53results about "Water treatment pressure conditions" patented technology

The invention discloses a water hammer shock wave pulsation system applied to ship ballast water treatment, which comprises a ballast tank and a treatment room, and the ballast tank is sequentially connected to the inlet of the treatment room through a centrifugal pump, a cyclone separator and a regulating valve One way of the outlet of the treatment chamber is connected with the ballast tank through the impact valve, and the other way of the outlet of the treatment chamber is connected with the inlet of the treatment chamber through the spring check valve and the first energy storage tank. A water hammer shock wave pulsation system applied to ship ballast water treatment according to the present invention can cause pressure pulsation through continuous water hammer and apply it to ship ballast water disinfection, which can effectively reduce costs and save energy. Effect, when the pressure shock wave in the system turns into a negative phase (low pressure), the hydraulic cavitation effect will occur, which can generate enough energy to kill microorganisms and bacteria in the ballast water, and complete the treatment process of the ship's ballast water.

The invention discloses a water production control method, a water production control device and an ultra-pure water preparation system based on electric ball valves adjustment. The method comprises an initialization step, an open / close control step, a pressure difference calibration step, and a linkage adjustment step. In the initialization step, concentrated water side discharge electric ball valve and return electric ball valve unit open and close degrees at full open and full close of the concentrated water side discharge electric ball valve and return electric ball valve are detected. In the open / close control step, the open and close of the concentrated water side discharge electric ball valve and return electric ball valve are controlled according to the unit open and close degrees; real-time open and close degrees are recorded; and the real-time and unit open and close degrees are corrected according to the detection signal feedback. In the pressure difference calibration step, the pressure difference between reverse osmosis membrane water inlet side and concentrated water side when the concentrated water side of the reverse osmosis membrane reaches a target flow rate is obtained through adjusting the concentrated water side discharge electric ball valve and return electric ball valve open and close degrees, and is adopted as a target pressure difference. In the linkage adjustment step, through adjusting a high-pressure pump and the concentrated water side discharge and return electric ball valve open and close degrees, the target pressure difference and the target flow rate are achieved. With the method, the device and the system provided by the invention, cost is reduced, and control precision is improved.

A pressurized forward osmotic separation process is disclosed. Generally there are two processes described. One process involves the concentration of a target solute in the first solution; the other process involves the extraction of a solvent from a first solution both by a second solution comprising of water and soluble gas or water, soluble gas, and a compound by creating an osmotic concentration gradient across the semi permeable membrane. The first solution is under pressure from an inert gas and the second solution is under pressure from a soluble gas with equal system pressures greater than 1 atmosphere. The increase or decrease of partial pressure of the soluble gas in the second solution increases or decreases the chemical potential of the second solution to achieve different solution properties. The soluble gas may be carbon dioxide and the compound may be magnesium hydroxide.

The invention relates to a cyanginosin treatment device. The cyanginosin treatment device comprises a reaction chamber and an ozone generator, wherein the reaction chamber is provided with a water inlet pipe and a water outlet pipe, which are communicated with the reaction chamber; the reaction chamber is internally provided with an ultraviolet lamp; the ozone generator is provided with an ozone leading-in pipe for conveying ozone into the reaction chamber and an oxygen leading-in pipe for conveying oxygen into the ozone generator. The cyanginosin treatment device provided by the invention takes the ultraviolet lamp and the ozone to treat cyanginosin, and has the advantages of low treatment cost, low energy consumption, great water treatment amount, small secondary pollution, high applicability, stable and reliable treatment effect, simplicity in operation and maintenance and developed technology. The invention further relates to a cyanophyta treatment device; the technical problem inthe prior art that the cyanophyta treatment effect is not good is solved.

The invention relates to a method for treating cyanobacteria. The method comprises carrying out pressurization, feeding a cyanobacteria-containing liquid into a first closed container, pressing the liquid to 0.2 to 10 MPa, carrying out turbulence, continuously spraying the liquid to the inner surface of the first closed container to obtain a turbulent flow until the liquid flow rate is 1.5 to 25 m / s, feeding air into the liquid, keeping the turbulent flow of the liquid in the first closed container, introducing air into the first closed container until the air and the liquid are uniformly mixed, keeping the pressure of the mixed liquid in the first closed container between 0.1 to 10 MPa and removing toxins. The method solves the technical problem that the existing cyanobacteria treatment method cannot form turbulent flows and cannot treat cyanobacterial toxins.

The invention discloses a device for treating high-concentration organic wastewater through catalytic hydrothermal gasification. The device mainly comprises a CHG reactor, a wastewater temporary storage tank and a condensation heat exchanger, wherein the CHG reactor mainly comprises a shell, a thermocouple, a water distribution device and a filler bracket, the shell is provided with a feed port and a gas outlet, the filler bracket is used for supporting a catalyst filler and is arranged in the shell, the water distribution device is arranged in the shell above the catalyst filler, and the thermocouple is inserted into the side wall of the shell and extends into the catalyst filler. The condensation heat exchanger is communicated with the air outlet through a back pressure valve and a pipeline, the liquid inlet of the wastewater temporary storage tank is connected with the condensation heat exchanger through a high-pressure feeding pump and a pipeline, and the liquid outlet of the wastewater temporary storage tank is connected with the feeding port through the high-pressure feeding pump and a pipeline. The device can quickly convert high-concentration organic wastewater into clean energy or harmless gas at a low temperature under the action of a catalyst, greatly reduces the energy consumption in the treatment process, improves the treatment efficiency, and has potential application prospects.

The invention relates to an apparatus for combined processing of high-salinity high-COD sewage and a processing method. The sewage is subjected to a pre-treatment stage; after the pH value of the pre-treated sewage is adjusted to form an alkaline environment, the pH-adjusted sewage directly enters an oxidation evaporation reactor, so that organics in the pH-adjusted sewage are oxidized into carbon dioxide and water; and during sewage evaporation, salts in the sewage are concentrated and precipitate out through crystallization, thus the sewage in a semi-solid state enters a subsequent sludge roasting device for roasting, a very small amount of roasted inorganic salt ash can be processed as an ordinary solid waste or can be utilized by secondary recovery through re-purification technology. Through the processes of advanced oxidation, evaporation condensation and sludge roasting, organics in the sewage are oxidized to reduce the COD index, the salts in the sewage are concentrated and precipitate out through crystallization so as to facilitate forming of the semi-solid sludge, the evaporation-precipitated semi-solid sludge is subjected to roasting for harmless processing, so that a state is truly achieved that the sludge precipitated from the sewage is harmlessly processed while the sewage is processed.

An electrocoagulation unit that may include an outer shell, and a set of electrodes disposed within the inner housing. Each electrode is separated from an adjacent electrode by an electrode gap spacing. The outer shell may further include a fluid inlet; a fluid outlet; a first busbar opening with a first busbar gland associated therewith.

A process and apparatus is provided for reduction of dissolved oxygen content in seawater from about 8 ppm in the feed seawater to about 10 ppb or less. Significant advantages are achieved by: use of a separator in horizontal alignment to provide high gas-liquid contacting area for separation and de-entrainment within the separator, thereby providing higher throughput; and heating seawater to at least 30° C. and up to 60° C., so as to enhance removal of oxygen from seawater; use of once-through fuel gas as stripping gas and its subsequent combustion for heating the seawater provides for high efficiency and reduction of fouling. The combination of these features allows the amount of residual oxygen in deoxygenated seawater to be reduced to below 10 ppb and as low as 2 ppb.

The present invention relates to a method of concentrating an aqueous solution by low pressure under a zero osmotic pressure difference condition, and more particularly to a method of concentrating a solute-containing aqueous solution by low pressure under a zero osmotic pressure difference condition. When the method of the present invention is used, there are advantages in that energy consumption is low, and an aqueous solution can be concentrated until it can reach the maximum solute concentration or a solute concentration of 100%, without having to use an extraction solvent. In addition, there is an advantage in that the need to use a separate osmotic pressure draw solution is eliminated.

In a method and apparatus for treating an organic liquid waste with a biofilm, the organic liquid waste is dissolved with oxygen under a first pressure higher than an atmospheric pressure to prepare a pressurized oxygen-dissolved organic liquid waste. The pressurized oxygen-dissolved organic liquid waste is depressurized to prepare a depressurized oxygen-dissolved organic liquid waste. The depressurized oxygen-dissolved organic liquid waste contacts the biofilm to prepare a treated organic liquid waste.

The invention discloses an ultrasonic-assisted membrane distilled water treatment system and method. The system comprises a raw water tank, a heater, a water feeding pump, an ultrasonic-assisted membrane distillation tank, a membrane assembly, a cooling water circulating pump, a cooler and a cooling water tank, wherein the membrane assembly is arranged in the ultrasonic-assisted membrane distillation tank, and ultrasonic generators are arranged around the inner wall of the ultrasonic-assisted membrane distillation tank; the raw water tank, the heater, the water feeding pump and the ultrasonic-assisted membrane distillation tank are sequentially communicated, and an outlet of the ultrasonic-assisted membrane distillation tank is communicated with the raw water tank to form a circulation loop; the cooling water tank, the cooler, the cooling water circulating pump and the membrane assembly are connected; an outlet of the membrane assembly communicates with the cooling water tank to form acirculating loop. The ultrasonic generators are additionally arranged in the working environment of the membrane assembly, so that the mass transfer effect of the membrane surface is enhanced, the concentration polarization phenomenon is relieved, the permeation flux of the membrane is improved, the surface of the membrane assembly can be cleaned, the pollution of the membrane assembly is relieved, the requirement of wastewater desalination can be fully met, and produced water with relatively high quality is obtained.

Method and plant to implement the continuous thermal hydrolysis of sludge to be treated containing organic matter, the method comprising at least:a. a step for de-structuring said sludge to be treated producing de-structured sludge;b. a step for the thermal hydrolysis of said de-structured sludge within a thermal hydrolysis reactor producing hydrolyzed sludge;c. a step for cooling said hydrolyzed sludge; said step for de-structuring consisting in:introducing said sludge to be treated into a dynamic mixer;heating said sludge coming from said dynamic mixer, this heating being obtained by the introduction, into a heat exchanger, on the one hand of said sludge coming from said dynamic mixer and, on the other hand, of said hydrolyzed sludge, this introduction inducing said cooling.

The invention discloses a water purifier controlled by four-side valves. The water purifier comprises an RO filter element and a pressure barrel. The pressure barrel is divided into a pure water area and a waste water area through a partition film of a flexible structure. Pressure is transmitted between the pure water area and the waste water area. The water inlet end of the RO filter element is connected with the first four-side valve. The water outlet end of the RO filter element is connected with the pure water area of the pressure barrel through a first check valve. The waste water end of the RO filter element is connected with the waste water area of the pressure barrel through the second four-side valve. The outlet water of the pure water area of the pressure barrel is connected with a water outlet faucet after sequentially passing through the first four-side valve, the second check valve and the second four-side valve. The waste water area of the pressure barrel is connected with a waste water ratio control valve. A power supply is omitted, energy is saved, the water purifier is suitable for outdoors or other places with water but no power, and the limit of sites is reduced; meanwhile, a pressure barrel gas bag is omitted, and the storage water volume of the pressure barrel is large; pure water is pressed out by waste water, and the water outlet stable flow is little changed.

The present invention relates to a method of concentrating an aqueous solution by low pressure under a zero osmotic pressure difference condition, and more particularly to a method of concentrating a solute-containing aqueous solution by low pressure under a zero osmotic pressure difference condition. When the method of the present invention is used, there are advantages in that energy consumption is low, and an aqueous solution can be concentrated until it can reach the maximum solute concentration or a solute concentration of 100%, without having to use an extraction solvent. In addition, there is an advantage in that the need to use a separate osmotic pressure draw solution is eliminated.

A fluid decontamination apparatus is provided having a container body with a plurality of three-dimensional open structure (3DOS) substrates spaced about therein, wherein a contaminated fluid flowing through the container body will contact the 3DOS substrates. Nozzles can be inserted and secured within inlet apertures disposed about the container body, configured to inject the contaminated fluid with / without air to induce the occurrence of hydrodynamic cavitation. The substrates can be porous and permeable enabling the contaminated fluid to flow therethrough, wherein the fluid flow passageway through the pores extends the volume of contaminated fluid exposed to turbulent and cavitation inducing flow conditions. Moreover, the 3DOS substrates may be coated with one or more types of catalysts so as to initiate chemical reactions. As such, the extended exposure of the contaminated fluid to hydrodynamic cavitation forming conditions, along with the chemical reactions carried out on the porous surfaces, enable an increased number of toxic species and unwanted organic compounds to be destroyed and / or altered, thereby enhancing the decontamination of the flowing fluid.

The invention discloses a water purifier controlled by five-side valves. The water purifier comprises an RO filter element and a pressure barrel. The pressure barrel is divided into a pure water area and a waste water area through a partition film of a flexible structure. Pressure is transmitted between the pure water area and the waste water area. The water outlet end of the RO filter element is connected with the pure water area of the pressure barrel through a first check valve. The water purifier further comprises the five-side valves. The pure water area of the pressure barrel is connected with one five-side valve through a second check valve. The waste water end of the RO filter element is connected with the waste water area of the pressure barrel through the other five-side valve. A power supply is omitted, energy is saved, the water purifier is suitable for outdoors or other places with water but no power, and the limit of sites is reduced; meanwhile, a pressure barrel gas bag is omitted, and the storage water volume of the pressure barrel is large; pure water is pressed out by waste water, and the water outlet stable flow is little changed.

The invention discloses an integral reverse osmosis water treatment device which comprises a first water tank, wherein a first partition plate and a second partition plate are welded to the the innercavity of the first water tank; the first partition plate and the second partition plate are parallel to each other; both the first partition plate and the second partition plate are perpendicular tothe bottom plate of the first water tank; round holes are formed in ends, close to the bottom of the first water tank, of the first partition plate and the second partition plate; reverse osmosis membranes are fixed inside the round holes through screws; a water inlet tube is arranged at the top of the first water tank; the water inlet tube on the first water tank is connected with the water outlet end of a third water tank; a filtering device is fixed inside the inner cavity of the third water tank through screws; a dreg discharge tube is welded on a side wall of the third water tank; a gateis arranged on the dreg discharge tube; the dreg outlet end of the dreg discharge tube is connected with the feeding end of a dreg collection tank. The integral reverse osmosis water treatment deviceis simple in structure, smart in design, low in manufacturing cost, good in sewage treatment capability, highly centralized in component, easy to carry and easy to move.

The invention discloses a control method of a water purifier. The control method of the water purifier comprises the following steps: the water purifier is controlled to run in a water producing modeto produce direct drinking water, and the direct drinking water is injected into a water bag of the water purifier, wherein the water bag is arranged in a water storage tank of the water purifier; after the water bag is filled with the direct drinking water, concentrated water is controlled to be injected into the water storage tank, so that the water level of the concentrated water in the water storage tank is continuously increased; and when a faucet corresponding to the direct drinking water is opened, the direct drinking water in the water bag is pressed out by using the concentrated waterwith a high water level in the water storage tank. The invention further discloses a control device of the water purifier and a computer readable storage medium. According to the invention, cost of the water purifier is reduced.

A fluid decontamination apparatus is provided having a container body with a plurality of three-dimensional open structure (3DOS) substrates spaced about therein, wherein a contaminated fluid flowing through the container body will contact the 3DOS substrates. Nozzles can be inserted and secured within inlet apertures disposed about the container body, configured to inject the contaminated fluid with / without air to induce the occurrence of hydrodynamic cavitation. The substrates can be porous and permeable enabling the contaminated fluid to flow therethrough, wherein the fluid flow passageway through the pores extends the volume of contaminated fluid exposed to turbulent and cavitation inducing flow conditions. Moreover, the 3DOS substrates may be coated with one or more types of catalysts so as to initiate chemical reactions. As such, the extended exposure of the contaminated fluid to hydrodynamic cavitation forming conditions, along with the chemical reactions carried out on the porous surfaces, enable an increased number of toxic species and unwanted organic compounds to be destroyed and / or altered, thereby enhancing the decontamination of the flowing fluid.

The invention discloses a Ru-Fe-Cu-La-Ti composite catalytic wet oxidation treatment method. A catalyst is characterized by comprising the following components in parts by weight: (a) 5 parts of Ru(OH)3; (b) 6 parts of Fe2(SO4)3; (c) 5 parts of CuSO4; (d) 12 parts of LaCl3.6H2O; (e) 5 parts of TiO2; (f) 30 parts of distilled water; (g) 5 parts of an adhesive; and (h) 30 parts of a pretreated activated carbon carrier. The pretreated activated carbon carrier is treated by aspartic acid so as to serve as a carrier core, and amorphous silica-alumina serves as a carrier shell. The prepared catalyst is excellent in mechanical strength and wear resistance and high in activity and stability. When landfill leachate is treated by the previous catalyst system, the CODCr removal rate can reach 95.4%, and the turbidity removal rate can reach 90.6%.

A method of removing chemical contaminants from a composition comprising an active, a solvent, and a contaminant can include providing an initial feed supply, wherein the initial feed supply comprises the active, the solvent, and the contaminant, wherein the contaminant can include 1,4 dioxane, dimethyl dioxane, or a combination thereof; including filtering the initial feed stock through a nanofilter.

The invention relates to a gas dissolving device having high processing power and capable of efficiently dissolving gas in water. A gas dissolving device (1) comprises a vessel body (2) having a sealed space, a gas supplying mechanism (3) provided with a supply tube (3b) connected to the vessel body (2), so as to supply a gas to the vessel body (2) through the supply tube (3b) until the gas pressure in the vessel body (2) is increased to the atmospheric pressure or above, a water supply mechanism (4) provided with water supply tubes (4a, 4b) connected to the vessel body (2), so as to supply water to the vessel body (2) through the water supply tubes (4a, 4b), and a drain tube (5) for discharging the gas-dissolved water stored in the bottom of the vessel body (2) to the outside, the arrangement being such that gas is dissolved in water by bringing gas and water into gas-liquid contact in the vessel body (2). The water supply tube (4a) is vertically disposed in the vessel body (2) and is provided with a delivery port (4c) which opens to the upper end surface, the arrangement being such that water is delivered from the delivery port (4c) upwardly toward the ceiling of the vessel body (2). The water supply tube (3b) is connected to the water supply tube (4a) to supply a gas to the vessel body (2) through the water supply tube (4a).

The invention relates to a gas dissolving device having high processing power and capable of efficiently dissolving gas in water. A gas dissolving device (1) comprises a vessel body (2) having a sealed space, a gas supplying mechanism (3) provided with a supply tube (3b) connected to the vessel body (2), so as to supply a gas to the vessel body (2) through the supply tube (3b) until the gas pressure in the vessel body (2) is increased to the atmospheric pressure or above, a water supply mechanism (4) provided with water supply tubes (4a, 4b) connected to the vessel body (2), so as to supply water to the vessel body (2) through the water supply tubes (4a, 4b), and a drain tube (5) for discharging the gas-dissolved water stored in the bottom of the vessel body (2) to the outside, the arrangement being such that gas is dissolved in water by bringing gas and water into gas-liquid contact in the vessel body (2). The water supply tube (4a) is vertically disposed in the vessel body (2) and is provided with a delivery port (4c) which opens to the upper end surface, the arrangement being such that water is delivered from the delivery port (4c) upwardly toward the ceiling of the vessel body (2). The water supply tube (3b) is connected to the water supply tube (4a) to supply a gas to the vessel body (2) through the water supply tube (4a).

The invention relates to a device consisting of a reactor facility for the electrolytic treatment, with relation to flow dynamics, of fluid or gaseous media or mixtures of the two. In the context of this invention, electrolytic treatment with relation to flow dynamics means the combination of the production of at least one rotating fluid eddy and the eversion of the eddy by means of electrolysis taking place in the reactor facility. The guided fluid eddy is efficiently treated, cleaned and disinfected by this combination in the reactor facility according to the invention. The invention furtherrelates to a method for the electrolytic treatment, with relation to flow dynamics, of fluid media in the reactor facility according to the invention.

A method for treating produced water from a fraccing source is disclosed. The method first mixes nitrogen and produced water and feeds the mixture to a forward osmosis unit containing a semi-permeable membrane; carbon dioxide gas is then fed to the forward osmosis unit, therein creating a pressurized nitrogen side and a pressurized carbon dioxide side of the forward osmosis unit; concentrated produced water is recovered from the pressurized nitrogen side of the forward osmosis unit and fresh water is recovered from the pressurized carbon dioxide side of the forward osmosis unit.

The invention discloses a water treatment device capable of changing molecular groups of tap water and a use method, the water treatment device comprises a shell, a food-grade stainless steel pipe is arranged in the shell, a plurality of annular single rare earth magnetic steels are arranged between the shell and the stainless steel pipe, and the plurality of single rare earth magnetic steels are arranged side by side in a combined manner; a nuclear magnetic resonance energy field with Tesla reaching 9000GS is completed through the multiple pieces of arrayed and combined single rare earth magnetic steel, food-grade nano materials in the shell are used as blocking and buffering of the shell and an internal water passing space, then a Brownian motion structure is completed through the food-grade nano materials and the pressure intensity in a tap water pipeline, tap water is pressed by water pressure, and therefore the tap water can flow into the water passing space through the water passing space. The Brownian motion structure is arranged in the shell, and strong force rushes into the nuclear magnetic resonance energy field in the shell from the gap of the Brownian motion structure to cut molecular groups to complete tearing of macromolecular groups, so that the equipment can change the molecular groups of tap water according to human body life metabolism needs.

The invention discloses a water purifier controlled by five-side valves. The water purifier comprises an RO filter element and a pressure barrel. The pressure barrel is divided into a pure water area and a waste water area through a partition film of a flexible structure. Pressure is transmitted between the pure water area and the waste water area. The water outlet end of the RO filter element is connected with the pure water area of the pressure barrel through a first check valve. The water purifier further comprises the five-side valves. The pure water area of the pressure barrel is connected with one five-side valve through a second check valve. The waste water end of the RO filter element is connected with the waste water area of the pressure barrel through the other five-side valve. A power supply is omitted, energy is saved, the water purifier is suitable for outdoors or other places with water but no power, and the limit of sites is reduced; meanwhile, a pressure barrel gas bag is omitted, and the storage water volume of the pressure barrel is large; pure water is pressed out by waste water, and the water outlet stable flow is little changed.