61 results about "Conventional pollutant" patented technology

The invention relates to a river sediment sampler, which comprises a fixed grab bucket, a movable grab bucket, a movable rod, a prolonging rod and a handle, wherein a connecting rod of the fixed grab bucket is connected with an operating handle through the prolonging rod; the movable grab bucket is fixed on the connecting rod of the fixed grab bucket through a hinge; the grab bucket part of the movable grab bucket is fixedly connected to the connecting rod of the fixed grab bucket through a tension spring; and the movable rod is connected through a pulling rope, rounds a movable pulley and then is fixed on the handle. The sampler has the characteristics that: the sampler is portable and convenient to use; the requirement of conventional pollutant monitoring index can be met; the sampling efficiency is greatly improved; the original performance of sediment can be maintained; the sampling depth can be controlled; no material consumption exists and the like. The sampler better meets the requirements of water environment investigation sampling, and has better popularization and use prospect.

The invention relates to an original-state soil sampler comprising a soil sample collecting system and a soil sample pushing system. The original-state soil sampler is characterized in that the soil sample collecting system is formed by connecting a manual handle, an extension rod and a sampling head; the soil sample pushing system is formed by a shoving screw, a shoving rod, a shoving base and a shoving sheet, wherein the shoving screw is connected with the shoving rod inside the extension rod, and the shoving sheet is located inside the sampling head. In the invention, the sampling amount for one time can meet the requirement for monitoring regular pollutant index in soil, thereby greatly improving the sampling efficiency; the sampling head can be easily pushed out of the soil sample so as to ensure convenient and simple discharging process; the sample can be directly pushed out of the sampling head by the shoving sheet without using consumptive materials such as a circular ring, and the like, thereby saving resources; and the original soil level can be maintained and the sampling effect is ensured by controlling the whole process of sampling and discharging effectively.

The invention relates to a portable device for remotely measuring atmospheric pollution components day and night on the basis of a natural celestial body light source, which comprises a two-dimensional rotating platform system with a celestial body tracking function, a telescope system, a spectrometer and a computer. Received directly irradiated sunlight, moonlight, starlight and scattered sunlight are transmitted to the spectrometer by the telescope system through an optical fiber; spectral information acquired by the spectrometer is transmitted to the computer through AD (analog-to-digital) conversion; and the inversion is carried out by utilizing a related algorithm through the computer so as to obtain a vertical column concentration and vertical column distribution information of atmospheric trace gas. After the portable device for remotely measuring the atmospheric pollution components day and night is adopted, the day and night monitoring on the atmospheric conventional pollutant gas can be realized; and under the condition that any artificial light source is not required, a telescope is driven by a rotating platform to track a celestial body or carry out directional scanning so as to complete measuring a pollutant gas absorption spectrum. Compared with other optical methods, the portable device for remotely measuring the atmospheric pollution components day and night has the advantages that the portable device has simple system structure, is simple to assemble and disassemble and is convenient to carry; the day and night continuous measurement can be realized; and the vertical column concentration and the vertical column distribution information of the trace gas are obtained.

The invention discloses a method and a system for predicating the concentration of dioxins in waste incineration flue gas. The method comprises the following steps: 1, acquiring the working condition parameters during stable running of a waste incinerator and routine pollutant concentrations, which are used as characteristic vectors; 2, inputting the characteristic vectors to a support vector machine model, and carrying out regression prediction; and 3, calibrating the concentration of the dioxins in the waste incineration flue gas according to the above obtained support vector machine regression prediction result. The system comprises a characteristic vector acquiring device, a regression prediction device and a concentration calibrating device. The method has the advantages of good real-time property and low cost; and the system realizes the low-cost and real-time monitoring of the concentration of the dioxins in the waste incineration flue gas without arranging a detection device.

The invention discloses a mobile laboratory for analyzing atmosphere environment in an omnibearing and multilayered way, and relates to the technical field of atmosphere environment monitoring. The mobile laboratory is integrated in a power compartment and is arranged for quickly and continuously analyzing and monitoring multiple types of pollutants, including VOCs (Volatile Organic Compounds), conventional pollutants, inorganic/organic odor pollutants, inorganic acid and unknown pollutants to capture unexpected pollution events; high-concentration areas and pollution sources are subjected toon-line continuous monitoring and analysis; an infrared ultraviolet monitoring analysis system (1) of unexpected pollution source emergency monitoring is subjected to off-vehicle deepening, and onlinetrace high-accuracy analysis and offline sampling trace high-accuracy analysis of pollutants can be realized; the qualitative semi-quantitation of unknown trace species in the atmosphere environmentis carried out to truly figure out pollution factors in the environment air; a flight mass spectrum monitoring analysis system (2) and an auxiliary technical system (3) are used for the online quick and continuous analysis of the atmosphere environment and the capture of feature pollutant unexpected pollution. The mobile laboratory has the characteristics of integrated design, integral structure,complete functions, automated management and the like.

The invention discloses a method of removing PPCPs (Pharmaceutical and Personal Care Products) in drinking water by combination of ozone and activated charcoal. The method comprises the following steps: enabling ozone and aqueous liquor to be fully contacted by adopting a mode that gas and water are continuously and reversely contacted by means of ozone; then, carrying out further reaction through a retaining column, and then, enabling the obtained product to enter into a bio-activated charcoal column to be treated. The method disclosed by the invention can effectively remove PPCPs in drinking water, wherein the removal rate of carbamazepine, oxcarbazepine, progesterone and progesterone reaches over 99.9% while caffeine, antipyrine, aminopyrine and sulfamethoxazole are not detected in the effluent. Compared with existing drinking water treatment technologies, the method has higher chemical safety guarantee and meanwhile has a better removal effect on conventional pollutants in domestic drinking water. The effluent can stably reach the national sanitary standard (GB5749-2006) of domestic drinking water, so that the method has huge practical value and utilization potential.

The invention relates to a curb capable of collecting and purifying rainwater. The curb comprises a hollow curb body arranged on the edge of a subgrade; a rectangular hollow groove is formed in one side, close to the subgrade, of the hollow curb body; a grating plate is arranged at the upper part of the rectangular hollow groove; a cavity water storage layer, a filtering layer, an oil removal layer, a first purifying layer and a second purifying layer are arranged inside the rectangular hollow groove from top to bottom in sequence; a drainage pipe is arranged at the bottom of the rectangular hollow groove. The curb capable of collecting and purifying the rainwater, provided by the invention, can effectively collect and discharge the highway pavement runoff and retard the urban flood disaster, not only has a good removal effect on conventional pollutants, but also can effectively remove heavy metals, grease, oil and other pollutants hard to remove by adopting a conventional method. The water collected by the drainage pipe can be directly taken as irrigation water, landscape water, car washing water and other domestic water and cannot cause pollution to a water body and soil.

The invention relates to a system for comprehensively controlling heavy metal pollutants in flue gas of a coal-fired power plant. The system aims at the characteristics that great flue gas hazards and solid waste heavy metal residues are caused due to complex coal-fired components and high heavy metal content in the power plant in China, a catalytic oxidation technology, a high-chlorine concentrated solution spraying mercury removal technology, an electric-bag dust collection technology, a wet complexation and oxidation technology, an ultrafiltration/reverse osmosis technology, a deep washing solid-liquid separation technology, an evaporative crystallization technology and multiple related technologies are coupled on the basis of the conventional pollutant purification facilities in the coal-fired power plant, and a composite system for performing interception treatment at the front end and performing enrichment and separation recycling at the tail end is constructed, so that the gas-liquid-solid three-phase all-around removal and purification aim of heavy metal pollutants in the flue gas of the coal-fired power plant is achieved. The system is easy to construct, outstanding in effect and high in targeting property and has good environmental benefits.

The invention discloses a nitrogen dioxide and ozone combined online detection device and method. The device comprises a detection system, a liquid path system, a gas path system and a main control system. The method utilizes the device to realize nitrogen dioxide and ozone combined online detection. The method utilizes a high detection sensitivity gas-liquid phase chemiluminescence principle, realizes combined online detection of conventional pollutant gas such as nitrogen dioxide and ozone in air, eliminates mutual interference between two types of gas, improves the detection result accuracy, reduces the detection cost, has a simple structure, a small size and light weight, is easy to carry and can be easily used in field of field emergency detection.

The invention relates to a safe evaluation method of reused water quality of sludge water in waterworks, comprising the following steps: 1, collecting sludge water samples; 2, selecting test evaluation indexes of the reused water quality of the sludge water to test; and 3, judging whether the index of conventional pollutant in the obtained sludge water reaches a standard value to determine whether the water quality of the sludge water after regulation and pretreatment meets the level of water quality of raw water; and judging whether the index of specific pollutant in the obtained sludge water reaches a standard value of water quality of output water to determine the safety of water quality of the sludge water. The technical scheme of the invention fills the gap on the quality evaluation method of sludge water both in China, solves a serial of problems of how to evaluate when the sludge is reused, how to determine whether the quality of the reused water is safe and the like, thus ensuring that the water quality test data of the sludge water is scientific and comparable. The method is capable of well guiding the safe reuse work of sludge water in waterworks.

The invention discloses an anaerobic permeable membrane bioreactor desalination method based on a flowing carbon electrode, and belongs to the technical field of sewage treatment. A flowing carbon electrode is introduced, under the action of an external electric field, when a sludge supernatant in the anaerobic permeable membrane bioreactor passes through a chamber in the middle of an ion exchangemembrane of a desalting chamber, anions and cations in the solution can move towards two sides, the flowing carbon electrodes pass through the outer side of the ion exchange membrane, when ions in asolution penetrate through the ion exchange membrane to reach the flowing carbon electrodes on the two sides, the ions can be adsorbed on the activated carbon with the high specific surface area due to the action of potential difference, and the purpose of charge neutralization is achieved by mixing the flowing electrodes on the two sides of the ion exchange membrane. The desalted sludge supernatant returns to the reactor, so that the purpose of controlling salinity accumulation in the reactor is achieved, and further the purposes of improving the conventional pollutant removal rate of the reactor, stabilizing the pH, reducing SMP accumulation and reducing membrane pollution are achieved.

The invention discloses an asphalt VOCs optimal control pollutant screening method and application thereof. The method comprises the steps of acquiring, detecting and analyzing an asphalt VOCs sample to obtain asphalt VOCs substance composition and content; selecting an asphalt VOCs environmental pollutant list according to the definition of VOCs and the environmental influence degree; according to corresponding chemical differences of different substances on ozone generation potentials, secondary aerosol generation potentials, health risk assessment and the like, quantifying asphalt VOCs environmental influence risk assessment; and performing priority ordering on the comprehensive influence effects of different substances in the asphalt VOCs by adopting an information entropy method to obtain priority control pollutant details of the asphalt VOCs. According to the method, the defects that a conventional pollutant screening method is high in subjectivity, not comprehensive in screening index and the like are overcome, the environmental influence degrees of different substances can be objectively and quantitatively evaluated by integrating multiple dimensions such as environment and human body harm, and the method is more suitable for pollutant screening research in the atmospheric environment.

The invention discloses a method for treating and recycling sludge water by an ozone and ceramic membrane combined process. The flocculation effect of an added flocculating agent and the filtering effect of a ceramic membrane are utilized to efficiently reduce turbidity in the sludge water; conventional pollutants such as organic matters and ferro-manganese metal oxides in the sludge water can beeffectively removed through the synergistic effect of the added ozone and the ceramic membrane, and microorganisms such as bacteria and viruses in the sludge water can be effectively removed through the oxidation effect of the ozone and the ultrafiltration effect of the ceramic membrane. Meanwhile, the introduced ozone also has a relatively good relieving effect on membrane pollution.

The invention discloses a real-time tracking method for a conventional sudden water pollution group under a complex river network water flow condition. A river network hydrodynamic, conservative substance and conventional pollutant water quality integrated coupling numerical model is developed on the basis of complex and changeable river network hydrodynamic characteristics, a conservative substance and water flow synchronous transmission mechanism and a pollutant migration and transformation rule. Through sudden accident scene simulation, the transmission process and path of accident wastewater and accident pollutants in a river network are dynamically tracked, accident pollutants at different sensitive receptors and corresponding conservative substance concentration process lines are obtained, and the reaction time, duration and maximum pollutant concentration of accident influences at different sensitive receptors are estimated. Technical support can be provided for conventional sudden water pollution early warning and forecasting, so that an environment manager can timely and accurately make an emergency decision, consumption of a large amount of financial cost and time cost isavoided, and the method has very high practicability and wide applicability.

The invention relates to a cooperative condensation wet-type electric dust precipitator and a working method thereof, and belongs to the field of industrial waste gas purification environment protection and energy. With comprehensive promotion of ultralow emission work of a coal-fired unit, a conventional pollutant index is effectively controlled, but how to solve control on fine particles and condensable particles becomes an essential issue in the current field of coal-fired smoke dust removal. According to the cooperative condensation wet-type electric dust precipitator, through organic combination of a wet-type electric dust precipitator and a smoke condensation device, particles in the smoke are firstly condensed and then charged, so that condensation of the condensable particles and agglomeration of the fine particles in the smoke are promoted; and the dust removing efficiency of the dust precipitator is promoted, and the cooperative removing capability of SO3 and other pollutantsis also improved. The cooperative condensation wet-type electric dust precipitator is simple in process, stable in operation, low in investment and operation cost and high in operability; the cooperative condensation wet-type electric dust precipitator has applicability to newly-built coal-fired units and improvement of current units; and therefore, the cooperative condensation wet-type electricdust precipitator has good environment-protection and economic benefits and wide application prospects.

The invention discloses a membrane pollution analogue simulation analysis method. The membrane pollution analogue simulation analysis method can determine a final optimization model through system calculation and optimization by building a classic polymer membrane, an inorganic membrane and other membrane material models and inorganic, organic, colloid, microorganisms and other conventional pollutant models, by means of a Materials Studio software polymer module function, and builds a calculation interface model for different water solutions on the basis of the final optimization model. Meanwhile, the membrane pollution analogue simulation analysis method carries out reliable structure optimization and energy calculation on a designed operation basic environment aperiodic system and periodic systems such as membrane materials and pollutants in combination with molecular mechanics and dynamics methods, and regulates and controls operating parameters to obtain a series of two-dimensionaland three-dimensional result parameters such as membrane surface parameters, molecular configuration parameters, interaction parameters and water body solution components under long-term operation. The membrane pollution analogue simulation analysis method can perform various types of simulation on different water bodies and different membranes, and is flexible, simple and novel.

The invention discloses a methanol fuel automobile exhaust purification catalyst and a preparation method thereof. The catalyst comprises a catalyst carrier and a catalyst coating, the catalyst coating comprises a first coating body and a second coating body, ZrO2-Al2O3 serves as a first carrier material of the first coating body, Pd and/or Pt serve/serves as a first active component of the firstcoating body, and ZrO2-Al2O3 is prepared through a coprecipitation method; the second coating takes CeO2-Al2O3 as a second carrier material and Rh as a second active component, the CeO2-Al2O3 is prepared by a sol-gel method, and the catalyst coating is smeared on the catalyst carrier in a layered form to obtain the methanol fuel automobile exhaust purification catalyst. The catalyst provided by the invention has the advantages of low noble metal consumption, low ignition temperature and high highest conversion efficiency, realizes efficient purification of conventional pollutants and unconventional pollutants in methanol fuel automobile tail gas, and can be used for purifying methanol fuel automobile tail gas according to different automobile types and tail gas treatment requirements. Andmethanol fuel automobile exhaust purification catalysts loaded with different noble metals are selected to realize cost control.

The invention provides a composite material for accelerating formation of aerobic granular sludge as well as a preparation method and application of the composite material. According to the invention, an aerobic granular sludge rapid construction system based on the porous carbon and iron-based material composite nanomaterial is constructed, and the porous carbon and the iron-based material are added to prepare the composite nanomaterial, so that the forming speed of the aerobic granular sludge is remarkably increased; compared with the composite nano material which is added with an inert material and is not added with the material, the time of the composite nano material prepared by the invention is shortened by 30-50%. The prepared aerobic granular sludge is good in stability after being mature and can resist large impact loads, the quality of treated sewage reaches the first-grade A standard, the treatment capacity on conventional pollutants is improved by 10%-30%, and compared with a conventional aerobic granular sludge technology, the aeration rate and occupied land are saved, and energy consumption is reduced by 10%-30%.

A solar energy degradation-generation integrated modular device comprises a device body. The device body is sequentially provided with from top to bottom: an anti-reflection film, a quartz transparentpanel, a photocatalytic reaction layer, a photovoltaic battery layer, and a thermal insulation layer; a transparent wrinkled channel is arranged in the photocatalytic reaction layer, a nano catalystis distributed on the surface of the transparent wrinkled channel; and two sides of the device body are respectively provided with a channel inlet and a channel outlet. A conventional pollutant integrated processing mode is changed to a distributed processing mode, the device is completely driven by solar energy, the risk of transporting the pollutants is reduced, and the processing cost is reduced.

The invention discloses an integrated reactor for removing trace antibiotics in composite polluted surface water and a removing method of the integrated reactor. The reactor comprises a feeding pump,a first conventional flocculation tank, a second conventional flocculation tank, a carrier flocculation mixing tank, a carrier flocculation reaction tank, an inclined plate settling tank and an ultra-filtration tank which are sequentially connected; sludge discharge pipes are separately arranged on the bottoms of the first conventional flocculation tank, the second conventional flocculation tank,the carrier flocculation mixing tank, the carrier flocculation reaction tank, the inclined plate settling tank and the ultra-filtration tank; each sludge discharge pipe is connected with a hydrocyclone through a sludge circulating pump; and each hydrocyclone is positioned above the carrier flocculation mixing tank. According to the reactor disclosed by the invention, conventional flocculation, carrier flocculation, inclined plate sedimentation, ultrafiltration membrane filtration and the like are combined, the trace antibiotics in the composite polluted surface water are removed through the synergistic effect among different devices, and meanwhile, removal of conventional pollutants is ensured; and the whole reactor is small in occupied area, low in running cost, high in automation degreeand convenient to operate and manage.

The invention discloses a synthetic ammonia industry pollutant treatment device, relates to the technical field of pollutant treatment devices and aims to solve the problems that a conventional pollutant treatment device is poor in treatment effect and secondary pollution can be easily caused. A liquid conveying tube is arranged above a synthetic ammonia storage tank; a filtering cylinder is arranged inside the liquid conveying tube; a support base is arranged on one side of the synthetic ammonia storage tank; a reaction chamber is arranged above the support base; a liquid feeding tube is arranged on one side above the reaction chamber; a liquid supply tube is arranged on one side of the liquid feeding tube; a waste gas outlet is formed in one side of the liquid supply tube; one end of theliquid conveying tube extends into the liquid feeding tube; a motor chamber is arranged on one side of the reaction chamber; a motor is mounted inside the motor chamber; a coupling is arranged at theoutput end of the motor; the motor is fixedly connected with a stirring shaft through a coupling; stirring blades are arranged on the outer wall of the stirring shaft; and twelve stirring blades arearranged.