u65bc\u57282016\u5e741\u67081\u65e5\u6216\u4e4b\u5f8c\u5efa\u9020\u7684\u8239\u8236\u3002<\/p>\n<ul>\n<li>\n<h4><strong>\u8239\u8236\u662f\u5426\u5df2\u7d93\u6e96\u5099\u597d\u9054\u5230<\/strong>Tier\u2162<strong>\u6392\u653e\u6a19\u6e96\uff1f<\/strong><\/h4>\n<\/li>\n<\/ul>\n<p>\u70ba\u7b26\u5408Tier\u2162\u4e4b\u8981\u6c42\uff0c\u8239\u8236\u5fc5\u9808\u5b89\u88dd\uff0c\u6216\u52a0\u88dd\u80fd\u4f7fNOx\u964d\u4f4e\u5230Tier\u2162\u4ee5\u4e0b\u7684\u8a2d\u5099\uff0f\u7cfb\u7d71\u3002\u70ba\u9054\u5230Tier\u2162\u4e4b\u8981\u6c42\uff0c\u4e0b\u65b9\u5171\u5217\u51fa\u4e03\u7a2e\u65b9\u6cd5\u3002<\/p>\n<ol>\n<li>\n<h4><strong>\u9078\u64c7\u6027\u89f8\u5a92\u9084\u539f\u6cd5\uff08Selective catalystic reduction, SCR\uff09<\/strong><\/h4>\n<\/li>\n<\/ol>\n<p>\u5728\u9019\u5957\u7cfb\u7d71\u4e2d\uff0c\u5c3f\u7d20\u6216\u6c28\u88ab\u6ce8\u5165\u5ee2\u6c23\u5f8c\u6703\u7d93\u904e\u4e00\u500b\u6709\u7279\u6b8a\u89f8\u5a92\u5857\u5c64\u7684\u88dd\u7f6e\uff0c\u6b64\u6642\u6eab\u5ea6\u7d04\u5728\u651d\u6c0f300\u5230400\u5ea6\u4e4b\u9593\uff0c\u6c28\u6703\u8207\u5ee2\u6c23\u4e2d\u7684NOx\u7522\u751f\u5316\u5b78\u53cd\u61c9(\u5c3f\u7d20\u8207\u5ee2\u6c23\u767c\u751f\u53cd\u61c9\u5f62\u6210\u6c28)\uff0c\u5c07NOx\uff08NO\u548cNO<sub>2<\/sub>\uff09\u9084\u539f\u70baN<sub>2<\/sub>\u3002SCR\u88dd\u7f6e\u5247\u662f\u5b89\u88dd\u5728\u6392\u6c23\u6b67\u7ba1\uff0f\u63a5\u6536\u5668\u548c\u6e26\u8f2a\u589e\u58d3\u5668\u4e4b\u9593\u3002<\/p>\n<p>\u7531\u65bcSCR\u88dd\u7f6e\u4e0a\u5b58\u5728\u58d3\u964d\u53caNOx\u9700\u5728\u7279\u5b9a\u6eab\u5ea6\u7bc4\u570d\u5167\uff08\u651d\u6c0f300~400\u5ea6\uff09\u624d\u80fd\u9084\u539f\u70baN<sub>2<\/sub>\uff0c\u56e0\u6b64\u8a72\u7cfb\u7d71\u9700\u8981\u9ad8\u6548\u7684\u6e26\u8f2a\u589e\u58d3\u6a5f\u4e14\u5f15\u64ce\u8ca0\u8f09\u904b\u8f49\u81f3\u5c11\u61c9\u70ba40\uff05\u6216\u66f4\u9ad8\u3002<\/p>\n<p>\u5982\u679c\u6eab\u5ea6\u9ad8\u65bc\u651d\u6c0f400\u5ea6\uff0c\u6c28\u5c07\u958b\u59cb\u71c3\u71d2\uff0c\u800c\u975e\u8207NOx\u8d77\u5316\u5b78\u53cd\u61c9\uff0c\u9019\u5c07\u6703\u5c0e\u81f4\u7cfb\u7d71\u5931\u6548\uff1b\u5982\u679c\u6eab\u5ea6\u4f4e\u65bc\u651d\u6c0f270\u5ea6\uff0c\u5247\u53cd\u61c9\u901f\u7387\u6703\u964d\u4f4e\uff0c\u800c\u96a8\u4e4b\u5f62\u6210\u7684\u786b\u9178\u92a8\u5c07\u6703\u7834\u58de\u89f8\u5a92\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7476\" src=\"https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/3.gif\" alt=\"\" width=\"888\" height=\"679\" \/><\/p>\n<h5 style=\"text-align: center;\">\u5716\u7247\u4f86\u6e90\uff1avikingline.com<\/h5>\n<ul>\n<li>\u90e8\u5206B&amp;W\u5f15\u64ce\u4f7f\u7528DeNOx\u6216\u662fSiNOx\u7cfb\u7d71\uff0c\u5176\u4e2d\u4ea6\u4f7f\u7528SCR\u6280\u8853\u3002<\/li>\n<li>\u90e8\u5206Wartsila\u5f15\u64ce\u914d\u6709NOR(NOx\u6e1b\u91cf)\u7cfb\u7d71\uff0c\u6b64\u7cfb\u7d71\u4e5f\u61c9\u7528SCR\u6280\u8853\u3002<\/li>\n<\/ul>\n<p>\u85c9\u7531SCR\u6280\u8853\u53ef\u6e1b\u5c11\u8d85\u904e90\uff05\u7684\u6392\u653e\uff0c\u4e26\u9054\u5230Tier\u2162\u6392\u653e\u6a19\u6e96\u3002<\/p>\n<ol start=\"2\">\n<li>\n<h4><strong>\u5ee2\u6c23\u518d\u5faa\u74b0\uff08Exhaust Gas Recirculation, EGR\uff09\uff1a<\/strong><\/h4>\n<\/li>\n<\/ol>\n<p>\u5728\u9019\u9805\u6280\u8853\u4e2d\uff0c\u7d93\u6e26\u8f2a\u589e\u58d3\u5668\u8655\u7406\u7684\u90e8\u5206\u5ee2\u6c23\u5728\u901a\u904e\u6d17\u6ecc\u5668\u88dd\u7f6e\u5f8c\uff0c\u6703\u518d\u5faa\u74b0\u5230\u6383\u6c23\u63a5\u6536\u5668\u5167\u3002\u900f\u904eEGR\u6280\u8853\u53ef\u4f7fTier 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loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7478\" src=\"https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/4-2.jpg\" alt=\"\" width=\"1017\" height=\"622\" srcset=\"https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/4-2.jpg 633w, https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/4-2-300x183.jpg 300w, https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/4-2-450x275.jpg 450w\" sizes=\"auto, (max-width: 1017px) 100vw, 1017px\" \/><\/p>\n<h5 style=\"text-align: center;\">Image credits: Greenship.org<\/h5>\n<ol start=\"3\">\n<li>\n<h4><strong>\u6383\u6c23\u52a0\u6fd5(Scavange Air Moisturizing, SAM) :<\/strong><\/h4>\n<\/li>\n<\/ol>\n<p>\u5ee2\u6c23\u5728\u901a\u904e\u6e26\u8f2a\u589e\u58d3\u6a5f\u5f8c\u6eab\u5ea6\u6975\u9ad8\uff0c\u6b64\u6642\u6d77\u6c34\u88ab\u6ce8\u5165\u9ad8\u6eab\u7a7a\u6c23\u4e2d\u4f7f\u5176\u51b7\u537b\u53ca\u9054\u5230\u98fd\u548c\uff0c\u6b64\u70ba\u84b8\u993e\u904e\u7a0b\u6545\u53ef\u4f7f\u7528\u6d77\u6c34\u4ee3\u66ff\u6de1\u6c34\u3002\u900f\u904e\u5c07\u6383\u6c23\u6eab\u5ea6\u4fdd\u6301\u5728\u651d\u6c0f60\u81f370\u5ea6\u4e4b\u9593\uff0c\u4f86\u638c\u63a7\u7a7a\u6c23\u7684\u52a0\u6fd5\u3002\u7531\u65bc\u6c34\u7684\u50b3\u71b1\u80fd\u529b\u6bd4\u7a7a\u6c23\u4f86\u5f97\u9ad8\uff0c\u56e0\u6b64\u98fd\u548c\u7a7a\u6c23\u4e2d\u7684\u6c34\u53ef\u4ee5\u964d\u4f4e\u7d55\u71b1\u71c3\u71d2\u6eab\u5ea6\u3002<\/p>\n<p>\u9019\u9805\u6280\u8853\u53ef\u4ee5\u6e1b\u5c11\u7d0460\uff05\u7684NOx\u3002\u5c07\u6383\u6c23\u52a0\u6fd5\u8207\u5ee2\u6c23\u518d\u5faa\u74b0\u7b49\u6280\u8853\u7d50\u5408\u4f7f\u7528\uff0c\u5247\u53ef\u4ee5\u7b26\u5408Tier\u2162\u3002<\/p>\n<ol start=\"4\">\n<li>\n<h4><strong>\u7c73\u52d2\u5faa\u74b0(Miller Cycle)\uff1a<\/strong><\/h4>\n<\/li>\n<\/ol>\n<p>\u900f\u904e\u5728\u56db\u885d\u7a0b\u5f15\u64ce\u4e2d\u4f7f\u7528\u7c73\u52d2\u5faa\u74b0\u548c\u9ad8\u6548\u6e26\u8f2a\u589e\u58d3\u6a5f\uff0c\u610f\u5373\u5728\u4e0b\u6b62\u9ede\uff08Bottom Dead Center ,BDC\uff09\u4e4b\u524d\u63d0\u65e9\u95dc\u9589\u9032\u6c23\u9580\uff0c\u5c0e\u81f4\u9032\u6c23\u81a8\u8139\u8207\u51b7\u537b\uff0c\u5f9e\u800c\u964d\u4f4eNOx\u7684\u7522\u751f\u3002\u9019\u7a2e\u6e1b\u5c11NOx\u7684\u6280\u8853\u9700\u8981\u5169\u53f0\u6e26\u8f2a\u589e\u58d3\u5668\uff082\u968e\u6bb5\u6e26\u8f2a\u589e\u58d3\uff09\u3002\u6b64\u6280\u8853\u8207\u76f4\u63a5\u6ce8\u6c34\u539f\u7406\uff08Direct Water Injection, DWI\uff09\u548c\u5176\u4ed6\u6280\u8853\uff08\u5982\u4e73\u5316\u71c3\u6599\uff09\u642d\u914d\u4f7f\u7528\uff0c\u80fd\u4f7fNOx\u9060\u4f4e\u65bcTier\u2162\u6a19\u6e96\u3002<\/p>\n<ol start=\"5\">\n<li>\n<h4><strong>\u4f7f\u7528\u4f4e\u58d3\u71c3\u6c23\u5f15\u64ce<\/strong><\/h4>\n<\/li>\n<\/ol>\n<p>\u65b0\u578b\u8239\u7528\u5f15\u64ce\u4f7f\u7528\u4f4e\u58d3\u6db2\u5316\u5929\u7136\u6c23\uff08Liquefied Natural Gas, LNG\uff09\u4f5c\u70ba\u8239\u7528\u71c3\u6599\uff0c\u5728\u7b26\u5408Tier\u2162\u65b9\u9762\u5177\u6709\u66f4\u5927\u7684\u91cd\u8981\u6027\u3002\u4f8b\u5982\u82ac\u862d\u52d5\u529b\u7cfb\u7d71\u516c\u53f8\u74e6\u932b\u862d\uff08Wartsila\uff09\u958b\u767c\u4e86\u4f7f\u7528\u4f4e\u58d3\u6db2\u5316\u5929\u7136\u6c23\u4f5c\u70ba\u71c3\u6599\u7684\u4e8c\u885d\u7a0b\u96d9\u71c3\u6599\uff08Dual Fuel, DF\uff09\u6280\u8853\u5f15\u64ce\u3002\u8a72\u5f15\u64ce\u6839\u64da\u7a00\u8584\u71c3\u71d2\u539f\u7406\uff08\u76f8\u5c0d\u8f03\u9ad8\u7684\u7a7a\u71c3\u6bd4\uff09\uff0c\u5176\u4e2d\u71c3\u6c23\u6df7\u548c\u7269\u662f\u7531\u5f15\u71c3\u71c3\u6599\u6240\u9ede\u71c3\u3002\u8a72\u5f15\u64ce\u6700\u91cd\u8981\u7684\u767c\u5c55\u662f\u7121\u9808\u900f\u904e\u5ee2\u6c23\u8655\u7406\u7cfb\u7d71\u5373\u53ef\u9054\u5230Tier\u2162\u3002<\/p>\n<ol start=\"6\">\n<li>\n<h4><strong> CSNOx<\/strong><strong>\uff1a<\/strong><\/h4>\n<\/li>\n<\/ol>\n<p>\u65b0\u52a0\u5761\u85dd\u79d1\u79d1\u6280\uff08Ecospec\uff09\u958b\u767c\u51fa\u4e00\u5957\u540d\u70baCSNOx\u7684\u5ee2\u6c23\u8655\u7406\u7cfb\u7d71\uff0c\u8a72\u7cfb\u7d71\u4f7f\u7528\u6de1\u6c34\u6216\u6d77\u6c34\u901a\u904e\u8d85\u4f4e\u983b\u96fb\u89e3\u7cfb\u7d71\u3002\u5c07\u8655\u7406\u904e\u5f8c\u7684\u6c34\u8207\u5ee2\u6c23\u6df7\u5408\u53cd\u61c9\uff0c\u9032\u4e00\u6b65\u6e1b\u5c11NOx\u542b\u91cf\u3002\u8a72\u7cfb\u7d71\u5728\u4e00\u53f0\u7cbe\u5de7\u578b\u8a2d\u5099\u4e2d\u6e1b\u5c11\u4e86CO<sub>2<\/sub>\u3001SOx\u548cNOx\u7684\u6392\u653e\u3002\u8a72\u6280\u8853\u4ee5\u53ca\u4e0a\u8ff0\u5176\u4ed6\u6e1b\u5c11NOx\u6392\u653e\u7684\u6280\u8853\u53ef\u642d\u914d\u4f7f\u7528\uff0c\u4ee5\u7b26\u5408Tier\u2162\u3002CSNOx\u7684\u512a\u9ede\u5728\u65bc\u9ad8\u6548\u7387\u3001\u4f4e\u7dad\u8b77\u6210\u672c\u548c\u4f4e\u529f\u7387\u6d88\u8017\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7480\" src=\"https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/5.png\" alt=\"\" width=\"957\" height=\"684\" srcset=\"https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/5.png 600w, https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/5-280x200.png 280w, https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/5-260x185.png 260w, https:\/\/www.soic.org.tw\/wp-content\/uploads\/2020\/07\/5-450x322.png 450w\" sizes=\"auto, (max-width: 957px) 100vw, 957px\" \/><\/p>\n<ol start=\"7\">\n<li>\n<h4><strong>\u7d44\u5408\u6280\u8853<\/strong><\/h4>\n<\/li>\n<\/ol>\n<p>\u5177\u6709\u4e00\u7a2e\u6216\u591a\u7a2e\u7d44\u5408\u7684\u6280\u8853\uff08\u5982\u5177\u6709\u96fb\u63a7\u71c3\u6cb9\u5674\u5c04\u7cfb\u7d71\u7684\u5f15\u64ce\uff0c\u4ee5LNG\u4f5c\u70ba\u71c3\u6599\u3001\u6ce8\u6c34\u7cfb\u7d71\u6216\u4e73\u5316\u71c3\u6599\uff09\u8207\u5176\u4ed6\u6e1b\u5c11NOx\u7684\u6280\u8853\u7d44\u5408\u53ef\u642d\u914d\u4f7f\u7528\uff0c\u4ee5\u7b26\u5408Tier\u2162\u6392\u653e\u6a19\u6e96\u3002\u4e0a\u8ff0\u63d0\u53ca\u7684\u7d44\u5408\u6280\u8853\u53ef\u80fd\u6703\u9700\u8981\u6392\u6c23\u6d17\u6ecc\u5668\uff0c\u4ee5\u7b26\u5408Tier\u2162\u898f\u7bc4\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8cc7\u6599\u4f86\u6e90\uff1a<\/p>\n<p>[1] <strong><a href=\"https:\/\/www.marineinsight.com\/tech\/different-ways-meet-nox-tier-iii-standards\/\">Marine Technolog<\/a>y :\u00a0<\/strong><strong>1\/17\/2020<\/strong><strong>\uff0c<\/strong><a href=\"https:\/\/www.marineinsight.com\/author\/taufiq\/\"><strong>Taufiq Chougle<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u96a8\u8457\u8239\u8236\u9020\u6210\u7684\u7a7a\u6c23\u6c59\u67d3\u52a0\u5287\uff0c\u5168\u7403\u5ee2\u6c23\u6392\u653e\u6a19\u6e96\u4ea6\u9010\u5e74\u8b8a\u5f97\u66f4\u52a0\u56b4\u683c\u3002MARPOL\u9644\u5247VI\u9650\u5236\u4e86\u8239\u8236\u5ee2\u6c23\u4e2d\u6240\u542b\u7684\u4e3b\u8981\u7a7a\u6c23\u6c59\u67d3\u7269\uff0c\u5305\u62ec\u786b\u6c27\u5316\u7269\uff08SOx\uff09\u548c\u6c2e\u6c27\u5316\u7269\uff08NOx\uff09\uff0c\u4e26\u7981\u6b62\u84c4\u610f\u6392\u653e\u4efb\u4f55\u7834\u58de\u81ed\u6c27\u5c64\u7684\u7269\u8cea\u3002 MARPOL\u9644\u5247VI\u7684\u4e3b\u8981\u4fee\u8a02\u5167\u5bb9\uff0c\u5728\u65bc\u5168\u7403\u5404\u5730\u61c9\u9010\u6b65\u6e1b\u5c11SOx\u3001NOx\u548c\u61f8\u6d6e\u5fae\u7c92\u7684\u6392\u653e\uff0c\u4e26\u5f15\u5165\u6392\u653e\u7ba1\u5236\u5340\uff08Emission Control Areas ,ECAs\uff09\u653f\u7b56\uff0c\u4f86\u9032\u4e00\u6b65\u6e1b\u5c11\u5728\u7279\u5b9a\u6d77\u57df\u7684\u6c59\u67d3\u7269\u6392\u653e\u3002\u6839\u64da\u6d77\u6d0b\u74b0\u5883\u4fdd\u8b77\u59d4\u54e1\u6703(Marine Environment Protection Committee, MEPC)\u7b2c66\u6b21\u6703\u8b70\u6c7a\u8b70\uff0c\u5c07\u81ea2016\u5e741\u67081\u65e5\u8d77\uff0c\u5c07\u65bc\u6392\u653e\u7ba1\u5236\u5340\u5167\u5be6\u65bdTier\u2162\u6392\u653e\u6a19\u6e96\u3002 \u4e00\u3001 \u4f55\u8b02Tier\u2162\uff1f MARPOL \u9644\u5247VI\u4e2d\u8981\u6c42\u9010\u6b65\u6e1b\u5c11\u8239\u7528\u67f4\u6cb9\u6a5f\u7684NOx\u6392\u653e\u91cf\uff0c\u4e26\u5c0d2011\u5e741\u67081\u65e5\u6216\u4e4b\u5f8c\u5b89\u88dd\u7684\u5f15\u64ce\uff0c\u8a02\u5b9aTier\u2161\u6392\u653e\u9650\u5236\uff1b\u5c0d\u65bc2016\u5e741\u67081\u65e5\u6216\u4e4b\u5f8c\u5b89\u88dd\u4e14\u5728\u6392\u653e\u7ba1\u5236\u5340\u5167\u4f5c\u696d\u7684\u5f15\u64ce\u8a02\u5b9a\u6392\u653e\u9650\u5236\u66f4\u70ba\u56b4\u8b39\u7684Tier III\u3002\u81f3\u65bc\u57281990\u5e741\u67081\u65e5\u81f32000\u5e741\u67081\u65e5\u4e4b\u9593\u5b89\u88dd\u7684\u8239\u7528\u67f4\u6cb9\u5f15\u64ce\uff0c\u5247\u5fc5\u9808\u7b26\u5408Tier\u2160\u6392\u653e\u9650\u5236\u3002 \u5716\u7247\u4f86\u6e90\uff1aDNV GL Tier\u2162\u7684\u6a19\u6e96\u6392\u653e\u91cf\u6bd4Tier\u2160\u7684\u6a19\u6e96\u6392\u653e\u91cf\u5c11\u4e8680\uff05\u3002\u82e5\u8981\u9054\u5230TierII\u53caTierIII\u7684\u9650\u5236\uff0c\u67f4\u6cb9\u5f15\u64ce\u7684\u6392\u653e\u503c\u61c9\u6839\u64da2008\u5e74\u7248\u6c2e\u6c27\u5316\u7269\u6280\u8853\u7ae0\u7a0b\uff08NOx Technical Code\uff09\u800c\u5b9a\u3002\u6839\u64daMARPOL\u9644\u5247VI Tier\u2162\u9650\u5236\u70ba\uff1a 1.\u8f49\u901f\u4f4e\u65bc130 rpm\u7684\u5f15\u64ce\u20143.4 gNOx\/kwh 2.\u8f49\u901f\u9ad8\u65bc130\u4f46\u4f4e\u65bc2000 rpm\u7684\u5f15\u64ce\u20149*n-0.2\u00a0gNOx\/kwh 3.\u8f49\u901f\u9ad8\u65bc2000 rpm\u7684\u5f15\u64ce\u20142 gNOx\/kwh \u5716\u7247\u4f86\u6e90\uff1aIMO.org Tier\u2162\u6392\u653e\u6a19\u6e96\u50c5\u9069\u7528\u65bcNECA\uff08NOx\u6392\u653e\u7ba1\u5236\u5340\uff09\u3002\u5728NECA\u4e4b\u5916\u5247\u9069\u7528\u65bcTier\u2161\u3002\u7576\u524d\u7684NECA\u5730\u5340\u70ba\u5317\u7f8e\u5730\u5340\u548c\u7f8e\u5c6c\u52a0\u52d2\u6bd4\u6d77\u5730\u5340\u3002Tier\u2162\u4e5f\u5c07\u9069\u7528\u65bc\u57282016\u5e741\u67081\u65e5\u6216\u4e4b\u5f8c\u5efa\u9020\u7684\u8239\u8236\u3002 \u8239\u8236\u662f\u5426\u5df2\u7d93\u6e96\u5099\u597d\u9054\u5230Tier\u2162\u6392\u653e\u6a19\u6e96\uff1f \u70ba\u7b26\u5408Tier\u2162\u4e4b\u8981\u6c42\uff0c\u8239\u8236\u5fc5\u9808\u5b89\u88dd\uff0c\u6216\u52a0\u88dd\u80fd\u4f7fNOx\u964d\u4f4e\u5230Tier\u2162\u4ee5\u4e0b\u7684\u8a2d\u5099\uff0f\u7cfb\u7d71\u3002\u70ba\u9054\u5230Tier\u2162\u4e4b\u8981\u6c42\uff0c\u4e0b\u65b9\u5171\u5217\u51fa\u4e03\u7a2e\u65b9\u6cd5\u3002 \u9078\u64c7\u6027\u89f8\u5a92\u9084\u539f\u6cd5\uff08Selective catalystic reduction, SCR\uff09 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