Performance improvement of tio2 catalysts supported on adsorbents

... 1997) On the other hand, the concentration of the contaminants typically is at a low concentration (ppm or less), and pre-concentration of these contaminants on the TiO2 surface where photons are ... supported on adsorbents, irrespective of the type of adsorbents used Since the concentration of contaminants in wastewater is quite low (usually in the order of ppm), the...

Ngày tải lên: 12/09/2015, 08:20

... PHOTOCATALYTIC DEGRADATION OF ORGANIC POLLUTANTS BY TIO2 CATALYSTS SUPPORTED ON ADSORBENTS BY ATREYEE BHATTACHARYYA (M SC., NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... adsorption 300 10% TiO2- AlPC desorption 20% TiO2- AlPC adsorption 250 Volume (cc/g) (b) 20% TiO2- AlPC desorption 50% TiO2- AlPC adsorption 50% TiO2- AlPC desorption 200...

Ngày tải lên: 28/11/2015, 13:45

... diffractograms of Pt catalysts supported on the non-oxidized carbon materials Table The size of Pt crystallites supported on carbon nanofibers was about nm, whereas Pt crystallites supported on CMK-3 ... cells The use of these non-conventional carbon materials as support allowed studying the influence of support properties on the physicoc...

Ngày tải lên: 23/04/2014, 22:47

... distribution of TiO2 nanorods grown on PT-substrate at an annealing temperature of 700 8C and at a hydrothermal growth temperature of 160 8C and with growth time of h Fig SEM image of TiO2 nanorod arrays ... electron diffraction of TiO2 nanorods; (b) lattice fringes image of high-resolution TEM of one single TiO2 nanorod at the side surface that TiO2 na...

Ngày tải lên: 19/03/2014, 16:48

... inertial space Accelerometers, however may not separate the total acceleration of the vehicle, the acceleration with respect to inertial space, from that caused by the presence of a gravitational field ... take this information and use triangulation to calculate the user's exact location Essentially, the GPS receiver compares the time a signal was transmitted by a sate...

Ngày tải lên: 16/08/2015, 15:47

Ngày tải lên: 15/05/2014, 02:06

... images of the zero-valent iron adsorbded on mesoporous silica at (a) 80fold and (b) 2000-fold Denitrification by nZVI on the mesoporous silica beads The kinetic study for chemical reduction of nitrate ... concentration was not also detected, and this can be attributed to the adsorption to the mesoporous silica by ion-exchange Fig - Nitrate reduction by...

Ngày tải lên: 05/09/2013, 09:38

... not the amount of relationships since firms have the help of sophisticated information systems and data warehouses been able to manage a great deal of data The challenge is to capture and measure ... HOW TO MEASURE THE IMPACT OF A CRM STRATEGY ON THE FIRM PERFORMANCE ABSTRACT CRM strategy (Customer Relationship Management) is a business phil...

Ngày tải lên: 20/12/2013, 17:15

... Characteristics & performance evaluation of selected Mutual Funds in India 9th Indian Institute of Capital Market Conference [4] Michael, C J (1967) The Performance of Mutual Funds in the period ... during the study period OBJECTIVES OF THE STUDY: To evaluate and compare the performance of equity diversified mutual fund schemes of selected companies To com...

Ngày tải lên: 19/02/2014, 15:20

... threatens the social structure, but the damage to public health have done away up the concept of social responsibility of the business On the other hand, the response of the main associations, non-governmental ... look at the financial situation of the company and the effects of CSR activities to financial operations of the company The researche...

Ngày tải lên: 13/03/2014, 14:20

... Costing (ABC) on financial performance of manufacturing firm The contribution of this project is to improve the financial performance of manufacturing firm by measuring impact and importance of ABC ... chapter consists of main sections such as general aspects of the impact and importance of ABC method on Financial Performance of man...

Ngày tải lên: 13/03/2014, 14:20

... physisorption on Ti4+ cations and the second maximum (45 Æ K) is ascribed to N2 physisorption on O2À anions On as-deposited WO3, the TPD intensity of physisorbed N2 attributable to adsorption on Ti4+ ... would contain 2.6 (WO3) 3 nmÀ2, i.e., one (WO3) 3 cluster for every pair of Ti4+ along the [001] direction With this definition, deposition of 7.8 nmÀ2 of WO3 corresponds...

Ngày tải lên: 20/03/2014, 13:06

... Fragments peeling off from granular TiO2 TEM Study on the Formation Process of TiO2 Nanotubes Figure Figure TEM image (After reaction with alkali for 30 min) TEM images (After reactiion with alkali ... the sample(4a) contains 5.8 atomic percent of Na and the latter(4d) contains only trace of Na, it shows that the treatment with HCl solution is helpful for th...

Ngày tải lên: 20/03/2014, 13:08

... The Tien Synthesize and investigate the catalytic activity of three-way catalysts based on mixed metal oxides for the treatment of exhaust gases from internal combustion engine CONTENT OF THESIS ... Nguyen The Tien 18 Synthesize and investigate the catalytic activity of three-way catalysts based on mixed metal ox...

Ngày tải lên: 12/05/2014, 17:14

... of large islands and the surface reconstruction reflect that our model Equation really works although it is just based on the simplified two-body interaction Conclusion Groups of low-energy structures ... nanostructures, knowledge of the morphology of nanoclusters on surfaces becomes enormously important So far, numerous experimental observations and theoretical investigations...

Ngày tải lên: 18/06/2014, 22:20