Archive for March, 2007
Tuesday, March 13th, 2007
There are various methods available to coat TiO2 onto the surface of the membrane. I will explain briefly some of them, and the method I used.
Ion assisted deposition
This method was used for coating on super-hydrophobic porous teflon membrane. The author stated that the coating of TiO2 by the chemical wet ...
Posted in Membrane Theses, Paper Review | No Comments »
Sunday, March 11th, 2007
Impure water is a water that contaminated by unwanted elements. It can be particles, colloids, debris. Of course, for both drinking water or clean water for household activities, these impurities are not wanted. Thus, it is important for us to treat source water to remove these elements. That is why ...
Posted in Environmental Engineering I | No Comments »
Saturday, March 10th, 2007
The result of my experiment employing TiO2-UV was not satisfying. In terms of flux, TiO2-UV membrane showed severe decline after 30, 60, and around 90 minutes. Not only that, the rejection of membrane coated by TiO2 under UV exposure was lower than naked membrane. This probably due to smaller ...
Posted in Membrane Theses | 1 Comment »
Saturday, March 10th, 2007
I just read my local newspaper and there were two news catching my eyes. The first one was talking about water scarce in Tiongkok, or some of you may say China. While we sometimes use water excessively and exploit water too much, there are our brothers out there who need ...
Posted in Environmental Diary, News and Issues | No Comments »
Thursday, March 8th, 2007
Drinking water scarce, it was the headline of popular newspaper in my city. Citizens were yelling to ask local authority to safe drinking water. The problem is, water is renewable resource, which will never be empty, always be there for water supply. So, why do these people feel that they ...
Posted in Environmental Diary, News and Issues | No Comments »
Monday, March 5th, 2007
First stage of experiment has been accomplished. The result was not satisfying. I used 50, 15 and 1 kD. In terms of flux and accumulated flux, TiO2-UV displayed lower result compare to just naked membrane. Although for 50 kD and 15 kD initial flux were higher than naked membrane, but ...
Posted in Membrane Theses | No Comments »
Saturday, March 3rd, 2007
Yesterday I was requested to join Internation Symposium held in Taiwan. One of the requirement to join is to submit abstract before due date which is next week. While I am writing my own abstract, I think it is good idea to put something here about how to write abstract. ...
Posted in Membrane Theses | No Comments »
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