Modified titanium dioxide (tio2) photocatalysts for the degradation of organic pollutants in wastewater

... consists of two co-axial cylinders When the inner cylinder is rotated at a certain speed, the unsteady flow within the annulus allows the fluids to recirculate from the vicinity of the rotating inner ... toxic organic pollutants In addition, the increasing population of the world is also escalating the requirements of pure water for drinking and household pur...

Ngày tải lên: 14/09/2015, 12:35

... where χ is the electronegativity of the semiconductor which is taken as the geometric mean of the electronegativities of the component elements of the semiconductor, Ee is the energy of the free ... XII Summary Organic pollutants becomes a pervasive threat with the step forward of human beings Photocatalysis is an effective method for the degradation o...

Ngày tải lên: 09/09/2015, 11:16

... THE DEVELOPMENT AND STUDY OF TITANIUM DIOXIDE BASED BUOYANT COMPOSITE PHOTOCATALYSTS FOR IMPROVED APPLICATIONS IN PHOTOCATALYTIC DEGRADATION OF ORGANIC POLLUTANTS IN AQUEOUS SOLUTIONS ... provide some preliminary information about the combination of the buoyant composite photocatalyst with an adsorbent component and the performance of...

Ngày tải lên: 10/09/2015, 15:50

... determine the effects of initial H2O2 concentration, initial pH of the solution and initial PCB concentration on the degradation of PCBs in water matrix - 10 - Journal of Water and Environment ... adjusting the pH of the aqueous PCB solutions Effect of Initial PCB Concentration The results of the degradation of PCBs at different initial concentrat...

Ngày tải lên: 05/09/2013, 09:08

... -80oC The extraction of DNA was performed with Fast DNA SPIN Kit for Soil (Qbuiogene, USA) according to the instruction by the manufacturer In the preliminary step to nawwor down the species of ... affected the activities of nitrite oxidizing bacteria - 31 - Journal of Water and Environment Technology, Vol.5, No.1, 2007 Figure Behavior of nitrate and nitrite at...

Ngày tải lên: 05/09/2013, 09:38

... effects of the experimental parameters on the performance of activated carbon microcolumns in removing basic dyes from aqueous solution The research also investigates the potential replacement of ... significant role of the diffusion processes in the adsorption of the basic dyes under investigation The consistency in the behaviour of adsorbents...

Ngày tải lên: 05/09/2013, 16:11

... role of phosphine in grain protection has increased and stands as the main alternative to methyl bromide Lately, insect resistance to phosphine has become an important issue for effective grain ... with methyl bromide or phosphine is a quick and effective tool for the control of stored-product insect pests In view of the scheduled phaseout of met...

Ngày tải lên: 25/10/2013, 05:20

... the increased rate of hydrolysis both of the anhydride and also of the ester moieties Table 5.13 Influence of the amount of TBAF trihydrate on the efficiency of the acetylation of sisal cellulose ... illustrating the potential of these methods are described 76 New Paths for the Introduction of Organic Ester Moieties 5.2.1 Sulphonic Acid Chlorid...

Ngày tải lên: 25/10/2013, 16:20

... 90% of their energy at a wavelength of 253.7 nanometers Exposure of bacteria to UV results in cross-linking of the thymine dimers of the DNA in the organism, preventing repair of injury and reproduction ... is among the main reasons for contamination in fruit juice Washing and brushing fruit before the juicing step is common in juice processing Acco...

Ngày tải lên: 25/10/2013, 21:20

... Therefore, a conformational change of the PSII complex may cause the decrease of PSII activity in hf-2 by the lack of specific binding of SQDG to the PSII complex Alternatively, the change of the ... to realizing the role of acidic lipids in photosynthesis The contribution of SQDG to the maintenance of maximum PSII activity in C reinhardtii was not...

Ngày tải lên: 22/02/2014, 04:20

... analysis of the organic solvent is the preferred method of analysis, either untreated or simply diluted in a suitable solvent Direct organic solvent analysis demands some ... cleaners In the case of non water-soluble organic solvents, oxygen cannot be derived from the water solvent and so another source of oxygen is required For this second group of organic so...

Ngày tải lên: 05/03/2014, 21:20

... 12 Student Handbook for the MBM, MECON & MFINA Programs OVERVIEW OF THE MSC PROGRAMS IN BUSINESS & MANAGEMENT, ECONOMICS, AND FINANCE & ACCOUNTING SSE provides a range of Master of Science programs ... student at the Stockholm School of Economics (SSE) It is intended for students enrolled in the Master of Science (MSc) programs in Bu...

Ngày tải lên: 08/03/2014, 04:22

... measured in a ¯owing stream of pure air or in 40 ppm NO in air (60:40 mixture from an air cylinder with another cylinder (BOC special gases) containing ca 100 ppm NO balanced with air) by the ac ... concentration of NO and NO2 gases because of the low concentration, one of the roles of the Ag is apparent to provide surface for the conversion of N...

Ngày tải lên: 19/03/2014, 16:47

... Change in clinical paradigm Definitions of coeliac disease New diagnostic guidelines Algorithms Interlaken ESPGHAN criteria (1979) Small intestinal biopsy: villous atrophy Gluten free diet for 1-2 ... unpublished Towards a new definition of coeliac disease  Chronic  Multi-organ  Small intestinal inflammation  Transglutaminase-related ESPGHAN working group, 2011 S...

Ngày tải lên: 22/03/2014, 09:20