Preparation and sorption properties of porous materials from refuse paper and plastic fuel (RPF)

Journal of Hazardous Materials
Z KadirovaKiyoshi Okada

Abstract

Porous materials consisting of activated carbon and amorphous CaO-Al(2)O(3)-SiO(2) (CAS) compound were prepared from refuse paper and plastic fuel (RPF), (a mixture of old paper and plastic) by carbonizing and/or activating treatments. Samples formed by chemical activation using K(2)CO(3) showed a high specific surface area (S(BET)) of 1330 m(2)/g but a lower ash content due to being washed after activation. By contrast, samples prepared by physical activation using steam showed rather lower S(BET) (510 m(2)/g) due to higher ash contents. The physically activated samples showed much higher uptake properties for Ni(2+) (a representative heavy metal) and phosphate ions (a representative of a harmful oxyanion) than the chemically activated samples because of the higher content of amorphous CAS in the former samples. By contrast, the chemically activated samples showed higher uptake for methylene blue (MB, a representative organic material) than the physically activated samples because of the higher activated carbon content of higher surface area. Although differences in the sorption properties for Ni(2+), phosphate ion and MB were found between the physically and chemically activated samples, both samples show excellent multiple s...Continue Reading

References

Jun 30, 2000·Journal of Colloid and Interface Science·R S JuangR L Tseng
Jun 18, 2005·Journal of Hazardous Materials·Arunima Sharma, Krishna G Bhattacharyya
Nov 1, 2005·Journal of Colloid and Interface Science·Kiyoshi OkadaAtsuo Yasumori
Nov 1, 2005·Journal of Colloid and Interface Science·Kiyoshi OkadaAtsuo Yasumori

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Citations

Jul 24, 2007·Journal of Hazardous Materials·M HojamberdievZ Kadirova

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