62 results about "Cladophora" patented technology

The present invention provides unique technology, systems and methods of cultivating different types of seaweeds, including, but not limited to, Porphyra (Nori), Laminaria, Undaria, Eucheuma, Gracillaria, Ulva, Sargassum, Codium, Cladophora, Ascophyllum, Palmaria, Furcellaria, Fucus or Enteromorpha, in land-based seawater ponds having a climatically suitable and nutrient controlled environment. These land-based ponds may be built in any part of the world with structural engineering and architectural modifications. The land based units for cultivation of seaweeds comprise phycological laboratory facilities, U-shaped sleeves, to allow the maturation of the sporelings; growth tanks, U-shaped cultivation tanks, a plurality of small inoculation tanks aerated with air, and a harvesting unit.

The present invention relates to a method of cooperative control of alga in a water body comprising silver carp, bighead carp and cladophora, which relates to a water treatment method and solves the problem of high operating cost and much of the by-products of the current alga control method. In the present invention silver carp and bighead carp are cultured in eutrophication water body with a culturing density of 60~100 g/m<3>, a culturing ratio of 3:1~4:1 and a single weight of 60~200 g; a floating net cage is arranged in the eutrophication water body, which is an open net cage made from stainless wire net having an aperture of 4~6 mm and has a length*width*height size of 1~2m*1~2m*1~2m, besides, the four corners of the upper bottom of the floating net cage are provided with floater, by which the side walls of the floating net cage can overtop the water level by 0.2~0.4 m. The present invention is simple and easy, and can reduce the alga content and the trophic level in raw water of water plant effectively so as to solve the problem of that the eutrophication high algae-laden raw water affects the conventional treatment in current water plant, to reduce the cost and improve the water quality.

The present invention provides unique technology, systems and methods of cultivating different types of seaweeds, including, but not limited to, Porphyra (Nori), Laminaria, Undaria, Eucheuma, Gracillaria, Ulva, Sargassum, Codium, Cladophora, Ascophyllum, Palmaria, Furcellaria, Fucus or Enteromorpha, in land-based seawater ponds having a climatically suitable and nutrient controlled environment. These land-based ponds may be built in any part of the world with structural engineering and architectural modifications. The invention provides methods of designing different stages of growth, and defining the special conditions to optimize each of the different stages in controlled environments. The technology includes techniques of enriching the seaweeds with desired nutrients and ingredients for the production of high quality products that are free of marine pollutants, in addition to generating maximum yields under optimum, clean, temperature controlled and stable environmental conditions.

A process for manufacturing fire resistant materials comprising the steps of recovering an alga having a mineral component wherein said alga is selected form the group consisting of Chara algae and Cladophora algae; mixing said algae with water to form an aqueous mixture; mixing a chlorine based solution to the mixture to kill the algae and any bacteria and to form an algae-based product; separating the algae-based product from the aqueous mixture; and recovering the algae-based product from the surface of the mixture.

The invention provides an extracting and purifying method of phycocyanin in hair-like seaweed. The hair-like seaweed serving as the raw material is comprehensively treated by a phosphate buffer solution of 0.02-0.2 M and pectinase of 10-100 U/g so that phycocyanin can effuse out of cladophora cells; centrifuging is conducted to obtain a crude extraction solution, and clear liquid passes through an activated carbon column with activated carbon mesh number of 20-100 mesh and is collected; the clear liquid is subjected to salting-in and salting-out in a graded mode through ammonium sulfate of 20-70%, supernate is collected when the saturation degree is 20-35%, precipitates are collected when the saturation degree is 55-70%, and electrodialysis desalination is conducted; crude protein fluid obtained after desalination is treated by a weakly basic anion resin upper column and eluted by a phosphate buffer solution of 0.02-0.2 M in a gradient mode to collect a phycocyanin solution; a high-purity phycocyanin solution is obtained after concentration is conducted through an ultrafiltration membrane.

The invention discloses a method for removing floating cladophora. The method comprises the following steps: (1) area selection is carried out, wherein an area with vigorously growing and mass floating cladophora is selected; (2) an algicide I is prepared, wherein hydrogen peroxide is diluted with distilled water; (3) an algicide II is prepared, wherein a ferrous sulfate solution is prepared with distilled water; (4) a sedimentation agent is prepared, wherein clay and bentonite are prepared into the sedimentation agent; (5) the doses and spraying conditions for the algicides I and II are that the prepared algicides I and II are sprayed on the surface of cladophora in the selected area; (6) the sedimentation agent is added, wherein after cladophora is treated with the algicides I and II, the sedimentation agent is uniformly spread in water according to the area of the experiment area; cladophora sinks to the water bed; after standing, the water is clarified, and no cladophora floats on the surface. The method is simple; operation is convenient; cost is low; and no secondary pollution is caused. The method has a significant removal effect against cladophora, and has an amelioration effect upon high-organic substrate.

The invention provides a method for removing benzene homologues from industrial waste water, which comprising 1) choosing fresh, green and well-grown cladophora to attach to meshed carriers which are laying in tap water for domesticated incubation for 1-2 days and 2) placing the domesticated meshed carriers carried with cladophora on water surface of the industrial waste water with depth of 20-40cm and treatment time of 2-6 hours. The domesticating and treat conditions comprises light intensity of 2500-3500lx, moistness of 35-50%RH, temperature of 15DEG C-25DEG C and light-dark cycle ratio of 12:12. Benzene and toluene in the sewage are treated by employing the cladophora with one-time removal rate reaching 62.7-78.6%, and the invention is simple in operation devices, low investment and favorable for promotion and application.

This invention discloses a joint control algae method of Cladophora and transparent algae involving a water disposal method, which comprises the following steps: preparing open to ambient air net cage with rustless steel silk net of bore diameter at 3-8mm in preformed precipitate pool of water supply works; fixing nylon twine net of cross-paralleling and verticalling with bottom of net cage on the top of net cage; setting bore diameter of nylon twine net at 1-2cm; constructing floating net cage with fixed float of quadrangle of the top of net cage; making side wall of floating net cage exceed waterborne at 0.2-0.4m; residing 3-4 weeks in the water body; growing up Cladophora on the nylon twine net; making transparent algae natural grow in the floating net cage; or leading into floating net cage from the outside; setting density of transparent algae at 10-40 /L; picking Cladophora when Cladophora breed 1-2 weeks on the nylon twine net.

The invention discloses a synergetic control-algae method of silver carp, variegated carp, Cladophora and transparent algae involving water disposal method, which comprises the following steps: raising silver carp and variegated carp in eutrophication water body; constructing floating net cage; attached growing Cladophora on the nylon twine web of floating net cage; placing transparent algae in floating net cage. This invention resolve the water quality deteriorate problem because overgrowth of algae. The average clearance of phosphoric is at 70-73% with algae at 73.5-75.5%, oligon at 67.5-70.5%.

The invention relates to a cladophora comprehensive development and utilization technology, and relates to a comprehensive development and utilization technology for producing bioethanol and high-protein feed by cladophora while reducing discharge of 'three waste'. After harvesting, cladophora is dried, crushed, and treated by acid or base; a proper amount of nutritional salts are added in the treatment fluid, which can directly used for yeast culture to gain feed yeast with high protein content; A proper amount of cellulase is added into residues obtained after treatment; yeast or mould is inoculated to obtain feed with high protein content; or the residues obtained after treatment is subjected to enzymolysis by adding cellulose; the enzymolysis liquid can be used for ethanol fermentation; residues obtained after enzymolysis is added with a proper amount of wheat bran; and mould or yeast is inoculated to obtain feed with high protein content. The technology of the invention is simple in required equipment, safe in operation, high in utilization rate of the raw material of cladophora, and low in 'three waste' pollution.

A process for manufacturing fire resistant materials comprising the steps of recovering Cladophora algae; mixing said algae with water to form an aqueous mixture; mixing a chlorine based solution to the mixture to kill the algae and any bacteria and to form an algae-based product; allowing the algae-based product to separate and rise to the surface of the aqueous mixture; skimming the algae-based product from the surface of the mixture; drying said recovered algae-based product; and recovering the dried algae-based product.

A fine spherical particle formed of diamond as a core and having carbon nano-materials radially grown therefrom is disclosed, which exhibits the appearance of a Marimo (Cladophora sauteri) particle. Fine diamond catalytic particles 2 whose surfaces are oxidized and treated to carry a transition metal catalyst are floated and stirred in a gas phase of hydrocarbon while being heated at a selected temperature to bring about a catalytic reaction which synthesizes carbon nano-materials and to grow them on the surface of said oxidized fine diamond particle. Nano fibers or filaments 32 of a nano size are grown from the fine diamond catalytic particle 31 as a core to form cladophora-form carbon. The carbon nano-materials if the supported transition metal is Ni or Co become carbon nano-tubes and if it is Pd become coin stacked carbon nano-graphite.

The invention discloses a method for preventing and treating cladophora, and belongs to the technical field of harmful algae control in water environment protection. The method comprises: selection ofa treatment water area: determining the volume of a treatment water area; preparation of an algicide: mixing a certain mass of zinc sulfate and a small amount of water; mixed preparation of a settling agent and the algicide: adding a settling agent into the prepared zinc sulfate mixed solution according to a certain ratio; and throwing settling: manually throwing into the water body, and settlingthe zinc sulfate to the surface of cladophora in the water body under action of the gravity of the settling agent. According to the invention, the method has advantages of simple and rapid cladophoraprevention and treatment, significant effect, low cost and safety to water and aquatic animals and plants.

The invention discloses a treating agent for aquaculture sewage. The treating agent for the aquaculture sewage is prepared from the following components in parts by weight: 100 to 200 parts of diatom ooze, 50 to 90 parts of activated carbon, 10 to 30 parts of cladophora, 3 to 7 parts of sodium silicate, 50 to 80 parts of cobblestone, 1 to 17 parts of microbial inoculum, 0.2 to 0.8 part of polyethyleneimine and 0.1 to 1.1 parts of ammonium hydrogen carbonate. The front-effect treatment effect, on sewage, of the treating agent for the aquaculture sewage, which is provided by the invention, is excellent; a hazardous substance, an impurity, a metabolite, an eutrophic substance and the like in water can be effectively removed; further, the treating agent for the aquaculture sewage, which is provided by the invention, is low in cost, is simple and concise to use, and is suitable to popularize to broad masses.

The invention discloses an ecological culturing method of young octopus variabilis. The ecological culturing method comprises the following steps of 1, putting a net cage into an indoor cement pool, putting cladophora into the net cage and uniformly spreading the cladophora; 2, putting large corophium into the net cage and uniformly spreading the large corophium; 3, putting the hatched young octopus variabilis into the net cage to be cultured; 4, after culturing for a certain period of time, putting eogammarus possjeticus into the net cage and uniformly spreading the eogammarus possjeticus; 5,transferring the successfully cultured young octopus variabilis into a new breeding pool. Selection of feed and shelters has the advantages that the materials are convenient to take, and the cost islow; meanwhile, a habitat which has sufficient nutrients and energetic feed and is environmentally friendly and close to a natural environment can be provided for culturing the young octopus variabilis, after 30-40 days of raising, the cultured young octopus variabilis can reach the survival rate of 90% or above, and the average body length and the fresh weight can reach 1 cm and 1 g respectively.

The present invention relates to a method of cooperative control of alga in a water body comprising grass carp, cladophora and daphnia hyaline, which relates to a water treatment method and solves the problem of high operating cost and much of the by-products of the current alga control method. In the present invention grass carp is cultured in eutrophication water body with a culturing density of 20~100 g/m<3> and a single weight of 20~100 g; a floating net cage is arranged in the eutrophication water body, which is an open net cage made from stainless wire net having an aperture of 4~6 mm, besides, the four corners of the upper bottom of the floating net cage are provided with floater, by which the side walls of the floating net cage can overtop the water level by 0.2~0.4 m. The present invention is simple and easy, and can reduce the alga content and the trophic level in raw water of water plant effectively so as to solve the problem of that the eutrophication high algae-laden raw water affects the conventional treatment in current water plant, to reduce the cost and improve the water quality. The present invention make the best of the food habit difference between grass carp and daphnia hyaline, and comparing with the prior art, the present invention is simple and easy, economy and shortcut, and has high efficiency and convenient operation.

The invention discloses a method for rapid treatment of water bodies with cadmium and copper pollution by using algae waste residues. The method comprises the following five steps: selection of algae waste residues, treatment of algae waste residues, application of catalyzing enzymes, treatment of water bodies with cadmium and copper pollution, and recovery and utilization of heavy metal elements. The method concretely comprises the following steps: industrial waste residues of Laminaria brown algae, Pseudomonas and blue-green algae and Cladophora are selected; the algae waste residues are chopped by a mechanical mode, and are fixed in sponge bags, sepiolite or silica gel nets; carboxyl transferase, sulfate transferase and transaminase are applied; ion exchanges are carried out between function groups on the surface of algae necron and heavy metal ions in the effects of transferase for rapid adsorption of heavy metal ions; algae necron which completes adsorption and is fixed in a porous container is taken out from a water surface, and extraction and reutilization of heavy metal elements are carried out. The method has the advantages of low cost, high efficiency, good effects, recovery and utilization of cadmium and copper elements without any extra pollution, and simple realization.

The present invention relates to a method of cooperative control of alga in a water body comprising silver carp and cladophora, which relates to a water treatment method and solves the problem of that the usage of chemical agent for removing alga is harmful to human health, the usage of microstrainer and the flotation removal of algae have high cost, the ozone, ultraviolet or laser treatment for removing alga has a limited scale, and the common waaterrthacinth for removing alga causes ecological damage. In the present invention, silver carp is cultured in eutrophication water body with a culturing density of 60~100 g/m<3> and a single weight of 60~200 g; a floating net cage is arranged in the eutrophication water body, which is an open net cage made from stainless wire net having an aperture of 3~7 mm, wherein nylon wire nets having an aperture of 1.2~1.8 cm is arranged inside of the net cage which are parallel with each other and are vertical with the bottom of the net cage, besides, the four corners of the upper bottom of the floating net cage are provided with floater, by which the side walls of the floating net cage can overtop the water level by 0.2~0.5 m; the distance between the adjacent two net cages is 10~15 times of the length or width of the net cage; if cladophora grows on the nylon wire, the cladophora is collected. The present invention can reduce the alga content and the trophic level in raw water of water plant effectively and can greatly improve the water quality.

The invention discloses an aquaculture sewage treatment agent and an application method thereof, and belongs to the technical field of sewage treatment. The aquaculture sewage treatment agent is prepared from the following components: diatom mud, activated carbon, cladophora, sodium silicate, pebbles, polyethyleneimine, ammonium hydrogencarbonate, methanol, azone, bacterial extracellular enzyme, amicrobial agent, cetyltrimethylammonium bromide and polyethylene glycol. According to the invention, a reinforcing system composed of the microbial agent, cetyltrimethylammonium bromide and polyethylene glycol is used to improve the removal rate of suspended solids (SS) and chemical oxygen demand (COD) in sewage treatment.