Environmentally Friendly Adsorbents

Siswoyo, Eko; Dai, Yingjie; Mori, Miwako; Wada, N.; Itabashi, Hideyuki

doi:10.1007/698_2021_827

Cited by 1 publication

(1 citation statement)

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“…The surface of the adsorbent can be positively charged (under acidic circumstances), negatively charged (under basic conditions), or electrically neutral (around the material's isoelectric point) at different pH levels. The attraction or repulsion forces between the cesium ions and the adsorbent are determined by the surface charge, which influences the adsorption capacity [11][12][13].…”

Section: Removal Of Cesium Ion In Water On Different Ph Of Solutionmentioning

confidence: 99%

Novel adsorbent derived from sludge of paper industry for removal of cesium ion in water

Siswoyo,

Tanaka

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Metal ion contamination has been a public concern due to its negative impact on human health and the environment. Cesium (Cs), a harmful metal ion, can cause cell damage; acute radiation syndrome includes nausea, vomiting, diarrhea, bleeding, and, in extreme cases, death. As a result, removing cesium ion from water is critical. This research aims to examine the capacity of a novel adsorbent derived from paper industry solid waste to remove cesium ion from water. The adsorption process was carried out with some variables including adsorbent dose, solution of pH, contact time, initial Cs concentration, and adsorbent form. According to characterization data, paper industry sludge contains elements such as SiO2 (28.1%), CaO (21.8%), Al2O3 (16.1%), and Fe2O3 (12%), among others. The surface area of the adsorbent is 100 m2/g and a diameter of 3.8 nm. Following equilibrium, the current study discovered that the developed adsorbent has the highest cesium removal, up to 79% for 10 mg/L of Cs initial. The novel adsorbent has high adsorption removal and may be a promising adsorbent material for metal ion removal in water.

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Section: Removal Of Cesium Ion In Water On Different Ph Of Solutionmentioning

confidence: 99%