Source: CERAMEM CORPORATION submitted to NRP
ABRASION-RESISTANT INORGANIC MEMBRANES FOR SUGAR PROCESSING
Sponsoring Institution
National Institute of Food and Agriculture
Project Status
COMPLETE
Funding Source
Reporting Frequency
Annual
Accession No.
0200835
Grant No.
2004-33610-14825
Cumulative Award Amt.
(N/A)
Proposal No.
2004-02656
Multistate No.
(N/A)
Project Start Date
Sep 1, 2004
Project End Date
Oct 31, 2006
Grant Year
2004
Program Code
[8.5]- (N/A)
Recipient Organization
CERAMEM CORPORATION
12 CLEMATIS AVENUE
WALTHAM,MA 02453
Performing Department
(N/A)
Non Technical Summary
The sugar and grain processing industries produce tens of billions of dollars worth of product each year. These industries have used membrane technology for some applications but membrane durability limits their widespread utilization. At present, there are no commercial cost-effective membranes that have the requisite process performance and lifetime for many applications within these industries. Inorganic membranes are either too expensive or are damaged by the abrasive-laden feed streams typical in sugar and grain processing applications. High temperatures, high viscosities, and membrane fouling have limited the use of polymeric membranes. CeraMem is proposing to develop low-cost, abrasion resistant, inorganic membranes for use in a number of sugar and grain processing applications. If successfully developed, these membranes could be priced less than half that of competing ceramic membranes and have higher flux and better flux stability than competing polymeric membranes. The use of low-cost, durable, inorganic membranes in the sugar and grain processing industries would increase flexibility in production and reduce cost. The membranes could be used to sterilize sugar juice and process liquors for subsequent processing increasing production flexibility or used to replace precoat filters thereby eliminating the costs of filter-aid sludge dewatering and disposal. In addition, this membrane technology could be used for other applications such as grain processing for corn sweeteners and production of ethanol as an alternative fuel.
Animal Health Component
100%
Research Effort Categories
Basic
(N/A)
Applied
100%
Developmental
(N/A)
Classification

Knowledge Area (KA)Subject of Investigation (SOI)Field of Science (FOS)Percent
5011599200050%
5012099200050%
Goals / Objectives
The objectives of this USDA SBIR Phase II project are to develop an abrasion-resistant, ceramic membrane element superior to those commercially deployed in the marketplace and to test this membrane both in the laboratory and the field. Membrane performance in the field will be tested using raw sugar juice in order to demonstrate the commercial viability of the technology.
Project Methods
CeraMem will develop a novel alumina membrane support structure based on a recently patented alumina material. The unique attributes of reaction-bonded alumina will allow the fabrication of large scale, alumina membrane supports, which combined with CeraMem's patented membrane module technology, will provide for low-cost, high- surface- area ceramic membrane modules. In addition, CeraMem will further develop a novel membrane, which demonstrated exceptional abrasion resistance during Phase I of the project. CeraMem will evaluate the abrasion resistance, chemical durability, and process performance of pilot scale membrane elements both at CeraMem and on raw sugar juice during a modest field trial. The evaluation will be concluded with a manufacturing cost analysis of the new membrane technology to ensure that the technology is commercially viable.

Progress 09/01/04 to 10/31/06

Outputs
OUTPUTS: The major output of this Phase II SBIR project was the development of a new technical approach for the manufacturing of chemically-durable and abrasion-resistant ceramic membrane filters. The new approach was the result of experiments conducted using a new materials system for CeraMem's membrane elements. The resulting data and analysis of these activities are reported in the project's final report for dissemination to the US Government under the SBIR Data Rights. As this is a small business project, further dissemination of the products of the project has not and will not occur until it is commercially advantageous to do so. PARTICIPANTS: Individuals: PI: Bruce A. Bishop, Ph.D. Lead Scientist: Christopher B. Hoffman, Ph.D. Partner Organizations: Amalgamated Research Inc. Itasca Systems Inc. PROJECT MODIFICATIONS: A significant technical challenge caused significant disruption in the project workplan. The detailed project timeline is discussed in the final report. Despite the workplan disruption, no changes were made to the project objectives.

Impacts
During the course of the project, CeraMem achieved three significant results. The major technical hurdles to producing large, defect-free alumina membrane supports were overcome. A new material system for producing abrasion resistant membranes was developed. And finally, CeraMem was able to place prototype abrasion-resistant ceramic membranes at a pilot test facility of a major industrial partner in corn ethanol processing. However, the proposed alumina membranes have not yet been sufficiently developed for adoption in commercial membrane manufacturing. Therefore the primary outcome was establishing a knowledge base regarding this new materials system. We anticipate that this outcome will lead to a successful commercialization of the product after continued development.

Publications

  • No publications reported this period


Progress 10/01/05 to 09/30/06

Outputs
The purpose of this USDA Small Business Innovations Research (SBIR) Phase II project is to develop abrasion resistant membranes for filtration and clarification of agricultural feedstocks such as sugar juice. The first goal of the project is to develop a novel reaction bonded aluminum oxide (RBAO) membrane support structure. During this period, CeraMem has continued to address the technical challenges of increasing the RBAO support structure from laboratory scale to production scale. At the close of the reporting period, these issues had not yet been resolved. The second goal of the project is to create an abrasion-resistant membrane on the RBAO supports. In the previous reporting period, these membranes were developed on laboratory-scale modules. During this period, the membranes were applied to pilot-scale modules using previously developed recrystallized silicon carbide (rSiC) supports. The pilot-scale module with the abrasion resistant membrane is currently being field tested on stillage produced during fuel ethanol production. The results of these field tests are pending. A further no-cost extension to the project will allow for the completion of the field testing as well as additional long-term characterization of the new membrane for abrasion resistance and chemical durability.

Impacts
The abrasion-resistant ceramic membranes being developed in this program, if successfully commercialized, could reduce the cost of processing several different agriculturally important feedstocks such as sugar, corn sweeteners, and stillage from fuel ethanol production. Improved process technology in these areas could reduce the amount of material disposed in landfills and improve the economic viability of many rural areas that are dependent on agriculture.

Publications

  • No publications reported this period


Progress 10/01/04 to 09/30/05

Outputs
The purpose of this USDA Small Business Innovations Research (SBIR) Phase II project is to develop abrasion resistant membranes for filtration and clarification of agricultural feedstocks such as sugar juice. The first goal of the project is to develop a novel reaction bonded aluminum oxide (RBAO) membrane support structure. During this period, CeraMem has carried out physical and chemical testing on a broad range of RBAO compositions. From these tests, the composition that resulted in the optimum balance of strength and permeability was identified. The optimized RBAO samples show no discernible loss of strength from chemical attack after soaking for 200 hours at 95 degrees celcius in both pH 1 and pH 14 solutions. During this period, we have successfully fabricated laboratory scale supports of the optimized material. The RBAO supports proved stronger than currently utilized silicon carbide supports, but did have an acceptable reduction in permeability. CeraMem is currently scaling this technology to larger supports. The second goal of the project is to create an abrasion-resistant membrane on the RBAO supports. The development of this membrane has been concurrent with the scaling of the support. At this point, we have produced an abrasion resistant coating for use on the novel RBAO supports analogous to that developed in Phase I. The performance of the membrane will be evaluated during the next reporting period.

Impacts
The abrasion-resistant ceramic membranes being developed in this program, if successfully commercialized, could reduce the cost of processing several different agriculturally important feedstocks such as sugar, corn sweeteners, and stillage from fuel ethanol production. Improved process technology in these areas could reduce the amount of material disposed in landfills and improve the economic viability of many rural areas that are dependent on agriculture.

Publications

  • No publications reported this period