Optimisation of Copper Oxide Impregnation on Carbonised Oil Palm Empty Fruit Bunch for Nitric Oxide Removal using Response Surface Methodology

Oil palm empty fruit bunch (EFB) was successfully modified with phosphoric acid hydration followed by impregnation with copper oxide (CuO) to synthesize CuO modified catalytic carbon (CuO/EFBC) for low-temperature removal of nitric oxide (NO) from gas streams. CuO impregnation was optimised through...

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Bibliographic Details
Published in:E3S Web of Conferences 2018-01, Vol.34, p.2029
Main Authors: Ahmad, Norhidayah, Yong, Sing Hung, Ibrahim, Naimah, Md Ali, Umi Fazara, Muhammad Ridwan, Fahmi, Ahmad, Razi
Format: Article
Language:English
Subjects:
Adsorption
Catalysis
Chemical synthesis
Copper
Copper oxides
Fruits
Gas streams
Impregnation
Low temperature
Mathematical models
Metals
Natural gas
Nitric oxide
Oxides
Phosphoric acid
Response surface methodology
Sintering
Surface chemistry
Temperature effects
Variance analysis
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Summary:Oil palm empty fruit bunch (EFB) was successfully modified with phosphoric acid hydration followed by impregnation with copper oxide (CuO) to synthesize CuO modified catalytic carbon (CuO/EFBC) for low-temperature removal of nitric oxide (NO) from gas streams. CuO impregnation was optimised through response surface methodology (RSM) using Box-Behnken Design (BBD) in terms of metal loading (5-20%), sintering temperature (200-800˚C) and sintering time (2-6 hours). The model response for the variables was NO adsorption capacity, which was obtained from an up-flow column adsorption experiment with 100 mL/min flow of 500 ppm NO/He at different operating conditions. The optimum operating variables suggested by the model were 20% metal loading, 200˚C sintering temperature and 6 hours sintering time. A good agreement (R 2 = 0.9625) was achieved between the experimental data and model prediction. ANOVA analysis indicated that the model terms (metal loading and sintering temperature) are significant (Prob.>F less than 0.05).
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/20183402029