32results about How to "Increase the effective adsorption capacity" patented technology

The purpose of the present invention is to disclose a camptothecin separation and purification method, particularly a technology for preparing high-purity camptothecin by using diatomaceous earth filtration, membrane separation technology, macroporous adsorption resin column chromatography adsorption and chromatography column preparation integration purification. With the method of the present invention, the problems that the selectivity of extraction and adsorption on the target compound is low, the purity of the prepared camptothecin is not high, and the multiple extraction-recrystallization way has disadvantages of high organic solvent consumption, labor consuming, time consuming, poor economy, high industrial production and serious environmental pollution are solved.

A viscosity-reducing high-efficiency water-reducing polycarboxylate water-reducer and its preparation method, the water-reducer is composed of macromonomers such as isopentenol polyoxyethylene ether monomers, unsaturated hydroxy acid monomers or derivatives thereof, Or the unsaturated acid with trans structure is prepared by free radical polymerization under the action of reducing agent, oxidizing agent and chain transfer agent by intermittent dropping. The anchor groups and side chains in the water reducer of the present invention are block-distributed molecular structures, which can give full play to the electrostatic repulsion and steric hindrance effects; in addition, the hydroxyl groups introduced by unsaturated hydroxyacid monomers or their derivative monomers Polar groups such as carboxyl and carboxyl groups increase the proportion of hydrophilic groups and reduce the surface tension of the cement pore solution; in addition, the trans structure represented by fumaric acid and dihydroxy fumaric acid derivatives, due to its special The structure, that is, the rigidity of the monomer itself and its two carboxyl groups are distributed on the opposite side of the side chain, which makes it easy to show a stretched structure in space, reduces the possibility of molecular chain entanglement, and significantly increases the polycarboxylate superplasticizer. Adsorption on the surface of cement, thereby improving the viscosity-reducing effect of polycarboxylate superplasticizer.

The invention discloses a method for producing high-quality gasoline and diesel by catalyzing diesel oil. Oil and circulating hydrogen are mixed into II hydrofining reaction zone for reaction, and the reaction temperature is 30~120°C higher than I hydrofining reaction zone; (3) The resulting oil obtained in step (2) is cut into light components and heavy components; (4) The light components obtained in step (3) are mixed with circulating hydrogen into the hydroreforming reaction zone, and the resulting oil is separated to obtain gasoline fractions and diesel fractions; (5) The heavy components obtained in step (3) are mixed with circulating hydrogen Entering the hydroconversion reaction zone, the generated oil passes through the separation system to obtain gas, gasoline, and diesel fractions. (6) The gasoline obtained in step (4) is mixed with the gasoline obtained in step (5) to obtain a qualified gasoline product. Step ( The diesel oil obtained in 4) is mixed with the diesel oil obtained in step (5) to obtain a qualified diesel product. The method can produce high-quality fuel oil products, and at the same time, compared with other technologies, it has the characteristics of low chemical hydrogen consumption and flexible adjustment of product structure.

The invention discloses a processing method of catalytic diesel. Raw materials of the catalytic diesel are cut into light components and heavy components; the light components are subjected to a conversion reaction in a bed layer containing a light aromatic hydrocarbon hydro-conversion catalyst, and converted gasoline and converted diesel are obtained; the heavy components are subjected to a contact reaction with a heavy aromatic hydrocarbon hydro-conversion catalyst, and converted gasoline and diesel fractions are obtained; the diesel fractions obtained through conversion of heavy componentsare subjected to a contact reaction with a heavy aromatic hydrocarbon hydro-conversion catalyst, a reaction effluent is then subjected to a contact reaction with a light component hydro-conversion catalyst; the converted gasoline obtained from each part is mixed, and high-quality gasoline is obtained. Through the reasonable separation and processing process, different types of raw materials can beselectively and independently processed, so that the qualified gasoline product with high octane value can be produced through reasonable utilization of inferior catalytically cracked diesel.

The invention discloses a method for catalytic diesel hydrogenation conversion, which comprises the following steps: (1) high-aromatic catalytic diesel oil is mixed with circulating hydrogen and entered into I hydrorefining reaction zone for reaction; (2) the produced oil obtained in step (1) is mixed with Circulating hydrogen is mixed into II hydrofining reaction zone for further reaction, the reaction temperature is 30~120℃ higher than I hydrofining reaction zone, and the liquid hourly volume space velocity is 0.2~1.5h lower than I hydrofining reaction zone ‑1 ; (3) The generated oil obtained in step (2) is mixed with circulating hydrogen into the hydrocracking reaction zone for hydrocarbon hydroconversion reaction; (4) The generated oil obtained in step (3) is passed through a separation and fractionation system to obtain gas, light Naphtha, heavy naphtha, diesel fraction, part of the diesel is recycled back to the II hydrotreating reaction zone, and part of the diesel is sent out of the unit. The catalytic diesel hydrogenation conversion method provided by the method can effectively increase the production of aromatics.

The invention discloses microcrystal NaY-type molecular sieves and a preparation method thereof. In the microcrystal NaY-type molecular sieves, the molar ratio of SiO2 to Al2O3 is 4.0 to 6.0, and the average particle size is 100 to 700 nanometers. The microcrystal NaY-type molecular sieves are prepared by a method combining low-temperature synthesis directing agent, low-temperature synthesis gel and two-stage variable-temperature dynamic crystallization. The NaY-type molecular sieves have a relative crystallinity of over 80 percent after being roasted in the air at 600 DEG C for 3 hours or after undergoing hydrothermal treatment with vapor at 650 DEG C for 1 hour, as well as high thermostability and hydrothermal stability.

The invention discloses a processing treatment method of catalytic diesel oil. A catalytic diesel oil material is cut into a light component and a heavy component; the light component is subjected tohydrofining and hydroupgrading reactions and gasoline and diesel oil components are obtained; the obtained heavy component is separated, a triaromatic hydrocarbon component and a non-triaromatic hydrocarbon component are obtained, the obtained triaromatic hydrocarbon component is subjected to hydrofining and hydroconversion, and a gasoline component and a diesel oil component are obtained; a gasoline product is obtained after the two parts of gasoline are mixed, and a diesel oil product is obtained after the two parts of diesel oil components are mixed. Through reasonable separation and processing processes, different types of raw materials can be selectively and independently processed, so that inferior catalytic cracking diesel oil can be reasonably used to produce qualified gasoline anddiesel oil products can be produced by reasonably utilizing inferior catalytic cracking diesel oil.

The invention provides a low-temperature non-combustible cigarette oil carrier, which includes a plant fiber adsorption carrier that mainly absorbs smoke oil extracts and an inorganic material adsorption carrier that mainly absorbs plant essences. The plant fiber adsorption carrier and the inorganic adsorption carrier form a core. shell structure. The e-liquid carrier of the present invention uses a core-shell structure of plant fiber / inorganic porous material to adsorb e-liquid components of different viscosities, replacing the current method of directly using tobacco filling materials, and effectively improving the volatilization and mouthfeel uniformity of e-liquid.

The invention relates to an integral reactor for liquid-phase adsorption and solid-liquid separation, application of the integral reactor and a water treatment method. The reactor comprises a liquid-phase adsorption region, a solid-liquid separation region, a liquid inlet, feeding equipment, a flow guide assembly, a mixer, a collecting groove and a liquid collecting groove, wherein the liquid-phase adsorption region and the solid-liquid separation region are integrally formed; powder adsorption agent is fed; a mixed recycle flow passage is taken as the liquid-phase adsorption region; and water treatment is performed so as to realize high-efficiency separation of absorption agent and water and unpowered back flow and reutilization of the powder adsorption agent. The integral reactor has the beneficial effects of being high in adsorption efficiency, large in effective adsorption amount, high in solid-liquid separation efficiency, low in operating cost, good in outlet water quality, compact in equipment, simple and easy to operate, stable and reliable in running, and the like.

The invention discloses a method for producing aromatics by catalytic diesel hydrogenation conversion, which comprises the following steps: (1) high aromatics catalytic diesel oil is mixed with circulating hydrogen and enters I hydrorefining reaction zone for reaction; (2) the product obtained in step (1) Oil and circulating hydrogen are mixed into II hydrofinishing reaction zone for further reaction, the reaction temperature is 30~120℃ higher than I hydrofinishing reaction zone, and the liquid hourly volume space velocity is 0.2~1.5h lower than I hydrofining reaction zone ‑1 ; (3) The generated oil obtained in step (2) is mixed with circulating hydrogen into the hydrocracking reaction zone for hydrocarbon hydroconversion reaction; (4) The generated oil obtained in step (3) is passed through a separation and fractionation system to obtain gas, light Naphtha, heavy naphtha, diesel fraction, part of the diesel is recycled back to the II hydrorefining reaction zone, and part of the diesel is sent out of the unit; (5) The heavy naphtha fraction obtained in step (4) enters the aromatics extraction system to obtain aromatics products. The method provides a coupled hydrocracking-aromatics extraction process for processing catalytic diesel raw materials, which can effectively increase the production of aromatics.

An embodiment of the invention discloses a cleaning and finishing agent and an application method thereof. The cleaning and finishing agent comprises sodium gluconate, ammonium chloride, polyethylenepolyamine, lower alcohol, a non-ionic surfactant, an anionic surfactant and deionized water. Compared with a cleaning and finishing agent in the prior art, the cleaning and finishing agent has the advantages that the sodium gluconate, ammonium chloride, polyethylene playamine, lower alcohol, non-ionic surfactant, anionic surfactant and deionized water are used to treat the surface of a pore ring of a PCB board, and glass fiber exposed in the surface of the pore ring is cleaned through sodium gluconate and ammonium chloride; the surface of pore ring resin can be treated by polyethylene polyamine; pore walls can be wetted through the lower alcohol and non-ionic surfactant; the resin and glass fiber on the pore ring surface can be modified through the anionic surfactant to enable the surfaceof the pore ring to form high Zeta potential, effective adsorption capacity of a palladium activator is increased, backlight of electroless copper plating is improved, and the situation of hole-without-copper is reduced.

The invention discloses a processing treatment method of catalytic diesel. Raw materials of the catalytic diesel are cut into light components and heavy components; the light components are subjectedto hydrofining and hydro-conversion reactions, and gasoline and diesel components are obtained; the heavy components are separated, and a triaromatic hydrocarbon component and a non-triaromatic hydrocarbon component are obtained; the non-triaromatic hydrocarbon component is subjected to hydrofining and hydro-conversion, the triaromatic hydrocarbon component is subjected to hydrofining and hydro-conversion, and gasoline components and diesel components are obtained; a gasoline product is obtained after gasoline from all parts is mixed, and a diesel product is obtained after diesel components from all parts are mixed. Through the reasonable separation and processing process, different types of raw materials can be selectively and independently processed, so that qualified gasoline and dieselproducts can be produced through reasonable utilization of inferior catalytically cracked diesel.

The invention provides a slack coal pressure gasification wastewater resourceful treatment method. The treatment method sequentially comprises the following steps of: (1) performing oil-water separation on the wastewater to obtain wastewater after the oil-water separation treatment; (2) treating the wastewater obtained by the step (1) by use of active sludge, and performing mud-water separation to obtain wastewater after the active sludge treatment; (3) adding an adsorbent into the wastewater obtained by the step (2), and performing solid-liquid separation to obtain wastewater after the adsorption separation treatment; (4) adding a flocculating agent and / or flocculation aid into the wastewater obtained by the step (3), and precipitating to obtain wastewater after the coagulation clarifying treatment; and (5) treating the wastewater obtained by the step (4) by use of a filter material loaded with microorganisms to obtain dischargeable / recyclable water. The invention also provides a system for the method to realize resourceful treatment on the wastewater, and application of the treatment method or treatment system in treating slack coal pressure gasification wastewater.