Flow batteries are one emerging technology for storage of electrical energy. Development of large-scale flow batteries would enable storage of electricity created at off-peak times (mostly at night) and then supplied to the grid at peak (~noon-4pm) hours. Sources like wind generators or large electrical utility plants (that cannot totally shut down off-peak) would charge…

see http://aogg10.vivu.tv/portal/archive.jsp?flow=090-760-9834&id=1286992448850 Many great discussions and presentation by green tech companies. Check it out.

Requested Consulting: Process design review of coal pyrolysis project for investor group. Design and Business Issues: 1) Created a material balance showed company claimed process had over 100% yield of widely promoted product and claimed yield was probably >20% higher than what technology could produce. 2) Marketing claimed carbon product may get sold into drinking…

Requested Consulting: Create model and basic economic evaluation for process converting sunlight and CO2 into bio-based chemical for patent pending process. Scope: Client needed material & energy balance and corresponding capital cost estimate for process. Results: 1) Provided model for parts of material and energy balance that drive economics. 2) Converted lab data for biologic…

Requested Consulting: Design economical distillation process for splitting 19 alcohol isomers (from C1 to C9) into fractions of all C1, C2, C3…Cn, then further split Cn isomers into pure components to sell as specialty chemicals. Design Issues: 1) Client had no market research indicating purity required/matching price for these chemicals. 2) Client was unaware that…

Requested Consulting: Process Design Review of Biomass Conversion Process Design Issues Identified: 1) Distillation column would not work as desired for given feed composition. 2) Scrubber of hot gases had no cooling, low efficiency, and too high of evaporation. 3) Pressure Relief missing from several vessels. 4) Materials of construction were questionable for parts of…

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