Photodegradation of Methyldiethanolamine in Petroleum Waste Using Titanium Dioxide/zinc Oxide as Catalyst PDF Download
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Author: Chooi Yan Lee
Publisher:
ISBN:
Category : Photochemistry
Languages : en
Pages : 55
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Book Description
Author: Chooi Yan Lee
Publisher:
ISBN:
Category : Photochemistry
Languages : en
Pages : 55
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Book Description
Author: Irwanshah Amanshah
Publisher:
ISBN:
Category : Photocatalysis
Languages : en
Pages : 51
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Book Description
Author: Boon Siew Ooi
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages : 51
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Book Description
Author: Ay Ping Lai
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Book Description
Author: Noor Farhana Omar
Publisher:
ISBN:
Category : Photochemistry
Languages : en
Pages : 46
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Book Description
Author: Mohd Afendi Abdul Mutalib
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 51
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Book Description
Photocatalytic degradation is a process where the organic contaminant in water is degraded by UV light. UV photo oxidation acts to degrade and remove organic compound through the ultraviolet radiation to activate the catalyst. The catalyst used in this study is titanium dioxide (TiO2) which is chosen based on its properties that are low toxicity, low resistance to corrosion and semiconductor. The semiconductor will absorb the UV light and attract electrons across the energy gap into the conduction band. This electron will change into hydroxyl radicals which can decompose organic compounds while still in the waste water stream. So this is the basic concept that applied in industrial to treat the waste water or any pollutant in water in order to protect the environmental. Simulated oils waste water was used to replicate the Palm Oil Mill Effluent (POME). The studied parameters are the effect of catalyst concentration and irradiation time. The effect of both parameters has studied using Design Expert 7 to determine the optimum condition of degradation activities. The degradation activities were measured through the change of initial and final COD and dissolved oxygen in sample. Through Analysis of Variance (ANOVA) and optimization application of Design Expert 7, it was found that the optimum condition to achieve maximum degradation activities.-Author-
Author: Mariami Alisa Sharifuddin
Publisher:
ISBN:
Category :
Languages : en
Pages : 58
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Author:
Publisher:
ISBN:
Category : Titanium
Languages : en
Pages : 232
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Book Description
Degradation of linuron (N-(3, 4-dichlorophenyl)-N'-methoxy-N'-methylurea), which is a harmful phenylurea herbicide commonly found as residue in water , was conducted via heterogeneous photocatalysis on commercial and synthesized titanium dioxide (TiO2) and commercial and synthesized zinc oxide (ZnO). Nanoparticles of the photocatalysts were synthesized via the sol-gel method. The photocatalytic degradation of 10-ppm linuron aqueous solution was conducted in a batch photo-reactor. Concentration of linuron was periodically monitored using high performance liquid chromatography (HPLC) with 254-nm UV detector. The decrease of total organic carbon as a result of mineralization of linuron was also observed during the degradation process.
Author: Umi Khalsum Sulaiman
Publisher:
ISBN:
Category :
Languages : en
Pages : 41
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Book Description
Author: Wan Azelee Wan Abu Bakar
Publisher: LAP Lambert Academic Publishing
ISBN: 9783848483006
Category :
Languages : de
Pages : 104
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Book Description
N-methyldiethanolamine (N-MDEA) is used in the natural gas refinery process to remove carbon dioxide (CO2) and hydrogen sulphide (H2S) and was discharged as pollutants with other aromatic hydrocarbons such as Benzene-Toluene-Xylene (BTX) compounds. The small leakage of this component will contaminate the environment and lead to heavy water pollution. These dangerous materials that polluted the water system can effect the aquatic life by consume dissolved oxygen. Thus, some effort must be carried out to overcome these problems. In this study, photocatalytic process has been introduced for the treatment of these compounds using coupled ZnO/TiO2, WO3/TiO2 and ternary ZnO/WO3/TiO2 which were prepared via sol-gel method. The parameters studied in this research were ratio of photocatalyst used, the effect of sonication and ozonation processes, various initial concentrations of substrate and different UV wavelength for the degradation of N-MDEA and BTX compounds in aqueous system. This research should help and provide a new insight to the scientist worldwide in waste water treatment or anyone else who may be considering utilizing this techniques for green environmental efforts.
