CO2 Recycling Technology Patented

Krebs & Sisler has developed a CO2 separation and recycling method called Enhanced Photosynthesis and Photocatalysis Water Treatment/Biomass Growth Process.

The technology is described in US Patent No. 8,673,615. The suburban Chicago energy research firm says it complements the O2/CO2 combustion and condensing boiler system of its US Patent No. 6,907,845 which separates and recovers CO2 and all other combustion-generated exhaust gases.

In O2/CO2 combustion, oxygen is diluted with CO2 for temperature control of the fuel oxidant used to combust coal, petroleum coke or natural gas. Excluding the nitrogen that is present in air-fired combustion enables cost-free recovery of both the condensate and the CO2 from a condensing boiler. The condensate and CO2 are pumped into deep and slowflowing water channels, saturated in the visible light spectrum of light-emitting diodes (LEDs). A photocatalyst mineralizes organic and inorganic compounds for absorption into a cynobacterial biomass like Spirulina. The absorption of minerals in the growing biomass concurrently purifies the flowing water.

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