11results about How to "Improve mineralization" patented technology

The invention discloses an improved efficient turbulent flow microbubble flotation device for feeding and discharging materials. Comprising an outer cylinder, an inner cylinder arranged in the outer cylinder, a stirring mechanism arranged in the outer cylinder, a feeding mechanism used for conveying raw materials into the inner cylinder, a concentrate tank located on the upper portion of the outer cylinder, a countercurrent mineralization mechanism arranged in the inner cylinder and a tailing separation mechanism connected to the bottom of the inner cylinder. Through cooperation of the sawtooth disc self-suction dispersion impeller and the false bottom structure, local area circulation can be formed, the elution effect on the surfaces of coarse particles can be enhanced, meanwhile, dispersion of heterogeneous fine silt is facilitated, and the purity of tailings is further ensured; according to the method, the flotation efficiency can be improved, and the energy consumption is greatly reduced; due to the design of the sawtooth disc self-suction dispersion impeller, gas is allowed to enter in a self-suction mode, and energy consumption of traditional air compression equipment is avoided. According to the sawtooth disc self-suction dispersion impeller, suction force brought by the vacuum effect generated by rotation of the impeller can be improved, and suction of more air is promoted.

The invention discloses a microorganism for degrading a nitrogen-containing heterocyclic compound and application of the microorganism in wastewater treatment, and belongs to the technical field of wastewater treatment. The microorganism is Rhodococcus pyridinivorans Rho48 screened from activated sludge of a membrane bioreactor of a tin-free municipal sewage treatment plant, has broad spectrum, and can be used for degrading and mineralizing a plurality of nitrogen-containing heterocyclic compounds such as indole, quinoline, benzothiazole or pyridine. The bacillus subtilis can be used in combination with Rhodococcus ruber Rho4, the bacillus subtilis and the Rhodococcus ruber Rho4 can form a composite flora, and the degradation and mineralization effects on nitrogen-containing heterocyclic compounds, especially indole, can be further improved. The Rho48 can degrade and mineralize at least three nitrogen-containing heterocyclic compounds including quinoline, benzothiazole or pyridine regardless of whether the Rho48 is used alone or in combination with Rho4, so that the Rho48 has more selectivity when being used for treating nitrogen-containing heterocyclic compound wastewater, especially composite pollution wastewater containing multiple nitrogen-containing heterocyclic compounds at the same time.

According to the water dispenser with the ultrahigh water level detection function, a water level detection assembly is arranged in a waterway system, and a water storage cavity, a high water level detection structure and an ultrahigh water level detection structure are arranged on the water level detection assembly, so that a dual water level detection structure is conveniently formed; and it is ensured that overflow or other safety problems caused by the too high water level cannot occur in the water taking process of a user or the operation process of equipment. The control main board and the high water level detector form a high water level detection loop, and the control main board and the ultrahigh water level detector form an ultrahigh water level detection loop, so that the control main board can respectively monitor the on-off state of the high water level detector and the on-off state of the ultrahigh water level detector; a signal for stopping water inflow is sent to the control main board; if the high water level detector fails, the water level continues to rise to trigger the ultrahigh water level detector, and the control mainboard sends a signal for stopping water inflow, so that the control mainboard is matched with the water level detection assembly to perform double guarantee of water overflow prevention.

The invention discloses a beneficiation method for improving the nickel recovery rate of high-content talc nickel sulfide ore. The beneficiation method comprises the following steps that A, raw materials are pretreated; b.1, a roughing process: feeding the ore pulp A3 obtained in the step A.3.1 into a roughing flotation machine to carry out roughing operation for four times; b.2, the roughing concentrate B1 obtained in the step B.1 is fed into a stirring tank, and 280 g / t of CMC, 550 g / t of water glass and 50 g / t of butyl xanthate are added; c.1, primary fine selection; c.2, carrying out secondary fine selection; c.3, third-time concentration: feeding the secondary concentrate product C3 into a flotation machine for third-time concentration, adding water to adjust the concentration of ore pulp to 12-15%, filling 3122 Am < 3 > / h into the ore pulp, and carrying out flotation for 10-12 minutes to obtain a third-time concentrate product C5 and third-time concentration tailing products C6 and C5 which serve as final concentrates to be concentrated and filtered for sale; and the third-time concentration tailing product C6 is fed into the step C.2.

The application discloses a stable and efficient inflatable mine flotation machine, which comprises a flotation column, a feeding mechanism, an inflation pump, a gas supplement mechanism, an aeration mechanism, a flow guide mechanism and a mixing mechanism. The feeding mechanism comprises a slurry pump and a mixing cylinder. The slurry pump is fixedly installed on the upper side of a mounting beam, and the mixing cylinder is fixedly installed on the middle part of the mounting beam. The slurry pump is in communication with the inside of the mixing cylinder and is used for realizing stable conveying and preliminary mixing of slurry. The gas supplement mechanism comprises a gas supplement pump, a gas distribution pipe and a gas distribution hole. A separate inflation pump primary gas supply structure and a gas supplement mechanism secondary gas supplement structure are arranged to form a multi-stage gas mixing system in cooperation with the internal mixing mechanism of the mixing cylinder. The inflation pump precisely supplies air through the inflation cover and the air inlet hole opposite the jet area of the slurry nozzle, and realizes primary negative pressure air mixing by using the high-speed jet negative pressure of the slurry. The gas supplement pump realizes circumferential uniform secondary air supplement in cooperation with the annular gas distribution pipe, the gas distribution hole and the gas guide cover, and avoids air floating and escaping.

This utility model belongs to the field of mineral flotation technology, and in particular relates to a mineralization device based on Bernoulli's principle, including a flotation column and a circulating sand pump, and a variable diameter mineralization pipe connecting the outlet of the flotation column and the circulating sand pump. The variable diameter mineralization pipe includes a premixing section fixedly connected to the outlet section of the circulating sand pump, a mineralization section fixedly connected to the end of the premixing section via a contraction cone section, and a buffer section fixedly connected to the end of the mineralization section via an expansion cone section. An annular air distributor is provided in the middle of the premixing section, including an annular cavity and circumferentially uniformly distributed micropores. An adjustable injection mechanism is provided at the outer end of the mineralization section, which automatically draws in reagents and injects them into the slurry using the negative pressure zone in the mineralization section. The buffer section is equipped with a dual-point reflux system, and the external circulation reflux pipe connects the buffer section and the contraction cone section. This device effectively avoids clogging problems and improves the contact efficiency between bubbles and minerals by combining the pressure gradient generated by Bernoulli's principle with circulation enhancement, thereby improving the mineralization effect.

The present application relates to the oilfield wastewater treatment and resource recycling technical field, disclose a kind of oilfield wastewater collaborative oxidation treatment method, comprising the following steps: the oilfield wastewater to be treated is introduced into flocculation reaction tank, and polyaluminium chloride is added to the oilfield wastewater to be treated, and after wastewater pH is adjusted, stirring is carried out, so that suspended oil, emulsified oil, colloidal particles and polyaluminium chloride hydrolysis product in wastewater collide, destabilize, coagulate, and form floc.The present application is coupled by micro-nano bubble enhanced air floatation and electroflocculation-ozone-hydrogen peroxide depth, so that the oilfield wastewater to be treated is sequentially subjected to flocculation, air-type micro-nano bubble air floatation, electroflocculation-ozone-hydrogen peroxide collaborative deep oxidation and standing precipitation treatment, which can eliminate the need for separate oxidation unit, simplify the process flow and improve the integration of the treatment process.

The present invention discloses a microorganism for degrading nitrogen-containing heterocyclic compounds and its application in wastewater treatment, belonging to the technical field of wastewater treatment. The microorganism is Rhodococcus pyridinophilus ( Rhodococcus pyridinivorans ) Rho48 has a broad spectrum and can degrade and mineralize a variety of nitrogen-containing heterocyclic compounds including indole, quinoline, benzothiazole or pyridine. It can also be combined with Rhodococcus erythrocytes ( Rhodococcus red ) and Rho4, the two can form a composite bacterial community, which can further improve the degradation and mineralization effect of nitrogen-containing heterocyclic compounds, especially indole. Whether Rho48 is used alone or in combination with Rho4, it can degrade and mineralize at least three nitrogen-containing heterocyclic compounds including quinoline, benzothiazole or pyridine, making it more selective in treating wastewater containing nitrogen-containing heterocyclic compounds, especially complex polluted wastewater containing multiple nitrogen-containing heterocyclic compounds.

The invention belongs to the technical field of biological medicines, and particularly relates to application of atrial natriuretic peptide (ANP) in preparation of a medicine for improving bone metabolism related diseases. Research finds that ANP promotes osteogenic differentiation related genes to be up-regulated, the ALP activity is remarkably improved, and mineralized nodule formation is enhanced; the result shows that ANP can promote osteogenic precursor cells to be differentiated into osteoblasts and increase mineralization ability. As a novel candidate factor for treating osteoporosis, the atrial natriuretic peptide ANP can improve osteoporosis by promoting osteogenic differentiation of osteogenic precursor cells.

The invention belongs to the technical field of environmental engineering, and discloses preparation and application of a MoSe2 quantum dot loaded titanium black nanotube array photo-anode. The excessive elementary substance Se forms MoSe2 at a defect site, and simultaneously participates in regulation and control of a heterojunction interface electric field, optimizes charge distribution at a Ti < 3 + > site, reduces the trend of conversion to a high valence state in a catalysis process, and improves the catalytic stability of a system. In the catalytic reaction process, the confinement effect generated by TiO2NTA on MoSe2QD and the charge transfer effect mediated by an interface electric field can cooperatively regulate and control the migration and conversion path of electrons in the system, the reaction energy barrier generated by active species is reduced, and the generation amount of the active species in the system is effectively increased. The preparation method of the electrode material is simple, large-scale production is easy, existing electrochemical equipment is simply transformed, an electro-oxidation anode material is replaced, a photoelectric catalytic degradation device can be constructed by arranging a waterproof LED light source at a photoanode of the device, and the transformation cost is saved.

The invention relates to the technical field of side slope treatment, in particular to a side slope reinforcing device and method based on microbial mineralization, which comprises a bracket, and the bracket is provided with a liquid injection assembly for injecting a bacterial liquid and a cementing liquid, a temperature measurement assembly for detecting temperature and a receiving assembly for receiving the bacterial liquid and the cementing liquid. The liquid injection assembly comprises a controller and a plurality of liquid injection pieces used for conveying liquid, and the controller is used for controlling the liquid injection pieces to operate. The output end of the liquid injection part is communicated with a plurality of bacterium injection needle heads for conveying bacterium liquid and a plurality of grouting needle heads for conveying cementing liquid, flow regulating valves are arranged at the communicating positions of the bacterium injection needle heads and the liquid injection part and the communicating positions of the grouting needle heads and the liquid injection part, and the input end of the liquid injection part is communicated with a liquid storage barrel; the liquid injection pieces are fixedly connected to the outer side walls of the lower portions of the liquid storage barrels, and openings are formed in the tops of the liquid storage barrels. The flow of the bacterial liquid and the cementing liquid is adjusted according to real-time temperature feedback, so that microorganisms are maintained to react at the optimal working temperature, and the mineralization effect and the soil reinforcement quality are improved.