中文摘要：

厌氧消化通常是垃圾渗滤液生物处理的首要环节,但处理效率不高.本研究尝试通过添加碳酸盐、硫酸盐等矿物来提高垃圾渗滤液的厌氧转化效率.研究共设置5组厌氧生物反应器,包括投加硬石膏、方解石、石膏、白云石的反应器及空白对照,考察添加矿物对垃圾渗滤液厌氧消化的影响.从实验结果可以看出,添加矿物的反应器中COD的去除率可以达到75%左右,而空白对照组去除率尚不足60%,添加矿物反应器甲烷产量显著高于对照.从反应器中的p H变化可以看出,矿物的添加可以提高溶液中的p H.研究结果表明,添加碳酸盐/硫酸盐矿物对垃圾渗滤液中的有机物厌氧消化过程具有重要的促进作用.

英文摘要：

Anaerobic digestion was mostly the first step in the biotreatment of landfill leachate. In the current research,carbonante / sulfate were dosed into the anaerobic reactors which were expected to improve the anaerobic digestion of leachate landfill. Five groups of bioreactors,including the anhydrite,calcite,gypsum,dolomite dosed reactors and a control,were operated to explore the effects of minerals on the anaerobic digestion of leachate landfill.Results showed that the COD removal efficiency in the mineral dosed reactors achieved 75%,meanwhile it was only 60% in the control. A higher methane yield was also achieved in the mineral dosed reactors. It could be conclude that adding carbonate / sulfate had significantly promoted the anaerobic digestion of landfill leachate.