(377a) Adsorption of Amoxicillin in Contaminated Water from Canebagasse Ash
AIChE Annual Meeting
2019
2019 AIChE Annual Meeting
Separations Division
Poster Session: Fundamentals and Applications of Adsorption and Ion Exchange
Tuesday, November 12, 2019 - 3:30pm to 5:00pm
Drugs have become a growing concern for the population, because many of them
reach drinking water sources through wastewater or through their inappropriate
disposal. This results in an increase in microbial resistance and possible effects on
the endocrine system. The cane is processed mainly to obtain alcohol and sugar.
Bagasse ash is obtained from incineration as a flying material in the form of ultrafine
particles. One of its applications is its use as an adsorbent material. In the adsorption
molecules that can be in liquid or gaseous state adhere on the surface of a solid. The
objective of this study was to determine the adsorption capacity of cane bagasse
ash to remove antibiotics from drinking water samples. 9 different amounts of ash
were used (0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10 y 20g) kore white. For each of the samples,
50 ml of the antibiotic solution (amoxicillin) was added. The percentage of antibiotic
removal was measured after 1, 3, 7, 14, 21, 28 days of agitation (120 RPM). For the
activation of the ash, 300 g of ash were added in a 2L beaker with 272g of zinc
chloride, shaked for 2 hours, then left to stand for 48 hours and finally dried in a
furnace for 72 hours. 105 ° C. The pH was brought to 7. El mejor porcentaje de
remoción para la ceniza sin activar fue del 95.64% con 20 g para el día 7. However,
on day 3 a very close removal of 95.3% was obtained. The ash of 10 g presented a
percentage of removal very similar to that of 20 g during all measurements; and the
5 g ash achieved equally close removals on day 28. For the case of the activated
ashes the best percentage of removal was 100% with the ash of 10 g for day 7.
However, from day 1 a similar removal was obtained, of 98.9%. The ash of 10 g
presented a better performance to the amount of 20 g. The ash of 5 g achieved
removals close to those of the previous two, on day 7. After day 7 an effect of
desorption of the antibiotic was found, for which it was found that for the case of
the ashes without activation the best retention time is day 3 while for the activated
ash it is day 1. Likewise, the activated ash achieved higher removal percentages than
the non-activated ash, but its main advantage is evidenced in its ability to remove
large amounts of antibiotic with much shorter retention times than with the nonactivated
ash.
reach drinking water sources through wastewater or through their inappropriate
disposal. This results in an increase in microbial resistance and possible effects on
the endocrine system. The cane is processed mainly to obtain alcohol and sugar.
Bagasse ash is obtained from incineration as a flying material in the form of ultrafine
particles. One of its applications is its use as an adsorbent material. In the adsorption
molecules that can be in liquid or gaseous state adhere on the surface of a solid. The
objective of this study was to determine the adsorption capacity of cane bagasse
ash to remove antibiotics from drinking water samples. 9 different amounts of ash
were used (0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10 y 20g) kore white. For each of the samples,
50 ml of the antibiotic solution (amoxicillin) was added. The percentage of antibiotic
removal was measured after 1, 3, 7, 14, 21, 28 days of agitation (120 RPM). For the
activation of the ash, 300 g of ash were added in a 2L beaker with 272g of zinc
chloride, shaked for 2 hours, then left to stand for 48 hours and finally dried in a
furnace for 72 hours. 105 ° C. The pH was brought to 7. El mejor porcentaje de
remoción para la ceniza sin activar fue del 95.64% con 20 g para el día 7. However,
on day 3 a very close removal of 95.3% was obtained. The ash of 10 g presented a
percentage of removal very similar to that of 20 g during all measurements; and the
5 g ash achieved equally close removals on day 28. For the case of the activated
ashes the best percentage of removal was 100% with the ash of 10 g for day 7.
However, from day 1 a similar removal was obtained, of 98.9%. The ash of 10 g
presented a better performance to the amount of 20 g. The ash of 5 g achieved
removals close to those of the previous two, on day 7. After day 7 an effect of
desorption of the antibiotic was found, for which it was found that for the case of
the ashes without activation the best retention time is day 3 while for the activated
ash it is day 1. Likewise, the activated ash achieved higher removal percentages than
the non-activated ash, but its main advantage is evidenced in its ability to remove
large amounts of antibiotic with much shorter retention times than with the nonactivated
ash.