01585nas a2200289   4500008004100000022001400041245011700055210006900172260011000241300001400351490000700365520056300372653001400935653001800949653001400967653002400981653001801005653001401023653002501037653002401062653001901086653000901105100001401114700002801128700001701156856012201173       2011                        eng d  a0376-471000aLanthanum and zinc incorporated hydrotalcites as solid base catalysts for biodiesel and biolubricants production0 aLanthanum and zinc incorporated hydrotalcites as solid base cata  aDR K S KRISHNAN MARG, PUSA CAMPUS, NEW DELHI 110 012, INDIAbNATL INST SCIENCE COMMUNICATION-NISCAIRcAUG  a1017-10250 v503 a<p>Mg-Al hydrotalcites doped with varying amounts of lanthanum and zinc ions (10 30 mol %) have been prepared by co-precipitation method and used, after calcination at 873 K, as solid base catalysts for transesterification of soybean oil with methanol (producing biodiesel) and n-octanol (producing biolubricants). The catalyst with 20 mol % of lanthanum shows the highest transesterification activity (soybean oil conversion = 100 % and biodiesel yield = 95 %) at 423 K in 4 h. Catalytic activity varies in proportion with the basicity of the catalysts.</p>10aBiodiesel10aBiolubricants10acatalysis10aDoped hydrotalcites10aHydrotalcites10aLanthanum10aSolid base catalysts10atransesterification10aVegetable oils10azinc1 aRahul, R.1 aSatyarthi, Jitendra, K.1 aSrinivas, D.  uhttps://library.ncl.res.in/content/lanthanum-and-zinc-incorporated-hydrotalcites-solid-base-catalysts-biodiesel-and-001862nas a2200265   4500008004100000022001400041245014100055210006900196260015900265300001200424490000700436520082700443653001901270653002901289653001601318653002301334653001401357653001301371653001501384653001501399653002201414653001201436100002301448856012501471       2012                        eng d  a1857-555200aBehavior of the transport and separation of lanthanum, yttrium and lutetium metal ions through a celluose fiber supported solid membrane0 aBehavior of the transport and separation of lanthanum yttrium an  aSTS CYRIL & METHODIUS UNIV, FAC TECHNOL & METALLURGY, PO BOX 560, RUGER BOSKOVIC 16, SKOPJE, MK-1001, MACEDONIAbSOC CHEMISTS TECHNOLOGISTS MADECONIAcJan  a255-2690 v313 a<p>A newly designed membrane cell was used to study the behavior of the transport and separation of lanthanum, yttrium and lutetium metal ions using a cellulose fiber supported solid membrane. The cellulose fiber membrane was prepared by the chemical modification of cellulose fiber using an esterification reaction with citric acid. Different experimental variables were investigated, such as time, membrane size, stirring of the source and receiving phases and the pH of the source phase. The use of different stripping agents in the receiving phase was explored, including nitric acid, hydrochloric acid, sodium nitrate, ammonium thiocyanate, D(2)EHPA, TBP, Aliquat-336, tartaric acid, EDTA and organic solvents. Pre-concentration of lanthanum, yttrium and lutetium metal ions from dilute solutions was carried out.</p>10abinary mixture10acellulose fiber membrane10aCitric acid10acomplexing reagent10aLanthanum10alutetium10ametal ions10aSeparation10atransport studies10ayttrium1 aGaikwad, Abaji, G.  uhttps://library.ncl.res.in/content/behavior-transport-and-separation-lanthanum-yttrium-and-lutetium-metal-ions-through-001816nas a2200349   4500008004100000022001400041245008300055210006900138260011000207300001200317490000700329520066400336653002901000653001401029653001101043653001801054653002701072653001401099653002201113653001701135653001101152100001801163700001801181700001601199700001601215700001701231700003001248700002901278700002101307700002301328856011501351       2014                        eng d  a0376-471000aMethane reforming with carbon dioxide over La-Ni-x-Ce1-x mixed oxide catalysts0 aMethane reforming with carbon dioxide over LaNixCe1x mixed oxide  aDR K S KRISHNAN MARG, PUSA CAMPUS, NEW DELHI 110 012, INDIAbNATL INST SCIENCE COMMUNICATION-NISCAIRcFEB  a478-4830 v533 a<p>La-Ni-x-Ce1-x mixed oxide (0 &lt;= x &lt;= 1) catalysts have been hydrothermally prepared, characterized by physico-chemical techniques and evaluated for CO2 reforming of methane. High conversions are achieved for both methane and carbon dioxide over the LaNi0.6Ce0.4O3 catalyst tested under the conditions of CO2/CH4/N-2 ratio of 80/80/80. (total flow rate = 240 mL/min), space velocity of 28,800 h(-1) and at a temperature of 800 degrees C. The H-2/CO ratio in the syngas is stable at 0.93 +/- 0.02. Exchanging Ni with Ce, rather than with La as reported in the literature, appears to be a better option for the improved performance of the catalysts.</p>10aCarbon dioxide reforming10aCatalysts10aCerium10aDry reforming10aHydrothermal synthesis10aLanthanum10aMethane reforming10aMixed oxides10aNickel1 aSagar, T., V.1 aSreelatha, N.1 aHanmant, G.1 aUpendar, K.1 aLingaiah, N.1 aRao, Kamaraju, Seetha Ram1 aSatyanarayana, C., V. V.1 aReddy, I., A. K.1 aPrasad, P., S. Sai  uhttps://library.ncl.res.in/content/methane-reforming-carbon-dioxide-over-la-ni-x-ce1-x-mixed-oxide-catalysts-0