194results about "Water treatment fluid flow conditions" patented technology

An ultraviolet reactor for treating a fluid. The reactor includes a vessel having an inlet for receiving fluid and an outlet for discharging fluid. The reactor further includes an ultraviolet light source and baffle plates. The baffle plates include holes arranged in a predetermined pattern for providing plug flow in areas in the reactor near the ultraviolet light source.

A water purification apparatus comprising at least: (a) one or more water purification components to provide a purified water stream, preferably having a conductivity of less than 1 μS/cm; and (b) a stepper motor (35) to control the dispense of the purified water stream (28) from the water purification apparatus. Stepper motors can provide very fine and accurate control of the dispense of the purified water stream from the water purification apparatus, which control is unaffected by the flow or flow rate of the purified water stream.

Improved fluid sanitization assemblies are provided. More particularly, the present disclosure provides improved fluid/water sanitization assemblies utilizing UV light and/or ozone. The UV light and/or ozone can be generated via light emitting diodes (“LEDs”) (e.g., via UV LEDs). In certain embodiments, by emitting light at a wavelength of about 250 nm to about 270 nm (e.g., 253.7 nm), the fluid sanitization assemblies thereby disinfect and/or sanitize fluid/water. The present disclosure provides for a fluid sanitization assembly including a pressure vessel configured and dimensioned to house fluid; a plurality of light emitting diodes (“LEDs”) mounted with respect to the pressure vessel, each LED mounted with respect to the pressure vessel via an optic member; wherein each optic member is configured and dimensioned to focus and direct UV light emitted from its associated LED to the fluid within the pressure vessel for sanitization purposes.

The invention discloses a wastewater treatment catalytic ozonation reactor for a fluidized bed. The wastewater treatment catalytic ozonation reactor for the fluidized bed comprises a reactor housing, wherein an external cylinder is arranged in the housing, an internal cylinder is arranged in the external cylinder, the top part of the internal cylinder is lower than that of the external cylinder, the bottom of the internal cylinder is lower than that of the external cylinder; a baffling channel is formed between the bottom of the external cylinder and the inner wall of the housing, a refluxing channel is formed between the bottom of the internal cylinder and the inner wall of the external cylinder. According to the wastewater treatment catalytic ozonation reactor for the fluidized bed disclosed by the invention, a catalytic reaction region, a diversion region and a precipitation region can be arranged in the same reactor so as to realize integration without needing additional catalyst separation and back conveying equipment. The invention also discloses a wastewater treatment method with application of the wastewater treatment catalytic ozonation reactor. According to the wastewater treatment method disclosed by the invention, by virtue of wastewater refluxing, residual soluble ozone in wastewater is fully utilized, and the ozone utilization ratio and the wastewater treatment depth are greatly increased.

The invention discloses a microporous overcurrent ozone catalytic ceramic membrane for waste water deep treatment as well as a preparation method and an application method thereof and belongs to the technical field of catalysts for waste water deep treatment. The catalytic ceramic membrane disclosed by the invention is prepared by the following steps: mixing pre-roasted and ground 400-600-mesh Al2O3 power with a catalytic component solution of dysprosium nitrate, molybdenum nitrate and manganous nitrate; and by taking hydroxypropyl methyl cellulose, polyethylene glycol and an aqueous solution of dysprosium nitrate, molybdenum nitrate and manganous nitrate as a forming assistant, pasting, mixing, extruding and forming, drying and vacuum-sintering the mixture to obtain the microporous overcurrent ozone catalytic ceramic membrane. The microporous overcurrent ozone catalytic ceramic membrane prepared by the invention creatively couples a microporous overcurrent with a catalytic ozonation technology, so that waste water passes through micron order ducts of the ceramic membrane at a relatively high flow rate by means of an external pressure different action, and therefore, the mass transfer efficiency of ozone and organic matter pollutants and the surface of the catalyst is effectively accelerated and meanwhile, the micron order ducts developing in the catalyst hugely increase the effective catalytic area of a catalytic module in a unit volume.

An electrocoagulation device for removal of contaminants from a treatment stream including an elongated fluid treatment path in contact with a plurality of electrode plates, and a power supply electrically connected to the plates, wherein the device is configured so that it can provide a variety of electric field regimes to the treatment stream as it passes along the treatment path, and so that it can provide a variety of flow regimes along the fluid treatment path.

An apparatus for use in the treatment of contaminated fluid is provided. The apparatus includes a body portion, made from a mixture of a waste adsorbent material and a binder material, for use in the removal of contaminants. The adsorbent material may be a nanosorbent material manufactured from self-assembled monolayers on mesoporous supports (SAMMS). The binder material, on the other hand, may include any thermoplastic material capable of binding the adsorbent material together to subsequently provide a composite material that can be shaped into a block. A method for treatment of contaminated fluid is also provided.

The invention relates to a biological membrane fluidized bed wastewater treatment method and belongs to the field of environmental engineering. The method comprises the following steps: adopting natural paper pulp fibers with good biocompatibility as fluidized bed carrier fillers and adopting a three-chamber composite biological membrane fluidized bed as a fluidized bed reactor. The method has the beneficial effects that the power consumption can be greatly reduced; meanwhile, as a plurality of fine fibers and micro pores are formed in the cellulose fibers, the growth and the adhesion of microorganisms are facilitated; and under the bridging and collecting action of the fine fibers, the problem existing in a conventional filler that microorganisms are easy to fall off is solved to a great degree. The method has good application prospect.

A water treatment device and method for treating a quantity of water is powered by gravitational flow. The device includes an upper collecting chamber (14) and a filtration chamber (18). The filtration chamber includes a set of reactance containing at least three components wherein one of the components is a polycation and another one of the components is a polyanion. The method includes subjecting the water to gravitational flow through the filtration chamber (18).

The invention provides a baffled regulable ultrasonic/ultraviolet combined disinfection reactor, belonging to the field of sewage and sludge treatment. The device utilizes ultrasonic and ultraviolet combined action, and by utilizing the crushing, cavitation and mechanical shearing action of ultrasonic wave, the particle size distribution state of particulate matters in sewage can be improved, the ultraviolet is forced to kill pathogenic bacteria, so that the ultraviolet disinfection efficiency and stability can be improved. The contact time of water flow and a disinfectant can be prolonged as water flow is baffled to pass through all reaction chambers of the reactor, multistage reaction processes can be formed, and the controllability of reaction processes can be enhanced. Through the technology, the side product risk brought by the disinfection of chemical medicaments can be greatly lowered, the baffled regulable ultrasonic/ultraviolet combined disinfection reactor is especially applicable to disinfection treatment of small and middle-sized sewage treatment plants, the technical operation is simple, auxiliary equipment facilities are not required, so that the baffled regulable ultrasonic/ultraviolet combined disinfection reactor is safe and high-efficiency.

The invention relates to an integration technology for synchronous removal of a plurality of heavy metal ions by use of structure state iron; pretreated heavy metal wastewater is introduced into a structure state iron-vertical multistage reaction system, the suitable reactor stage is adopted according to properties of the wastewater and kinds and concentrations of heavy metals in the wastewater; a medicament and the wastewater are fully contacted and mixed for reaction in a mixing reaction pool in the manner of countercurrent mixing, then the solution enters into a sedimentation tank of a reactor of the stage to achieve solid-liquid separation; after separation, the supernatant is detected, until the supernatant achieves discharge standard, the effluent is discharged; if the effluent does not achieve the discharge standard, the effluent continues to enter into a reactor of next stage for repeated wastewater treatment, until the effluent achieves the discharge standard; the medicament is the structure state iron. The structure state iron-vertical multistage reaction system includes a rapid mixing pool, a slow mixing pool, a pretreatment sedimentation tank and a multistage pretreatment reactor, has the advantages of simple operation, capability of continuously performing multi-stage reaction, small occupation area, high treatment efficiency, and short reaction time, can simultaneously remove the heavy metals, reduces the application cost, and has promotion and application prospect.

A wastewater disposal method using a two-way oxygen supply horizontal-flow biofilm includes a carrier that is formed of a permeable material so that oxygen is supplied to the biofilm from the bottom layer of the biofilm adjacent to the surface of the carrier, so as to achieve a mode of simultaneously supplying oxygen from the surface layer and the bottom layer of the biofilm. Wastewater disposal equipment using a two-way oxygen supply horizontal-flow biofilm includes a water intake system, a reaction system and a water discharge system.

There is provided herein a system and method for de-toxifying and de-scaling source water. In some embodiments, source water will be mixed with either an aluminum source or an iron source to separate endotoxins from acidic proteins and convert the naturally present bicarbonate in source water to carbon dioxide. Endotoxins and carbon dioxide will then be removed from source water by a stage of hydrophobic membranes to produce de-toxified and de-carbonated source water. Calcium hydroxide will be mixed with the de-toxified and de-carbonated source water to form precipitates comprising foulants and sulfate. A recoverable and reusable amine solvent will also be used to induce efficient precipitation. Possible reuse applications for the treated source water by the inventive methods that minimize excessive uses of potable water may include hydro-fracturing of shale and sand formations and heavy oil recovery by steam injection.

This invention relates to remediation systems, and more particularly to remediation systems for water, soil, and sediment bodies using thin-layer coated microbubbles.

The invention provides a modular multi-tube Fenton fluidized bed reactor which comprises a fluidized bed barrel, a water distributor and multiple multi-tube fluidized bed modules, wherein the water distributor is arranged at the bottom end in the fluidized bed barrel and communicated with a first water inlet, and a first water outlet is formed at the upper end of the fluidized bed barrel; the multi-tube fluidized bed modules are arranged in the fluidized bed barrel, and the bottom end of each multi-tube fluidized bed module is communicated with a water outlet hole of the water distributor; and each multi-tube fluidized bed module comprises a barrel, a filler lining layer is arranged at the bottom of the barrel, and a filler layer is arranged above the filler lining layer. The invention aims at providing a modular multi-tube Fenton fluidized bed reactor so that the water distribution in the reactor is uniform, the fluidization and mass transfer effects are good, and the wastewater treatment efficiency is high.

Some demonstrative embodiments of the invention include a method, device and/or system illumination-based disinfection. A disinfector may include, for example, a conduit to carry a flowing medium to be disinfected, the conduit having an inlet to receive the medium and an outlet to discharge the medium; a flow adapter configured to adapt a flow of the medium at the inlet based on an intended spatial distribution of flow velocities of entities suspended in the medium along a plurality of intended flow paths from the inlet to the outlet; and at least one illumination source to illuminate the conduit with light having a customized spatial light flux distribution, which is based at least in part on the intended distribution of flow velocities. Other embodiments are described and claimed.