42 results about "Autotrophic organism" patented technology

The present disclosure relates to methods and compositions for engineering photo autotrophic organisms to convert carbon dioxide and light into fatty acid esters and other molecules, including biofuels. The molecules are then secreted by the organism into a growth medium.

The invention provides a device for growing genetically enhanced aquatic photoautotrophic organisms in a stable culture, causing said organisms to produce ethanol, and then separating, collecting, and removing the ethanol in situ.

The present invention provides a method and apparatus for recapturing heat from a solar-assisted volatile fermentation product production process comprising harvesting a volatile fermentation product from a solar-assisted fermentation product production apparatus and utilizing a heat recovery apparatus for recapturing the heat produced during the solar-assisted fermentation product production process. The volatile fermentation product can be produced in an autotrophic organism or by a fermenting organism fermenting fermentable sugars from one or more sugar crops, starch-containing and lignocellulose-containing materials.

The present disclosure relates to a method for separation of solid particles from a waterbody. Preferably, the present disclosure relates to a method, wherein a combination of chemicals including coagulant(s) and flocculant(s) are employed for said separation of solid particles, wherein suitable examples of solid particles are living organisms and non-living matter, wherein living organisms include autotrophs such as phototrophs, which are either microscopic or macroscopic in nature (algae). The disclosure thus particularly relates to method of chemical coagulation and flocculation for separating solid particles, preferably either algae or bacteria or both from a waterbody. The present disclosure also provides for an alternate method, wherein the aforesaid method of coagulation and flocculation is combined with electro-coagulation and / or pH modulation strategies for separation of said solid particles in any sequence.

The invention discloses a device and a method for denitrification of single stage autotroph in low-cellulose nitrate (CN) high-ammonia nitrogen waste water. The device comprises a raw water tank, a water inlet pump, a reactor, a secondary sedimentation tank and a sludge reflux pump, wherein overcurrent holes are arranged in the water flow direction of the reactor in an up-and-down alternative form and connected with various grid chambers, an anoxic zone grid chamber is arranged at the front end of the reactor, and an aerobic zone grid chamber is arranged at the back end of the reactor; the anoxic zone grid chamber is provided with a stirrer and an agitator blade; the aerobic zone grid chamber is provided with the stirrer, the agitator blade, an aeration riser pipe and an intermediate perforated clapboard; and the aeration riser pipe is internally provided with an aeration head, and sponge filling material is filled below the intermediate perforated clapboard, wherein filling ratio is 30-50%. In the method, shortcut nitrification is achieved above the aerobic zone through low dissolved oxygen (DO is 0.5 <-1>mg / L) and free ammonia (FA) inhibition so that ammonia nitrogen is converted to nitrite nitrogen; and anoxicammoxidation biomembrane acts on the lower part of the aerobic zone, the nitrite nitrogen and ammonia nitrogen are converted to nitrogen, thereby achieving denitrification of autotroph. The method has the advantages of low oxygen consumption, less sludge output and no extra carbon source.

The invention discloses a device with complex function to intensify the desulfuration of autotrophic organisms, belonging to the water treatment technical field. The device mainly comprises a cathode chamber and an anode chamber which are separated by a proton membrane; wherein, the anode chamber is internally put with dimensional stability anode; the cathode chamber mainly comprises an uniform water-locator and a multifunction three-dimensional compound biology cathode which mainly comprises a hydrogen supply system air inlet chamber, membrane wires, an electric conduction porous flexible carbon material clad on the surface of the membrane wires and a diversion rod which is fixed on one side of the flexible carbon material and is convenient for external circuit to be connected; sulfate reducing bacteria is attached to the electric conduction porous flexible carbon material carrier and the surface of the membrane wires; the external circuit is supplied by power supply. The device has the advantages of high treatment efficiency, low consumption, stable operation and low investment.

The invention relates to the technical field of wastewater treatment, in particular to a sewage treatment device and method for strengthening municipal sewage autotrophic denitrification and simultaneous phosphorus recovery. The sewage treatment device provided by the present invention includes a chemical phosphorus removal area and an autotrophic biological nitrogen removal area connected in sequence; the chemical phosphorus removal area includes a mixing area, a flocculation sedimentation area, and an anaerobic fermentation area; the autotrophic biological nitrogen removal area It includes an inner layer aerobic zone and a biofilm carrier distributed outside the inner layer aerobic zone; the bottom of the autotrophic biological denitrification zone is provided with a dosing device; it also includes a reflux system, the water inlet of the reflux system It communicates with the autotrophic biological denitrification zone, and the water outlet of the reflux system communicates with the mixing zone of the chemical phosphorus removal zone. The device provided by the invention is used to denitrify and dephosphorize municipal sewage, which can reduce material consumption and energy consumption, and improve efficiency of denitrification and phosphorus removal.

The present invention provides a method and apparatus for recapturing heat from a solar-assisted volatile fermentation product production process comprising harvesting a volatile fermentation product from a solar-assisted fermentation product production apparatus and utilizing a heat recovery apparatus for recapturing the heat produced during the solar-assisted fermentation product production process. The volatile fermentation product can be produced in an autotrophic organism or by a fermenting organism fermenting fermentable sugars from one or more sugar crops, starch-containing and lignocellulose-containing materials.