Synthesis and application of hydrous cerium oxide modified activated carbon for arsenic and lead removal

... SYNTHESIS AND APPLICATION OF HYDROUS CERIUM OXIDE MODIFIED ACTIVATED CARBON FOR ARSENIC AND LEAD REMOVAL ZHANG CHENGYU (B.Eng., Peking University) A THESIS SUBMITTED FOR THE DEGREE OF MASTER ... of raw particle activated carbon (left) and nanosized hydrous cerium oxide modified activated carbon (HCO-AC) 4.2.2 Preliminary test of synthesi...

Ngày tải lên: 30/09/2015, 10:12

... 180oC for days and then cooled naturally to room temperature Among these nanostructured metal oxides, transition metal oxide nanostructure offers a wider spectrum of potential applications, including ... bottom of the conduction band; EF the Fermi level; XS the work function and XSO the electron affinity Figure 4-2: Energy band diagram of metal and semiconductor contact...

Ngày tải lên: 16/10/2015, 15:37

... scattered intensity) could help differentiate between normal tissue and breast tumours As the result, this method could be adapted for use in mammography for the early detection of breast cancer ... Lippincott Williams and Wilkins 1999 Kidane G, Speller RD, Royle GJ, Hanby AM X-ray scatter signatures for normal and neoplastic breast tissues Phys Med Biol 1999; 44:...

Ngày tải lên: 02/11/2012, 11:08

... AC and its corresponding Cu -supported catalyst on the decolourisation of Reactive Orange 16 (RO16) dye The chemical structure of RO16 dye is shown in Figure Figure 1: The chemical structure of ... adsorption of the dye onto the copper oxides and AC Therefore, Cu-AC4 was chosen as the catalyst for removal of RO16 in further experiments 36 Colour removal (%) Decolourisa...

Ngày tải lên: 07/08/2014, 14:20

... STATEMENT OF AUTHORSHIP I certify that the thesis entitled An application of semantic mapping in teaching English vocabulary for students of Food Processing at Nghe An Trading and Tourism vocational ... proficiency-based instruction, and communicative language teaching Communicative Approach is aimed at training students' listening and speak...

Ngày tải lên: 19/07/2015, 18:49

... Three -phase hollow fiber- protected liquid- phase microextraction techniques combined with HPLC analysis 42 2.1 Orthogonal array designs for the optimization of static three -phase hollow fiber- protected ... the hollow fiber This thesis reports on the development and application of hollow fiber- protected LPME techniques to trace organic analysis...

Ngày tải lên: 12/09/2015, 08:20

... individuals who wrote, reviewed, and produced the Best Practices Guide: Application of ISO 14000 Environmental Management Systems (EMS) for Municipalities EET would also like to recognize the ... 2 :Environmental Management Systems USAID/Office of Energy, Environment and Technology 10 B est Practices Manual Chapter 3:Framework for Environmental Manage...

Ngày tải lên: 11/07/2014, 00:21

... this article as: Boutrup et al.: Application of a pig ligated intestinal loop model for early Lawsonia intracellularis infection Acta Veterinaria Scandinavica 2010 52:17 Submit your next manuscript ... Gebhart CJ: Onset and duration of fecal shedding, cellmediated and humoral immune responses in pigs after challenge with a pathogenic isolate or attenuated vaccine str...

Ngày tải lên: 12/08/2014, 18:22

Ngày tải lên: 24/11/2014, 01:06

... communicative activities to develop speaking skills for 10th graders at Son Tay High School-Hanoi” with the hope to make a little contribution to the quality of teaching and learning speaking skills for ... language texts to introduce into the program It will also influence the types of out -of- class tasks set to encourage the students to...

Ngày tải lên: 30/03/2015, 14:32

... activities to improve my teaching speaking at Son Tay High School The above reasons have inspired me to conduct a study on The application of communicative activities to develop speaking skills for 10th ... 10th graders at Son Tay High SchoolHanoi” with the hope to make a little contribution to the quality of teaching and learning spea...

Ngày tải lên: 04/08/2015, 09:41

... seeks to take the first step to apply the lean principles in the context of reducing carbon emissions to the value chain of the precast concrete industry A comprehensive checklist to help both precasters ... contractors improve will be provided at the end of the study To add to the Singapore- specific carbon inventory by identifying the emb...

Ngày tải lên: 10/09/2015, 15:51

... 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

... Adsorption of toxic chemicals in aqueous supernatant from Step 2)Chemical Oxidation or Total Mineralization of the the Organics 3)Deep UV Photooxidation of the Organics 4)Photocatalytic oxidation of ... in both dispersed and heterogeneous forms (supported) tsnl Advantanges of this Approach•The light absorption and energy levels of the semiconductor valence and conduction...

Ngày tải lên: 14/03/2014, 20:20