Company Filing History:
Years Active: 2017
Title: Innovations of Daniel Nielsen in Nanoporous Silica Composites
Introduction
Daniel Nielsen is an accomplished inventor based in Burlington, VT (US). He has made significant contributions to the field of materials science, particularly in the development of nanoporous silica polyamine composites. His innovative work focuses on enhancing the functionality and application of these materials in various environmental contexts.
Latest Patents
Daniel Nielsen holds a patent for "Nanoporous silica polyamine composites with surface-bound zirconium (IV) and methods of use." This patent describes silica polyamine composites (SPC) made from silanized amorphous nano-porous silica gel and poly(allylamine) (BP-1). The composites were functionalized with phosphorus acid using the Mannich reaction, resulting in a phosphonic acid modified composite (BPAP). The immobilization of zirconium (IV) on BPAP allows for strong adsorption of arsenate anions in a pH range of 2 to 8, while arsenite shows effective adsorption at pH 10. The regeneration of the resin was successfully achieved for As(V) and As(III) using 2M-HSO. Notably, four adsorption/desorption cycles for As(V) at pH 4 demonstrated no significant decrease in uptake performance. The longevity of the ZrBPAP composite was tested over 1000 cycles, showing only a marginal loss of performance.
Career Highlights
Daniel Nielsen is affiliated with the University of Montana, where he continues to advance his research in innovative materials. His work has garnered attention for its practical applications in environmental remediation and water treatment technologies.
Collaborations
Daniel has collaborated with notable colleagues, including Edward Rosenberg and Varadharajan Kailasam, contributing to the advancement of research in his field.
Conclusion
Daniel Nielsen's innovative work in nanoporous silica composites exemplifies the potential of materials science to address environmental challenges. His contributions are paving the way for future advancements in this important area of research.