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焦化废水还原浸出软锰矿动力学

, 2017
以焦化废水为还原剂,在硫酸介质中利用收缩芯模型研究焦化废水加压直接还原浸出软锰矿的动力学,考察搅拌速度、反应温度、软锰矿粒径、硫酸浓度和焦化废水CODcr浓度对锰浸出速率的影响。结果表明:锰浸出率随反应温度、硫酸浓度、焦化废水CODcr浓度的增加和软锰矿粒径的减小而增大。在393 K~423 K间,焦化废水还原浸出软锰矿受固膜扩散控制,表观活化能为15.2 kJ/mol,硫酸和焦化废水CODcr浓度的表观响应级数分别为1.21和0.98。机理分析表明 ...
康金星, 邓祥意, 冯雅丽, 李浩然, 孙铭   +4 more
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Beijing Da Xue Xue Bao Yi Xue Ban
Bai X, Yuan Z, Zhou Y, Lv L.
europepmc   +1 more source

[Research progress on protein lactylation modification in malignant tumors]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Dong H, Chen H, Zhang C.
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[Experimental teaching design of instrument analysis for undergraduate study： detection of bifenthrin pesticide residues in tea by response surface methodology-optimized QuEChERS combined with gas chromatography-mass spectrometry]. [PDF]

Se Pu
Gu CX.
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[Functional characterization of double-negative T cells isolated from leukoreduction filter residues]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Xiang Z, Wu Y, Huang K, Wu F, Lin J, Sang L, Yang L.   +6 more
europepmc   +1 more source

[Effectiveness of lymphaticovenular anastomosis combined with perioperative targeted drainage in treatment of secondary lower limb lymphedema: a prospective randomized trial]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang X, Du J, Zhang X, Lu S, Zhao L, Cai H.   +5 more
europepmc   +1 more source

[Determination of eight per- and polyfluoroalkyl substances in seawater using dispersive membrane extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Ren Z, Ma JP, Liu YJ, Zhang L, Wu GG, Li S.   +5 more
europepmc   +1 more source

[Determination of perfluorinated compounds， antibiotics and pesticides in drinking water by automated solid phase extraction with ultra-performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Liang J, Feng J, Zeng D, Zhou L, Zhong X, Li Y, Chen D.   +6 more
europepmc   +1 more source

[Association between mixed metal element exposure and the risk of thyroid carcinoma: a case-control study]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Zhan Z, Ma S, Zeng X, Ye M, Liu S, Song J, Zhang J.   +6 more
europepmc   +1 more source

[Research progresses in ex vivo liver perfusion technology]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Liu QY, Zhao Q, He XS.
europepmc   +1 more source