用煤处理含铬(Ⅵ)废水的实验研究  

Experimental Study of Chromium-contained (Ⅵ) Waste Water in Coal Treatment

作　　者：宋志敏[1] 丁建础[2] 

机构地区：[1]郑州经济管理干部学院,河南郑州450053 [2]永城煤电集团公司,河南永城476600

出　　处：《矿业安全与环保》2005年第4期9-10,13,共3页Mining Safety & Environmental Protection

摘　　要：用4种不同类型的煤进行了含铬（Ⅵ）废水的处理实验，在处理含铬（Ⅵ）废水的过程中，废水的pH值、反应时间、搅拌、煤的加入量和粒度、煤的变质程度等对六价铬的去除率影响较大。煤对六价铬的吸附符合Langmui方程，煤在300℃～350℃进行加热改性后能大幅度提高六价铬去除率。Experiments of chromium-contained (Ⅵ) waste water treatment were conducted with four different kinds of coal, it was found in the treatment of chromium-contained (Ⅵ) waste water that the PH value of wastewater, reaction time, mixing, the adding amount and particle size of coal and the metamorphic grade of coal had greater influence upon the removal rate of hexade chromium. The absorption of coal to hexade chromium conforms to Langmui equation, and after coal was heated to 300℃-350℃, it can largely improve the removal rate of hexade chromium.

关 键 词：煤 含铬(VI)废水 加热改性 粒度 加入量 

分 类 号：TD926.5[矿业工程—选矿]