370 results about "Water organism" patented technology

The invention discloses a controlled-release carbon source material for repairing polluted underground water organisms and a preparation method thereof and belongs to the field of underground water repairing. The controlled-release carbon source material comprises a core and a shell wrapping the core, wherein the core comprises the following components in percentage by weight: 40 to 86 percent ofcarbon releasing raw material, 1 to 25 percent of nutritional raw material, 5 to 45 percent of plastic bonding raw material, 5 to 20 percent of high-permeability raw material and the balance of water; the shell comprises the following components in percentage by weight: 10 to 40 percent of carbon releasing raw material, 1 to 10 percent of nutritional raw material, 20 to 80 percent of plastic bonding raw material, 0 to 40 percent of high-permeability raw material and the balance of water; and the controlled-release carbon source material is prepared by a compound formula consisting of the carbon releasing raw materials, nutritional elements and multi-component inorganic combined raw materials. The controlled-release carbon source material meets a microbial nutrition demand and requirementsfor long-time stable material supply during underground water repairing, certain mechanism strength and uniform sphericity; furthermore, the defects of high carbon loss, uncontrollable releasing rateand the like in the conventional carbon source compensation method are overcome; and the continuity of the underground water organism repairing effect is realized.

The invention provides a method and system for producing aquatic specie for consumer consumption within a closed aquaculture system. It provides for growing algae in artificial saltwater under controlled conditions in an algae subsystem, feeding the algae to adult artemia for producing small artemia in an artemia subsystem, feeding the algae and small artemia to immature aquatic specie for producing adolescent aquatic specie in an aquatic specie nursery subsystem, and feeding the algae and small artemia to the adolescent aquatic specie to for producing adult aquatic specie in an aquatic specie growout subsystem, which are then harvested. The invention also includes a data acquisition and control subsystem for automated control of the aquaculture system. A unique filtration subsystem accepts waste from the aquatic specie subsystem, pumps the waste through a series of filters, and returns the filtered saltwater to the algae subsystem, the artemia subsystem and the aquatic specie subsystem.

The modular waste water treatment system receives waste water from a waste water source containing organic waste and produces a treated water effluent. The modular system includes bioreactors and a bioreactor support module. The bioreactors receive a waste water mixture from the bioreactor support module and produce treated water substantially free of organic waste. The bioreactor support module is a transportable unit fabricated upon a frame adapted for transport by a truck upon a public roadway. The bioreactor support module includes items of equipment needed for conditioning waste water for intake by the bioreactors, items of equipment for receiving, processing and discharging treated water from the bioreactors and may include other items of equipment for receiving and processing other byproducts from the bioreactors. The transportable bioreactor support module is sized to support the operation of between one and preferably as many as six bioractors. Accordingly, the modular waste water treatment system can be fabricated off site in a controlled shop environment, transported to a site, placed at a site and even later expanded to include additional bioreactors for increased capacity with a minimum of cost, time and effort.

The invention discloses a high-speed water-supply biological aerated filter (BAF) and a method of applying the filter to pre-purify micro-contaminated raw water. The high-speed water-supply biological aerated filter comprises two UBAFs which are symmetrically arranged on two sides of a water distributing channel which is arranged on the upper part of a pipe rack where pipes are arranged. The water distributing channel comprises a general water-feeding channel, a first distributing channel, a second distributing channel, a strainer frame and a fixing grid provided with strainers. The micro-contaminated raw water pre-purifying method is as follows: the raw water enters a water distributing zone on the lower part of the filters after distributed and filtered by strainers, and then the water is distributed by filter heads and flows through a pebble bearing layer and a double-layer ceramsite filtering-material of the filters from bottom to top. The same-direction steam and water and the adoption of the double-layer light water-supply ceramsite filtering-material can delay the acceleration lost by the filter heads and provide the essential hydraulic conditions for the high-speed filtering and the collective adoption of a blast aeration system. The invention has high hydraulic load, low manufacturing cost and energy-conserving capability, and can guarantee the efficiency of purifying organisms and ammonia nitrogen. The invention is suitable for the biological pre-purifying to the micro-contaminated water supply.

The invention provides a fish tank bottom filter filtering system. According to the scheme, overflow plates or overflow columns are not arranged, the water level of a fish tank can be freely adjusted, even if the fish tank is not managed by people for a long time, the phenomena that water circulation is suspended due to dropping of the water level of the fish tank, a water pump is burnt out, and water quality is deteriorated to cause dropping of aquatic life energy and death of aquatic lives can be avoided. In addition, according to the scheme, the water level of a bottom filter tank is stable, a protein separator and other cultivation equipment are convenient to manage, and a large number of workloads of feeders are reduced. Through a designed round gasket 19 and a designed annular gasket 20, the problem of the poor closing effect caused by aging and abrasion of gaskets can be well solved, in a power failure state, due to the fact that a water pump 10 can not convey water of the bottom filter tank 16 into a fish tank 1, the problems that the water level of the fish tank can drop and the water level of the bottom filter tank rises and then water overflows due to the poor closing effect are solved. A valve 17 can discharge water from a main water inlet pipe, water in the fish tank can be conveniently and quickly emptied in necessary, in addition, sand, residues, animal skeletons and other solid-state garbage deposited in the main water inlet pipe can be completely cleaned. A tapered piston 6, a perforated plate 7 and a floating ball 9 are combined to control a water switch of a pressure chamber water outlet pipe 26, and compared with a lever type float valve, the fish tank bottom filter filtering system is firmer and more durable. In addition, the perforated plate 7 can be conveniently demounted, then, solid-state matter accumulated inside the fish tank can be conveniently cleaned, and blockage can be avoided.

The invention discloses a device and a method for realizing synchronous anaerobic ammonia oxidation and denitrification anaerobic methane oxidation, and belongs to the technical field of sewage treatment. The device mainly comprises a membrane bio-film reactor, an inlet water tank, an automatic control system and an outlet water tank, wherein the membrane bio-film reactor is charged with methane and argon gas to keep the reactor in a strict anaerobic state. An independent cultivation method and a co-cultivation method are adopted in sequence for cultivating and taming symbiotic flora of Anammox and N-DAMO (Denitrificationdependent Anaerobic Methane Oxidation) bacteria, so that the synchronous anaerobic ammonia oxidation and denitrification anaerobic methane oxidation process is realized; or the N-DMAO is firstly cultivated independently, and then, the symbiotic flora of Anammox and N-DAMO bacteria are cultured and tamed, so that the synchronous anaerobic ammonia oxidation and denitrification anaerobic methane oxidation process is realized. The device and the method for realizing synchronous anaerobic ammonia oxidation and denitrification anaerobic methane oxidation disclosed by the invention can be used for realizing sewage biological denitrification by utilizing the synergistic effect of the Anammox and N-DAMO bacteria, and can be used for lowering the mission of greenhouse gases CH4 and N2O in a denitrification process.

The invention relates to a field of environmental biology, and discloses a laccase gene, an engineering bacteria of the laccase gene, and an application thereof in treatment of papermaking waste water by microbial hydrolysis. The laccase gene has a nucleotide sequence as shown in a SEQIDNO:2, and codes a protein having an amino acid sequence as shown in a SEQIDNO:1. According to the invention, the laccase gene optimized according to preferred codons of pichia yeast can be constitutively expressed in high efficiency in yeast, and an expression vitality of the laccase can be improved, thereby being of great significance for promoting the application of the laccase in biological treatment of the papermaking waste water.

The invention discloses biological sewage treatment equipment and a process of internal recycle suspension padding, which utilize an aeration generator to enable the suspension padding and the sewage to circularly flow in a reactor, and simultaneously an aerobic reaction area and an anoxia reaction area are formed in the reactor, thereby improving the growth and degradation capability of a biological film on the suspension padding, and having large volume loading and high process efficiency; and by the circularly flow of the sewage and the padding in the aerobic reaction area and the anoxia reaction area, the device and the method degrade or convert the organic matters, nitrogen and the like in the sewage fully, thereby achieving the aim of quickly purifying water quality. The integral structure of the device develops towards space longitudinally, has small occupied area, and simple and convenient mounting, and can be widely applied to the retexture of the sewage.

The invention belongs to a waste water treatment technology field and relates to a method for treating refractory waste water by adopting acoustic and magnetic coupling strengthening microorganism.Due to the auto-adding of magnetic power in a reactor, the adding of ultrasonic generator and the optimization of the condition parameter which controls physical energetic field, microorganism metabolism activity in the treating system is increased, mass transfer efficiency of the system is strengthened, mud is quickly granulated and superior microorganism is effectively withheld. The waste water organism treatment efficiency is improved.

The invention relates to the technical field of sewage treatment agents, and relates to an oil field water biological treatment agent as well as a preparation method and a use method thereof. The oil field water biological treatment agent is obtained according to the preparation method which comprises the following step: sufficiently mixing a required quantity of denitrification and nitrification bacteria solutions, nitrate, nitrite, biquaternary ammonium salt sludge strippers, oil field sewage, potassium permanganate, potassium dichromate and water to obtain the oil field water biological treatment agent. The oil field water biological treatment agent disclosed by the invention can sufficiently exert the richness and effectiveness of indigenous beneficial microorganisms by being prepared by adopting oil field sewage, comprehensively inhibit the activity and growth of sulphate reducing bacteria and control the generation of hydrogen sulfide by enabling the indigenous beneficial microorganisms to compete with the residual sulphate reducing bacteria by virtue of a higher advantage, fundamentally reduce the problem of secondary hydrogen sulfide caused by the sulphate reducing bacteria by inhibiting the growing environment of the sulphate reducing bacteria and changing the generation way of corrosion, prevent the factor of increasing oil field corrosion and inhibit the cost.

The invention belongs to the field of environmental microorganisms and in particular relates to separation and culture of an Acinetobacter johnsonii AJ-3 strain and application thereof in phosphorus removal in sewage and biological phosphorus removal in urban sewage treatment plants. The Acinetobacter johnsonii AJ-3 strain has a collection number of CCTCCM2014023, the collection place is China Center for Type Culture Collection, and the collection date is January, 16th 2014. The strain is an Acinetobacter johnsonii AJ-3 strain, is rapid in growth, high in adaptive capacity to environment and low in dissolved oxygen demands and can rapidly grow in a phosphorus-containing synthetic sewage liquid culture medium, the phosphorus is removed, the phosphorus removal efficiency is high and stable and reaches 55-60.1%, and secondary pollution is avoided. Therefore, the AJ-3 strain can be applied to phosphorus-containing sewage treatment, is an important microbial resource in a water organism phosphorus removal process and has wide application prospect.

The invention relates to the field of ecological breeding, and provides a bicarbonate saline-alkali soil pond circulation water ecological breeding system. The bicarbonate saline-alkali soil pond circulation water ecological breeding system comprises a breeding pond, an ecological slope protection and an ecological purifying pond, wherein the breeding pond comprises a fish breeding region and a shrimp breeding region; a precipitation canal is arranged on the side edge of the breeding pond; breeding tail water generated in the breeding pond is drained to the precipitation canal for precipitation, then the precipitated breeding tail water overflows in the ecological slope protection; the breeding tail water subjected to filtration and adsorption treatment of the ecological slope protection flows in the ecological purifying pond located on the slope bottom side of the ecological slope protection; and the breeding tail water after treatment by the ecological purifying pond is completed isintroduced into the breeding pond by a reflux pipeline for recycling. Besides, the invention provides the breeding method for performing ecological breeding by the ecological breeding system. The breeding system and the breeding method disclosed by the invention adopt a multi-nutrition level integrated breeding pattern and biologic and ecological purifying measures on saline-alkali soil pond breeding tail water, so that the quality safety of aquatic products can be guaranteed, and the comprehensive economic benefits of breeding can also be increased; and the breeding system and the breeding method have wide popularization prospects.

The invention discloses a course bamboo fiber sewage treatment filler and a preparation method thereof. The sewage treatment filler uses course bamboo fibers as base materials, and is a biological elastic or combined filler which is prepared by uniformly inserting and fixing the course bamboo fibers used as the base materials on a center rope or embedding the course bamboo fibers in a fixed tray surface, and the course bamboo fibers are vertically and uniformly arranged to form a radial structure. By adopting the sewage treatment filler to treat sewage, the starting time of a bioreactor is shortened by seven days compared with that of the bioreactor using a conventional organic elastic filler; and compared with the conventional organic elastic filler, the chemical oxygen demand and the average ammonia-nitrogen removal effect are obviously improved. Because of the difference of the flexibility of the course bamboo fibers, the course bamboo fibers are uniformly distributed and fully unfolded in the bioreactor after film hanging, agglomeration is avoided, the space is fully used, the probability for microbes to contact with sewage is enhanced, and the mass transfer function is enhanced.

The disclosure relates to a method and system for treating ballast water and ballast water treatment systems in order for treatment effects to be carried out, such as controlling the transportation of undesirable and invasive marine organisms. In particular, the disclosure relates to methods and systems for applying a superimposed time-varying frequency electromagnetic wave comprising both AC and DC components in a pulsating manner to ballast water within a ballast water treatment system.

Tubular section piece for providing and influencing a fluid (80, 81) for a container (100) for water organisms (120), comprising a fixed tubular element (10, 11, 12) and a moveably supported tubular element (20, 21), wherein the two tubular elements (10, 11, 12, 20, 21) are rotatable with respect to one another by means of a driving element (30), and a device for distributing fluid, comprising a tube section piece (1) according to the invention.

The invention discloses a method for controlling and reducing the output of sludge in a biological wastewater treatment system through adding a bacterial agent. The bacterial agent is characterized by high removal efficiency of organic matters and low self growth coefficient. The bacterial agent is directly or indirectly added in a biological wastewater treatment reactor; the addition amount is 5 to 20 percent; and the reduction amount of the sludge can achieve 10 to 30 percent. Compared with the traditional physicochemical method, the sludge reduction method has the advantages of simple operation, low cost, safety and environmental protection, quick curative effect, less influence on the prior system function, etc.

The invention discloses biological treatment system and biological treatment method of phenolic wastewater, and belongs to the field of wastewater treatment. The treatment system comprises a regulating tank, a biochemical pretreatment tank, an anoxic tank, an aerobic tank and a secondary sedimentation tank, wherein a stirring device is arranged in the anoxic tank; an aerator is arranged in the aerobic tank; the aerator is connected with an external air compressor; a water inlet and a water outlet are formed on the regulating tank; the water outlet of the regulating tank is connected with a water inlet of the biochemical pretreatment tank; a water outlet of the biochemical pretreatment tank is connected with the anoxic tank, the aerobic tank and the secondary sedimentation tank in sequence; a mud outlet and a treating water outlet are formed on the secondary sedimentation tank; the mud outlet of the secondary sedimentation tank is connected with the anoxic tank and in the aerobic tank through a mud recirculation pipe and a mud recirculation pump. The invention has the advantages of simple structure, capability of improving the stability and the treatment efficiency of the biochemical system, lower treatment cost, and remarkable economical benefit and practical value.