Chemical and Biological Separations | Apply Online

Opportunity Summary:

The National Science Foundation (NSF) Chemical and Biological Separations (CBS) program (Funding Opportunity Number PD 11 1417) funds fundamental, engineering-oriented research that invents or significantly advances methods, materials, and scientific understanding for separation processes. Separations are treated as a core enabling technology across chemical and biochemical manufacturing, materials processing, energy systems, pharmaceuticals, and related process industries. The program emphasis is not on incremental process tweaks, but on research that builds a deeper, predictive understanding of how separations work at a mechanistic level, especially where multiphase behavior is involved. In practice, this means proposals should clearly address interfacial phenomena, transport behavior, and thermodynamics in complex chemical systems, along with quantitative descriptions that can ultimately improve process performance. The larger motivation NSF highlights is that better separations support more efficient resource use and stronger environmental protection, since separations often dominate both energy use and waste generation in process industries.

CBS particularly encourages projects that push into emerging technologies and new research directions, and it favors proposals with strong interdisciplinary thinking tied to real knowledge creation rather than simple application of known tools. The program also explicitly values integrating research with education, which typically means involving students in research, developing educational materials, or linking research outcomes to training and workforce development. Within its scope, the program calls out several topic areas as especially timely: molecular-level fundamentals of nanostructured materials designed for separations; separation processes for biorenewable resources (for example, biomass-derived feedstocks and bioproduct streams); purification of drinking water; separations driven or enhanced by external fields such as flow fields, magnetic fields, or electric fields; and fundamental advances in adsorption and chromatography. Proposals outside these highlighted areas are still welcome, but NSF advises principal investigators to contact the CBS Program Director before submitting, mainly to confirm fit and competitiveness.

A recurring requirement in the announcement is that proposals must make the novelty unmistakable. Applicants are expected to explain how the idea differs from prior work in the field, why that new element matters for engineering science (for example, enabling new models, mechanisms, materials design rules, or scaling principles), and what the downstream societal or industrial impact could be if the research succeeds. NSF specifies that, at minimum, these points should appear in the Project Summary, which signals that reviewers will be looking for a crisp statement of what is new, why it is scientifically important, and why anyone beyond the lab should care.

On award structure and funding levels, unsolicited CBS awards typically run one to three years, with an average annual award size around USD 80,000. The solicitation also allows small equipment proposals under USD 100,000, but these must be submitted during the program’s defined submission windows. A key administrative detail is that proposals submitted outside the announced dates are returned without review, so timing matters. The opportunity anticipated about 10 awards, with estimated total funding listed at roughly USD 3.2 million. The listing notes no cost sharing requirement. Eligibility is described as unrestricted (open to any type of entity), subject to any additional eligibility clarifications in the full program text.

The announcement also points to a few NSF mechanisms that intersect with CBS. Faculty Early Career Development (CAREER) proposals, while aligned with CBS topics, follow the separate NSF Engineering CAREER timeline: five-year awards with a maximum of USD 400,000 and a submission deadline typically in July each year. Conference, workshop, and supplement proposals may be submitted at any time, but NSF expects prior discussion with the program director. Likewise, RAPID (Rapid Response Research) and EAGER (Early-concept Grants for Exploratory Research) proposals are allowed as alternatives to the former SGER mechanism, but they also require prior discussion with the program director and must follow the NSF Proposal and Award Policies and Procedures Guide (PAPPG).

In terms of timing, the archived notice lists annual submission windows running from February 1 to March 1, and another window from August 15 to September 15 (with examples shown for 2011). The posting date was November 30, 2010, and the opportunity was later replaced by a subsequent announcement (12 1417), which is important for anyone searching today because the original notice is archived. Overall, the CBS program is best understood as a home for high-impact, fundamentals-driven separations research that is mechanistic, quantitatively grounded, and clearly positioned as novel, with a credible path to major benefits in industry, sustainability, or public health (such as safe water).

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