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| 1 | Performance evaluation of a modified step-feed anaerobic/anoxic/oxic process for organic and nutrient removal显示文摘A pilot scale modified step-feed process was improved to increase nutrient(N and P)and organic removal operations from municipal wastewater.It combined the step-feed process and a method named 'University of Cape Town(UCT)'.The effect of nutrient ratios and inflow distribution ratios were studied.The highest uptake efficiency of 95% for chemical oxygen demand(COD)has been achieved at the inflow distribution ratio of 40/35/25.However,maximum removal efficiency obtained for total nitrogen(TN)and phosphorus at 93% and 78%,respectively.The average mixed liquor suspended solids(MLSS)was 5500 mg·L^(-1).In addition,convenient values for dissolved oxygen(DO)concentration,and p H were obtained throughout different stages.The proposed system was identified to be an appropriate enhanced biological nutrient removal process for wastewater treatment plants owing to relatively high nutrient removal,sturdy sludge settle ability and COD removal. | A.R.Majdi Nasab S.M.Soleymani M.Nosrati S.M.Mousavi | 2016 | Chinese Journal of Chemical Engineering2016，24，3： | 6 |
| 2 | 伊朗Kooshk铅-锌尾矿坝闪锌矿的生物浸出(英文)显示文摘将取自伊朗Yazd省Kooshk铅-锌尾矿坝的闪锌矿样进行生物浸出,并对比研究不同条件下的锌浸出率。Kooshk铅-锌尾矿坝含有3.64%锌、0.97%铅和24.18%铁。先将混合嗜温菌株、混合中度嗜热菌株进行摇瓶培养,然后在9K培养基中再次培养。在浸出闪锌矿的14 d内,在有菌株的情况下,闪锌矿的浸出率达90%,而没有菌株的情况下,只有44%的闪锌矿被浸出。实验结果表明,在有菌株浸出的前10 d,有没有9K培养液对锌的浸出率有明显影响,但随后其差别不明显,到最后趋于相同。锌浸出率的提高与细菌菌落数和Fe3+浓度的增加有关。中度嗜热菌浸取锌的动力学要求明显高于嗜温菌的,因此,在中度嗜热菌株存在的情况下,在低的氧化电位下闪锌矿优先于黄铁矿溶解而被浸出。 | J.V.MEHRABANI S.Z.SHAFAEI M.NOAPARAST S.M.MOUSAVI M.M.RAJAEI | 2013 | Transactions of Nonferrous Metals Society of China2013，23，12： | 5 |
| 3 | 查看详情显示文摘 | P.Zamankhan J.Huang S.M.Mousavi | | 0，，： | 1 |
| 4 | Analytical solution of multiple moving cracks in functionally graded piezoelectric strip显示文摘The dynamic behaviors of several moving cracks in a functionally graded piezoelectric(FGP) strip subjected to anti-plane mechanical loading and in-plane electrical loading are investigated. For the first time, the distributed dislocation technique is used to construct the integral equations for FGP materials, in which the unknown variables are the dislocation densities. With the dislocation densities, the field intensity factors are determined. Moreover, the effects of the speed of the crack propagation on the field intensity factors are studied. Several examples are solved, and the numerical results for the stress intensity factor and the electric displacement intensity factor are presented graphically finally. | R.BAGHERI M.AYATOLLAHI S.M.MOUSAVI | 2015 | Applied Mathematics and Mechanics(English Edition)2015，36，6： | 0 |
| 5 | 运用混合整数非线性规划的液化天然气串联制冷系统的热力学设计(英文)显示文摘Liquefied natural gas(LNG) is the most economical way of transporting natural gas(NG) over long distances. Liquefaction of NG using vapor compression refrigeration system requires high operating and capital cost. Due to lack of systematic design methods for multistage refrigeration cycles, conventional approaches to determine optimal cycle are largely trial-and-error. In this paper a novel mixed integer non-linear programming(MINLP)model is introduced to select optimal synthesis of refrigeration systems to reduce both operating and capital costs of an LNG plant. Better conceptual understanding of design improvement is illustrated on composite curve(CC) and exergetic grand composite curve(EGCC) of pinch analysis diagrams. In this method a superstructure representation of complex refrigeration system is developed to select and optimize key decision variables in refrigeration cycles(i.e. partition temperature, compression configuration, refrigeration features, refrigerant flow rate and economic trade-off). Based on this method a program(LNG-Pro) is developed which integrates VBA,Refprop and Excel MINLP Solver to automate the methodology. Design procedure is applied on a sample LNG plant to illustrate advantages of using this method which shows a 3.3% reduction in total shaft work consumption. | Meysam Kamalinejad Majid Amidpour S.M.Mousavi Naeynian | 2015 | Chinese Journal of Chemical Engineering2015，23，6： | 0 |
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