Photoactive hybrid ZnO/ N-Ag -TiO2 films for photocatalytic water purification: nanofibers vs nanorods

2019 ◽  
Author(s):  
Pierre Ramos ◽  
Luis Sanchez ◽  
Juan Rodriguez
Keyword(s):  
Water Purification ◽  
Tio2 Films

scholarly journals Improving Carbon-Coated TiO2 Films with a TiCl4 Treatment for Photocatalytic Water Purification

ChemCatChem ◽  
2017 ◽  
Vol 10 (1) ◽  
pp. 234-243 ◽  
Author(s):  
Gylen Odling ◽  
Aruna Ivaturi ◽  
Efthalia Chatzisymeon ◽  
Neil Robertson
Keyword(s):  
Water Purification ◽  
Tio2 Films ◽  
Ticl4 Treatment ◽  
Carbon Coated

Growth of CdS Nanocrystals within Mesoporous TIO2 Films by using Cadmium Thiolate Derivatives as Unimolecular Precursors

2008 ◽  
Author(s):  
Vincenzo Resta ◽  
Anna Maria Laera ◽  
Maria Cristina Ferrara ◽  
Emanuela Piscopiello ◽  
Saverio Mazzarelli ◽  
...  
Keyword(s):  
Mesoporous Tio2 ◽  
Tio2 Films ◽  
Cds Nanocrystals ◽  
Mesoporous Tio2 Films

Enhanced Photocurrent Properties of Dye/Au-Loaded TiO2 Films by Grating-Coupled Surface Plasmon Excitation

2013 ◽  
Vol E96.C (3) ◽  
pp. 385-388 ◽  
Author(s):  
Hathaithip NINSONTI ◽  
Weerasak CHOMKITICHAI ◽  
Akira BABA ◽  
Wiyong KANGWANSUPAMONKON ◽  
Sukon PHANICHPHANT ◽  
...  
Keyword(s):  
Surface Plasmon ◽  
Tio2 Films ◽  
Plasmon Excitation ◽  
Surface Plasmon Excitation

Fouling Is the Beginning: Upcycling Biopolymer-Fouled Substrates for Fabricating High-Permeance Thin-Film Composite Polyamide Membranes

2020 ◽  
Author(s):  
Ruobin Dai ◽  
Hongyi Han ◽  
Tianlin Wang ◽  
Jiayi Li ◽  
Chuyang Y. Tang ◽  
...  
Keyword(s):  
Thin Film ◽  
High Pressure ◽  
End Of Life ◽  
Water Purification ◽  
Low Pressure ◽  
Polymeric Membranes ◽  
Membrane Recycling ◽  
Film Composite ◽  
Thin Film Composite ◽  
First Time

Commercial polymeric membranes are generally recognized to have low sustainability as membranes need to be replaced and abandoned after reaching the end of their life. At present, only techniques for downcycling end-of-life high-pressure membranes are available. For the first time, this study paves the way for upcycling fouled/end-of-life low-pressure membranes to fabricate new high-pressure membranes for water purification, forming a closed eco-loop of membrane recycling with significantly improved sustainability.

DISINFEKSI UNTUK PROSES PENGOLAHAN AIR MINUM

2018 ◽  
Vol 3 (1) ◽  
Author(s):  
Nusa Idaman Said
Keyword(s):  
Drinking Water ◽  
Water Purification ◽  
Distribution System ◽  
Residual Effect ◽  
Drinking Water Treatment ◽  
Disinfection Byproducts ◽  
Water Disinfection ◽  
Pathogenic Microorganisms ◽  
Microbiological Contamination ◽  
Disinfection Process

Water disinfection means the removal, deactivation or killing of pathogenic microorganisms. Microorganisms are destroyed or deactivated, resulting in termination of growth and reproduction. When microorganisms are not removed from drinking water, drinking water usage will cause people to fall ill. Chemical inactivation of microbiological contamination in natural or untreated water is usually one of the final steps to reduce pathogenic microorganisms in drinking water. Combinations of water purification steps (oxidation, coagulation, settling, disinfection, and filtration) cause (drinking) water to be safe after production. As an extra measure many countries apply a second disinfection step at the end of the water purification process, in order to protect the water from microbiological contamination in the water distribution system. Usually one uses a different kind of disinfectant from the one earlier in the process, during this disinfection process. The secondary disinfection makes sure that bacteria will not multiply in the water during distribution. This paper describes several technique of disinfection process for drinking water treatment. Disinfection can be attained by means of physical or chemical disinfectants. The agents also remove organic contaminants from water, which serve as nutrients or shelters for microorganisms. Disinfectants should not only kill microorganisms. Disinfectants must also have a residual effect, which means that they remain active in the water after disinfection. For chemical disinfection of water the following disinfectants can be used such as Chlorine (Cl2),  Hypo chlorite (OCl-), Chloramines, Chlorine dioxide (ClO2), Ozone (O3), Hydrogen peroxide etch. For physical disinfection of water the following disinfectants can be used is Ultraviolet light (UV). Every technique has its specific advantages and and disadvantages its own application area sucs as environmentally friendly, disinfection byproducts, effectivity, investment, operational costs etc. Kata Kunci : Disinfeksi, bakteria, virus, air minum, khlor, hip khlorit, khloramine, khlor dioksida, ozon, UV.

ELECTROKINETIC PROPERTIES AND SANITARY-HYGIENIC SAFETY OF WATER BIODISPERSIONS DURING ELECTROPROCESSING

2017 ◽  
pp. 123-126
Author(s):  
S. V. Vorobjeva ◽  
O. V. Smirnov ◽  
V. O. Smirnova ◽  
T. V. Semenova
Keyword(s):  
Water Purification ◽  
Electrokinetic Properties

A correlation between the electrokinetic properties of biodispersion and the possibility of increasing the efficiency of water purification in electroprocessing is shown.

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