4results about How to "Increase density difference" patented technology

The present invention provides a particle collision disturbance type gas lift loop reactor, the reactor comprising: a reactor body; a draft tube with a sieve plate; particles, which can be suspended inside the draft tube when the reactor is running; a gas distributor; a main liquid distributor; a gas inlet; a liquid inlet; a gas outlet; and a liquid outlet. Compared with the traditional gas lift loop reactor, due to the turbulent disturbance of particles and fluid inside the draft tube of the reactor, it helps to prevent gas phase aggregation and increase liquid phase back mixing, so that the gas and liquid phases in the reactor are fully mixed, the solubility of the gas phase in the liquid phase and the gas-liquid contact area are increased, the mass transfer rate and heat transfer rate between fluids are improved, and at the same time, the temperature distribution in the reactor is uniform, which is conducive to gas-liquid two-phase reaction or gas-liquid-solid three-phase reaction, and can be widely used in gas-liquid two-phase or gas-liquid-solid three-phase chemical reaction processes.

This invention provides a collector for recovering platinum group metals (PGMs) from spent catalysts, its preparation method, and its application, belonging to the technical field of precious metal recovery. The collector comprises a copper matrix, a flux, a framework support, and a lattice activator: the copper matrix, flux, and lattice activator are loaded on the surface of the framework support; the copper matrix is ​​elemental copper or a copper-based compound; the flux is boric acid or a borate; the framework support is a porous inorganic material; and the lattice activator is tin, a tin alloy, or a metal sulfide. The collector serves as a collector for the pyrometallurgical recovery of PGMs from spent catalysts. This invention constructs a multi-component synergistic collector composed of a copper matrix, flux, framework support, and lattice activator, which significantly improves the recovery rate of PGMs, especially rhodium, from spent automotive exhaust purification catalysts in pyrometallurgical treatment, and reduces the smelting temperature required for pyrometallurgical treatment, thus significantly reducing energy consumption.

A gas-liquid separation device and method for industrial production of carbon dioxide reduction by electrolysis. The device includes a gas-liquid mixture inlet / outlet control unit, a heat exchange and cooling unit, and a gas-liquid mixture separation and sludge discharge unit. The gas-liquid mixture inlet / outlet control unit receives the gas-liquid mixture from the electrolysis reaction system and enables its directional flow. The heat exchange and cooling unit provides a heat exchange interface to absorb heat from the gas-liquid mixture flowing through its path, cooling the mixture from its initial reaction temperature to a preset temperature. The gas-liquid mixture separation and sludge discharge unit utilizes the density difference between the gas and liquid phases and gravity in the cooled mixture to cause the gas phase component to rise and be discharged, while the liquid phase component settles and accumulates at the bottom of the unit, thus achieving gas-liquid separation. The device is small in size and has standardized interfaces, facilitating direct coupling with large electrolytic cells.

The utility model provides a crude methyl ester glycerol layer continuous separation device which comprises a base, the top of the base is fixedly connected with a rack, and the top of the rack is fixedly connected with a settling tank. Mixed liquid is fed through the mixed liquid feeding pipe, the mixed liquid can enter the space between the multiple separation pipes, the actuator controls the electric heating wire to heat, the temperature ranges from 40 DEG C to 60 DEG C, then the separation pipes can heat the mixed liquid, and the temperature does not exceed 60 DEG C; and the motor works to drive a connecting plate to rotate through a first gear, a second gear, a magnet and a magnetic block, so that a separation pipe rotates, and the separation pipe is separated from the crude fatty acid methyl ester, so that the separation effect of the crude fatty acid methyl ester in the crude fatty acid methyl ester is improved. And the mixed liquid in the plurality of separation pipes can be thrown out through gaps among the plurality of separation pipes and enters the settling tank.