9 results about "Trichlorophenol" patented technology

The invention discloses an application of an electronic waste pollution human body exposure fingerprint spectrum in exposure risk prediction, and the human body exposure fingerprint spectrum is composed of more than three of exposure markers of 2, 4, 6-tribromophenol, 2, 4, 5-trichlorophenol, 4-bromophenol, 1-hydroxypyrene and bisphenol A. The invention further discloses an application of the electronic waste pollution human body exposure fingerprint spectrum in exposure risk prediction. According to the method, a systematic method of urine pollutant exposure omics is adopted for the first time, comprehensive screening and characterization of pollutant exposure markers related to specific components and by-products are achieved in electronic waste exposure worker groups, and the method is the most systematic organic pollutant exposure research known in the field at present.

This invention discloses the application of human exposure fingerprinting of electronic waste pollution in exposure risk prediction. The human exposure fingerprinting consists of three or more of the following exposure markers: 2,4,6-tribromophenol, 2,4,5-trichlorophenol, 4-bromophenol, 1-hydroxypyrene, and bisphenol A. This invention is the first to employ the systematic method of urinary contaminant exposure profiling to achieve comprehensive screening and characterization of contaminant exposure markers related to specific components and byproducts in workers exposed to electronic waste. This is currently the most systematic organic contaminant exposure study known in this field.

The invention provides a method for resource utilization of 2, 4-dichlorophenol rectification residual liquid, and belongs to the technical field of chemical production waste treatment. According to the method, the 2, 4-dichlorophenol rectification residual liquid is used as a raw material, and the 2, 4, 6-trichlorophenol component and the phenyl sulfide catalyst are effectively separated from the 2, 4-dichlorophenol rectification residual liquid through sectional distillation operation and optimization of distillation conditions, the cyclic utilization proportion of the phenyl sulfide catalyst and the use amount of a Lewis acid catalyst, so that the 2, 4, 6-trichlorophenol and the phenyl sulfide catalyst are effectively separated from the 2, 4-dichlorophenol rectification residual liquid. According to the method, the content of 2, 4-dichlorophenol in the chlorinated liquid obtained by efficiently recycling the 2, 4, 6-trichlorophenol component and recycling the polyphenylene sulfide catalyst is greater than 96%. According to the method, the production efficiency is improved, the 2, 4-dichlorophenol rectification residual liquid needing to be treated is reduced, and the production cost is remarkably reduced; the method is simple to operate and easy to implement, avoids complex operation steps in an existing recovery method, effectively solves the problems of high cost and poor adaptability of a traditional process, and provides powerful support for large-scale industrial production and application.

The invention discloses a preparation method of a high-crystallinity Sb2S3 antimony sulfide film, which not only can be applied to a PEC photocathode, but also can be applied to the fields of solar cells, photoelectric detection and the like. According to the method, 2, 4, 6-trichlorophenol is used as an additive and dissolved in acetone together with antimony trichloride, and the high-quality Sb2S3 antimony sulfide thin film is obtained through chemical bath deposition. According to the method, the Sb2S3 precursor and the acetone solvent serve as raw materials, the interaction between Cl atoms and Sb atoms at the tail ends of 2, 4, 6-trichlorophenol molecules is utilized, the intermolecular interaction between the Sb2S3 precursor and the acetone solvent can be enhanced through the interaction, the number of Sb2S3 crystal nucleuses is reduced along with reduction of the supersaturation degree, and growth of the crystal nucleuses is further promoted. And the crystallization peak intensity is enhanced from 150 to 500. Meanwhile, the Fermi level of semiconductor antimony sulfide is reduced, P-type conductivity is enhanced, and therefore the performance of the antimony sulfide photoelectric cathode is improved.

The application discloses a method for analyzing multiple halogenated phenols based on hydrogen bond enhanced halogen bond recognition, which mainly comprises the following steps: constructing a selective recognition surface enhanced Raman substrate, selectively capturing target molecules, collecting signals and extracting chemical characteristics, embedding physical / chemical prior knowledge into machine learning multi-component decoupling, and the like. The application overcomes the interference of complex matrix in water, realizes selective capture, breaks through the black box limitation of traditional pure data driven model, constructs a physical information guided machine learning model, and realizes the detection of multiple halogenated phenols. The application can be used for selectively capturing halogenated phenol persistent organic pollutants (such as trichlorophenol, tribromophenol, tetrabromobisphenol A and the like) in a water phase environment containing background inorganic salt or non-halogenated aromatic organic matter interference, and realizes the qualitative screening of target pollutants in combination with a surface enhanced Raman spectroscopy technology.

The application relates to a device for continuously extracting and recovering trichlorophenol from prochloraz, and relates to the technical field of trichlorophenol, which comprises a hydrochloric acid tank, an alkaline wastewater tank, a dichloroethane tank, a first mixer, a first continuous extractor, an acid washing water layer tank, an acid washing oil layer tank, a liquid alkali tank, a second mixer, a second continuous extractor, an alkali washing oil layer tank and an alkali washing water layer tank, the hydrochloric acid tank, the alkaline wastewater tank and the dichloroethane tank are connected with the first mixer through pipes, and the first mixer is connected with the first continuous extractor through a pipe, the complete connection system of the hydrochloric acid tank, the alkaline wastewater tank, the dichloroethane tank, two-stage mixers, two-stage continuous extractors and multiple layering tanks realizes a continuous extraction and recovery process of trichlorophenol in prochloraz amination wastewater, the structure does not need to set a solid-liquid separation link, the process steps are simplified, and meanwhile, the processing capacity is improved through a closed continuous operation design.

The application discloses a kind of high-density buffer sponges and preparation methods thereof, belong to the technical field of polymer materials.Aiming at the problems of poor moisture resistance, easy mildew, serious mechanical property attenuation under humid environment and other problems of existing high-density buffer sponges, the sponge uses polyether polyol and isocyanate as basic raw materials, adds KH-570 modified nano-silica as a moisture-proof modifier, the mildew-resistant agent compounded by artemisia extract, mint extract and 2,4,6-trichlorophenol, and carbon fiber powder reinforcing agent, and is prepared through the steps of raw material pretreatment, component preparation, foaming mixing, injection molding foaming, curing and post-processing.The sponge has excellent moisture resistance, long-term mildew resistance and stable cushioning mechanical properties, is environmentally friendly and non-toxic, has simple preparation process, does not require special equipment, is suitable for industrial large-scale production, and is suitable for sofas, pillows, mattresses and other furniture, especially for humid environment.

This invention discloses a highly efficient bacterium with a metabolic preference for chlorophenol pollutants and its applications, belonging to the field of microbial technology. Through long-term domestication and screening of activated sludge, a bacterium was isolated that efficiently degrades chlorophenols and exhibits preferential and efficient degradation ability for 2,4,6-trichlorophenol. This bacterium is classified and named... Cupriavidus sp. RT8. This bacterium overcomes the limitation of existing strains having a narrow degradation spectrum, and can simultaneously and efficiently degrade multiple chlorophenol compounds such as monochlorophenol, dichlorophenol, and trichlorophenol. It also overcomes the "carbon metabolite inhibition" effect, and can still maintain high efficiency in degrading chlorophenols under conditions where an additional carbon source is readily available. It has high adaptability and treatment efficiency in real polluted environments, and promotes the practical engineering application of microbial remediation technology.

This invention discloses a highly efficient bacterium with a metabolic preference for chlorophenol pollutants and its applications, belonging to the field of microbial technology. Through long-term domestication and screening of activated sludge, a bacterium was isolated that efficiently degrades chlorophenols and exhibits preferential and efficient degradation ability for 2,4,6-trichlorophenol. This bacterium is classified and named... Cupriavidus sp. RT8. This bacterium overcomes the limitation of existing strains having a narrow degradation spectrum, and can simultaneously and efficiently degrade multiple chlorophenol compounds such as monochlorophenol, dichlorophenol, and trichlorophenol. It also overcomes the "carbon metabolite inhibition" effect, and can still maintain high efficiency in degrading chlorophenols under conditions where an additional carbon source is readily available. It has high adaptability and treatment efficiency in real polluted environments, and promotes the practical engineering application of microbial remediation technology.