427results about "Hydrogen separation" patented technology

A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.

A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.

The utility model discloses hydrogen purification equipment and an ammonia production system, and relates to the technical field of hydrogen purification, and the hydrogen purification equipment comprises an air separation device, a hydrogen production device, a heat exchange part and a filtering part; the air separation device is provided with a refrigerant discharge pipe; the hydrogen production device is provided with a hydrogen discharge pipe; the heat exchange part is provided with a refrigerant inlet end, a hydrogen inlet end and a hydrogen outlet end, the refrigerant discharge pipe is communicated with the refrigerant inlet end, the hydrogen discharge pipe is communicated with the hydrogen inlet end, and a refrigerant discharged by the refrigerant discharge pipe and hydrogen discharged by the hydrogen discharge pipe can be subjected to heat exchange; the filter is provided with an inlet end and an outlet end which are mutually communicated; the inlet end is communicated with the hydrogen outlet end; according to the technical scheme, the utilization rate of hydrogen is increased.

The utility model relates to the field of waste gas purifiers, in particular to a waste gas purification device for hydrogen-oil-gas separation, which comprises a rectangular bottom plate, an oil-gas separation box is arranged on the bottom plate, a hydrogen purification tank is fixedly connected onto the bottom plate, and a filter box is fixedly connected onto the bottom plate. When the oil-gas separation device is used, oil can be separated through the oil-gas separation box, heavy oil flows out from the lower part of the oil-gas separation box through the oil outlet pipe, the first electromagnetic valve controls the oil to flow in the oil outlet pipe, and light waste gas enters the hydrogen purification tank from the first gas outlet pipe after being preliminarily filtered by the first filter screen; the palladium alloy separation pipe in the hydrogen purification tank is used for separating hydrogen in the waste gas, and the filter box is used for further filtering the waste gas after hydrogen purification, so that the filter effect is better, air pollution is avoided, and the hydrogen in the waste gas can be recycled.

The invention relates to the technical field of methanol resource utilization, and discloses a system for preparing methanol based on SOEC-CH4 electrolysis, which is characterized in that a cathode subsystem main body reacts to generate water vapor and H2 mixed gas, the water vapor and H2 mixed gas are condensed and separated to obtain H2, and most of H2 is conveyed to an H2 storage buffer tank and stored; the anode subsystem for preparing CO2 comprises a CH4 tank, an anode subsystem main body and an electrolytic bath anode of an SOEC electrolytic bath which are communicated in sequence, and the anode subsystem main body reacts to generate water vapor, CH4 and CO2 mixed gas; the mixed gas of the water vapor, CH4 and CO2 is subjected to condensation and adsorption separation to obtain CO2, and most of CO2 is conveyed to a CO2 storage buffer tank to be stored; and the methanol preparation subsystem reacts to obtain methanol. According to the system for preparing methanol through electrolysis, methane is introduced to prepare carbon dioxide, the technical problems of high energy consumption and low comprehensive utilization rate of waste heat and wastewater are solved, and cost is greatly reduced to prepare methanol.

The utility model relates to a hydrogen purification system based on magnesium-based hydride, which comprises a buffer tank, a gas inlet of the buffer tank is connected with a discharge end of a hydrogen purification module through a first gas path header pipe, and a vacuum pump is mounted on the first gas path header pipe in a matched manner. An exhaust port of the buffer tank is connected with a feeding end of the hydrogen purification module through a second gas path header pipe, a metal hydrogen storage material is arranged in the hydrogen purification module, and a feeding port of the buffer tank is connected with an exhaust port of the feed gas storage device through a third gas path header pipe. By arranging the hydrogen purification module, hydrogen components in raw material gas can be absorbed based on magnesium hydride, and compared with some traditional physical and chemical purification schemes, the production cost is low; meanwhile, the number of hydrogen storage tanks in the hydrogen purification module can be reasonably set according to purification requirements, the use flexibility is good, the purity of obtained hydrogen is high, no other impurity gas is mixed in the purification process, and the working efficiency of the system is high.

Systems and methods for synthesizing ammonia include one or more electrochemical hydrogen pumps to recover excess hydrogen gas from the ammonia synthesis product stream. The systems and methods improve overall yield and efficiency of the ammonia production process by separating and purifying hydrogen gas that otherwise would be lost.

The invention discloses a cascade energy supply and green hydrogen coupling biomass all-carbon directional conversion synthesis gas system and method, and belongs to the technical field of biomass energy conversion. The system comprises a first-stage gasification furnace, a second-stage gasification furnace, a gas-solid separator, an alkane reforming device, a reverse water-gas shift device and a water electrolysis device. The method comprises the following steps: pyrolyzing a biomass raw material and a catalyst in a primary gasifier (500-700 DEG C) to generate semicoke and tar-containing fuel gas; carrying out catalytic co-gasification on the semicoke and tar-containing fuel gas in a secondary gasifier (800-900 DEG C), and realizing tar cracking and CH4 reforming by using a catalyst to obtain crude synthesis gas; after being subjected to high-temperature dust removal, the crude synthesis gas sequentially passes through a self-heating alkane reforming device (CH4lt; 1%) and a reverse water-gas shift device, and finally synthesis gas with the H2 / CO ratio of 2: 1 is produced, so that the chemical application requirements of methanol, Fischer-Tropsch synthesis and the like are completely met, the high energy consumption bottleneck of a traditional process is broken, and full-life-cycle negative carbon emission is achieved.

An ironmaking method comprising the production of hot metal (2) and of a blast furnace top gas (10), the method comprising the steps of capturing at least a part of the top gas (10), separating CO2 from the captured top gas (10) so as to produce a CO2-rich stream (12) and a CO2-lean stream (11), mixing the CO2-rich stream (12) with a H2 makeup stream (30) and subjecting the obtained CO2 / H2 gas mixture to a reverse water gas shift reaction in a reactor (3) to produce a reducing stream (13) comprising CO and H2, separating H2 from the reducing stream to produce a CO- rich stream (14) and an H2-rich stream (15), mixing the H2-rich stream (15) with the CO2-rich stream (12) or with the CO2 / H2 gas mixture in the reactor (3) and subjecting the obtained gas mixture to the reverse water gas shift reaction and feeding at least a portion of the CO-rich stream 14 (13) to at least one chemical or biochemical plant (4) to produce one or more chemical products (16).

The invention is applicable to the technical field of hydrogen production, and provides filtering and purifying equipment for hydrogen production and a purifying method.The filtering and purifying equipment comprises a box body, a barrel body and a drying box which are arranged on a base plate; the first partition plate is fixed in the box body and is used for dividing an inner cavity of the box body into at least two independent filtering treatment chambers; and the gas inlet assembly is correspondingly matched with the filtering treatment chambers and is used for conveying hydrogen to be purified to each filtering treatment chamber. According to the filtering and purifying equipment for hydrogen production and the purifying method provided by the scheme, the box body is divided into at least two independent filtering treatment chambers through the first partition plate, and the valve on the gas inlet pipe is matched, so that when part of the filtering treatment chambers are maintained, other filtering treatment chambers can be utilized to continue working, the downtime of the equipment is greatly shortened, and the working efficiency is improved. The influence on an industrial production process is reduced.

The invention provides an electrolyzed water oxygen supply system for a hydrogen battery multifunctional cabin and an oxygen post-treatment method, and relates to the technical field of electrolyzed water oxygen generation. The electrolyzed water oxygen supply system for the hydrogen battery multifunctional cabin comprises an electrolyzed water device, a filtering mechanism, a purifying mechanism and a drying mechanism. Wherein the water electrolysis device is used for electrolyzing water to prepare hydrogen and oxygen; the filtering mechanism is used for filtering oxygen generated by the water electrolysis device; the purification mechanism is provided with a purification cavity carrying purification liquid, the purification liquid is hydrogen peroxide, and the purification cavity is used for receiving the filtered oxygen and purifying the filtered oxygen through the purification liquid; the purification mechanism is used for receiving and decomposing hydrogen peroxide in the purified oxygen so as to output the purified oxygen; the drying mechanism is used for drying the purified oxygen to a first preset humidity and controlling the temperature of the oxygen to a preset temperature. Oxygen with purity, humidity and temperature meeting relevant requirements can be output, and the use efficiency of the oxygen can be effectively improved on the basis of reducing the cost.

Provided are: a hydrogen separation filter which has a high hydrogen permeation rate and which prevents or reduces separation between layers; and a method for producing the hydrogen separation filter. The hydrogen separation filter includes a porous substrate and a palladium layer provided on the porous substrate. The grain boundary number density observed in a cross-sectional secondary electron image of the palladium layer is 1-5 grains / [mu] m. A method for manufacturing a hydrogen separation filter includes forming a palladium layer on a porous base material by a sputtering method while keeping the temperature of the porous base material at 300-600 DEG C.

The invention belongs to the technical field of methanol hydrogen production, and discloses an online methanol hydrogen production global control system, which comprises a feeding and evaporation unit, a reforming reaction unit, a gas purification and separation unit, a hydrogen storage and supply unit, a multi-source sensor group and a controller, the controller comprises a soft measurement module, a double-layer model prediction control module and a safety degradation module, and the soft measurement module estimates CO concentration in real time based on characteristics such as a temperature field, pressure drop and heating power. The double-layer model predictive control module realizes comprehensive optimization of hydrogen purity, energy efficiency and catalyst life through combination of inner-layer steady-state control and outer-layer economic optimization, and the safety degradation module triggers limited power or inerting purging operation under abnormal conditions. According to the invention, the whole-process optimal control from feeding, reaction, purification to hydrogen supply can be realized, the hydrogen purity and the system efficiency are improved, the CO concentration fluctuation is reduced, the service life of the catalyst is prolonged, and continuous and safe hydrogen supply is still maintained under the condition of sensor failure or operation disturbance.

In a method for producing ammonia synthesis gas, a gas mixture containing hydrogen, argon, carbon monoxide, carbon dioxide and methane is derived from a reformer (R) in combination with a combustion unit (H), said mixture (1) being treated in order to remove its contained carbon dioxide, then cooled (3, 5) and separated in a cryogenic separation unit in an adiabatic chamber (CB), the mixture is separated in order to provide a liquid (21) which has been purified with carbon monoxide and / or methane, said liquid (21) being vaporized and fed as fuel to a combustion unit (H).

The present invention relates to a gas diffusion electrode comprising a metal M selected from Ag, Au, Cu, Pd and mixtures and / or alloys and / or salts thereof and at least one binder, wherein the gas diffusion electrode comprises hydrophilic and hydrophobic pores and / or channels, wherein an ion transport material is at least partially contained in the pores and / or channels of the gas diffusion electrode and / or an ion transport material is at least partially applied to the surface of the gas diffusion electrode; the present invention also relates to a method for preparing the gas diffusion electrode, the use of the gas diffusion electrode in the reduction of CO2 and / or CO, and an electrolysis cell and an electrolysis system each comprising the gas diffusion electrode.

To provide an electrochemical cell and a current collector layer material capable of suppressing a decrease in electrical conductivity of a current collector layer.SOLUTION: A liquid fuel synthesis system 100 comprises a liquid fuel synthesis unit 110 and a sweeping gas supply unit 120. The liquid fuel synthesis unit 110 allows a water vapor, which is one of products in a conversion reaction from a raw material gas containing at least hydrogen and carbon dioxide to a liquid fuel, to permeate. The sweeping gas supply unit 120 supplies a sweeping gas for sweeping the water vapor that has permeated the separation membrane 112 to the liquid fuel synthesis unit 110. The sweeping gas contains hydrogen or carbon dioxide as a main component.SELECTED DRAWING: Figure 1

The invention discloses a biomass pyrolysis and gasification hydrogen production device and method, and belongs to the field of biomass pyrolysis and gasification hydrogen production. The biomass pyrolysis and gasification hydrogen production device comprises a fixed bottom plate, and the top end of the fixed bottom plate is fixedly connected with a biomass pyrolysis gas assembly and a chemical looping hydrogen production assembly; a pyrolysis gas conveying pipe is communicated between the biomass pyrolysis gas assembly and the chemical-looping hydrogen production assembly, the chemical-looping hydrogen production assembly is connected with the cyclone separator, and waste discharge areas of the biomass pyrolysis gas assembly, the chemical-looping hydrogen production assembly and the cyclone separator are all connected with collecting assemblies; according to the biomass pyrolysis gasification hydrogen production device, uniform pyrolysis of raw materials is guaranteed through a dispersion funnel of the biomass pyrolysis reactor, pyrolysis gas makes full contact with an oxygen carrier through the design of inclined gas distribution holes of the chemical looping hydrogen production reaction tank, reaction conditions are further optimized through accurate control over parameters of the oxidation reduction section, and compared with a traditional device, the yield of hydrogen is increased.

The utility model relates to the technical field of condensation recovery, and discloses a condensation recovery device of a nitriding furnace distillation retort, which comprises a reaction furnace with an open bottom and fixed in the air, a sealing bottom cover arranged right below the reaction furnace, a lifting module arranged below the sealing bottom cover, and a uniform air supply structure arranged in the reaction furnace, ammonia gas, hydrogen and other gases are respectively fed into the reaction furnace through the uniform air supply structure; the condensation shunting structure comprises a condensation chamber, is arranged above the reaction furnace and is connected with the reaction furnace through an exhaust pipe, waste gas is converted into hydrogen and ammonia water through the condensation shunting structure, and the hydrogen is recycled; the decomposition and diversion structure comprises a decomposition chamber arranged on one side of the reaction furnace, the top of the decomposition chamber is connected with the condensation chamber through a flow guide pipe, ammonia water is decomposed into ammonia gas and water in the decomposition chamber, and the ammonia gas is recycled. Compared with the prior art, the device disclosed by the utility model has the advantages that the condensation shunting structure is arranged, so that waste gas can be condensed, ammonia water is prevented from flowing back, and hydrogen and ammonia gas are recycled.

The invention discloses a reaction system for producing hydrogen through coal supercritical water gasification. The reaction system comprises a vertical tank body, a heat insulation lining, a gas collection chamber, a separator, a slag collection chamber, a coal water slurry distribution pipe and an inlet diffuser, the separator is arranged between the gas collection chamber and the slag collection chamber, an upper exhaust port of the separator is communicated with the gas collection chamber, and a lower slag discharge port of the separator is communicated with the slag collection chamber; an ash inclined pipe at the lower part of the slag collecting chamber extends out of the vertical tank body to form an ash outlet; the coal water slurry distribution pipe is an annular pipe, and coal water slurry distribution holes are formed in the coal water slurry distribution pipe; the inlet diffuser is mounted at the bottom head of the vertical tank body; the inlet end of the supercritical water inlet pipe extends out of the bottom head of the vertical tank body to form a supercritical water inlet; a coal water slurry inlet is formed in the coal water slurry distribution pipe; a gas outlet is formed in a top sealing head of the vertical tank body; the lower end of the gas outlet is communicated with the gas collecting chamber. According to the invention, coal is gasified in a supercritical water environment to generate hydrogen, so that clean utilization of coal is realized; uniform heat supply of supercritical water to gasification reaction can be realized, and high-efficiency gasification of coal under large treatment capacity is realized.

TITLE OF THE INVENTION: DEVICE AND METHOD FOR SEPARING MIXED DIHYDROGEN IN A NATURAL GAS NETWORK A device (35) for separating mixed dihydrogen in a natural gas network, comprising: - an inlet pipe (11) for a gaseous mixture of dihydrogen and natural gas, said inlet pipe including a flow meter (14), - a first outlet (33) for a first gaseous mixture enriched in dihydrogen, - a second outlet (26) for a second gaseous mixture depleted in dihydrogen, said second pipe including a sensor (22) for a dihydrogen concentration, - at least two membrane permeation separation modules (20-1, 20-2, 20-3, 20-4, 20-5) mounted in parallel, producing a retentate discharged through the first outlet and a permeate discharged through the second outlet, connected to the general inlet pipe via a connector (16) comprising a valve (17),and - an automated control system (34) for each valve, determining the number of open valves based on the gas mixture flow rate and the dihydrogen concentration, and controlling the actuation of all or part of the valves according to the determined number. Figure for the abbreviation: Figure 1,

The invention provides a gas-liquid separation device, the gas-liquid separation device is arranged to be suitable for gas-liquid separation of a mixture generated by water electrolysis by means of gravity, the gas-liquid separation device comprises a tank body, the lower portion of the tank body in the vertical direction is provided with a liquid containing area, and the liquid containing area is provided with a liquid outlet. The gas-liquid separation device further comprises partition plates arranged in the tank body, the peripheries of the partition plates are attached to the inner wall of the tank body, the liquid containing area is divided into a plurality of horizontally-distributed sub-areas through the partition plates, and at least two sub-areas are arranged in any horizontal direction. According to the gas-liquid separation device, the partition plates are arranged in the tank body and divide the liquid containing area in the tank body into a plurality of sub-areas, and water in the liquid containing area flows among the sub-areas through the through holes in the partition plates when shaking, so that damping to the water is increased, the shaking water level in the liquid containing area is further reduced, and the water quality is improved. And the slamming pressure of water on the inner wall surface of the tank body.

The utility model relates to the technical field of hydrogen preparation, in particular to a pure hydrogen preparation system capable of recycling impurity hydrogen, which is technically characterized by further comprising an impurity hydrogen recycling system, and the impurity hydrogen recycling system comprises a gas intercepting part and a purging part, the gas interception part is communicated with the tail gas emission end of the target membrane purifier, the purging part comprises a rectangular annular pipeline, and the two ends of the annular pipeline in the length direction extend towards a molecular sieve target catalyst system respectively and are communicated with the molecular sieve target catalyst system; and purging one-way valves are arranged on the edges of the two ends of the annular pipeline in the length direction, the purging one-way valves point to and deviate from the molecular sieve target catalyst system, and the length edge of the end, deviating from the molecular sieve target catalyst system, of the annular pipeline is communicated with an exhaust hole. When the system works, the recycled purge gas can heat the molecular sieve, so that the regeneration effect is improved, and the service life of the molecular sieve is prolonged.

The present invention provides a method for catalytically pyrolyzing a methane-containing stream, comprising at least the steps of: (a) providing a methane-containing stream (10); (b) feeding the gaseous methane-containing stream (10) in the form of gas bubbles into a reaction zone (3) containing molten salt and catalyst particles, the catalyst particles being suspended in the molten salt; (c) subjecting the methane-containing stream to catalytic pyrolysis in the reaction zone (3), thereby obtaining solid carbon and gaseous hydrogen; (d) allowing the molten salt, solid carbon, and gaseous hydrogen to migrate upward from the reaction zone (3) to an intermediate zone (4) while the catalyst particles are retained in the reaction zone (3); and (e) optionally returning a first portion of the molten salt from the intermediate zone (4) to the reaction zone (3) or from an upper portion of the reaction zone (3) via a return loop (6). (f) using an inverted funnel (9) to allow a second portion of the solid carbon, gaseous hydrogen, and molten salt to move further upward from the intermediate zone (4) to the separation zone (5) by gas entrainment; and (g) removing the solid carbon and gaseous hydrogen from the separation zone (5), wherein gas bubbles are broken by a first bubble breaker (7) having an open area of ​​more than 90% when the molten salt, solid carbon, and gaseous hydrogen are moving upward from the reaction zone (3) to the intermediate zone (4) in step (d), and gas bubbles are broken by a second bubble breaker (8) when the molten salt, solid carbon, and gaseous hydrogen are moving upward from the intermediate zone (4) to the separation zone (5) in step (f). [Selected drawing] Figure 1

A process for producing an aldehyde is disclosed. The process comprises: hydroformylating an olefin to form the aldehyde using a hydroformylation catalyst; recovering an effluent stream comprising the aldehyde, hydrogen and the hydroformylation catalyst; passing the effluent stream to a stripper; contacting the effluent stream with a strip gas in the stripper to produce a stripped effluent stream having a lower hydrogen concentration than the effluent stream; and recovering the stripped effluent stream.

The present invention relates to a process for preparing carbon monoxide (CO) and molecular hydrogen (H2) from a textile material, processes for preparing valuable components using one or more of the prepared CO and H2, and a recycling unit for carrying out said process for preparing CO and H2 from a textile material.

A method for purifying a crude hydrogen feed stream utilizes an adsorbent having a N2 / Ar selectivity ranging from 2 to 4 at 30° C. and a Henry's law coefficient for argon ranging from 0.15 to 1.0 mmole / g / atma at 30° C. The composition of crude hydrogen streams from processes in which carbon dioxide is captured necessitates new criteria for adsorbent selection to improve recovery.

A clean filter device and a hydrogen production device. The clean filter device is applied to the hydrogen production device. The clean filter device comprises a filter, a filter element and a separation member, wherein the filter element is mounted in the filter and divides the interior of the filter into an upper cavity and a lower cavity; the lower cavity is provided with a first input channel, and the upper cavity is provided with a gas output channel; the separation member is arranged in the lower cavity corresponding to the position of the first input channel, and the separation member is configured to perform a pre-separation treatment on a gas to be treated entering the lower cavity through the first input channel; and the filter element is configured to filter the gas subjected to the pre-separation treatment and discharge same through the gas output channel. The clean filter device is used for reducing the adverse effects of various metallic and non-metallic solid impurities on electrolytic chemical reactions in electrolytic cells, electrical instruments, and container corrosion, thus optimizing gas purity, and improving the reliability and safety of the operation of the hydrogen production device.

The invention discloses a reaction device for producing hydrogen through coal supercritical water gasification. The reaction device comprises an inner-layer vertical tank body, an outer-layer vertical tank body, a jacket layer of the inner-layer vertical tank body, a gas collection chamber, a separator, a slag collection chamber, a coal water slurry distribution pipe and an inlet diffuser, the separator is arranged between the gas collection chamber and the slag collection chamber, an upper exhaust port of the separator is communicated with the gas collection chamber, and a lower slag discharge port of the separator is communicated with the slag collection chamber; an ash inclined pipe is arranged at the lower part of the slag collecting chamber and extends out of the outer-layer vertical tank body to form an ash outlet; the coal water slurry distribution pipe is an annular pipe, and coal water slurry distribution holes are formed in the pipe wall; the inlet diffuser is mounted at a bottom sealing head of the inner-layer vertical tank body and directly faces the outlet end of the supercritical water inlet pipe, a gas outlet extending out of the outer-layer vertical tank body is formed in a top sealing head of the inner-layer vertical tank body, and the lower end of the gas outlet is communicated with the gas collecting chamber. According to the invention, coal is gasified in a supercritical water environment to generate hydrogen, so that clean utilization of coal is realized; uniform heat supply of supercritical water to gasification reaction can be realized, and high-efficiency gasification of coal under large treatment capacity can be realized.

The application relates to the technical field of gas-liquid separation, and provides a device and a method for reducing hydrogen content in oxygen by using a multistage gas-liquid separation technology, which comprises a separator, the inner cavity of the separator is sequentially divided into a first separation cavity and a second separation cavity from top to bottom, and the first separation cavity is communicated with the second separation cavity; a gas-liquid cyclone inner part is arranged in the first separation cavity; a strong centrifugal force field generated by the gas-liquid cyclone inner part is used for making micron-sized bubbles in a hydrogen-electrolyte mixture coalesce and separate, and free-state fine bubbles in the hydrogen-electrolyte mixture are efficiently removed; a throttling device is arranged between the first separation cavity and the second separation cavity, over-saturated dissolved hydrogen in hydrogen-rich electrolyte after first separation in the first separation cavity is depressurized through the throttling device, the hydrogen is actively precipitated by using static pressure drop, and separation is completed in the second cavity, so that the purpose of reducing hydrogen content in oxygen is achieved. The two-stage progressive separation structure significantly improves the hydrogen separation efficiency, and reduces the hydrogen content in oxygen to a low level.

A system for photocatalytic conversion includes a flowline, in which a production flow travels in a flow direction; and a reactor module. The reactor module includes a waveguide; a photocatalyst coupled to the waveguide, configured to convert hydrogen sulfide in the production flow to hydrogen and sulfur; a heater configured to heat a bottom of the reactor module, such that the sulfur is in liquid phase; and a sulfur collector configured to collect the sulfur. A method for photocatalytic conversion includes introducing a production flow from a flowline to a reactor module, the production flow including hydrogen sulfide and traveling in a flow direction; directing a light from a light source to a photocatalyst through a waveguide; converting the hydrogen sulfide into hydrogen and sulfur using the photocatalyst; and heating a portion of the reactor module to an elevated temperature, the sulfur in a liquid phase under the elevated temperature.