Invited Luncheon Speaker - May 6, 2008 - Bill Newman, Remediation and Natural Attenuation Services

In Situ Bioremediation Using Vegetable Oil Emulsions and Colloidal Insoluble Buffers

Abstract
The use of vegetable oil as an electron donor for anaerobic bioremediation has been explored since the early 1990s. However, neat vegetable oil can be difficult to inject and distribute effectively in the subsurface. Preparing oil-in-water emulsions in the field improved the effectiveness of vegetable oil, but only with the development of small droplet factory manufactured emulsions has the technology seen widespread use. RNAS was the first company to offer a kinetically stable sub-micron vegetable oil emulsion in 2002. By 2008 commercial emulsions had been applied to hundreds of sites and millions of pounds of vegetable oil have been effectively injected. An overview of the use of vegetable oil emulsions to address contaminated ground water will be presented. Another common challenge in anaerobic bioremediation is maintaining neutral pH in poorly buffered soils and ground water. The addition of electron donor often reduces the ground water pH below optimal conditions for microbial activity. The use of colloidal insoluble buffers offers a unique solution to this problem. An overview of colloidal buffer technologies will be presented.

Biography
Bill Newman is the founder and president of Remediation and Natural Attenuation Services, Inc. Bill’s experience includes work as a bioremediation specialist and environmental chemist, developing and marketing products for bioremediation, and providing technical support for these products. He has more than 20 years experience in bioremediation consulting, specializing in the evaluation of natural attenuation, and the design, installation, and monitoring of remediation systems. Mr. Newman’s inventions and products include a low-cost oxygenation system for aerobic bioremediation (US patent #6,561,497), methods for manufacturing and injecting small droplet edible oil emulsions for anaerobic bioremediation (US patent #6,806,078), and development of colloidal insoluble buffer systems (patent pending).

Bill Newman
Remediation and Natural Attenuation Services
6712 West River Rd
Brooklyn Center, MN 55430
763-585-6191