3results about How to "Rapid concentration" patented technology

This invention belongs to the field of inorganic catalyst materials and organic pollutant degradation technology, specifically relating to a Cu@ITGs confined microsphere catalytic material based on iron tailings, its preparation method, and its application in degrading organic matter. The method includes the following steps: mixing activated iron tailings powder and meta-high terephthalic acid to obtain a mixed dry powder; obtaining a composite alkali activator; weighing copper nitrate particles, dispersing them in ethanolamine for complexation, and slowly adding them to the composite alkali activator to obtain a mixed solution; adding the mixed dry powder to the mixed solution to synthesize a gel slurry; dripping the obtained gel slurry into polyethylene glycol-800 to form microspheres; and after fully curing and drying the microspheres, gradient calcining under a N2 atmosphere to obtain the confined catalytic material Cu@ITGs. This invention uses bulk industrial solid waste as the main raw material to prepare a multifunctional catalytic material with both high catalytic activity and excellent stability for use in wastewater treatment, realizing "waste-to-waste" treatment and high-value-added resource utilization of solid waste.

The utility model relates to the technical field of oxygen detection, and discloses a trace oxygen purity detection device which comprises an outer tube and a detection inner tube, and a platinum wire temperature sensor is wound outside the detection inner tube; the sealing structure comprises end cylinders and ribs, the two ends of the outer pipe are each provided with one end cylinder, the two end cylinders are fixedly provided with the multiple ribs, the ribs are attached to the exterior of the outer pipe, gas is fed into a cavity of the detection inner pipe through the gas feeding pipe, and the gas is mainly hydrogen generated by electrolyzing water and gas to be detected; hydrogen and oxygen react to release heat under the catalytic action of a catalyst, the platinum wire temperature sensor can absorb heat, bridge unbalance is triggered through changes of the platinum wire temperature sensor, an output voltage signal and the oxygen concentration are in a linear relation, and then the oxygen concentration is measured. The trace oxygen detection device is improved in the aspects of precision, speed and stability in a breakthrough manner, and is particularly suitable for the advanced manufacturing field with strict requirements on oxygen content control.

The present application relates to a kind of plant cultivation system and method comprising root microorganism, comprising: collection module, first detection unit, second detection unit, sterilization control unit and regulation unit.The harmful organism includes the first type of harmful organism with primary pathogenicity to the plant planted in cultivation system, secondary pathogenicity of the second type of harmful organism and tertiary pathogenicity of the third type of harmful organism, the regulation unit is configured as: when the detected harmful organism is the first type of harmful organism, control the sterilization control unit disinfects the cultivation system, wherein, when the category and concentration of first type of harmful organism exceed the first threshold, control the sterilization control unit with first disinfection mode disinfects the cultivation system;When the category and concentration of first type of harmful organism are lower than the first threshold, control the sterilization control unit with second disinfection mode disinfects the cultivation system.