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| 1 | Insights into kinetic inhibition effects of MEG,PVP,and L-tyrosine aqueous solutions on natural gas hydrate formation显示文摘It is necessary to understand all the prerequisites, which result in gas hydrate formation for safe design and control of a variety of processes in petroleum industry. Thermodynamic hydrate inhibitors (THIs) are normally used to preclude gas hydrate formation by shifting hydrate stability region to lower temperatures and higher pressures. Sometimes, it is difficult to avoid hydrate formation and hydrates will form anyway. In this situation, kinetic hydrate inhibitors (KHIs) can be used to postpone formation of gas hydrates by retarding hydrate nucleation and growth rate. In this study, two kinetic parameters including natural gas hydrate formation induction time and the rate of gas consumption were experimentally investigated in the presence of monoethylene glycol (MEG), L-tyrosine, and polyvinylpyrrolidone (PVP) at various concentrations in aqueous solutions. Since hydrate formation is a stochastic phenomenon, the repeatability of each kinetic parameter was evaluated several times and the average values for the hydrate formation induction times and the rates of gas consumption are reported. The results indicate that from the view point of hydrate formation induction time, 2 wt% PVP and 20 wt% MEG aqueous solutions have the highest values and are the best choices. It is also interpreted from the results that from the view point of the rate of gas consumption, 20 wt% MEG aqueous solution yields the lowest value and is the best choice. Finally, it is concluded that the combination of PVP and MEG in an aqueous solution has a simultaneous synergistic impact on natural gas hydrate formation induction time and the rate of gas consumption. Furthermore, a semi-empirical model based on chemical kinetic theory is applied to evaluate the hydrate formation induction time data. A good agreement between the experimental and calculated hydrate formation induction time data is observed. | Amir Saberi Abdolmohammad Alamdari Ali Rasoolzadeh Amir H.Mohammadi | 2021 | Petroleum Science2021，18，2： | 5 |
| 2 | TBP萃取剂从铜阳极泥盐酸-氯气浸出液中选择性萃取金(英文)显示文摘铜阳极泥的盐酸-氯气氧化性浸出会导致大量杂质元素如Fe、Cu、Pd、Se等的溶解。以TBP作为萃取剂,采用标准的溶剂萃取实验方法,等体积有机相和水相来萃取分离Au、Pd、Pt、Fe、Cu和Se等元素,研究TPB浓度、HCl和氯离子浓度对杂质分离效果的影响。结果表明,在有机相中TBP浓度为0.25 mol/L、水相中HCl浓度为2.5 mol/L的条件下,可以得到高的金萃取率。同时,其他杂质元素的萃取可以忽略不计。对负载有机相采用蒸馏水进行洗涤,可以去除部分杂质元素。采用硫代硫酸钠溶液进行反萃,反萃液中不含任何杂质元素。在反萃液中加入硫酸,反应产生的SO_2气体可还原金离子。 | Nima SADEGHI Eskandar Keshavarz ALAMDARI | 2016 | Transactions of Nonferrous Metals Society of China2016，26，12： | 2 |
| 3 | Regional development in airlines and travel agents relationship显示文摘 | Alamdari F | 2002 | Journal of Air Transport Management2002，8，5： | 1 |
| 4 | Visfatin is associat- ed with type 2 diabetes mellitus independent of insulin resistance and obesity显示文摘 | Esteghamati A Alamdari A Zandich A | 2011 | Diabetes Res Clin Pract2011，91，2： | 1 |
| 5 | Water vapor sensitivity of nanosized La ( Co, Mn, Fe) 1 - x (Cu,Pd) xO3 perovskites during NO reduction by C3H6 in the presence of oxygen 显示文摘 | Zhang Runduo Houshang Alamdari Serge Kaliaguine | 2007 | Applied Catalysis B : Environ- mental2007，72，3： | 1 |
| 6 | Velocity of detonation at any initial density without using heat of formation of explosives显示文摘 | Keshavarz M H Teimuri Mofrad R Fareghi Alamdari R | 2006 | J Hazard Mat A2006，137，： | 1 |
| 7 | Experimental hyperthyroidism in rats increases the expression of the ubiquitin ligases atrogin-1 and MuRF1 and stimulates multiple proteolytic pathways in skeletal muscle显示文摘 | O'Neal P Alamdari N Smith I | 2009 | J Cell Biochem2009，108，4： | 1 |
| 8 | Chilled Ceilings and Displacement Ventilation显示文摘 | F Alamdari D J G Butler P F Grigg etal | 1998 | Renewable Energy1998，15，14： | 1 |
| 9 | Catalytic reduction of NO by propene over LaCol_xCu~O3 perovs- kites synthesized by reactive grinding 显示文摘 | Zhang R D Villanueva A Alamdari H | 2006 | Applied Ca- talysis B : Environmental2006，64，34： | 1 |
| 10 | Angiogenesis and other markers for prediction of survival in metastatic renal cell carcinoma显示文摘 | Alamdari FI Rasmuson T Grankvist K | 2007 | Scand J Urol Nephrol2007，41，1： | 1 |
| 11 | An inverse associa- tion between serum vitamin D levels with the presence and severity of impaired nerve conduction velocity and large fiber pe- ripheral neuropathy in diabetic subjects显示文摘 | Alamdari A Mozafari R Tafakhori A | 2015 | Neurol Sci2015，37，7： | 1 |
| 12 | SCR of NO by propene over nanoscale LaMn1 -x CHXO3 perovs- kites 显示文摘 | Zhang R D Villanueva A Alamdari H | 2006 | Applied Catalysis A : General2006，307，1： | 1 |
| 13 | Follow up guidelines for nonmetastatic renal cell carcinoma based on the occurrence of metastases after radical nephrectomy显示文摘 | Ljungberg B Alamdari FI Rasmuson T | 1999 | BJU Int1999，84，4： | 1 |
| 14 | Fraetal characteristics of an asphaltene deposited heterogeneous surface显示文摘 | AMIN J S AYATOLLAHI S ALAMDARI A | 2009 | Applied Surface Science2009，256，1： | 1 |
| 15 | The impact of plate- let-rich plasma on the prevention of tunnel widening in anterior cru- ciate ligament reconstruction using quadrupled autologous hamstring tendon: A randomised clinical trial 显示文摘 | Mirzatolooei F Alamdari MT Khalkhali HR | 2013 | Bone Joint J2013，95，1： | 1 |
| 16 | Synergistic effect of Cyanex 2727 and Cyanex 302 on separation of cobalt and nickel by D2EHPA 显示文摘 | DARVISGI D H D F ALAMDARI E K SADRNEZHAAD S K HALALI M | 2005 | Hydrometallurgy2005，77，： | 1 |
| 17 | Fe -based per- ovskites substitute by copper and palladium for NO + CO reaction 显示文摘 | Zhang R D Alamdari H Kaliaguine S | 2006 | Journal of Catalysis2006，24，2： | 1 |
| 18 | Water adsorption in the organic phase for the D2EHPA-kerosene/water and aqueous Zn2+, Co2+, Ni2+ sulphate systems 显示文摘 | DARVISHI D HAGHSHENAS D F ETEMADI S ALAMDARI E K SADRNEZHAAD S K | 2007 | Hydrometallurgy2007，88，1234： | 1 |
| 19 | Oxygen stor?age capacity of Lal_xA' xB03 perovskites (with A' = Sr, Ce , B = Co, Mn) -relation with catalytic activity in the CH4 oxidation reaction显示文摘 | Royer S Alamdari H Duprez D | 2005 | Applied Catalysis B: Environment2005，58，： | 1 |
| 20 | Cu - and Pd - substituted nanoscale Fe - based perovskites for selective catalytic reduction of NO by propene 显示文摘 | Zhang R D Villanueva A Alamdari H | 2006 | Journal of Catalysis2006，237，2： | 1 |
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