Shirasu Balloons and Polydopamine-Modified Shirasu Balloons for Adsorption of Methylene Blue

Chairunnisa, Dwi Siswanta, Adhitasari Suratman, Shunitz Tanaka

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The development of shirasu balloons (SB) modified with polydopamine (PDA) has been conducted. The aim of this research is to increase the performance of shirasu balloons in the adsorption of methylene blue (MB). The SB modified with PDA (SB/PDA) was prepared by immersing SB in the dopamine solution in the aerobic alkaline condition. The prepared material was characterized using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy with energy dispersive X-ray spectrometry (SEM-EDS), specific surface area N2 sorption, and zeta potential analysis. The adsorption behavior of SB and SB/PDA was investigated by studying the effect of the pH, adsorption kinetics, and effect of salt concentration. The adsorption kinetics of SB before and after modification was analyzed using two kinetics models, i.e., pseudo-first order and pseudo-second order. The adsorption isotherm was analyzed using Langmuir and Freundlich models. The adsorption study results showed that the adsorption isotherm fitted to Langmuir isotherm with a maximum capacity that could reach up to 26.17 mg g−1 for SB and 36.23 mg g−1 for SB/PDA. The adsorption kinetics showed that adsorption behavior followed the pseudo-second-order kinetic model and the equilibrium time for each material can be obtained at 5 min shaking time.

Original languageEnglish
Article number412
JournalWater, Air, and Soil Pollution
Issue number11
Publication statusPublished - Nov 1 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Ecological Modelling
  • Water Science and Technology
  • Pollution


Dive into the research topics of 'Shirasu Balloons and Polydopamine-Modified Shirasu Balloons for Adsorption of Methylene Blue'. Together they form a unique fingerprint.

Cite this