82 results about "Multi pollutant" patented technology

The utility model provides a subway platform rainwater ecological recycling device which comprises a water inlet tank, a filter tank is arranged on one side of the water inlet tank, and a water storage tank is arranged on one side of the filter tank. According to the ecological rainwater recycling device for the subway platform, the grating, the filter plate, the filter tank, the water storage tank and other structures are arranged, the grating serves as a first defense line to intercept large-size impurities and prevent the large-size impurities from entering the device to cause blockage, the filter plate further filters small-particle impurities, and a multi-stage filter layer in the filter tank deeply purifies rainwater and removes various pollutants; in addition, a sliding groove, a floating plate, an ejector pin, a button and an alarm in the water storage tank form a water level monitoring and alarming system, the water level can be monitored in real time, early warning can be conducted in time when the water level is abnormal, water tank overflowing and other accidents can be avoided, rainwater resources are effectively utilized, urban tap water is saved, and the environment is protected. And the water consumption cost of subway operation is also reduced.

The invention particularly relates to a method for determining a reaction rate constant of tetravalent iron and organic pollutants by using a chemiluminescence method, and belongs to the technical field of water quality detection. According to the method, on the basis of a chemiluminescence reaction between Fe (IV) and naproxen (NAP), a target organic pollutant (TrOC) is introduced, the quenching effect of the target organic pollutant on a chemiluminescence signal is measured, and a competitive kinetic model between the chemiluminescence quenching capacity (CLQC) and a secondary reaction rate constant (kFe (IV), TrOC) of Fe (IV) on the target pollutant is constructed. According to the method, the concentration of Fe (IV) does not need to be monitored in real time, and the reaction activity between Fe (IV) and various pollutants can be directly and rapidly measured only by comparing the intensity change of the chemiluminescence signals when the target pollutants exist and do not exist.

The invention relates to the technical field of air pollution treatment, and particularly discloses a method for jointly removing multiple pollutants in sintering flue gas through electric precipitation, ozone oxidation and an alkaline washing tower, and the method comprises the following steps: S1, the sintering flue gas sequentially passes through a high-temperature electric precipitator provided with a catalytic polar plate, and ozone is injected in front of an inlet of the electric precipitator for pre-oxidation; s2, enabling the flue gas treated in the step S1 to enter an ozone oxidation tower, and supplementing and injecting ozone through a graded ozone distribution system; s3, introducing the flue gas treated in the step S2 into an alkaline washing tower, and contacting the flue gas with circulating alkali liquor; and S4, monitoring the pollutant concentration in the final discharged tail gas in real time, and dynamically feeding back and adjusting the injection amount of ozone in the S1 and S2 and the pH value of the alkali liquor in the S3 based on a monitoring result. The method disclosed by the invention can be used for synergistically and deeply purifying multiple pollutants in low-temperature industrial flue gas such as steel sintering, pellet roasting and waste incineration, and has the advantages of high removal efficiency and environment friendliness.

The invention relates to the technical field of flue gas treatment, in particular to a method for treating flue gas of a waste incineration plant. The problem of low flue gas treatment efficiency in the prior art is solved. The method comprises the following steps: firstly, simultaneously spraying a nitrogen oxide reducing agent and a micronized calcium-based deacidification agent into a high-temperature section of flue gas, and carrying out non-catalytic denitration and pre-deacidification treatment; then, the flue gas enters a medium-temperature composite catalytic reactor, and efficient denitration, elemental mercury oxidation and catalytic decomposition of dioxin are achieved through cooperation of a composite catalyst; then, the flue gas enters a graded circulating fluidized bed system, acid gas is efficiently removed through a first-stage circulating fluidized bed, then the flue gas enters a second-stage circulating fluidized bed after being cooled, and mercury and heavy metal are efficiently adsorbed through modified active coke; finally, the flue gas passes through a composite filter bag, and residual CO and VOCs are catalytically degraded while dust is removed. According to the invention, deep purification of various pollutants in the flue gas is realized through quality-divided cooperation and temperature-divided and zoned treatment, the treatment efficiency is high, and the operation is stable.

The application provides a configuration method and device of a composite substrate for sewage treatment and a server, relates to the technical field of water treatment material preparation, and comprises the following steps: performing central combination treatment on a ternary composite substrate for sewage treatment to generate a test formula set; obtaining test data corresponding to the test formula set, taking the removal rates of various substrates as response values, and obtaining target test data; performing regression analysis processing on the target test data in a quadratic polynomial regression model of the ternary composite substrate to obtain model prediction values, and performing model verification and update processing on the quadratic polynomial regression model by using the model prediction values and the target test data to determine a target quadratic polynomial regression model; and performing optimization processing on the proportioning of the ternary composite substrate by using the target quadratic polynomial regression model to determine a target mass proportioning of the ternary composite substrate. The application can significantly improve the pollutant removal rate of the collaborative pollutant removal of various pollutants in the sewage treatment process.

The invention relates to the technical field of purification devices, and discloses a waste gas filtering and purifying device for waste incineration, which comprises a waste incineration mechanism and a protective shell, one side of the waste incineration mechanism is fixedly connected with a waste gas filtering mechanism, and the interior of the protective shell is fixedly connected with a circulating air pump. The output end of the circulating air pump is fixedly connected with an air blowing pipe, and the input end of the circulating air pump is fixedly connected with an air suction pipe. According to the waste incineration device, through cooperation of the waste incineration mechanism, the waste gas filtering mechanism, the main drive linkage mechanism and the speed-increasing air draft mechanism, the problems that a traditional device is low in filtering efficiency, multiple pollutants are difficult to effectively remove, the waste gas circulation speed is unstable, and the sealing performance of the device is poor are solved; through cooperation of the protective shell, the circulating air pump, the air blowing pipe, the air suction pipe and the linkage scraping mechanism, the problems that a traditional device lacks a cooperative linkage purification mechanism, washing, filtering and anti-blocking integrated operation cannot be achieved, and the anti-blocking effect is limited are solved.

The application provides a stainless steel pickling wastewater recycling treatment system and method, and belongs to the technical field of wastewater treatment.The method comprises the following steps: step one, preliminary removal of heavy metals and fluorine ions by a heavy metal capturing tank and a calcium carbonate industrial solid waste tank;step two, deep removal of heavy metals and fluorine ions by a crystallization fluidized bed;and step three, synchronous removal of sulfates and nitrates by a microbial method.The application organically combines physical and chemical treatment with biological treatment, can synchronously and efficiently remove various pollutants such as nickel, chromium, iron, thallium, fluorine, sulfates and nitrates in the stainless steel pickling wastewater, has good treatment effect, the effluent water quality can meet the recycling requirements, realizes the resource utilization of wastewater, reduces the waste of water resources, realizes the synchronous and efficient removal of various pollutants, reduces the treatment cost by the resource utilization of calcium carbonate industrial waste and CO2 gas, reduces the sludge yield, the effluent water can meet the recycling requirements, and has economic benefits and environmental benefits.

This invention proposes a three-dimensional electrode electrochemical device with descaling function. It is divided into a softening chamber and an oxidation chamber by a partition. The softening chamber contains multiple cylindrical electrode groups. Under the action of an external electric field, the cathode reaction generates a strongly alkaline environment to precipitate scale-forming ions in the water. A gas flushing mechanism and an external programmable DC regulated power supply effectively achieve automatic descaling. The three-dimensional electrode group in the oxidation chamber consists of several anode plates and cathode plates arranged alternately at equal intervals. Insulating baskets filled with particle packing are placed between adjacent electrode plates. Ultrasonic vibrating plates are integrated around the three-dimensional electrode group. A porous sieve plate and aeration pipeline are installed at the bottom of the three-dimensional electrode group. A spray mechanism with rotating nozzles is installed at the top of the oxidation chamber. The combination of the three-dimensional electrode group, ultrasonic assistance, and circulating spray enhances the oxidation efficiency. This invention removes multiple pollutants from water simultaneously and efficiently in a single reactor without the need for external reagents, through a series of electrochemical reactions. It has the advantages of high treatment efficiency, high automation, and small footprint.

The invention discloses a circulating spouted bed sintering flue gas multi-pollutant integrated removal system, and belongs to the technical field of industrial flue gas treatment. In the system, a tubular heat exchanger is connected with a bottom air inlet of a hearth through an air pipe; a hopper and a natural gas burner are arranged at the side part of the hearth, and a solid bed material with the particle size of 70-150 microns is filled in the hearth; an upper end outlet of the hearth is connected with an inlet of the cyclone separator, a plurality of ammonia spraying nozzles are distributed at the inlet of the cyclone separator, and a lower outlet of the cyclone separator is connected with the bottom of the hearth through a material returning pipe; an upper end outlet of the cyclone separator is connected with the tubular heat exchanger through a flue gas pipe; the tubular heat exchanger is connected with the bag-type dust collector; and the induced draft fan is connected with an outlet of the bag-type dust collector. According to the invention, various pollutants such as dioxin, carbon monoxide, sulfur oxide, nitrogen oxide and solid particle dust in the sintering flue gas can be integrally removed, the removal efficiency is high, the carbon emission and pollution are obviously reduced, and the whole system is compact and simple in structure.

The invention provides a multi-dimensional intelligent air purification method and system and electronic equipment, and relates to the technical field of air conditioning.The method comprises the steps that indoor environment data are collected in real time through a multi-dimensional sensor array, the indoor environment data are input into a pollutant traceablility model, and the pollution source type and the pollution source position probability are obtained; a purification control strategy is generated based on the pollution source type and the pollution source position probability, air purification equipment is controlled to execute corresponding purification operation based on the purification control strategy, and the problems that in the prior art, the sensor types are limited, data fusion analysis is lacked, the coexistence state of various pollutants is difficult to comprehensively recognize, the control strategy is solidified, and the control cost is low are solved. The technical problems that the existing system is difficult to realize differential purification aiming at specific pollutants and the improvement of the overall purification efficiency is restricted due to the phenomena that the existing system cannot adapt to the dynamic change of a pollution source and the system and the pollution distribution condition are disjointed are solved, and the effect of improving the purification efficiency of the specific pollutants is achieved.

The present disclosure relates to a purification system for purifying a gaseous product produced by electrolysis comprising: a separation vessel (10) configured to contain a separating liquid (12), and where the gaseous product is passed through the separating liquid (12) to at least partially remove a contaminant from the gaseous product in use. A condenser vessel (30) operatively connected downstream of the separation vessel (10), the condensing vessel (30) comprising a condenser (24) configured to condense one or more contaminant out from the gaseous product. The separation vessel (10) and the condensing vessel (30) are provided as separate, fluidly connected vessels.

The present disclosure relates to a purification system for purifying a gaseous product produced by electrolysis comprising: a separation vessel (10) configured to contain a separating liquid (12), and where the gaseous product is passed through the separating liquid (12) to at least partially remove a contaminant from the gaseous product in use. A condenser vessel (30) operatively connected downstream of the separation vessel (10), the condensing vessel (30) comprising a condenser (24) configured to condense one or more contaminant out from the gaseous product. The separation vessel (10) and the condensing vessel (30) are provided as separate, fluidly connected vessels.

The application relates to a device and method for producing mineralized drinking water by coupling nanofiltration and electrodialysis, and relates to the technical field of water treatment. The device solves the problem that nanofiltration membranes remove a variety of pollutants while removing a variety of natural mineral ions beneficial to human bodies, and the problem that the separation performance of nanofiltration membranes is insufficient in matching the separation target. The device comprises the following steps: introducing, into a nanofiltration unit, pretreated water containing ions and potential organic pollutants through the inlet of the nanofiltration unit; obtaining first dilute water and first concentrated water through nanofiltration separation; introducing the first dilute water and the first concentrated water into a first reverse electrodialysis unit respectively; performing ion redistribution in the first reverse electrodialysis unit; introducing second concentrated water after the redistribution into a second reverse electrodialysis unit; performing ion distribution with second water treated by a nanofiltration-gravity flow ultrafiltration system; obtaining second effluent flowing out of the second reverse electrodialysis unit; and returning third concentrated water obtained after the distribution to the nanofiltration unit. The application is applied to the field of drinking water production.

This invention discloses a wastewater treatment agent for iron and steel smelting and its preparation method, relating to the field of water pollution control technology. The wastewater treatment agent for iron and steel smelting comprises the following raw materials in parts by weight: 18-23 parts diatomaceous earth, 20-25 parts bentonite, 15-18 parts flocculant, 5-8 parts coagulant aid, and 8-12 parts calcium oxide. The wastewater treatment agent for iron and steel smelting prepared by this invention can effectively reduce the chemical oxygen demand, suspended solids, ammonia nitrogen, and heavy metal content in wastewater, achieving efficient removal of multiple pollutants from iron and steel smelting wastewater, and has good treatment effect and application prospects.

The invention provides a concrete carbon sequestration material proportion optimization method, and belongs to the technical field of concrete carbon sequestration. Nitrogen fixation efficiency, sulfur fixation efficiency, carbon sequestration efficiency and pore liquid phase ion concentration distribution of each proportion are measured through a three-component gradient test matrix; inputting test data into a curing collaborative optimization model based on a matrix decomposition low-rank approximate optimization mechanism, outputting an optimization ratio vector and a gradient functional layer thickness parameter under multi-target constraint through singular value decomposition and an alternating minimization strategy, preparing a verification sample, and monitoring mechanical properties and ettringite delayed expansion rate; the secondary release risk of sulfate radicals is evaluated through a long-term leaching test, the mixing amount of the geopolymer exciting agent is adjusted, and the technical problem that when the concrete material fixes multiple pollutants at the same time, due to competitive adsorption among all components, the overall curing efficiency is difficult to synergistically improve is solved.

The invention provides a hollow MOF (Metal Organic Framework)-based adsorbing material as well as a preparation method and application thereof. The MOF-based adsorbing material comprises a macroporous hollow core layer MOF and a microporous shell layer MOF, the particle size of the MOF-based adsorption material is 1-4 [mu] m, and the mass ratio of the shell layer MOF to the core layer MOF in the MOF-based adsorption material is (1-5): 1. The MOF-based adsorption material disclosed by the invention has relatively strong adsorption capacity on various pollutants, breaks through the limitation of single target of a traditional adsorption material, and particularly shows excellent adsorption performance and stability in fuel desulfurization.

The invention discloses efficient old oil purification and regeneration equipment, relates to the technical field of waste oil regeneration treatment, and can be widely applied to multiple industries such as oil fields, metallurgy, power generation and the like. The equipment comprises a pretreatment system, a regeneration treatment system, a discharge treatment system and an online monitoring control system which are integrally mounted on a rack, wherein the rack is divided into a movable type and a fixed type. The pretreatment system achieves primary purification of waste oil, the regeneration treatment system achieves deep purification and performance recovery through the synergistic effect of multiple units such as preheating, pressure increasing and atomization detonation resonance, the emission treatment system avoids secondary pollution, and the online monitoring control system achieves automatic operation and safety monitoring. Various pollutants in the waste oil can be deeply removed, the carbon chain structure can be recovered, the quality of regenerated oil reaches 95% or above of that of new oil, various indexes are excellent, operation is easy and convenient, running is stable, environment friendliness and no pollution are achieved, foreign technical monopoly is broken through, the cost performance is high, and wide market prospects are achieved.

The utility model discloses waste gas environmental pollution assessment and absorption equipment which comprises an absorption tower main body, a waste gas inlet, a purified gas outlet, a waste gas inlet and a purified gas outlet, the absorption guide pipe is connected to the gas inlet end of the waste gas inlet; the gas extraction mechanism is arranged in the middle of the absorption tower main body and is used for extracting waste gas; the detection units are sequentially arranged in the absorption tower main body along the airflow direction of the waste gas inlet; the filtering assembly is arranged at the bottom of the absorption tower main body and is used for purifying waste gas; the sampling unit is connected to the side wall of the absorption tower main body and used for extracting waste gas. According to the waste gas environmental pollution assessment and absorption equipment provided by the utility model, waste gas detection assessment and purification absorption functions are integrated in the same equipment. When the waste gas is purified, various pollutant indexes such as TVOC (Total Volatile Organic Compound), CO, CO2 and PM2.5 (Particulate Matter 2.5) can be monitored in real time by utilizing various sensors, so that the problem of single function of the traditional equipment is solved, and the treatment and monitoring are synchronously carried out.

The invention discloses a method for synergistically adsorbing and removing various pollutants such as VOCs, Hg and Br in flue gas or waste gas in the technical field of energy environment engineering. According to the method, through a treatment system in which two stages of adsorption columns are connected in series, the first-stage adsorption column is filled with polyester superfine fibers, the second-stage adsorption column is filled with aramid fibers, and the adsorption selectivity difference and the acting force difference of different fibers to pollutants are utilized, and the adsorption column structure design, the desorption system configuration and the specific adsorption column operation conditions are combined; the efficient synergistic removal of VOCs, Hg0, Hg < n + >, Br and the like in the flue gas or the waste gas is realized. The invention solves the problems of difficult synchronous removal of various pollutants, high operation cost and easy generation of secondary pollution in the prior art, has the advantages of high removal efficiency, low energy consumption, strong compatibility, no secondary pollution and the like, and can be widely applied to flue gas or waste gas purification treatment and related pollutant recovery in electronic waste incineration, hazardous waste disposal, fire coal and other scenes.

The invention discloses an intelligent door and window automatic ventilation and purification system based on air quality monitoring, and relates to the technical field of indoor air governance, the system comprises sparse sensor networks, a reverse solution engine, a targeted execution terminal, a mode learning and prediction module and a system control center, the sparse sensor networks are distributed at indoor key positions, and the sparse sensor networks are distributed at indoor key positions; synchronously collecting and uploading concentration time sequence data of various pollutants; a reverse solving engine is combined with the indoor space three-dimensional structure digital twinborn model, the position and intensity parameters of the pollution source are solved through an optimization algorithm, and a pollution source probability hotspot map is generated; the system control center dispatches a targeted execution terminal according to a resolving result, and local directional purification operation is carried out; the mode learning and prediction module realizes rapid response of a pollution source by learning historical data, realizes accurate monitoring, traceability and targeted treatment of pollutants, reduces energy consumption, improves treatment efficiency and pertinence, and adapts to various indoor scenes.

The invention is suitable for the technical field of sewage treatment, and provides an attapulgite-based composite adsorbent wastewater purification device. Comprising a pretreatment unit which comprises a pretreatment box body and a filtering assembly which is installed on the pretreatment box body and has a self-cleaning function; the multi-stage adsorption unit comprises a multi-stage adsorption box body, at least two groups of detachably arranged adsorption modules are arranged in the multi-stage adsorption box body along the water flow direction, and the adsorption modules are filled with modified attapulgite-based composite adsorbents; the conveying part is arranged between the pretreatment unit and the multi-stage adsorption unit and is used for conveying the wastewater pretreated by the pretreatment unit into the multi-stage adsorption unit. According to the invention, a modified attapulgite-based composite adsorbent is combined with a multi-stage modular adsorption structure, and the adjacent adsorption modules adopt composite adsorbents with different modified components, so that various pollutants such as heavy metal ions and organic dyes are synergistically and efficiently removed.

A method of water purification includes mixing contaminated water consisting of one or more pollutants with a CoO / CaSiO3@g-C3N4 nanocomposite material, adsorbing at least a portion of the one or more pollutants from the contaminated water, and further removing the nanocomposite material using filtration to form purified water. The nanocomposite material includes hexagonal metal oxide nanoparticles consisting of a CoO phase and a CaSiO3 phase dispersed on a matrix of g-C3N4 nanosheets where the hexagonal metal oxide nanoparticles have an average particle diameter in a range from 340 to 440 nanometer (nm) and the nanocomposite material has an absorption capacity for basic fuchsin of at least 20 milligram per gram (mg / g).

The invention provides a sulfur hexafluoride gas online drying device and method. The sulfur hexafluoride gas online drying device comprises a gas storage chamber; a drying unit, a first pipeline is arranged between the gas storage chamber and the gas inlet end of the drying unit, the first pipeline is provided with a detection unit, and the detection unit is used for detecting gas discharged from the gas storage chamber; a second pipeline is arranged between the pipe section, located between the detection unit and the drying unit, of the first pipeline and the exhaust end of the drying unit; through the arrangement of the drying unit and the backflow unit, gas drying can be achieved, through the arrangement of the retreatment unit, the problems that a traditional built-in adsorbent is prone to saturation and inconvenient to replace are effectively solved, and meanwhile the defects that in an external drying device, the adsorbent is low in utilization rate, poor in collaborative adsorption capacity to moisture and various pollutants and frequent in replacement are overcome; the adsorbent service cycle is prolonged and the operation and maintenance cost is reduced.

A method of removing a pollutant from water includes contacting a CaV2O6 / CaSiO3 / g-C3N4 nanocomposite with a solution comprising one or more pollutants. The CaV2O6 / CaSiO3 / g-C3N4 nanocomposite includes a graphite-phase carbon nitride (g-C3N4) in an amount of 20 to 40 percent by weight (wt. %), calcium silicate (CaSiO3) in an amount of 20 to 40 wt. %, and calcium metavanadate (CaV2O6) in an amount of 20 to 40 wt. %, based on a total weight of the CaV2O6 / CaSiO3 / g-C3N4 nanocomposite.

The utility model discloses a multi-sensor environment monitor for real-time data transmission. The multi-sensor environment monitor comprises a surface shell, a bottom shell matched with the surface shell, a 4G external antenna with one end inserted into the surface shell, a sound cavity arranged on the surface shell, a buzzing sheet arranged on the sound cavity, a PCB assembly arranged on the bottom shell, a gas sensor, a laser dust sensor and a 4G small plate, a main control circuit, a temperature and humidity circuit, a power supply circuit, an RS485 conversion circuit, a voice output circuit, an LED lamp indicating circuit and a historical record output circuit are arranged on the PCB assembly; the corresponding ends of the main control circuit are electrically connected with the corresponding ends of a temperature and humidity circuit, a power supply circuit, an RS485 conversion circuit, a voice output circuit, a historical record output circuit, an LED lamp indicating circuit, a buzzer, a 4G small plate, a 4G external antenna, a gas sensor and a laser dust sensor. According to the utility model, the hydrogen sulfide sensor, the ammonia gas sensor, the methane gas sensor and the laser dust sensor are integrated, various pollutants can be monitored at the same time, the monitoring process is simplified, and the equipment cost is reduced.

The invention provides a method and a system for removing COD (Chemical Oxygen Demand), total phosphorus and fluoride in stainless steel wastewater, and the method comprises the following steps: carrying out primary advanced treatment on the stainless steel wastewater by using a modified bentonite composite agent to obtain a primary mixed solution; and conveying the primary mixed solution to a modified ceramic microfiltration membrane device provided with a modified ceramic microfiltration membrane for filtration treatment to obtain a secondary treated solution. According to the method and the system for removing the COD, the total phosphorus and the fluoride in the stainless steel wastewater, provided by the invention, the modified bentonite composite agent with multiple active sites is utilized, so that various pollutants in the stainless steel wastewater can be efficiently and synchronously removed, and integrated treatment of the COD, the total phosphorus and the fluoride is realized; fine flocs and colloidal pollutants in the primary mixed liquid can be efficiently intercepted through a modified ceramic microfiltration membrane, so that the effluent stably meets the limit value requirements of COD (Chemical Oxygen Demand), total phosphorus and fluoride in Class III water quality standards of Environmental Quality Standards for Surface Water (GB 3838-2002) for a long time.

The main purpose of the present invention is to develop a modular system and a method for capturing and monitoring carbon dioxide (CO2) and multiple pollutants generated by combustion in stationary sources. The captured CO2 can be used as raw material for production or activities with added value in various industries.

The utility model discloses an ecological filter system, which relates to the technical field of polluted water treatment and comprises a column type treatment filter and an aeration device. An inlet for injecting polluted underground water is formed above the column type treatment filter tank, and a water outlet is formed below the column type treatment filter tank; a functional reaction filler layer is arranged in the column type treatment filter tank; the functional reaction filler layer comprises an iron-carbon filler, the iron-carbon filler is an iron-carbon ball formed by mixing scrap iron and biochar, the iron-carbon filler is soaked in a bacterial liquid, and the bacterial liquid is obtained by expanding culture of organic matter degradation denitrifying bacteria; the aeration device is provided with an aeration pipe which is positioned in the functional reaction filler layer. According to the invention, various pollutants can be efficiently and synchronously treated, and a relatively high pollutant removal function is achieved.

This disclosure provides a method for establishing a root concentration factor prediction model, which can be applied to the field of environmental health risk assessment technology. The method includes: acquiring a first dataset and first labels for multiple compounds; optimizing the first model parameters of a first training model using the first dataset and first labels to obtain a primary model containing primary model parameters; acquiring a second dataset and second labels for multiple pollutants; and optimizing the second model parameters of the primary model using the second dataset and second labels to obtain a root concentration factor prediction model. This disclosure also provides a training device for the root concentration factor prediction model and a root concentration factor prediction method.

A fuel tank system is disclosed. The fuel tank system includes a fuel tank and a detection system associated with the fuel tank. The detection system includes a source device emitting light into the fuel tank and an analysis device. The analysis device includes a collection device capturing scattered light resulting from the emitted light interacting with fuel in the fuel tank and providing an optical signal corresponding to the captured scattered light. The analysis device includes an optical detection device converting the optical signal to an electronic signal representative of properties of the captured scattered light and a computing device. In one or more embodiments, the computing device generates, based on the electronic signal, data including an indication of: a presence or absence of one or more contaminants in the fuel tank, a type of the one or more contaminants, and location information of the fuel and contaminants.