6results about How to "Enhanced adsorption function" patented technology

The invention provides modified activated carbon for removing perchlorate in water of a sheep farm and a preparation method of the modified activated carbon, and relates to the field of water treatment.The method comprises the steps that activated carbon reacts in a citric acid aqueous solution, a carboxyl layer is evenly loaded on the surface of the activated carbon, and preliminarily modified activated carbon is obtained; reacting the primarily modified activated carbon in an alkaline polydimethyldiallylammonium chloride aqueous solution, and adsorbing strong cation quaternary ammonium salt on the surface of a carboxyl layer through electrostatic interaction to obtain re-modified activated carbon; the activated carbon modified again reacts in a triethylene tetramine aqueous solution, triethylene tetramine molecules are further combined to the strong cation quaternary ammonium salt through the electrostatic adsorption effect, the modified activated carbon for removing perchlorate in the water of the sheep farm is obtained, the adsorption capacity of the activated carbon to negatively charged solutes is remarkably enhanced, and the perchlorate in the water of the sheep farm is removed. The perchlorate treatment efficiency of the whole farm environment is improved.

The invention relates to the technical field of bentonite, in particular to a preparation method and equipment of composite bentonite loaded microorganisms, and the preparation method comprises the following steps: forming a core precursor, wrapping the outer side of the core precursor with a shell, then extruding to form a double-layer core-shell biochar bentonite composite precursor, and then introducing nitrogen to protect the double-layer core-shell biochar bentonite composite precursor so as to obtain graded porous carbon. Removing substances in macropores in the shell structure, and removing the washing solution through centrifugation and drying to obtain the double-layer core-shell biochar bentonite complex. And finally, uniformly adding the bacterial suspension to the surface of the double-layer core-shell biochar bentonite complex, uniformly mixing, inoculating, culturing in a dark place, and carrying out multiplication culture every 3 days to obtain the immobilized biochar bentonite composite particles. Therefore, loading of microorganisms and nutrient substances is improved through a double-layer shell-core structure, and the adsorption function on the material is increased.

The invention discloses a process method for selective deep desulfurization and denitrification of aromatic-rich fractions. The process method comprises the following steps: (1) mixing aromatic-rich diesel oil with hydrogen, and then feeding the mixture into a pre-hydrogenation reaction zone I for pre-hydrogenation dealkene reaction; (2) a product obtained in the step (1) enters a hydrofining reaction zone II for a hydrofining desulfurization and denitrification reaction; (3) carrying out flash evaporation on the product obtained in the step (2) to separate recycle hydrogen, enabling the obtained refined diesel oil to enter a moving bed adsorption denitrification reaction zone III, and carrying out deep adsorption denitrification reaction on the refined diesel oil under the action of an adsorption denitrification agent to obtain a desulfurized and denitrified refined aromatic-rich diesel oil component; and (4) enabling the inactivated adsorption denitrification agent in the step (3) to enter an adsorbent regeneration area IV, and completing reduction and drying of the inactivated adsorption denitrification agent under the action of a desorption agent to obtain the cyclically regenerated adsorption denitrification agent. According to the process method, deep removal of the sulfur-containing nitrogen-containing compound can be realized, and the investment cost is also greatly reduced.

The application provides a modified activated carbon for removing perchlorate in water for sheep farms and a preparation method thereof, relates to the field of water treatment, and the method carries out reaction on activated carbon in a citric acid aqueous solution, uniformly loads a carboxyl layer on the surface of the activated carbon, and obtains preliminarily modified activated carbon; carries out reaction on the preliminarily modified activated carbon in an alkaline polydimethyl diallyl ammonium chloride aqueous solution, and strong cation quaternary ammonium salt is adsorbed on the surface of the carboxyl layer through electrostatic action, thereby obtaining secondarily modified activated carbon; and carries out reaction on the secondarily modified activated carbon in a triethylenetetramine aqueous solution, so that triethylenetetramine molecules are further combined to the strong cation quaternary ammonium salt through electrostatic adsorption, thereby obtaining the modified activated carbon for removing perchlorate in water for sheep farms, the adsorption capacity of the activated carbon for solutes with negative charges is significantly enhanced, and the treatment efficiency of the overall farm environment on perchlorate is improved.

The utility model discloses a quick-change glasses leg, which relates to the technical field of glasses, and comprises a connecting end and a glasses leg end, the opposite ends of the connecting end and the glasses leg end are respectively provided with a slot and a plug or a plug and a slot, the plug is inserted into the slot, and the plug is inserted into the slot. The socket is characterized in that the plug and the slot are in clamping connection through marble buckles, and the marble buckles are symmetrically arranged on the upper side and the lower side of the plug and the upper side and the lower side of the slot. Disassembly and assembly can be completed within three seconds without tools, the structure is designed to be light and thin, wearing comfort and attractiveness are kept, connection stability is enhanced, spring pre-tightening force control and anti-falling design is adopted, a step positioning structure is adopted, meanwhile, a magnet adsorption function is added, reliable connection is ensured, and use stability is improved.

The present invention relates to the technical field of solid waste resource utilization, and a method for preparing a sinter-free high-reflectivity ceramsite with solidified heavy metals is provided, and the specific steps are as follows: slag, fly ash, carbide slag powder, sludge powder, shell powder and titanium dioxide are placed in a dry powder mixing and stirring machine in sequence to obtain a dry powdered mixture; a certain amount of dry powdered mixture is taken and placed in a disc granulator, and a mixed solution is sprayed on a ball core, and a dry powdered mixture and a mixed solution are repeatedly added to the disc granulator to obtain a spherical raw material; the spherical raw material is placed on a rolling disc, and an anti-radiation coating is sprayed to obtain a raw material ball with a spray thickness of 0.4-0.8mm; a super-hydrophobic surface with a thickness of 0.4-0.8mm is sprayed on the raw material ball to obtain ceramsite; ceramsite is cured in a water bath curing box and a curing room in sequence to obtain sinter-free ceramsite. The present invention excites slag and shell powder by physical activation, saline-alkali activation and thermal activation to prepare sinter-free ceramsite with solidified heavy metals and high reflectivity.