Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons
About This Grant
PROJECT SUMMARY/ABSTRACT (Resubmission – Revised) This project aims to develop and validate an innovative water treatment technology using Colloidal Gas Aphrons (CGAs) for comprehensive removal of both long-chain and ultra/short- chain per- and polyfluoroalkyl substances (PFAS) from contaminated water. PFAS are persistent environmental pollutants linked to significant health risks, and current technologies often fail to adequately capture short-chain and precursor compounds, leaving a critical gap in remediation strategies. Our technology uses positively charged CGAs—microscale structures composed of air, water, and surfactant—that remove anionic PFAS via electrostatic attraction. In contrast to conventional approaches like granular activated carbon or foam fractionation, CGAs operate under atmospheric pressure, offer superior short-chain PFAS removal, and naturally concentrate PFAS into small liquid volumes for downstream destruction. This resubmission incorporates new data and revisions that directly address reviewer concerns. Specifically, we have: • Demonstrated >99% removal of key PFAS (including PFOS, PFOA, PFHxS) in a three- stage semi-batch system. • Shown that residual surfactant levels are <0.1 ppm—well below regulatory thresholds for human consumption. • Confirmed scalability using commercial aphron generation equipment operating at atmospheric pressure. • Clarified intellectual property protections under U.S. Patent No. 11,679,999 B2, with broad claims covering surfactant-based PFAS removal. Research objectives include: 1. Optimization of aphron generation and separation, including multi-stage performance enhancement and continuous flow reactor development (1–2 gpm scale); 2. Performance evaluation across diverse matrices, including high-salinity reverse osmosis concentrate and low-concentration drinking water; 3. Concentration process development for producing high-strength PFAS waste streams suitable for destruction technologies. This work advances a novel, scalable, and cost-effective PFAS treatment platform. Successful Phase I outcomes will position this technology for full-scale deployment, reducing PFAS exposure and enhancing public access to safe, clean drinking water. 11
Grant Summary
Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons is a NIEHS - National Institute of Environmental Health Sciences grant providing up to $181K for university, nonprofit, healthcare org. Applications are due 2027-07-31 (open). Check eligibility and apply with FindGrants.
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How to Apply
Up to $181K
2027-07-31
- 1Confirm your organization is eligible for Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons from NIEHS - National Institute of Environmental Health Sciences, checking organization type, location, and any population or project requirements.
- 2Gather the required documents and information, including your organization details, project plan, and budget figures.
- 3Draft your application narrative and budget addressing the funder's priorities and review criteria. FindGrants can draft each section for you to review and edit.
- 4Review every section against the requirements checklist, then export a submission-ready application pack and submit it to NIEHS - National Institute of Environmental Health Sciences before the deadline.
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Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons: Frequently Asked Questions
Who is eligible for the Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons?
Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons is offered by NIEHS - National Institute of Environmental Health Sciences and is generally open to university, nonprofit, healthcare org. It is open to organizations nationwide unless the funder specifies otherwise. Review the specific eligibility terms before applying, since funders set their own requirements around organization type, location, and the population or project being served.
How much funding does the Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons provide?
Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons provides up to $181K per award from NIEHS - National Institute of Environmental Health Sciences. Actual award sizes depend on the scope of your project, available program funds, and the number of applicants, so build a budget that reflects realistic, allowable costs rather than the maximum figure.
When is the Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons deadline?
Applications for Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons are due 2027-07-31 (open). Because deadlines can change, verify the date with the funder, NIEHS - National Institute of Environmental Health Sciences, and give yourself enough time to prepare a complete, competitive application before the close date.
How do you apply for the Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons?
To apply for Advanced PFAS Removal From Impacted Water Streams Using Colloidal Gas Aphrons, confirm your eligibility, gather the required documents, and prepare a narrative and budget that address the funder's priorities. FindGrants guides you step by step and can draft each section, then exports a submission-ready application pack for this grant from NIEHS - National Institute of Environmental Health Sciences.