6results about How to "Efficient desorption" patented technology

The invention belongs to the technical field of environmental protection, and discloses a method for rapidly and efficiently removing and recycling polycyclic aromatic hydrocarbon in water and a carbon-based adsorbent, the method comprises the following steps: S1, preparing a modified carbon-based adsorbent; s2, treating the polycyclic aromatic hydrocarbon pollutant wastewater; and S3, recycling the polycyclic aromatic hydrocarbon. According to the preparation method, H3PO4 or ZnCl2 is taken as an activating agent, and an activated carbon base material and an activating process are controlled, so that nano-micron multi-scale modified carbon-based adsorbent particles which are mainly prepared from a large number of long-strip-shaped gap mesopores which are communicated with one another and are approximately distributed in parallel and are auxiliary from a small number of discrete irregular groove-shaped mesopores are obtained; the long and narrow long-strip-shaped gap mesopores of the particle are matched with the irregular groove-shaped mesoporous structure, so that large-size polycyclic aromatic hydrocarbon can be quickly adsorbed and desorbed, and the balance of adsorption and desorption efficiency can be realized; on one hand, the adsorption and desorption efficiency of pollutants is improved, and on the other hand, the dosage of the adsorbent is greatly reduced.

The application provides a calcium-based particulate material-based carbon dioxide capturing system and a control method thereof, and the system comprises a reactor, a decomposition bin, a conveying branch and an input branch; the input branch inputs raw flue gas to the reactor; the conveying branch conveys calcium-based particulate material to the reactor by using heated flue gas; the reactor controls the internal temperature by selecting the input raw flue gas of the input branch, so as to control the progress of the adsorption reaction; and the decomposition bin controls the movement of the supporting plate by using mechanical action and air pressure action, so as to guide the flow of the material and control the progress of the desorption reaction. The application constructs a complete and ingenious heat circulation process and material circulation process, the circulation processes are connected with each other, the structure design is ingenious and practical, the energy utilization efficiency is improved, the energy consumption is reduced, the equipment maintenance cost and the energy procurement cost are reduced while the efficient adsorption and desorption of carbon dioxide are ensured.

The present application relates to geothermal water treatment technical field, disclose a kind of geothermal water water gas separation device, including tank body, tank cover being located at the top of tank body, inlet being located at the top of tank body, drain outlet being located at the bottom of tank body and exhaust port being located at the top of tank cover, further including multistage water collecting assembly being located in the middle of the inner cavity of tank body and resonance separation assembly being located in the inner cavity of tank body;Multistage water collecting assembly includes three groups of arc water collecting pipes being spaced apart along the axial direction of tank body and spiral water injection pipe being communicated with inlet;Resonance separation assembly includes umbrella-shaped water catcher being fixedly installed in tank cover, vertical rod being fixedly connected in the center of umbrella-shaped water catcher and extending downward, and three groups of floating units being arranged on vertical rod;The present application is provided with floating unit, so that conical screen disc produces continuous vibration when fluid impact, and the vibration forms shear force and local disturbance in fluid, which can break the stable state of micro-bubbles in water body, promote its desorption and collision coalescence.

The application discloses a variable-flow type purification device of a hydrogen purification adsorption tower and belongs to the technical field of hydrogen purification. The variable-flow type purification device of the hydrogen purification adsorption tower comprises a tower body, vacuum extraction pipes and gas inlet pipes are connected to the lower outer side of the tower body, an exhaust pipe is connected to the top of the tower body, first and second positioning screens are fixedly arranged on the inner side of the tower body, a fixing seat is fixedly installed on the upper inner side of the tower body, an elastic lifting connection is formed between the upper part of the fixing seat and a movable seat, a sealing plate is also fixedly installed on the upper inner side of the tower body, a rubber cylinder body for adjusting air pressure is fixedly connected between the movable seat and the sealing plate, and a flushing pipe is connected to the outer side of the upper part of the tower body. The variable-flow type purification device of the hydrogen purification adsorption tower can realize real-time regulation and control of the gas flow rate according to the purity of hydrogen purification, ensures the purification efficiency and the purity, and can realize efficient desorption in a combined manner, so that effective adsorption and purification of the adsorption tower are ensured.

The invention provides a hydrophobic deep-eutectic solvent as well as a preparation method and application thereof, and belongs to the field of analytical chemistry. The hydrophobic deep-eutectic solvent is composed of a hydrogen bond acceptor and a hydrogen bond donor according to the molar ratio of 1: 1-2: 1, the hydrogen bond acceptor is selected from one of decanoic acid and lauric acid, the hydrogen bond donor is 2-hexyl-1-decanol, and the preparation method of the hydrophobic deep-eutectic solvent comprises the steps that the hydrogen bond acceptor and the hydrogen bond donor are mixed according to the molar ratio of 1: 1-2: 1 and stirred at the temperature of 90-100 DEG C, and the hydrophobic deep-eutectic solvent is obtained. The mixture is stirred until homogeneous liquid is formed, and the hydrophobic deep-eutectic solvent is obtained. According to the hydrophobic deep-eutectic solvent and the preparation method and application thereof, the problems that an existing absorbent for alkane VOCs treatment is low in absorption efficiency, poor in regeneration performance, poor in environmental protection property and insufficient in industrial adaptability can be solved.

The invention discloses an axial flow type air duct assembly and an axial flow type blower, and belongs to the field of axial flow fans. Comprising an axial flow fan outer sleeve shell, an asynchronous induction motor, an impeller fan, a heat conduction mechanism and an adsorption mechanism, air guide outer notches are fixedly formed in the sides, facing the impeller fan, of outer disc sleeve shells, a set of cylindrical sleeve shells are movably installed at the inner axis position of each outer disc sleeve shell, and the cylindrical sleeve shells are embedded in an air duct shell through adsorption units distributed circumferentially; and airflow generated by the impeller is used for driving the cylindrical sleeve shell to rotate, so that periodic switching between the adsorption cavity and the regeneration cavity is realized. And when the cavity on one side continuously adsorbs moisture and VOCs, the cavity on the other side performs desorption regeneration by virtue of waste heat of the motor. And the service life of the active material is remarkably prolonged through an adsorption regeneration cycle mechanism, the stable purification efficiency can be maintained especially in a high-temperature and high-humidity environment, and the technical problems of pore blockage and frequent replacement of the filter material in a traditional scheme are solved.