150 results about "Sumanene" patented technology

The invention provides haematococcus alternatus and application thereof. The classification of the haematococcus alternatus is named as Alterrythrobacter sp. H2, and the classification of the haematococcus alternatus is named as Alterrythrobacter sp. The preservation unit is China General Microbiological Culture Collection Center (CGMCC); the address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing; the preservation date is July 29, 2024, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.31487. The alternated red bacillus provided by the invention can degrade various polycyclic aromatic hydrocarbons under various environmental conditions of high salt, high temperature, low temperature, acidity, alkalinity, chromium combined pollution, arsenic combined pollution and the like.

The present application relates to fluorescent material technical field, especially based on benzopentacyclic / septacyclic structure's carbonyl nitrogen type fluorescent material and its preparation method, the present application provides the preparation method with carbazole as raw material, in the synthesis process, the aldehyde group precursor is directly oxidized to acid by using strong oxidant, then the intermediate is made to occur intramolecular Friedel-Crafts reaction by acid catalyst, finally the carbonyl / nitrogen type fluorescent material of inlaid non-benzene structure is synthesized.This structure inhibits molecular relaxation through multiple resonance effect, and then realizes narrow band emission characteristics.At the same time, the structure retains higher photoluminescence quantum yield.The carbonyl nitrogen type fluorescent material based on benzopentacyclic / septacyclic structure provided by the present application is different from the existing all benzene type polycyclic aromatic hydrocarbons, so as to effectively widen the molecular system of carbonyl / nitrogen type narrow band light emitting material.

The invention belongs to the field of polluted soil remediation materials in agricultural environment technology, and particularly discloses a preparation method and application of a composite material for adsorbing and degrading polycyclic aromatic hydrocarbon in soil. The preparation method of the composite material comprises the following steps: co-pyrolyzing the oily sludge and the straws to generate pyrolytic carbon, and loading humic acid to obtain the composite material. The pyrolytic carbon humic acid composite material prepared by the invention is used for adsorbing and degrading polycyclic aromatic hydrocarbon in soil, compared with only pyrolytic carbon or humic acid, the composite material has a better degradation effect, the material preparation process is simple and efficient, the cost is low, and meanwhile, the purposes of improving soil and treating waste with waste are achieved.

The invention discloses a method for determining anthracene and phenanthrene oxides and polycyclic aromatic hydrocarbon pollutants in tea leaves, and belongs to the technical field of tea leaf component determination, by using the method, whether a tea leaf sample contains anthraquinone, phenanthrenequinone, multiple polycyclic aromatic hydrocarbons and other pollutants can be accurately determined at the same time, and quantitative analysis can be performed. The method has the characteristics of high detection efficiency, accurate analysis result and good repeatability; comprising the following steps: S1, respectively taking reference substances to prepare reference substance stock solutions with different numbers, taking a blank tea reference substance, and carrying out extraction, magnetic separation, extraction and elution to obtain a blank matrix extracting solution; s2, taking each reference substance stock solution, respectively preparing reference substance solutions with different numbers by using a blank matrix extracting solution, and sequentially putting the reference substance solutions into a gas chromatograph-tandem time-of-flight mass spectrometer for determination to obtain spectrum information of each reference substance; and S3, collecting data information of each reference substance from the map information of each reference substance, and then establishing a comparison database.

Provided is a blue light emitting organic EL device having high emission efficiency and a long lifetime. This organic EL device includes one or more light emitting layers between an anode and a cathode opposite to each other, wherein at least one of the light emitting layers includes a first host selected from indolocarbazole compounds, a second host selected from the compounds represented by the following general formula (2), and, as a light emitting dopant, a polycyclic aromatic compound represented by the following general formula (3) or a polycyclic aromatic compound represented by the general formula (3) as a substructure, wherein Y4 is B, P, P═O, P═S, Al, Ga, As, Si—R4 or Ge—R5, and X4 is O, N—Ar4, S or Se.

This application discloses a negative curvature polycyclic aromatic hydrocarbon containing an eight-membered ring, its synthesis method, and its application, belonging to the field of organic synthesis. The synthesis method uses a haloacenaphthene derivative as a starting material. First, a tetrahalogenated key intermediate containing an eight-membered ring is constructed via a titanium tetrachloride-catalyzed cyclization tetramerization reaction. Subsequently, this intermediate undergoes a cyclization coupling reaction with an alkyne compound in the presence of a palladium catalyst, silver salt, and phosphine ligand to generate a negative curvature polycyclic aromatic hydrocarbon containing an eight-membered ring. The synthesis method of this application avoids multi-step precursor synthesis, resulting in a concise process. It allows for the flexible introduction of functional groups such as trifluoromethyl and silyl groups, improving the solubility and processability of the material. The obtained product exhibits a non-planar configuration, a narrow optical band gap, and excellent electron transport properties, making it suitable for applications... n Applications include semiconductors, chiral optoelectronic materials, and nano-carbon materials.

The invention relates to the technical field of organic pollution treatment, in particular to a lignin grafted graphene oxide quantum dot material, a preparation method thereof and a polycyclic aromatic hydrocarbon degradation method, and the material is prepared by grafting reaction of alkaline lignin and graphene oxide quantum dots under alkaline conditions. When the strain is applied to degradation of polycyclic aromatic hydrocarbon, the strain and a Microbacterium sp.W1-2 strain with the preservation number of CGMCC (China General Microbiological Culture Collection Center) NO.35223 form a synergistic degradation system. The material can significantly promote thallus growth, enhance pollutant interface mass transfer and bioavailability, and realize efficient degradation in a dark environment without photocatalysis. Experiments show that under the condition that the initial concentration of benzo [a] pyrene is 5000g / L, by adding the material, the degradation rate within 6 hours can be increased to 651.4 g / h, which is increased by 2.9 times compared with that of a single strain; and the removal rate within 72 hours reaches 86.4%. The method has the advantages of being high in degradation efficiency, short in period, high in environmental adaptability, independent of illumination and the like, and is suitable for rapidly repairing the polycyclic aromatic hydrocarbon in the industrial wastewater.

The invention relates to the technical field of environmental remediation microorganisms, and discloses a mixed polycyclic aromatic hydrocarbon degrading bacterium G3 suitable for variable environments and application thereof. The bacterial strain is pseudoxanthomonas sp. G3, and is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC M 20251828. The strain G3 is enriched and separated from soil of a certain coking plant in Beijing, can utilize polycyclic aromatic hydrocarbons such as acenaphthene, fluorene, phenanthrene, fluoranthene and pyrene as a single carbon source, and can simultaneously degrade acenaphthene, fluorene, phenanthrene, fluoranthene and pyrene mixtures within 14 days, so that the degradation rate of each component is not lower than 70%; good growth and degradation activity are maintained under the conditions that the temperature is 20-37 DEG C, the salinity is 0-4% NaCl and the pH value is 5.0-9.0, and the degradation rates can reach 100% and 84.15% respectively after the strain is cultured in a single carbon source culture solution with the initial concentration of phenanthrene and pyrene being 50 mg.L <-1 > for 7 days; after the polycyclic aromatic hydrocarbon aging polluted soil is cultured for 28 days, the mixed polycyclic aromatic hydrocarbon in the soil can be effectively removed. According to the invention, the technical bottlenecks of poor environmental adaptability and low mixed pollutant degradation efficiency of the existing degrading bacteria are solved. Therefore, the strain has good application potential in the aspect of bioremediation of the polycyclic aromatic hydrocarbon polluted environment.

The objective is to provide a condensed polycyclic aromatic compound that serves as an organic photoelectric conversion material with excellent external quantum yield (EQE), dark current, and response speed when used as a photoelectric conversion element, as well as a material for a photoelectric conversion element, an organic thin film, and an organic photoelectric conversion element using the same. [Solution] The following formula (1) provides a condensed polycyclic aromatic compound. [Formula 1] TIFF2026071189000011.tif21170

The application discloses a coal pyrolysis method and device for realizing in-situ ring-enriching modification of tar, and the method is as follows: block coal is pyrolyzed to obtain coal tar, semi-coke and pyrolysis gas; the coal tar and a ring-enriching modifier are subjected to in-situ ring-enriching modification reaction in a coal pyrolysis device under hydrogen to obtain coal tar; the in-situ ring-enriching modification reaction temperature is 200-250 DEG C, and the reaction pressure is 101-120 KPa.The coal tar obtained by the method is rich in polycyclic aromatic hydrocarbons and is suitable for being used as a processing raw material of high-density fuel.The device introduces the ring-enriching modification reaction on the basis of the coal pyrolysis, so that the coal tar is subjected to in-situ ring-enriching modification in the pyrolysis, and the obtained coal tar is more suitable for being used as the processing raw material of the high-density fuel.The pyrolysis device has the characteristics of low cost and low heat loss.

Systems and methods are provided for ozonolysis of polycyclic aromatic hydrocarbons (PAHs) in a liquid CO2 reaction environment. It has been unexpectedly discovered that oxygen-containing functional groups can be added to PAH substrates while substantially avoiding combustion reactions and while reducing or minimizing formation of energetic intermediates. Because the formation of energetic intermediates is minimal, the ozonolysis can be performed at temperatures near ambient (e.g., between −10° C. and 50° C.) while still achieving a satisfactory safety profile. In various aspects, ozonolysis can occur while forming a reduced or minimized amount of water, such as forming substantially no water in the reaction environment.

The invention relates to the technical field of nano materials, and discloses a green preparation process of a few-walled carbon nanotube and a tail gas recovery treatment method, a sol-gel combustion method is adopted to prepare a Fe-Mo / MgO catalyst, and isopropanol and a modified solvent containing thiophene and polycyclic aromatic hydrocarbon are utilized to form a self-regulation precursor. In the reaction, isopropanol generates hydroxyl radicals in situ to etch amorphous carbon, and polycyclic aromatic hydrocarbon provides a nucleation template to accurately regulate and control the number of layers of the pipe wall; and through cooperation with hydrogen atomization feeding, nozzle coking is effectively inhibited. Aromatic hydrocarbon components in reaction tail gas are captured through an absorption tower, stable solvent quality is maintained and closed-loop circulation is realized through on-line density monitoring and side line pollution discharge, and hydrogen and methane are recovered from purified gas through a membrane separation system. According to the method, the purity, the crystallinity and the few-wall ratio of the product are remarkably improved, and the efficient utilization of all components of the raw materials and the long-period stable operation of the device are realized.

The invention provides a preparation method and device of a polycyclic aromatic hydrocarbon oligomer, and the preparation method comprises the following steps: 1) carrying out polymerization reaction on raw materials comprising a polycyclic aromatic hydrocarbon compound, an acidic ionic liquid catalyst and a solvent to obtain a reaction system; 2) carrying out extraction treatment on the reaction system by adopting an extraction agent to obtain an extraction phase containing a polymer and a raffinate phase containing an acidic ionic liquid catalyst; the solvent and the extracting agent respectively and independently comprise at least one of benzene and benzene homologues. The preparation method can significantly reduce the usage amount of acid liquor or alkali liquor, and is beneficial to environmental protection; according to the preparation method, the catalyst cannot be inactivated, the catalyst can be repeatedly used, and the industrial cost is effectively reduced.

This invention discloses a benzo[a]pyrene-degrading fungus, *Nigrospora osmanthi* DL-7, for use in petroleum-contaminated soil, along with its inoculum and applications. This invention domesticated, isolated, and identified a benzo[a]pyrene-degrading strain, *Nigrospora osmanthi* DL-7, from petroleum-contaminated soil in Ningbo. DL-7 can utilize benzo[a]pyrene as a carbon source, even at an initial benzo[a]pyrene concentration of 25 mg·L⁻¹. ‑1 After culturing in an inorganic salt broth for 7 days, the pure DL-7 strain achieved a degradation rate of over 85% for benzo[a]pyrene. When prepared as a bacterial agent, the degradation rate of benzo[a]pyrene could be increased to over 90%. Therefore, this strain and its bacterial agent have good application potential in the bioremediation of polycyclic aromatic hydrocarbons.

The invention relates to the technical field of water pollution remediation, and discloses a composite accelerant for accelerating microorganisms to degrade polycyclic aromatic hydrocarbons as well as a preparation method and application of the composite accelerant. The composite accelerant contains low-molecular-weight organic acid and ferric salt at the same time. The method for degrading the polycyclic aromatic hydrocarbon by the microorganisms comprises the step of culturing the microbial agent in an inorganic culture medium containing the polycyclic aromatic hydrocarbon and the composite accelerant. The iron and organic acid composite accelerant microbial method provided by the invention is simple in process, environment-friendly and efficient, and by utilizing the composite accelerant, the extracellular and intracellular enzyme generation of microorganisms can be improved, and the microbial degradation process of polycyclic aromatic hydrocarbon is enhanced. According to the method for promoting phenanthrene degradation through microbial stimulation, more efficient degradation is achieved, and the polycyclic aromatic hydrocarbon degradation process can be completed in a short time.

The application discloses a heating transmission device suitable for in-situ detection of ultrahigh-temperature pyrolysis reaction, comprising a heating pipe and an adjusting assembly; a sample outlet end of the heating pipe is connectable to a detection device; the heating pipe is divided into a low-temperature zone, a high-temperature zone and an annealing zone; a first water-cooled electrode is arranged outside the low-temperature zone; and a second water-cooled electrode is arranged outside the annealing zone; the adjusting assembly comprises a guide rail and a sliding block; and the sliding block is connected with the first water-cooled electrode or not. The application forms a variable-diameter and variable-temperature zone through combination design of the heating pipe and the water-cooled electrode, guarantees contact between the heating pipe and the protective electrode, builds a relatively slow and uniform temperature gradient in the annealing zone, guarantees generation and dispersion of product molecules and improves transmission efficiency of macromolecular compounds. The application is convenient to connect with a mass spectrometer, can realize in-situ analysis of ultrahigh-temperature pyrolysis reaction and solves the problem that macromolecular products such as polycyclic aromatic hydrocarbons, fullerenes and the like cannot be detected in-situ due to aggregation caused by intermolecular forces in the pyrolysis reaction.

The application discloses a method for promoting polycyclic aromatic hydrocarbon degradation in sludge composting. Natural vermiculite powder is used in the composting process to degrade polycyclic aromatic hydrocarbons in compost fertilizer by using the catalytic performance. The advantages are as follows: waste mushroom residue is used as a bulking agent and a source of inoculant, and powdered natural vermiculite is used as a catalyst, so that the humification of sludge-waste mushroom residue compost and the reduction of room temperature gas emission are promoted, and the degradation efficiency of polycyclic aromatic hydrocarbons in the sludge composting process is greatly improved.

The invention relates to the technical field of pollutant emission evaluation, in particular to a polycyclic aromatic hydrocarbon emission and environmental health evaluation method based on a carbon emission scene. According to the method provided by the invention, the energy activity data under different scenes are constructed through the multi-climate comprehensive evaluation model GCAM-China, the polycyclic aromatic hydrocarbon emission lists under various carbon emission scenes are constructed based on the energy activity data under different scenes and the polycyclic aromatic hydrocarbon emission factors, and the polycyclic aromatic hydrocarbon emission lists under various carbon emission scenes are constructed based on the polycyclic aromatic hydrocarbon emission lists under various carbon emission scenes. And outputting a pollutant concentration space-time distribution diagram under multiple scenes, and based on the pollutant concentration space-time distribution diagram under multiple scenes, evaluating collaborative emission reduction benefits of climate policy implementation on pollution control and health improvement. The method can realize quantitative evaluation of carbon dioxide and polycyclic aromatic hydrocarbon cooperative emission reduction benefits, environmental medium concentration simulation and crowd health risk priority identification under different climate policy paths, and breaks through the limitation of a traditional method in the aspect of systematic evaluation.

A polycyclic aromatic compound according to the present invention has a structure composed of one or two or more structural units represented by formula (1). In the polycyclic aromatic compound of the present invention, a carbazole ring and a benzofuran ring or benzothiophene ring represented by formula (b) and the like are fused on a central parent skeleton containing Y1 (for example, B) and nitrogen (N) in formula (1), and at least one of RNY1 to RNY3 has a group represented by formula (a).

The application discloses an intelligent full-state polycyclic aromatic hydrocarbon (PAHs) passive sampling monitoring system for individual exposure assessment and source analysis, and belongs to the technical field of environmental pollution monitoring. The intelligent full-state PAHs passive sampling monitoring system comprises a smart passive sampling unit to be worn; an environment perception and positioning unit for collecting space-time information and environmental information; a data processing and communication unit for processing, storing and transmitting the data collected by the environment perception and positioning unit; a full-state PAHs analysis unit for laboratory analysis of the collected samples; and a data analysis cloud platform for receiving the data transmitted by the data processing and communication unit, calculating individual exposure doses and performing preliminary analysis of pollution sources. The intelligent full-state PAHs passive sampling monitoring system deeply integrates a standardized full-state passive sampler, multi-parameter environment perception, accurate positioning tracking, wireless data transmission and cloud intelligent analysis, can realize accurate assessment of individual full-period and full-path PAHs exposure, and can quickly provide an intelligent monitoring of preliminary clues of pollution sources.

Organic compound represented by the general formula (G1), where in the formula: Q Oxygen or sulfur; A 1 and A 2 each independently of each other a substituted or unsubstituted polycyclic aromatic hydrocarbon; m is an integer from 0 to 4; n is an integer from 1 to 4; and R 1 to R 12 Each independently of one another hydrogen, an alkyl group with 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group with 3 to 7 carbon atoms, or a substituted or unsubstituted aryl group with 6 to 13 carbon atoms.

The utility model relates to the technical field of water body detection, in particular to a system for measuring polycyclic aromatic hydrocarbon in water body, which comprises a sampling device, a liquid-liquid extraction purifier and a liquid chromatograph, the sampling device comprises a collecting barrel, a piston rod is connected inside the collecting barrel, a hand wheel is fixedly connected to the top of the piston rod, and the liquid chromatograph is fixedly connected to the top of the piston rod. A collecting head is connected to the lower portion of the collecting cylinder, the liquid chromatograph comprises a chromatograph body, a hydraulic pump, a chromatographic column and a detector are further arranged in the chromatograph body, the liquid-liquid extraction purifier comprises an extraction main machine, a funnel support is arranged above the extraction main machine, and the funnel support is connected with the liquid chromatograph body. A plurality of second liquid storage devices are installed on the funnel support, sample injectors are connected to the upper portions of the second liquid storage devices, separating funnels are connected to the lower portions of the second liquid storage devices, and the whole measuring process ensures the measuring accuracy and reliability.

This invention relates to an additive for thermal desorption of polycyclic aromatic hydrocarbon (PAH) contaminated soil and its preparation method. It utilizes a composite oxide of manganese, rare earth metals, and transition metals to oxidize PAHs into low-carbon molecules during thermal desorption, achieving efficient removal, lowering the thermal desorption temperature, and saving energy consumption. The lower thermal desorption temperature reduces the loss of organic matter in the soil, facilitating the secondary use of the treated soil. The prepared composite oxide has a hollow spherical structure, which promotes sufficient contact and rapid reaction between PAHs and the composite oxide. The doping of transition metal elements into the manganese oxide and cerium oxide lattices creates oxygen vacancy defects, further enhancing the catalytic oxidation performance. Loading the manganese, rare earth metal, and transition metal composite oxide onto the surface of Fe3O4 improves its dispersion. Utilizing the magnetic properties of Fe3O4, the additive can be separated from the soil after desorption treatment, allowing for recycling.

The present invention relates to the use of protective clothing, preferably in the form of protective underwear, to protect people from exposure to and / or contamination by polycyclic aromatic hydrocarbons (PAHs) emitted from pollution sources when staying and / or working in places where PAHs are emitted or present, and / or to protect people exposed to polycyclic aromatic hydrocarbons from contamination ("PAH contamination") in places where polycyclic aromatic hydrocarbons are emitted or present, and / or to protect people exposed to polycyclic aromatic hydrocarbons from contamination ("PAH contamination"), in particular to prevent or minimize contamination ("PAH contamination").

The invention discloses a simple and low-cost preparation method of a dark blue organic light emitting diode material benzo [k] fluoranthene. The method comprises the following steps: by taking aryl halide as an initial raw material, activating the aryl halide and inorganic alkali under heating under the action of a catalytic system, carrying out DA reaction under the light irradiation under the synergistic catalysis of polycyclic aromatic hydrocarbon and a metal catalyst, and oxidizing by an oxidant to obtain the benzo [k] fluoranthene. Wherein the polycyclic aromatic hydrocarbon has an autocatalytic effect under illumination, and cooperates with metal halide as a reaction catalyst to activate carbon halogen bonds on halogenated aromatic hydrocarbon, so that the halogenated aromatic hydrocarbon and the polycyclic aromatic hydrocarbon are subjected to cycloaddition Diels-Alder reaction, and then aromatization is performed to obtain the target product benzo [k] fluoranthene. All raw materials involved in the synthetic route are cheap and easy to obtain, and expensive and dangerous chemical raw materials are avoided. The reaction is carried out under illumination, the condition is mild, compared with a traditional high-temperature reaction condition, the condition is better, and the green chemistry and sustainable development concepts are met.

This invention relates to the field of smoke purification technology and discloses an integrated energy-saving smoke purification oven device, including an oven body, a purification box installed on the top of the oven body, a regeneration mechanism at the rear of the purification box, a purification mechanism inside the purification box, a flow diversion mechanism on the inner wall of the oven body, and a filter mechanism on the top of the purification box. The zeolite of this invention absorbs polycyclic aromatic hydrocarbons (PAHs) in the flue gas, preventing PAHs from entering the oven body with the flue gas and thus avoiding excessive harmful substances in the oven. It also increases the residence time of the flue gas in the box, further improving the purification effect of PAHs. Regular regeneration of the zeolite extends its service life, ensuring it does not become saturated for extended periods, eliminating the need for frequent zeolite replacements, and reducing the transportation process for zeolite processing, thus avoiding risks during transport.

The objective is to provide condensed polycyclic aromatic compounds that serve as organic photoelectric conversion materials with excellent external quantum yield (EQE), dark current, and response speed when used as photoelectric conversion elements, as well as materials for photoelectric conversion elements, organic thin films, and organic photoelectric conversion elements using the same. [Solution] A condensed polycyclic aromatic compound represented by the following formula (1) is provided. TIFF2026070575000014.tif13170 (In the formula, X is a divalent linking group obtained by removing two hydrogen atoms from benzene, biphenyl, or naphthalene.)

Providing novel compounds as materials for organic devices such as organic electroluminescent devices. [Solution] A polycyclic aromatic compound represented by the following formula (1); TIFF2026071228000175.tif70170 In the formula, rings A and C are aryl rings having substituents such as halogens, and rings B and D are aryl rings, and at least one hydrogen atom in these rings may be substituted.