SUPERCRITICAL WATER OXIDATION OF WASTE DRILLING FLUID

被引：0
作者：
Li, Xiaorui
Zhang, Yu [1 ,2 ]
机构：
[1] Shaanxi Univ Sci & Technol, Sch Chem & Chem Engn, Xian 710021, Shaanxi, Peoples R China
[2] Petro China, Chuanqing Drilling Engn Co, Changqing Branch, Drilling & Prod Engn Technol Res Inst, Xian 710021, Shaanxi, Peoples R China
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2018年 / 27卷 / 03期
关键词：
Waste drilling fluid; Supercritical water oxidation; NaOH; COD Removal; OIL-FIELD LOCATION; DAMAGE;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this paper, supercritical water oxidation (SCWO) is applied to treat waste drilling fluid. Effect of different reaction conditions on chemical oxygen demand (COD) removal are examined. in a high-pressure reactor under the following conditions: 480 degrees C to 570 degrees C; oxidation coefficient (OC), 0.5 to 3.5; initial COD concentration, 5000 mg/L to 20000 mg/L; and residence time,5 min to 20 min. The effects of the given experimental conditions and NaOH concentration on the removal efficiency of waste drilling fluid were investigated with laboratory bench-scale experiments. The results indicated that NaOH addition improved COD removal. The optimum COD removal reached 99.93% under the experimental conditions. BOD5/COD ratio is 0.54.
引用
收藏
页码：1884 / 1888
页数：5
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