37932 results about "Sewage treatment" patented technology

A configurable robotic apparatus and system is disclosed that is remotely operable in difficult, hazardous, subterranean, or submerged environs. The apparatus merges diverse disciplines to effect inspecting, cleaning, treating, repairing or otherwise maintaining a wide variety of materials and conditions. Deployment environments include power, municipal water and wastewater plants, surface and submerged infrastructures (pipes, lines, conduits), and like industrial applications. Extensible and articulating modules, configurable through standardized and interchangeable connectors, provide unique flexibility, scalability and versatility to accommodate a wide range of shapes, surfaces, and obstacles. In-module intelligence and instrumentation eliminates the need for constant manual control through autonomous operation capable of simultaneous optimization and synchronization of multiple work processes, but manual override and remote control is provided to overcome unanticipated limitations. Benefits include improved efficiency, cost, and safety over prior art. High-performance, one-pass operation reduces facility downtime while incorporating environmentally responsible debris recovery.

The invention discloses an extensive wastewater treatment capture agent. The capture agent is prepared from an organic coagulant, an inorganic coagulant, a coagulant aid, a binder and a modifier. The colloid charge balance in sewage is broken by ionization of the capture agent in water, and pollutants are subjected to physical and chemical adsorption and subjected to consolidation settlement, so as to achieve the target of reducing chemical oxygen demand (COD), biochemical oxygen demand (BOD) and storativity (SS). The extensive wastewater treatment capture agent is simple in application process, quick to take effect, wide in adaptability and broad in market prospect.

A long-range radio frequency (RF) transceiver-controller module configured to transmit and receive RF signals in one or more of the 433, 868, 915 MHz, and 2.4 and 5.8 GHz Industrial, Scientific and Medical (ISM) frequency bands is provided that is capable of consistently transmitting such signals over a range of 100 meters or more without line of sight, including underground. A wireless control system that comprises a plurality of the long-range RF transceiver-controller modules arranged in a distributed, ad hoc networking topography is also provided. The wireless control system has utility in a wide range of medical, industrial, agricultural, military and commercial applications, including, for example, the management of irrigation systems, manufacturing processes, security systems, sewage treatment and handling systems, hospital management systems.

The invention discloses a method for treatment and in-situ ecological restoration of a black and stink riverway by using microorganism. The invention is characterized in that target strains with pertinence are selected from sewage and then matched and combined with the existing strains to form compound microbial agents; and the sewage in the riverway is treated by using the matched compound microbial agents. In the invention, according to the specific pollution conditions of the riverway, the selected strains which are grown in the sewage are used to treat the sewage in the riverway, and the strains are matched and combined with the existing strains aiming at the pollution conditions of the water body in the riverway, so that the strains can exert synergistic effects in a microorganism sewage treatment system, thereby rapidly forming superior floras so as to decompose, absorb and transfer pollutants in the riverway and then achieving the optimum treatment efficiency. In the invention, the microorganism is firstly used to treat the water body, and then the water body is treated through the self-cleaning capability of the water body, thereby reaching the purpose of curing the exterior and the inherence and not generating secondary pollution. The method has the characteristics of safety, high efficiency, low cost, small investment and the like, and is simple to operate.

Animal waste such as fecal material from swine, chicken, turkey, and cattle is converted into useful forms such as fertilizer, other types of soil builders, and even nutrient feed additives. Devices, systems, and methods are provided that allow economical conversion and in many instances, alleviate the production and release of undesirable gases such as sulfide and ammonia. In one embodiment, undesirable anaerobic and facultative anaerobic bacteria are killed at a greater rate than desirable soil compatible aerobic bacteria. The use of low temperature killing diminishes off gassing commonly associated with other techniques, and the use of gas trapping additives such as zeolites provides enhanced soil building qualities such as slow release of nitrogen and slow release of moisture to soil. The methods allow convenient adjustment of composition, allowing conversion of waste into tailored designer fertilizer suited for particular soils. Other embodiments provide other soil building qualities as well as nutrient qualities for feedstock used in animal husbandry such as aquaculture.

The invention discloses integrated equipment for omnibearing treatment of kitchen garbage and a production method of products. The equipment comprises a central intelligent automatic control system, an air treatment system, a straw biochemical system, an advanced oxidization artificial forced inactivation system, a combined screening and impurity removal system, a compound biochemical system, an automatic drying system, a combined conveying system, a waste plastic reversion engineering system, a sludge treatment system, a sewage treatment system, an oil treatment system and a hot smoke combined treatment system. Produced finished products comprise high-nutrition microbial protein feed, mineral state III diesel, biodiesel, emulsification diesel, low-sulfur clean fire coal, hybrid charge adsorbents and industrial recycle water. A recycling rate of the kitchen garbage reaches above 95%; basically no waste water is discharged, no sludge is transferred, no room temperature discharge exists, no peculiar smell or smoke is discharged and no residue is transferred during production; and the environment-friendly, safe and reliable highly-integrated production equipment and the production method are provided for the treatment of the kitchen garbage.

The invention belongs to the technical field of water resource processing, and in particular relates to a technology and a device for processing sewage from synchronous electricity generation and desalting, which comprises an anode chamber, an anion exchange membrane, a middle desalting chamber, a cation exchange membrane and a cathode chamber. An electric generation microorganism membrane is arranged on an anode. Sewage flows into the anode chamber and is removed by oxidization under the action of electric generation microorganisms, and electrons are conducted to the anode. Anions in the middle desalting chamber penetrate the anion exchange membrane to reach the anode, and cations penetrate the cation exchange membrane to reach the cathode to realize the desalting processing and form internal currents. The electrons reach the cathode by external circuit loading to generate reduction reaction to realize the electricity generation process. The internal currents of the microorganism fuel battery are used for sewage processing, electric generation and desalting. The technology of the invention is simple and easy to operate and has low energy consumption and high efficiency. The device is simple in structure and is convenient for industrial production and utilization.

The invention provides a specialized organic / inorganic composite biological medicine fertilizer for watermelon, and a preparation method thereof. The weight parts of composition raw materials are as follows: 50-70 parts of sludge produced by sewage treatment, 20-30 parts of tree ash, 30-40 parts of watermelon vines, 20-30 parts of cow manure, 15-20 parts of bagasse, 5-7 parts of fishbone dust, 8-10 parts of oil cakes, 10-15 parts of the tree ash, 10-15 parts of phosphorus slag, 8-10 parts of poultry feather, 8-10 parts of monoammonium phosphate, 10-12 parts of triple superphosphate, 12-15 parts of potassium chloride, 2-4 parts of carboxymethyl chitosan, 20-30 parts of modified bentonite, 10-12 parts of decomposed coal, 2-4 parts of seven leaf clover, 9-11 parts of angled bittersweet, 8-10 parts of capillary artemisia, 5-7 parts of fructus cnidii, 6-8 parts of fructus quisqualis, 3-5 parts of wormwood, 3-5 parts of litsea cubeba, 8-10 parts of daturae flower powder, 3-5 parts of paraffin, 1-1.25 parts of zinc sulfate, 2-3 parts of ferrous sulfate, 0.8-1.2 parts of borax, 10-12 parts of potassium fulvic acid, 3-4 parts of chili oil and 0.2-0.5 part of EM strains. A green organic fertilizer is obtained by mixing a plurality of organic wastes and fermenting the mixture, thereby reducing environment pollutions. The specialized organic / inorganic composite biological medicine fertilizer for the watermelon has the advantages of comprehensive nutrition and enhanced sterilizing effects by mixing the fermented organic materials and inorganic fertilizer and adding medicine juice of the Chinese herbal medicine having insectidical functions. With the application of the fertilizer, watermelon quality can be effectively increased; and the watermelon has green leaves, bright flower, prolonged flowering period and increased output.

The invention discloses a super-hydrophilic and underwater super-oleophobic oil-water separation mesh membrane, and its preparation method. The method comprises the following steps: 1, cleaning a copper mesh, and airing; 2, dissolving an alkaline medium and an oxidant in water, and uniformly stirring to obtain a mixed solution; and 3, dipping the aired copper mesh in the mixed solution, and carrying out an oxidation reaction to obtain the oil-water separation mesh membrane. The oil-water separation mesh membrane has the advantages of easily available raw material, low cost, simple equipment and making technology, realization of large-scale preparation, large water flux, fast water-water separation speed, good oil-water separation effect, suitableness for the treatment of sewage containing a large amount of water, very good separation effect on n-hexane, petroleum ether, dichloroethane, benzene, gasoline, diesel oil, kerosene, machine oil, crude oil, animal and plant oil, and the like, easy cleaning, repeatable use, and good stability.

The invention discloses a waste water treatment technology for livestock breeding. The waste water treatment technology comprises the following steps: 1) pretreating the waste water; 2) biochemically treating the waste water; 3) posttreating the waste water, wherein the pretreatment of the waste water mainly comprises a grating well, a pH regulating tank, a regulating tank, floatation equipment and a middle water tank; the waste water biochemical treatment mainly comprises an anaerobic tank, an anoxia and aerobic tank, an aerobic tank, a secondary sedimentation tank, and a contact aeration tank; the waste water posttreatment mainly comprises a coagulating sedimentation tank, a fiber filter disc and a disinfection drain tank. The waste water treatment technology can efficiently and conveniently perform purification treatment on the waste water, effectively reduce the manufacturing cost for the waste water purification treatment industry, and increase the production efficiency through the reasonable wastewater treatment process procedure arrangement.

The invention discloses a sewage-disposal soft measurement method on the basis of an integrated neural network, and belongs to the field of sewage disposal. A sewage disposal process is high in nonlinearity, time-varying characteristics and complexity, and measurement for key water quality indexes is crucially significant in control of water pollution. In order to improve precision of simultaneous soft measurement for various key water quality parameters in a sewage-disposal soft measurement process by the sewage-disposal soft measurement method, an integrated neural network model is provided for measuring COD (chemical oxygen demand) of outlet water, BOD (biochemical oxygen demand) of the outlet water and TN (total nitrogen) of the outlet water, coupling relation between the three key water quality parameters is sufficiently utilized in the model, the integrated neural network model contains three feedforward neural sub-networks, and the various neural sub-networks are trained by particle swarm optimization, so that the optimal structure of each neural sub-network can be obtained. The COD of the outlet water, the BOD of the outlet water and the TN of the outlet water are predicted by the trained neural network finally, and prediction results are accurate.