Abstract:
PURPOSE: A supercritical water gasifier for conversion of microalgae to syngas is provided to enlarge biomass resource used for energy conversion. CONSTITUTION: A supercritical water gasifier for conversion of microalgae containing moisture into syngas comprises: a microalgae storage tank(21) for storing microalage with high water content; a microalgae supply tube(22) for moving the stored microalge to a supercritical reactor; a microalgae supplier(20) having a transfer pump(23) mounted at the channel of the microalgae supply tube; a reaction tank(31) which gasifies the microalgae under a supercritical condition; a furnace(32) for heating the reactor; and a supercritical reactor(30) having a syngas discharge tube(33).
Abstract:
PURPOSE: A method for isolating oil from microalgae and converting into bio diesel is provided to remove chlorophyll before conversion into bio diesel and to enhance bio diesel conversion rate. CONSTITUTION: A method for isolating oil from microalgae and converting into biodiesel comprises: a step of isolating oil from the microalgae by solvent extraction, microwave method, hot water treatment, enzyme treatment, or pressing; a step of contacting the isolated oil with adsorbing agent to remove chlorophyll contained in the oil; and a step of converting the oil into bio diesel. The adsorbing agent is activated charcoal, activated clay, kaolite, zeolite, or bantonite. A solvent used in solvent extraction is hexane, petroleum ether, methanol, or chloroform.
Abstract:
PURPOSE: A method for culturing microoralgae is provided to efficiently remove 90% or more of carbon dioxide and to supply the carbon dioxide to algae. CONSTITUTION: A method for culturing microalgae, which is combined with a process of collecting carbon dioxide from exhaust gas comprises: a step of collecting the carbon dioxide in ammonium carbonate and ammonium bicarbonate using an ammonia solution; a step of culturing the microalgae using the collected ammonium carbonate and ammonium bicarbonate; and a step of separating the remaining amount of ammonium ions.
Abstract:
A flat vertical parallelepiped-type photosynthetic bacteria incubator for biologically producing hydrogen is provided to make photosynthesis of microorganism actively by providing constant light to the inside thereof using a transparent rectangular parallelepiped of a culture tank, thereby increasing the production amount of the hydrogen. A flat vertical parallelepiped-type photosynthetic bacteria incubator for producing hydrogen comprises: a culture tank(20) where a transparent rectangular parallelepiped having a thickness of 3-12 cm is arranged in a vertical flat shape to disperse light evenly to inside of the incubator, thereby producing hydrogen by photosynthesis of the photosynthetic bacteria; a cover(30) opening and closing the upper portion of the culture tank and having a culture medium inlet(31); an exhaust pipe(40) which is inserted into the cover and moves the hydrogen produced from the inside of the culture tank to an outside storage tank; and an agitator(50) which agitates the culture medium including the photosynthetic bacteria of the culture tank to discharge contained hydrogen, wherein the culture tank is made of transparent acryl which is easy to handle and cheap and has light transparency.
Abstract:
본발명은미세조류에서바이오디젤을생산하는방법에있어서, 일정기간미세조류를증식배양하는제1단계; 상기제1단계와구별하여, 일정기간미세조류에압력스트레스를가해세포막에결합되어있는극성지질을트리글리세라이드의형태로전환시키는제2단계; 및트리글리세라이드부터바이오디젤을전환시키는제3단계를포함하는것이특징인바이오디젤생산방법을제공한다. 본발명은트리글리세라이드함유지방방울(lipid droplet; LDs)을다량축적할수 있기때문에바이오디젤제조를위한전단계의오일추출비용을크게낮출수 있다. 따라서, 저비용및 산업상적용가능한스케일로미세조류에서바이오디젤을생산할수 있다.
Abstract:
본발명은미세조류에서바이오디젤을생산하는방법에있어서, 일정기간미세조류를증식배양하는제1단계; 상기제1단계와구별하여, 일정기간미세조류에압력스트레스를가해세포막에결합되어있는극성지질을트리글리세라이드의형태로전환시키는제2단계; 및트리글리세라이드부터바이오디젤을전환시키는제3단계를포함하는것이특징인바이오디젤생산방법을제공한다. 본발명은트리글리세라이드함유지방방울(lipid droplet; LDs)을다량축적할수 있기때문에바이오디젤제조를위한전단계의오일추출비용을크게낮출수 있다. 따라서, 저비용및 산업상적용가능한스케일로미세조류에서바이오디젤을생산할수 있다.