1751 results about "Algal species" patented technology

A method of fractionating biomass, by permeability conditioning biomass suspended in a pH adjusted solution of at least one water-based polar solvent to form a conditioned biomass, intimately contacting the pH adjusted solution with at least one non-polar solvent, partitioning to obtain an non-polar solvent solution and a polar biomass solution, and recovering cell and cell derived products from the non-polar solvent solution and polar biomass solution. Products recovered from the above method. A method of operating a renewable and sustainable plant for growing and processing algae.

The invention discloses a special biological fish fertilizer and a preparation method for the fertilizer used in aquiculture; wherein, the biological fish fertilizer mainly comprises raw materials as follows: microbiological preparation, inorganic fertilizers, fermentation organics, micro-mineral amino acid chelate, mineral composites, and water quality improver. The preparation method for the special biological fish fertilizer in aquiculture comprises steps as follows: microbiological preparation is produced; fermentation organics is then produced, and the micro-mineral amino acid chelate is produced, eventually the finished products are made. The special biological fish fertilizer has the advantages of limiting the growth and reproduction of the harmful algae, promoting the large-scale growth and reproduction of the suitable food for fish, effectively improving the water quality and purifying the water environment, strengthening the fish immunity, reducing the diseases, reducing cost due to the small use level, convenient use, mild odor, no pollution to the water, and environment protection. By combining the modern bioengineering technique, low-temperature drying technique, spray-drying technique, and super-fine crushing techniques, the preparation method has the advantages of stable quality for the fish fertilizers and lower overall cost.

A novel low cost separation process for separating lipid oil from an algal biomass for biofuel production is described herein. The process of the present invention comprises of two steps: (i) breaking the algae cells and (ii) separation of the lipid oils from the broken cells. The separated lipids are extracted by conventional techniques followed by conversion to a biofuel.

Compositions and methods for rapid and highly efficient characterization of genetic diversity in organisms are provided. The methods involve rapid sequencing and characterization of extrachromosomal DNA, particularly plasmids, to identify and isolate useful nucleotide sequences. The method targets plasmid DNA and avoids repeated cloning and sequencing of the host chromosome, thus allowing one to focus on the genetic, elements carrying maximum genetic diversity. The method involves generating a library of extrachromosomal DNA clones, sequencing a portion of the clones, comparing the sequences against a database of existing DNA sequences, using an algorithm to select said novel nucleotide sequence based on the presence or absence of said portion in a database, and identification of at least one novel nucleotide sequence. The DNA sequence can also be translated in all six frames and the resulting amino acid sequences can be compared against a database of protein sequences. The integrated approach provides a rapid and efficient method to identify and isolate useful genes. Organisms of particular interest include, but are not limited to bacteria, fungi, algae, and the like. Compositions comprise a mini-cosmid vector comprising a stuffer fragment and at least one cos site.

A method of improving the rheological properties of a flour dough and the quality of the finished product made from such a dough, including adding an effective amount of an oxido-reductase capable of oxidizing maltose, in particular a hexose oxidase, e.g. isolated from an algal species such as Iridophycus flaccidum, Chondrus crispus or Euthora cristata and a dough improving composition containing the oxidore-ductase.

The present invention relates to a combined interdependent fish and plant factory. An embodiment of the present invention includes a fish house connected to a greenhouse, a biofuel source, and a generator connected to the biofuel source and to at least one of the fish house and the greenhouse, where the generator is adapted to utilize biofuel as a fuel source and to provide electrical power to at least one of the fish house and the greenhouse. An embodiment can also include a waste heat recovery boiler or an algae reactor. Another embodiment includes a method for growing plants and farming fish in a combined interdependent fish and plant factory including a fish house connected to a greenhouse, including the steps of utilizing biofuel from a biofuel source to create electric power, and providing the electric power to at least one of the fish house and the greenhouse.

The present invention comprises methods and systems for treating biomass wastes to result in usable byproducts. Biomass is treated to remove debris, transferred to microbial digester units, such as anaerobic and aerobic digesters, and the resultant solids and liquids are provided to an algae production unit. Algae are harvested and beneficial byproducts are retained. Gases, heat and energy produced by energy conversion units are used in units of the system or provided to external sources. Water is cleaned and when separated from the algae and other solids in the algae harvesting unit may be provided to external sources, or may be used in other units of the system. The methods and systems disclosed herein provide for an efficient and substantially complete use of the components of the input biomass.

Polymeric compositions that include polyurethane polymers derived from a polyisocyanate compound and a polyactive hydrogen compound. The polyurethane compound is at least partially endcapped with a group including at least one antimicrobial quaternary ammonium compound. The polymeric composition of the present invention is capable of forming a self-supporting film. The polymeric compositions are suitable for coating substrates to effectively kill or prevent the growth of microorganisms such as bacteria, mold, mildew, algae fungi and the like. The polymeric compositions are particularly useful for protecting construction materials used in moist, outdoor environments to prevent discoloration or decay from microorganisms and for surfaces in health care facilities to mitigate the spread of pathogens.

An apparatus for producing algae circulates algae fluid through flexible reactor tubing that is at least partially translucent to sunlight. The reactor tubing lies flat when not pressurized. Preferably, the reactor tubing is made of clear polyethylene with UV inhibitors, the polyethylene being between 6 and 15 mil thick. The reactor tubing preferably has a substantially circular cross-section with a 6 inch diameter and is preferably 1250 feet long. Gas relief valves allow gases generated during algae production to escape from the reactor tubing. CO2 may be injected into the algae fluid to stimulate photosynthesis. A circulation pump propels the algae fluid through the reactor tubing, keeping the reactor tubing pressurized and stationary without touching the reactor tubing, so that a rigid support structure is not needed. One or more layers of plastic mulch may be disposed above or below the reactor tubing to control temperature and sunlight exposure.

The present invention is directed to a photobioreactor comprising: (a) a tank for containing a liquid microbial culture; (b) a rotating mixing system contained within the tank, the rotating mixing system comprising one or more motors, and one or more shafts connected to the one or more motors, and a plurality of mixing blades attached to the one or more shafts, wherein the mixing blades are capable of mixing the microbial culture throughout the volume of the tank; (c) a lighting system, comprising a light source located outside the tank; a light emitting device mounted on the blades; and a conduit that transfers light from the light source to the light emitting device, wherein the lighting system is capable of providing sufficient light for growth of the microbial culture throughout the volume of the tank. The rotating system may be replaced with an oscillating system, and either system can be mounted on a moveable raceway.

An IBTL system having a low GHG footprint for converting biomass to liquid fuels in which a biomass feed is converted to liquids by direct liquefaction and the liquids are upgraded to produce premium fuels. Biomass residues from the direct liquefaction, and optionally additional biomass is pyrolyzed to produce structured biochar, hydrogen for the liquefaction and upgrading, and CO2 for conversion to algae, including blue green algae (cyanobacteria) in a photobioreactor (PBR). Produced algae and diazotrophic microorganisms are used to produce a biofertilizer that also contains structured biochar. The structured biochar acts as a nucleation agent for the algae in the PBR, as a absorption agent to absorb inorganics from the biomass feed to direct liquefaction or from the liquids produced thereby, and as a water retention agent in the biofertilizer. The ratio of cyanobacteria to diazotrophic microorganisms in the biofertilizer can be selected to optimize the so as to achieve desired total chemically active carbon and nitrogen contents in the soil for a given crop.

A water purification system and method suitable for use in swimming pools, spas, hot tubs, water storage tanks, wells and water cooling towers employs a galvanic cell having a silver or copper or zinc anode electrically connected to a cathode made from a metal of still higher electrochemical potential, normally a platinum group metal and preferably palladium. A galvanic cell of some tens of square centimeters in size and some hundreds of grams in weight liberates sufficient silver or copper ions so as to treat a multi-thousand liter body of water, such as a swimming pool, for, typically under normal contamination, some months until the anode is consumed. Copper and / or silver ions liberated from the galvanic cell suppress bacterial, fungal and / or algae growth, thus, significantly reducing the amount of chlorine, bromine or other chemicals needed to maintain water quality. The invention operates on the current generated by the galvanic action between the dissimilar metals of the anode and cathode, and does not require external electrical power.

Low-pressure drip irrigation system, comprising a distribution pipe made of thin-walled sleeve collapsible when empty and designed to operate under hydraulic head up to 3 m H2O, having a plurality of holes in the walls thereof, a plurality of branch tubes equipped with low-pressure drip emitters; and a plurality of connectors connecting the branch tubes to the holes of the distribution pipe.The sleeve material is opaque and reflecting the solar radiation so that the natural growth of microorganisms and algae in the irrigation water is suppressed, and the pipe is not heated more than 35° C. above the ambient air temperature.The irrigation system is assembled in the field from components of a kit by deploying the distribution pipe, filling it with water, cutting the holes by means of a special band-held tool, inserting the connectors into the holes, and assembling the branch tubes with the connectors.

The present invention relates to a method of manipulating the physiological state of algae cultured in raceway ponds by altering one or more environmental parameter to simulate algal bloom forming conditions and to raceway ponds suitable for culturing algae according to the present invention. The alteration of the one or more environmental parameters in a specifically timed manner can be used to induce and maintain synchronous cell division.

The present disclosure describes use of filamentous algae to form insulating construction materials which provide thermal and noise insulation. Algae from the order Zygnematales, the Cladophorales, or the Ulotrichales can be dried and formed for use as insulating material. Algae mass can be combined into several layers, using a binder to attach the layers to each other. A composite material of algae mass and an additive can be used and form the body of insulation panels having honeycomb-shaped chambers, which are sealed by a foil that is laminated onto the body.Various plants for cultivating algae for use in construction material are disclosed. Plants utilizing gravity harvest comprise cultivation ponds located at a slope, wherein the ponds can be opened to allow algae and water to flow downhill through a collector grill. Plants utilizing net harvest, overflow harvest or rake harvest are described. Carbon dioxide injection concepts utilizing direct and indirect injection of carbon dioxide into algae cultivation ponds are disclosed. An algae harvesting machine is disclosed. Control concepts for controlling the growth of algae in an algae cultivation plant are described.

An apparatus for carrying out algae intensive-cultivation while conducting an environmental control most suitable for growth of algae in an artificial environment including dissolved gas, light, temperature, nutrient source and sanitary atmosphere; and a method of intensive cultivation therewith. There is provided an apparatus comprising water tank (1) for cultivating unialgae as seedling; gas dissolution diffusion units (3-a, 3-b) for achieving dissolution of a gas in a culture water of the water tank; light irradiation units (10, 11) for irradiating the water tank with light whose wavelength and illuminance are controlled; temperature control unit (20) for controlling the temperature of the culture water of the water tank so as to fall within a given range; nutrient salts adding unit (17) for adding to the water tank a nutrient liquid containing an essential nutrient source vital to the growth of algae; purification unit (12) for carrying out bacterial eradication and filtration of the culture water of the water tank; and meters for control of the above units.

The invention relates to a kind of microbic reagent curing breed aquatics water by multi-bacteria. It can degrade and transform organic contamination of water, prohibite the growth of harmful algae and pathogeny bacteria, and promote propagation of beneficial creature, forming good entironment for growth of aquatic animal. Environment select breed and abduction select breed are adopted in this invention, spontaneous aberration and directional breed are combined, fermentated technology of original compound breed and domestication are used to make many bacteria of improved water mixed and matched each other. What' s more, growth factor and special carrier are added for promoting the growth of microbe, guaranteeing the efficiency of improvement. This product can take the place of antibiotic in feed, producing organic farm products which are green, safe and antibiotic-free.

A method of producing hexose oxidase by recombinant DNA technology, recombinant hexose oxidase and the use of such enzyme, in particular in the manufacturing of food products such as doughs and dairy products, animal feed, pharmaceuticals, cosmetics, dental care products and in the manufacturing of lactones. Suitable sources of DNA coding for the enzyme are marine algal species including Chondrus crispus, Iridophycus flaccidum and Euthora cristata. In useful embodiments, the recombinant hexose oxidase is produced by Pichia pastoris, Saccharomyces cerevisiae or E. coli.

A food composition containing viable algae. The food composition includes primarily entrapped living algae cells capable of photosynthetic multiplication which increases the nutritional content of the food composition. Further disclosed is a food composition including primarily fibrous structures containing living algae cells capable of photosynthetic multiplication within the fibrous structures. Further disclosed are methods for producing the compositions, the methods including the steps of: (a) suspending live algae cells in a suitable medium; (b) placing the suspended live algae cells into a setting bath; and (c) incubating to form entrapped living algae cells. In some cases the method further includes the step of bubbling a gas through the setting bath.

The invention discloses a bionically textured material capable of preventing the algae attachment and a preparation method thereof. The bionically textured organic silicon modified acrylic polyurethane antifouling material is prepared by taking natural substances namely biological cuticle or leaves such as crab shell, lotus leaf, and the like as the template, and an organic silicon elastomer as the transition template. The obtained textured antifouling layer has a micrometer level protrusions or pits, wherein the protrusions or pits all have a nano structure, thus the water drop is not easy to wet the surface of the material, and fouling organisms cannot easily attach themselves to the surface of the material; at the same time, the contact surface between the fouling organisms and the bionically textured material is greatly reduced, the attachment sites are reduced, and thus attachment on the surface becomes more difficult for the fouling organisms. The natural antifouling characteristics of biological cuticle or leaves in nature are fully utilized, the characteristics of the microstructure on the surface is utilized to prevent fouling, pollution to the natural environment is not generated, and thus the material is a novel high efficient environment-friendly antifouling material.

The system for fermentation using algae of the present invention includes a first reactor and a second reactor being in fluid communication with each other. A first valve placed between the first reactor and the second reactor controls the fluid connection between the reactors. A gas inlet, in fluid connection to the first reactor, is located at an end opposite the second reactor. A devolatization unit or cell lysis chamber is connected to the second reactor by a second valve. A biomass stream having gas, liquid and biosolids contents passes through the first reactor with gas. The biomass stream mixes and dissolves the gas in the reactors. The cellular structure of the biomass stream ruptures in the devolatization unit, allowing the processed materials, such as oil, gas, and biosolids, to be harvested for use.

The invention provides a device for separating a first entity and a second entity by flowing them downwardly in an inclined settling chamber. Each entity has its own outlet located at approximately the lowest end of the inclined settling chamber. The device may be used in industrial fields such as pharmaceutics, biologics, and biofuels, for the purposes of large-scale growth and separation of algae biomass, bacteria and yeast cultures; algae metabolite production; and cell separation, among others. The invention exhibits technical merits such as effective particle separation or concentration capacity, robust structure, easy operation, cost-effective manufacturability, disposability, and high productivity in e.g. perfusion photobioreactor systems.

A vegetable alga and microbe photosynthetic reaction system and method for the same is used for vegetable algae and microbe cultivation liquid and algae seeds infused herein to circularly conduct photosynthesis and discharge oxygen; the vegetable alga and microbe photosynthetic reaction system comprises a photosynthetic reaction unit, a pressure liquid infusion unit, and an oxygen discharge and regulation unit; the photosynthetic reaction unit is a light permeable pipeline; the oxygen discharge and regulation unit is assembled with an oxygen discharge can, a liquid collection can, and a regulation can for facilitating production and assembly, and many oxygen discharge points so that oxygen formed in the cultivation liquid can be quickly evaporated.

The present invention discloses bio-based consumer products formulated with at least one algae-derived ingredient that is either directly obtained from algae colonies or derived through standard synthetic organic transformations starting from bioorganic substances of algae origin.

Time-release algae-resistant roofing granules have a base particle including an algaecide and an outer coating layer including another algaecide. The at least two algaecides are released over different predetermined periods. The outer layer protects the base particle from exposure to the environment for a predetermined period, then fails catastrophically so that the interior algaecide can be released.

The invention belongs to the field of aquaculture or feed, relates to a aquaculture feed, and especially relates to an alga immunopotentiation compound feed for litopenaeus vannamei. The invention at first provides an immunity strengthening agent for litopenaeus vannamei feed, and the agent is obtained through enzymatic hydrolysis and fermentation of an alga composite. The alga composite is composed of following components in parts by dried weight: 40 to 50 parts of asparagus, 15 to 25 parts of enteromorpha, 10 to 20 parts of ulva lactuca, 5 to 15 parts of laver and 5 to 15 parts of undaria pinnatifida. The invention further prepares a compound feed for litopenaeus vannamei by utilizing the immunity strengthening agent. The alga immunity strengthening agent contains algae polysaccharide, which has the effect of strengthening animal immunity, acrylic acid, terpenes, brominated phenolic and some sulfocompounds, which have the antiseptic effect, and sulphated polysaccharide, which has the antivirus effect. The litopenaeus vannameis fed on the alga immunopotentiation compound feed have a strong anti-stress performance, the body's immunity ability is improved, survival rate is high and culture benefit is remarkable.

A fast-growing plant planting, shaping, carbon sequestration and comprehensive utilizing method includes: (1) planting and / or culturing fast-growing woody, herbal, algae, lichen or moss plants in a chosen land area or water body area; (2) performing cutting, harvesting or gathering when the fast-growing woody, herbal, algae, lichen or moss plants grow to the height or dimension suitable for cutting, harvesting or gathering after a period of time; (3) drying the cut, harvested or gathered fast-growing woody, herbal, algae, lichen or moss plants; (4) processing and shaping the dried fast-growing woody, herbal, algae, lichen or moss plants; (5) transporting the dried and formed biomass to a storage place for storing; and (6) comprehensively utilizing the dried fast-growing woody, herbal, algae, lichen or moss plants.

The invention provides a method through utilization of fast-growing herbaceous plants, of fast-growing alga, or lichen or moss to achieve carbon sequestration. The method includes a first step of planting and / or cultivating the fast-growing herbaceous plants, the fast-growing alga, the lichen or the moss in a selected land area or in a water area, a second step of carrying out harvesting or collecting when the fast-growing herbaceous plants, the fast-growing alga, the lichen or the moss grows to the appropriate height or the appropriate size after a period of time, a third step of carrying out drying on the harvested or collected plants, preferably, carrying out natural drying such as sun drying or air drying to obtain the dry plants, the dry alga, the dry lichen or the dry moss, a fourth step of transporting the dry plants, the dry alga, the dry lichen or the dry moss to a landfill and carrying out landfill, a fifth step of covering a layer of common soil on the final filled plants after the landfill is completed, and a sixth step of recovering vegetations in the landfill.

The invention provides the disclosure of a novel plant / algae / cyanobacteria photosynthesis, biomass production, and productivity pathway involving low carbon dioxide inducible (LCI) proteins. According to the invention, the activity of one or more LCI proteins may be modulated to increase the same under conditions where such proteins are typically repressed. According to the invention, modulation of LCI protein activity was able to increase biomass production by as much as 80% under elevated CO2 conditions. The invention includes methods, and genetically modified plants / algae / cyanobacteria, cells, plant parts and tissues.