Publication: Surface active natural rubber film for sludge waste capturing in water
Loading...
Date
2024-09-01
Authors
Nur Ayunni, Ahmad Shahrul Amin
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Film-based technology is a well-known method for addressing contaminant issues in wastewater systems. This study explored the use of natural rubber latex (NRL) and deproteinized natural rubber latex (DNRL) films as emerging materials for capturing sludge residue in water. Significant findings include the quantification of captured sludge particles in river water and seawater using surface-active NRL and DNRL films, which operate through a surface attraction mechanism. The research demonstrated that the efficiency of sludge capturing was influenced by the concentration of zinc diethyldithiocarbamate (ZDEC) and the periodic stretching relaxing process applied to the films. Specifically, the optimal 10 phr of ZDEC loading was found to enhance the mechanical properties and sludge-capturing capabilities of both NRL and DNRL films. At a higher ZDEC loading of 15 phr, both films recorded increased surface potential values, attributable to the formation of Zn2+ complex ions on their surfaces. Additionally, FTIR analysis revealed that the films’ spectra contained peaks that matched those in the sludge samples, indicating successful electrostatic attraction between the film surfaces and sludge particles. This result suggests that the electrostatic surface charging between the NRL and DNRL films and the sludge waste particles was a key factor in the sludge capturing process. The study also highlighted that the use of ZDEC not only improved the films' surface charge but also enhanced their ability to effectively attract and retain sludge particles, demonstrating the potential of these films in wastewater treatment applications.