75 results about "Ph probe" patented technology

A bioreactor assembly of the present invention for holding a media and supporting growth of a plurality of plants. The assembly includes a light source and a container having a light transmissive wall structure and defining a reservoir. A major axis of the reservoir is substantially horizontal allowing the reservoir to be filled with media to a partial level and to define a relatively large surface area for support of the plants. The assembly may also include clamps to secure and seal separate wall structure portions of the container together, and end caps to the wall portions, to define an aseptic environment. As another option, the clamps may define openings therethrough that allow passage of various devices for measuring and controlling bioreactor function such as a gas supply nozzle, a gas exit nozzle, an air temperature probe, a pH probe, a sampling drain, a gas composition probe and a media temperature probe.

A bioreactor assembly of the present invention is provided for holding a media and supporting growth of a plurality of plants. The assembly includes a light source and a container having a light transmissive wall structure and defining a reservoir. A major axis of the reservoir is substantially horizontal allowing the reservoir to be filled with media to a partial level and to define a relatively large surface area for support of the plants. The assembly may also include clamps to secure and seal separate wall structure portions of the container together, and end caps to the wall portions, to define an aseptic environment. As another option, the clamps may define openings therethrough that allow passage of various devices for measuring and controlling bioreactor function such as a gas supply nozzle, a gas exit nozzle, an air temperature probe, a pH probe, a sampling drain, a gas composition probe and a media temperature probe.

The invention relates to a polygonal plastic bag swing cell reactor and a method for culturing animal cells. The cell reactor solves the problem of self function amplification and intensification in the face of the large-scale high-density culture requirement of animal cells. The polygonal plastic bag swing cell reactor comprises a swing bed (60) which is connected with a swinging mechanism, and a polygonal reaction tank (100) is installed in the swinging mechanism. A polygonal plastic culturing bag (90) is installed in the polygonal reaction tank, and a plastic multifunctional plate (91) is installed on the polygonal plastic culturing bag (90). A temperature probe (82), a pH probe (81) and a dissolved oxygen probe (80) are respectively installed on the multifunctional plate and penetrated into the polygonal plastic culturing bag. The multifunctional plate is provided with an air inlet (886), an air outlet (83) and a feed inlet (88), and the bottom of the polygonal reaction tank is provided with a distribution awl (105). The invention provides a high quality environment for animal cell culture.

A device for realizing and maintaining shortcut nitrification in a continuous flow process is successively provided with a water inlet tank, an aeration system and a precipitation system, wherein the water inlet tank is communicated with a completely hybrid reaction tank through an intake pump and the completely hybrid reaction tank is communicated with a precipitation tank through a pipeline. The reaction tank is provided with a DO probe and a pH probe. Data is transmitted to a PLC control system through a DO\pH online detecting instrument and the PLC control system is connected with an air compressor. In an intermittent starting stage, the PLC control system can timely close a switch of the air compressor according to variation characteristics of DO and pH values. In a stable maintenance stage, the PLC control system can adjust an opening or a rotational speed of the air compressor in real time and control a DO concentration in the reaction tank within an optimized scope. This invention realizes rapid starting and stable maintenance of the shortcut nitrification and resolves a problem that starting of the shortcut nitrification in the continuous flow process is difficult in treating municipal sewage and the shortcut nitrification is difficult to be re-implemented. The invention is mainly used to realize the shortcut nitrification of the municipal sewage or wastewater containing high ammonia nitrogen in the continuous flow process, and saves the aeration energy consumption.

The invention discloses a three-dimensional electrode/ electro-Fenton reactor, relating to a water treatment reactor. The reactor comprises a main reaction tank and a footstock. The whole reactor is round, and the footstock is provided with a DC voltage-stabilized power supply, mixing equipment, an indicating meter, an aerator, pH conditioning equipment and a pH detector; an water inlet, a pH probe, an acid adding tube and an alkali adding tube are arranged on the upper part of the main reaction tank; the main reaction tank is provided with an anode and a cathode; the mixing equipment passes through the inside of cathode; a water outlet, a round aeration disk and a mud disposal port are arranged on the lower of the main reaction tank; the aeration disk is arranged on the lower part of the water outlet; and the mud disposal port is arranged at the bottom of the reactor. The reactor is provided with a net-like annular anode and a hollow columnar cathode, and adopts round design to cause material in the reactor to be evenly mixed without the blind angle; in addition, the reactor has high electrolytic efficiency and can treat organic waste water which is hard to be degraded.

An effluent gas scrubber and a method of scrubbing effluent gases are provided. An inlet port receives an effluent gas. The gas passes through successive chambers in which it is sprayed with a scrubbing fluid. An oxidizer within the scrubbing fluid is effective to oxidize non-water soluble gases within the effluent gas. An oxidation-reduction potential probe measures the oxidation-reduction potential of the scrubbing fluid and adds the oxidizer to the scrubbing fluid as needed. A pH probe measures the pH of the scrubbing fluid and adds a base to the scrubbing fluid as needed to maintain the pH at or above a threshold such as pH 7, or pH 12.

The invention discloses an automatic-control-based denitrifying methane anaerobic oxidizing bacteria enrichment system, which comprises a methane inlet gas flow meter, an argon inlet gas flow meter, an outlet gas flow meter, a methane inlet automatic regulating valve, an argon inlet automatic regulating valve, a water inlet automatic regulating valve, an acid and alkali liquor input automatic regulating valve, a flange, a dissolved oxygen probe, a pH probe, a methane probe, a mechanical stirring blade, a reactor main body, a gas uniform distributor, a dissolved oxygen alarm, a methane alarm, a data acquisition and analysis regulating device, a biomass interceptor and a reflux pump. The invention has the advantages that: 1) the system is provided with the gas uniform distributor and the mechanical stirring blade, so that a substrate can be fully mixed with microorganisms easily, and high-efficiency enrichment is realized; 2) parameters are monitored and fed back in real time in an automatic control mode, the normal operation of the enrichment system is ensured, and manpower is reduced simultaneously; 3) the system is provided with the biomass interceptor, so that biomass is prevented from being lost; and 4) the system has a concise structure and is easy to process and convenient to universally apply.

The invention discloses a device for improving N2O production in sewage treatment and a control method thereof. The device comprises a raw water tank, a water inlet pump, a short-cut nitrification liquid tank, a short-cut nitrification liquid inlet pump, an N2O production reactor and an air compressor. The N2O production reactor is a sealed SBR reactor. The N2O production reactor comprises a sealing cover, a water seal device, an agent filling inlet, an N2O collection pipe, a stirrer, an aeration gas pipe, an aeration head, a DO probe and a pH probe. The control method comprises that a sludge inner carbon source is used as a denitrification carbon source and nitrite inhibits the activity of an N2O reductase so that N2O accumulation is realized; and through aeration, N2O in the mixed liquid is blown into a gas phase and then is collected and the collected N2O can be used as an oxidizing agent for methane combustion so that production power is improved. The control method can improve production power of a sewage treatment plant, reduce an N2O release amount, reduce a sludge yield and reduce a denitrification carbon source demanded amount.

The invention discloses a device for treating electrophoretic coating waste water. The device comprises a waste liquid regulating pool, a waste water regulating pool and a reaction tank, wherein a pH probe is arranged in the reaction tank; the reaction tank is also connected with an alkali addition pipeline, and is sequentially divided into four reaction chambers, namely a first reaction chamber, a second reaction chamber, a third reaction chamber and a fourth reaction chamber, along a reaction path; a stirrer is arranged in each reaction chamber; the adjacent reaction chambers are communicated with each other through an overflow hole; a discharging port for waste water overflow is formed in the fourth reaction chamber and is connected to an inclined pipe precipitation tank; and a sludge discharging port is formed in the bottom of the inclined pipe precipitation tank, and is connected to a sludge pool. A method for treating the electrophoretic coating waste water mainly comprises the steps of mixture of waste liquid and waste water, phosphorous removal through calcium salt, nickel removal through vulcanization, phosphorous removal through ferric salt, and flocculating settling. According to the device and the method, heavy metal ions such as nickel and zinc in the waste water can be effectively removed, the labor intensity of an operator is reduced, and a system can also stably operate.

The invention relates to an in-vitro animal organ perfusion device which comprises a liquid storage component, a temperature control component, an oxygenation component and a perfusion component, wherein the liquid storage component is used for storing a perfusion solution; the temperature control component is used for maintaining the temperature of the perfusion solution in transportation; the oxygenation component is used for introducing oxygen into the perfusion solution in transportation to generate an oxygenation effect; the perfusion component comprises an outer-layer heat insulation subsystem and an inner-layer perfusion subsystem, the inner-layer perfusion subsystem comprises a perfusion chamber with a cover, a perfusion tube and a bile drainage tube are arranged on the cover, theperfusion chamber is divided into an upper layer and a lower layer by a perforated partition for holding a to-be-perfused animal liver, and the lower layer is connected to the liquid storage componentthrough a recovery pipeline. The in-vitro animal organ perfusion device provided by the invention has the benefits that a controllable temperature environment and a perfusion solution oxygen concentration environment are provided on the basis of realizing an animal perfusion technique; more changeable and perfect experimental conditions can be provided for a related in-vitro animal organ tissue experiment; in the experiment process, a temperature probe, an oxygen concentration probe and a pH probe of the device can provide more experiment data.

The invention relates to a sequencing batch type electro-fenton device used for acrylonitrile wastewater advanced treatment. The electro-fenton device comprises an electrolytic cell, wherein a stirrer, an anode and a cathode are arranged in the electrolytic cell; the anode and the cathode are respectively connected with a positive electrode and a negative electrode of a direct-current stabilized power supply. The electro-fenton further comprises an acid liquor storage slot, an alkali liquor storage slot, a H2O2 storage slot and a wastewater storage slot, wherein the acid liquor storage slot is connected with the electrolytic cell and used for adding the acid liquor; the alkali liquor storage slot is used for adding the alkali liquor; and the H2O2 storage slot is used for adding H2O2 liquor and the wastewater storage slot is used for adding acrylonitrile wastewater. The electro-fenton device further comprises a pH probe and a pH controller, wherein the pH probe is arranged in the electrolytic cell; the pH controller is connected with the pH probe; the pH controller is used for controlling a first liquid inlet pump and a second liquid inlet pump to regulate pH value in the electrolytic cell; and a water outlet tube and a solenoid valve are connected to control water discharging from the electrolytic cell. The invention further provides a corresponding acrylonitrile wastewater advanced treatment method. According to the invention, by externally applying current, pH is regulated to realize recycling Fe<2+>, so that reaction efficiency is improved and operation cost is lowered.

A process for removing nitrate from water includes adding carried bimetal catalyst to raw water and continuously introducing H2 in anaerobic condition to reduce the nitrate contained in water into N2. Its reactor has H2 inlet, gas outlet, pH probe, temp probe, acid solution feeding hole, and sampling hole. Its advantage is high effect (more than 99%).

The invention provides a biological deodorization device taking slow release carbon as filling and belongs to the technical field of waste treatment and deodorization. The device comprises a gas intake system, a biological trickling filtration tower deodorization system and a spray liquid pH (potential of hydrogen) regulating system. The biological trickling filtration tower deodorization system consists of a plurality of independent deodorization units, wherein each independent deodorization unit comprises a gas inlet, a perforated plate, slow release carbon filling and a spraying system; the slow release carbon filling comprises polylactic acid, starch and other microelements; each spraying system consists of spray liquid, a filter, a spray pump, a spray pipeline, a spray valve and a spray device; and a pH value of the spray liquid can be regulated by a pH controller, a pH probe, a peristaltic pump and pH regulation liquid. The slow release carbon filling adopted by the device has the characteristics of controllable carbon release rate of the filling, recycling of the filling, no additional microelements, good odor treatment effect and no secondary pollution in comparison to the existing deodorization filling, and the slow release carbon filling can be widely applied to waste gas treatment in compost plants and refuse processing plants.

The invention discloses a method for generating and utilizing N2O in a partial nitrifying process of a sludge digestion solution. A device used by the method comprises a sludge nitrifying solution tank, a water inlet pump, a partial nitrifying N2O producing reactor, and the like, wherein the partial nitrifying N2O producing reactor is a sealed SBR (Sequencing Batch Reactor), and is provided with a sealing cover, an N2O collecting pipe, an exposure head, a DO (Dissolved Oxygen) probe and a pH probe. The method comprises the steps: regulating and controlling operating conditions through inoculating partial nitrifying particular sludge to enhance accumulation of N2O in the partial nitrifying process of the sludge digestion solution; then collecting a gas at the upper of the reactor as an oxidant of methane combustion, so that the yield is increased. According to the method, the release amount of N2O in the partial nitrifying process of the sludge digestion solution can be reduced, and the yield of a sewage plant can be increased.

The invention relates to a siphon type batch spray bioreactor belonging to the biotechnology field, wherein a port of a liquid storage bottle is connected to a gas-liquid mixture agitation tank by a first liquid pump, a gas nozzle is arranged at internal bottom of the gas-liquid mixture agitation tank, a gas flow meter outside the gas-liquid mixture agitation tank is connected to the gas nozzle, an output end of the gas-liquid mixture agitation tank is connected to an input end of a spray device, an output end of the spray device and an input end of the reactor main body, an output end of the reactor main body is connected to a continuous harvesting apparatus, a waste liquid output port of the reactor main body is connected to a waste liquid bottle, the continuous harvesting apparatus is connected to a reclaiming end of the reactor main body through a second liquid pump, an oxygen probe and a pH probe are arranged in the reactor main body and the oxygen probe and the pH probe are connected to a computer. The invention has advantages of simple design, convenient operation and low cost.

An electromagnetism and ultraviolet ray cooperated organic wastewater treatment device comprises a reaction tank with a heating tube, wherein pretreated wastewater is fed into the reaction tank, a pH probe and a temperature probe are arranged in the reaction tank, the reaction tank is connected with an electromagnetism and ultraviolet ray cooperated reactor through a water pump and a pipeline so that the wastewater is circulated between the reaction tank and the electromagnetism and ultraviolet ray cooperated reactor, an oxidizing agent storage tank is connected to the pipeline through a dosing pump. The invention further provides an electromagnetism and ultraviolet ray cooperated organic wastewater treatment method. The device is high in photoelectric conversion efficiency and oxidation efficiency and long in service life, the replacement times are few, and the maintenance cost and operating cost are low.

The invention relates to the technical field of cyanide-containing wastewater treatment, in particular to a cyanide-containing wastewater treatment control system and control method.The system comprises a cyanide-containing wastewater feeding device, a sodium hydroxide dosing device, a sodium hypochlorite dosing device and three cyanide breaking reaction pools, and the cyanide-containing wastewater feeding device, the sodium hydroxide dosing device and the sodium hypochlorite dosing device are connected with the cyanide breaking reaction pools respectively.The treatment stages of the cyanide breaking reaction pools are sequentially staggered for wastewater treatment in turns to enable wastewater treatment to form a continuous cycle, therefore, wastewater treatment of each cyanide breaking reaction pool is performed intermittently in turns, the whole wastewater treatment process is continuously cycled, and the wastewater treatment efficiency is greatly improved; in addition, the agentia is dosed in a rough adjusting mode and then automatically dosed in a fine adjusting mode in the dosing process, and therefore the problem that the dosing quantity is inaccurate due to the fact that the agentia is dissolved in a lagging mode is solved; in the whole wastewater treatment process, a PLC control system performs whole-process pH monitoring and interlocking according to detection signals of a pH probe, and cyanide is effectively prevented from overflowing.

The invention relates to a method for efficiently cultivating lactobacillus and producing lactic acid, comprising the following steps: in the fermentation and cultivating process of lactobacillus, through adding the mixed solution of 1.0% to 50% of Na2CO3 or NaOH and 10%-50% of cane sugar or glucose, constantly controlling the pH value to be any value within the range of 5.0-8.0; and simultaneously, feeding saccharide required by the growth of lactobacillus to be served as a carbon source, thus enabling the pH to be controlled constantly and also providing a carbon-containing compound required by the growth of lactobacillus to be served as a carbon source. The invention has the advantages that in the method of the invention, the mixed solution of alkali controlling pH and carbon source saccharide feeding the growth of lactobacillus are taken as flowing liquid to control the pH value; the pH probe full-automatically and constantly controls the pH value, and simultaneous flows to supplement the carbon source required by the growth of lactobacillus, thus realizing efficient cultivating of lactobacillus and efficient production of lactic acid and having great application value in the industrial production of lactobacillus and lactic acid with high density.

The invention discloses a device and method for culturing marine nitrite-dependent anaerobic methane oxidation microbes. The device comprises a reactor system and a controller system, wherein the reactor system comprises a reaction tank and a low-temperature water tank; a reaction tank cover plate is arranged at the upper part of the reaction tank; a stirring shaft is arranged in the middle of the reaction tank cover plate; the upper end of the stirring shaft is connected with a stirring motor, and the lower end of the stirring shaft is connected with a stirring paddle; a liquid sampling pipe, a gas samping opening, a gas intake pipe, a gas discharge pipe, a temperature probe, a DO (Dissolved Oxygen) probe, a pH probe, an electrical conductivity probe and a pressure probe are arranged on the reaction tank cover plate; the low-temperature water tank is mainly composed of a compressor, a condenser pipe and a circulating pump; a temperature probe and a liquid level probe are arranged on the side wall of the low-temperature water tank. The device disclosed by the invention can provide an anaerobic, low-temperature, high-pressure and high-salinity environment necessary for growth to the marine nitrite-dependent anaerobic methane oxidation microbes; the various probes and the controller system are used for allowing the device to be stably and efficiently operated, so as to implement fast cultivation of the marine nitrite-dependent anaerobic methane oxidation microbes.

The invention discloses an air floating type semi-shortcut nitrification-anaerobic ammonia oxidation reactor. The reactor mainly comprises a water inlet tank, a water inlet pump, a reactor body, a water outlet pump, a water outlet tank, a dissolved air pump, a pressure stabilizing tank, a water distribution device, a constant-temperature tank and a circulating pump. The reactor body mainly comprises a water inlet, a water outlet, a sludge discharge port, an exhaust port, an observation window, a constant-temperature water bath layer, a DO probe, a pH probe and a dynamic membrane assembly. Thebottom and the top of the reactor body are provided with the sludge discharge port and the exhaust port respectively and internally provided with the DO probe and the pH probe respectively, and the observation window and the constant-temperature water bath layer are arranged outside the reactor body. The constant-temperature water bath water inlet and the water outlet are in pipeline connection with the circulating pump through the constant-temperature tank. Part of discharged water is in pipeline connection with the water distribution device through the dissolved air pump and the pressure stabilizing tank; the dissolved air pump takes air as a dissolved air source. The reactor has the main advantages that the structure is simple, aerobic ammonia oxidizing bacteria and the anaerobic ammonia oxidizing bacteria can be effectively enriched at the same time, and stable operation of a semi-shortcut nitrification-anaerobic ammonia oxidation coupling process is achieved.

The invention discloses application of a coumarone quinoline compound as a difunctional pH probe, and particularly relates to the application of coumarone quinoline compound as the probe in measuring pH value of a solution and detecting sour milk. The probe is simple to prepare and easy to obtain, has a stable structure, and is used for rapidly detecting pH value of the solution through a fluorescence spectrophotometer or ultraviolet and visible absorption spectrum or visual inspection. The method for detecting pH by the probe has the advantages of high sensitivity and good selectivity, rapidness, and visual inspection, can be used for detecting the pH value in strong acid environment, and has wide application prospect in environment monitoring, disease diagnosis, industrial production, and pollution discharge inspection.

The invention discloses a method for absorbing and fixing carbon dioxide by using spirulina, and belongs to the technical field of biology. According to the method, sealed photobioreactors are connected in series. Each photobioreactor is connected to a pH meter and a peristaltic pump, wherein a pH probe of the pH meter is soaked in a spirulina liquid contained in the photobioreactor and used for continuously detecting the pH value of the spirulina liquid, and the other end of the pH meter is connected to a switch of the peristaltic pump through a signal line. One end of the peristaltic pump isconnected to an alkaline solution storage container via a silica gel pipe, and the other end enters the spirulina liquid located inside the photobioreactor via a silica gel pipe. The peristaltic pumpcan convey an alkaline solution from the storage container to the photobioreactor, so that the pH value of the spirulina liquid is raised. When the pH value of the spirulina liquid reaches 11.0 or higher, the pH meter controls the switch of the peristaltic pump to be automatically off, so that the peristaltic pump stops conveying the alkaline solution from the storage container to the photobioreactor. According to the method, a large amount of carbon dioxide in the air can be absorbed and fixed. The method is also suitable for other spirulina varieties and basophilia microalgae varieties.

The invention provides a device and a method for removing nitrogen and carbon from sewage with high ammonia-nitrogen content and low carbon-nitrogen ratio. The device for removing nitrogen and carbonfrom the sewage with high ammonia-nitrogen content and low carbon-nitrogen ratio comprises a raw water tank, a denitrification and decarburization reactor, an after-decarburization intermediate watertank, a partial short-cut nitrification reactor, an after-nitrification intermediate water tank, an anaerobic ammoxidation reactor, an after-ammoxidation intermediate water tank and an ion exchange resin reactor which are connected through pipelines in sequence, wherein online concentration detection devices are arranged in the reactors, and water outlet valves are arranged at water outlet ends ofthe reactors; a pH probe, a DO probe and an aeration head are arranged in the partial short-cut nitrification reactor; the device further comprises a PLC (programmable logic controller). According tothe device, a carbon source in raw water is removed economically by denitrification reaction, aeration is not needed, energy is saved, and part of nitrate nitrogen and/or nitrite nitrogen can be removed while carbon is removed.

The invention discloses a soluble chitose pH probe and preparation method used as the acidic organelle detection. The probe is made by amination and the soluble chitose is connected with the 9-anthracene aldehyde, so the substituted degree of the pH probe is 0.2%-1.8%. The method is to solve the chitose into the distilled water and add the 9-anthracene aldehyde under room temperature then the reductant; after removing the impurity by dialysis and extraction, the mixture is freeze dried to get the probe. The new fluorescent quanta point can avoid the toxic of the organic solvent, so the probe has the widely applied future in cell identification, biological marking and the illness diagnose.