通常將含碳量低、發熱量低、灰分高、不易著火的煤稱之為低質煤。dizhimeidewuhuaxingzhi：shuifenhanlianggao（quanshuifengaoda20%-50%，youdedadao60%），yanghanlianggao（yuezhanyoujizhide20%），fareliangdi：yibanzai3500kcal/kgyixia。youyuhanshuiliangda，yanghanlianggao，rezhidi，yifenghua（diwenyanghuabianzhi），yiziran，jiangdiranshaoxiaolvdengtexingjuedingqiyingyongshoudaohendaxianzhi。

       現低質量煤的充分利用核心有接下來方法：1、經皮膚干燥后，真接作為一個能源動用。                                                                          2、經過了輕微熱解、循環流化床，開展餾分溶合再分別是充分根據。                                                                        3、經干后立即進熱解爐，光催化原理鑲嵌氣。                                                                        4、經干后就直接來到汽化設備，的生產成品油。       種類的低效煤有下例他們：

1、石煤。shizhishengchangzaigudaidicengzhongfunizhiwuyanmei，gediduishimeiyouduozhongchenghu，ruchengzuoshitan、yintan、shatan、shibanmei、mameideng。shimeibianzhichengdujiaogao，yuputongwuyanmeibijiao，yibanjuyougaohui、gaoliu、ditan、difareliangdetedian。huifenyibanzai60％～80％，fareliangzai1000qianka～1500qianka／qiankezuoyou，gaodezai2000qianka／qiankeyishang。liufenduozai2％～4％shenzhiyishang。

石煤用途：shimeikeyongyufadian。yekezuofeitengguoluderanliao。youyuhenduoshimeizhongbanyouduozhongxiyouyuansu，yinci，tachulezuoranliao，huankeyikaizhanzongheliyonghezhizuofeiliao，rushaozhishuini、shihuiheneiranzhuanwayijizhizaogaimeilinfei、linjia、lingaidengwujifuhehuafei。

2、泥煤。nimeiyichengnitanhuocaotan，shicaomubenzhiwubianchenghemeideguoduxingchanwu，shiyizhongyoukeranxingdeyouyongkuangchan，youmingxiandejiaotijiegou，waiguanduochengzonghese，bizhongxiao、shuifenda(xincaichunimeishuifenkeda60％～90％zuoyou)，ganzaojihuifenyibanzai10％zuoyouhuogenggao。

泥煤用途：youyunimeiziyuanjudibiaozhiyoujimihuoshijimi，yinci，dangdikaifahouzuoranliaoshiyong，youdezhichengfuzhisuanfeiliaoyongyudatianzuoye，zaigongyeshang，nimeiyekezhichengxianweibandengjianzhucailiaohebaowencailiao。congnimeizhongtiqudefuzhisuanjiqiyanlei，keyongyuzhizaoranliao、tuliaodeng。

3、風化煤。fenghuameishihemei、yanmei、wuyanmeidelutoumei，fuzhisuanhanliangjiaogao，reliangdi，buyiranshao，qigongyejiazhihezongheliyongyunimeiyouxiexiangfang。

4、煤矸石。meiganshishichengmeiguochengzhongyumeicengbansheng，zaimeikuangshengchanyuanmeiguochengzhongtichuchulaideyizhonggaohuifen、dihantanliang、difareliang，bimeijianyingdeheisedenizhiyanshi，huifenzai40％～50％huoyishang，hantanliangzai20％～30％，fareliangzai800～1500qianka／qianke，youshigaoda1500～3000qianka／qianke。

煤矸石用途：meiganshizhonghanyougui、qian、gai、meijimouxiexiyouyuansu，tadezongheliyongfanweihenguang，zhuyaoyouzheyangjifangmian：(1)zuofeitengguoluderanliao；(2)zhishuinihuohunningtuzhipin；(3)shengchanjianzhucailiao，zhimeiganshizhuan；(4)zhizaomeiqi；(5)tiquhuagongchanpin；(6)zhizuofeiliao；(7)yongyufadian。

5、油母頁。yanyoumuyeyanshiyizhongnizhi，nihuizhihuohuizhideyanshi，henrongyiyonghuochaidianran，ranshaoshihuoyanzhongdaiheiyanbingyouliqingqiwei，youmuyeyanhanhuifen40％～70％，ganzaojifareliangyibanwei2000qianka～3000qianka／qianke，ganliukehuoqurenzaoyuanyou，huizhakeyongyuzhizaoshuini、zhuan、renzaoshiliaojifeiliaodeng。