{
  "$type": "site.standard.document",
  "coverImage": {
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    "size": 106851
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  "description": "Provided is an engine exhaust-gas purification device which can meet exhaust gas regulations by addressing the ship itself, even when using conventional fuel rather than low sulphur fuel. An engine exhaust-gas purification device (1) which reduces and removes air pollutants in exhaust gas…",
  "path": "/patents/989146",
  "publishedAt": "2013-07-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01N3/02",
    "MITSUBISHI HEAVY IND LTD [JP]"
  ],
  "textContent": "Provided is an engine exhaust-gas purification device which can meet exhaust gas regulations by addressing the ship itself, even when using conventional fuel rather than low sulphur fuel. An engine exhaust-gas purification device (1) which reduces and removes air pollutants in exhaust gas discharged from a main engine (10) is provided with: an exhaust-gas purification device (40) which is arranged in an exhaust system (L1) of the main engine (10) and which carries out a purification process on the entire amount of exhaust gas; and an exhaust gas recirculation device (60) which re-supplies part of the exhaust gas which has been introduced, as recirculation exhaust gas, from down-stream of the exhaust-gas purification device (40), into the main engine (10).",
  "title": "MARINE PROPULSION SYSTEM WITH ENGINE EXHAUST GAS PURIFICATION DEVICE"
}