60 results about "Iron Carbonyl Compounds" patented technology

A solution prepared by dissolving an organic metal compound in an organic solvent is sprayed from a pore nozzle into a pre-heating furnace of 50 to 600° C. in a reaction furnace in a rare gas atmosphere of 500 Torr or less by pressurizing with an inert gas; a mixed gas of the organic metal compound and the organic solvent which are pre-heated and vaporized is fed into a main heating furnace which is adjacent to the above pre-heating furnace and heated to 550 to 1000° C. in a rare gas atmosphere of 500 Torr or less; the organic metal compound is thermally decomposed to produce metal fine particles; the organic solvent is thermally decomposed with the above particles being used as a catalyst to produce carbon atoms; and a graphene sheet is grown in a growing part provided at a downstream side of the main heating furnace, whereby a single-walled carbon nanotube is prepared. Ferrocene and iron carbonyl can be used as the organic metal compound, and alcohols and ethers can be used as the organic solvent.

The invention discloses a preparing method for compound modified and mineralized rubbish from water treatment materials. The method comprises the following steps: adding dry and smashed 40-100 mesh mineralized rubbish into a cation surface active agent solution, wherein 0.3-0.4mmol cation surface active agent is added in one gram of mineralized rubbish; stirring the mixture for 1-2 hours under the condition of 50-70 DEG C water bath, thereby preparing suspension liquid; adding a 0.2mol / L FeCl3 solution into the suspension liquid and then stirring for 5 minutes till acquiring the suspension liquid, wherein 0.3-2mmol FeCl3 is added in one gram of mineralized rubbish; dropwise adding a 0.3mol / L NaOH or Na2CO3 solution into the suspension liquid under the condition of 50-70 DEG C stirring water bath, till OH- / Fe3+ is equal to 1.5-2.5; ageing a product for more than 10 hours at room temperature; and lastly repeatedly cleaning and filtering, drying at 60-90 DEG C, grinding and filtering with a 100 mesh sieve, thereby acquiring the compound modified and mineralized rubbish. Organic (surface active agent) and inorganic (iron carbonyl) modified groups are formed on the surface of the compound modified and mineralized rubbish, thereby being capable of simultaneously absorbing and removing phosphate radicals and organic pollutants by the prepared compound modified and mineralized rubbish.

The invention relates to a water-retaining modified active carbon material and a preparation method of the active carbon material. The modification is carried out by taking the common active carbon material in a cigarette filter rod as a substrate. An iron carbonyl compound layer is added on the surfaces of the active carbon for a cigarette by an iron carbonyl modifier. The testing results of physical absorption, scanning electron microscope and dynamic water analysis show that the number of pores on the surface of the modified active carbon material is increased, and the adsorption power on the water molecules is increased; and moreover, for the iron carbonyl has a plurality of hydroxy groups, the adsorption capacity of the active carbon material on the water molecules can be strengthened by hydrogen-bond interaction. After the active carbon material is added into the cigarette, the water molecules escape from the material due to high temperature when the cigarette is burned, so that the moisture content in the main stream smoke of the cigarette is increased; and furthermore, the water-retaining material can well meet the water-retaining requirements of the cigarette, and the price is cheap, and applicability and high efficiency can be achieved.

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains an iron-organosilicon ligand complex that can be prepared by reacting an iron carbonyl compound and an organosilicon ligand.

The invention discloses a method for preparing an absorptive reducing material, which comprises the following steps of: dropwise adding 0.3-0.4mol of Na2CO3 solution into an FeCl3 solution with the volume of 1L and the concentration of 0.6-0.8mol / L at room temperature for preparing iron carbonyl pillared liquid; dropwise adding 50-100mL of iron carbonyl pillared liquid into suspension containing 10g of bentonite in a water bath at 60-65 DEG C for preparing inorganic pillared bentonite; and finally, carrying out mixing reaction on the obtained inorganic pillared bentonite with 60-100mL of organic solvent and 5-20mmol of silylating reagent. With the bentonite used as a matrix, nano zero-valent iron is prepared among bentonite nano layers, which can be used for controlling water pollution, and the like; by introducing the silylating reagent among the bentonite layers, on one hand, the drainage performance of bentonite and the absorptive capability of organic matter are improved, on the other hand, the distance of the bentonite layers can be expanded; the nano zero-valent iron fully plays a role in fully touching adsorbed pollutants and performs the nano effect of rapidly converting the pollutants, and a converted organic product is beneficial to microbiological degradation.

The invention relates to a method for producing a magnetic control sand wheel, which comprises the following steps of: 1, mixing and stirring diamond micro powder abrasive particles, iron carbonyl powder and resin according to a weight ratio of (70-95):(30-40):(30-50); 2, heating conventionally at the temperature of between 70 and 120 DEG C; and 3, injecting a magnetic control sand wheel die, applying an electromagnetic field to ensure that the iron carbonyl powder and the diamond micro powder abrasive particles in a pouring object are arranged regularly, cooling and demolding to obtain a finished product. In the magnetic control sand wheel produced by the method, an abrasive layer is uniform in particle sizes and distribution of the abrasive particles, the magnetic control sand wheel is small in volume and difficult to deform, the ground surface of the sand wheel is uniform in quality during ultraprecise grinding, the cost is reduced, and the quality is improved, so the method is a machining process which meets the environmentally-friendly requirement.

The invention discloses a synthesis method of a bentonite loaded iron carbonyl adsorbent. The synthesis method comprises the following steps: dropwise adding a NaOH or Na2CO3 solution into a ferric nitrate solution under water bath stirring condition, aging a product after ending the dropwise adding, diluting hydroxyl, then adding bentonite powder, stirring and separating sediment, adding the solid part into a tetramethylammonium chloride solution, stirring, washing and drying; putting the dried product in a microwave oven and irradiating the product for 3-6 minutes by using microwave; and finally adding the product irradiated by the microwave into a lithium chloride solution, stirring, separating sediment, washing and drying to obtain the bentonite loaded iron carbonyl adsorbent. The synthesis method has the advantage that the microwave is used for decomposing interlayer organic matters and breaking a layer structure of the bentonite to form a sawtooth structure, so that hole diameter is increased, thereby effectively increasing the adsorption speed of the iron carbonyl.

The invention discloses a PVC (polyvinyl chloride) plastic wood board and a preparation method thereof. The PVC plastic wood board is prepared from the following raw materials in part by weight: 100-105 parts of polyvinyl chloride, 15-18 parts of kaolin, 30-35 parts of wood powder, 5-7 parts of iron carbonyl powder, 0.8-1.2 parts of copper sulfate pentahydrate, 4-6 parts of nitrile rubber, 0.2-0.4 part of titanate coupling agents NDZ201, 0.4-0.6 part of silane coupling agents YH62, 4-5 parts of vaseline, 3-4 parts of octyl zinc maleate, 6-7 parts of light calcium carbonate and 4-5 parts of ceramic powder. The prepared PVC plastic wood board is high in impact resistance and high in size stability, is wear-resistant, chemical-corrosion-resistant and moth-proof, has dual machinability of wood and plastics, and is high in practicability and worthy of being popularized.

The invention discloses a water-soluble iron carbonyl compound, and a preparation method and an application thereof. The compound has a structural formula represented by the formula (1). When the compound is subjected to a reaction with mercaptoethylamine, CO can be released. The compound provided by the invention has good water solubility and appropriate stability. Metal ions and organic ligands involved in the reaction have good biocompatibility. Residual substances after CO releasing are harmless or slightly toxic to bodies. The timing and rate of CO releasing are easy to control.

A process for producing purified cobalt from a mixture comprising metallic species of cobalt and metallic species of at least one of the group consisting of nickel and iron, comprising producing a metal carbonyl mixture of cobalt carbonyl and at least one of nickel carbonyl and iron carbonyl from the metallic species mixture; separating the nickel carbonyl and / or iron carbonyl from the cobalt carbonyl; treating the cobalt carbonyl with an effective amount of a complexing gaseous mixture of nitric oxide / carbon monoxide to produce cobalt nitrosyl tricarbonyl; and decomposing the purified cobalt nitrosyl carbonyl to provide purified cobalt and regenerated complexing gaseous mixture for recycle. The process provides cobalt of improved quality in an optionally, Continuous and closed-loop manner. Preferred processes include either aqueous and / or gaseous process steps.

The invention discloses a thallium removing system for a water body. The thallium removing system is prepared from a ferrous ion reagent and a peroxydisulfate reagent, wherein the ferrous ion reagentis a substance which can ionize out ferrous ions in the water body; the peroxydisulfate reagent is a substance which can ionize out peroxydisulfate in the water body; ferrous ions fed into the water body are synthesized with the peroxydisulfate to remove monovalent thallium in the water body through iron carbonyl colloid adsorption and oxidative precipitation of thallium. The thallium removing mechanism of the thallium removing system mainly lies in thallium adsorption and thallium oxidative precipitation by iron carbonyl colloid; the ferrous ion reagent and the peroxydisulfate reagent form aFe<2+>-S2O8<2-> system in the water body; the monovalent thallium in the water body is oxidized into trivalent thallium by the peroxydisulfate, and the trivalent thallium is precipitated by generatinghydroxide. The ferrous ions are oxidized into ferric ions (Fe<3+>) at normal temperature; the ferric ions have a certain flocculation effect and can accelerate the precipitation of the thallium. Thethallium removing system disclosed by the invention overcomes the technical defects of removing the thallium by an existing chemical method, has excellent thallium removing efficiency and can be widely applied to treatment of various kinds of thallium-containing wastewater.

The invention discloses a system and a method for treating acidic wastewater produced in acid making with smelting gas. The system and method disclosed by the invention are implemented through the steps that after a sodium sulfide solution and acidic wastewater are fed into a first-order reactor to react for removing part of heavy metals and arsenic in acid water, the obtained object enters a first-order thickener; bottom mud in the thickener, after being subjected to, is recycled, liquid supernatant and filtrate produced by a filter press enter a second-order reactor, and then the liquid supernatant, the filtrate, magnesium oxide absorption liquid discharged after being desulfurized in an environmental-friendly smelting gas gathering system and added into the second-order reactor, a prepared magnesium oxide solution, and a sulfuric acid in the acid water are subjected to a sufficient neutralization reaction by using magnesium oxide and magnesium sulfite contained in environmental-friendly gathered smelting gas desulfurized absorption liquid and a magnesium oxide solution; and an aluminum salt is added so as to reduce the heavy metal content of reaction liquid to a control range; the obtained object enters a second-order thickener, bottom mud in the thickener, after being subjected to filter pressing, is conveyed to a hazardous waste disposal site to carry out landfill disposal, and liquid supernatant and filtrate produced by the filter press enter a second-order reactor, after being subjected to deep treatment by using an iron carbonyl co-precipitation method and then reaching the standards, are recycled or discharged. According to the method, an effect of treatment of wastes with processes of wastes against one another is achieved, the pertinence is strong, the operation cost of environmental protection facilities is lowered, and the discharge amount of the system is reduced.

The invention discloses a cleaning agent for removing iron carbonyl and nickel carbonyl in synthesis gas and a preparation method and application of the cleaning agent. The invention belongs to the field of gas purification. The general formula of the cleaning agent is CuZnAl(O)-carrier; the molar ratio of Cu to Zn to Al is (58-62):(26-21):(16-17), and the mass ratio of the carrier to CuO is (1.7-2):1. The preparation method for the cleaning agent comprises the following steps of in sequence: preparing soluble salt with active ingredients into a solution A; soaking to obtain a cleaning agent precursor A; drying to obtain a cleaning agent precursor B; preparing the soluble salt with the active ingredients into a solution B; soaking to obtain a cleaning agent precursor C; drying; adding bentonite and water; extruding; and roasting to obtain the cleaning agent, wherein the reaction temperature is 170-300 DEG C, the reaction pressure is 0-2.0MPa, and the reaction airspeed is 500-8000h-1. The cleaning agent with higher removal precision more meets the requirements of the methanol large-scale synthesis gas purification aspect at present.

The invention provides a method for manufacturing a resonance rod. The method comprises the steps of: manufacturing a resonance rod blank by using the following accessories in percentage by weight: 88%-98% of water atomization iron-nickel alloy powder, 1%-8% of iron carbonyl powder, 1%-8% of nickel carbonyl powder and lubricant in an amount which is 1%-4% of the total weight of iron-nickel alloy, carbonyl iron and nickel carbonyl; performing continuous sintering and follow-up heat treatment for a blank so as to manufacture an iron-nickel alloy bar by the blank; performing cold heading processing for the bar; and performing heat treatment for the resonance rod after cold heading forming. The resonance rod manufactured by the method has high expansion coefficients and drawing coefficients, and is suitable to be arranged in a cavity filter widely. The method solves the problems that the resonance rod in the prior art is low in processing efficiency and wastes a great quantity of materials, so that the resonance rod can be produced and processed in batches.

The invention discloses a carbon monoxide releasing molecule with up-conversion nano-phosphor, a method for preparing the carbon monoxide releasing molecule and application of the carbon monoxide releasing molecule as a CO carrier medicine. The method includes synthesizing the up-conversion nano-phosphor from aqueous solution of Y, Yb and Er chloride, organic solvents and methanol solution with sodium hydroxide and ammonium fluoride; uniformly stirring surfactants, cyclohexane and cyclohexane dispersion liquid with the up-conversion nano-phosphor to obtain first mixtures, then adding ammonia water into the first mixtures to obtain second mixtures, sealing the second mixtures and then ultrasonically dispersing the second mixtures in ice bath; adding tetraethyl orthosilicate into mixtures and carrying out reaction; adding silane coupling agents with thiol into mixtures and carrying out reaction; adding dichloromethane solution with iron carbonyl compounds into mixtures, carrying out reaction and centrifuging and washing reaction products to obtain the carbon monoxide releasing molecule with the up-conversion nano-phosphor. The carbon monoxide releasing molecule, the method and the application have the advantages that the UCNPs@SiO2-CORM (up-conversion nano-phosphor@SiO2-carbon monoxide releasing molecule) is excellent in up-conversion luminescence characteristics, and CO can be released under the induction effect of near-infrared light.

The invention discloses a method for removing sulfureted hydrogen from mixture containing metal carbonyl (nickel carbonyl or iron carbonyl). The method includes that the catalyst is loaded in a fixed bed reactor; at the temperature of 5-250 DEG C, the CO mixed gas containing the nickel carbonyl or the iron carbonyl is added to the fixed bed reactor; under the air speed of 800-4000h-1, the sulfureted hydrogen in the mixed gas can be removed to below 0.1ppm.

The invention discloses a preparation method of silicon-aluminum iron carbonyl composite catalysts with utilization of iron-bearing waste. The preparation method of the silicon-aluminum iron carbonyl composite catalysts with utilization of the iron-bearing waste includes the following steps: (1) placing grinding wheel gray iron filings in a beaker, adding dilute nitric acid solutions to the beaker, placing the beaker in a constant-temperature vibrator to vibrate the beaker at constant temperature, and (2) adjusting the pH value of the reaction system to 12, continuing vibrating the beaker at the constant temperature for 30 minutes, then aging the sample, obtaining solid bodies through centrifugal separation, washing the solid bodies to be neutral, drying the solid bodies, grinding the solid bodies, and obtaining the silicon-aluminum iron carbonyl composite catalysts. The silicon-aluminum iron carbonyl composite catalysts produced through the preparation method of the silicon-aluminum iron carbonyl composite catalysts with utilization of the iron-bearing waste can effectively absorb, and catalytically degrade dyes, and have the advantages of being wide in pH application rang, and recoverable in use.

The invention relates to a preparation method and an application of a magnetic recyclable adsorbent. Ferric chloride and ferrous chloride react in an ethylenediamine aqueous solution to prepare iron carbonyl, then an organic phytic acid is taken as a phosphorus source, materials after calcination of waste egg shells are taken as a calcium source, ethylenediamine is taken as a pH regulator, citric acid is taken as an activator, carbonate-doped hydroxyapatite-coated iron carbonyl as a precursor of the magnetic recyclable adsorbent is prepared with a water bath synthesis method, the precursor is pre-oxidized at the temperature of 300-350 DEG C after a sol-gel curing process and then calcined at temperature of 450-600 DEG C, and the magnetic recyclable adsorbent is prepared. The adopted raw materials are sourced from domestic waste, the cost is low, and the prepared material is applied to passivation repair of heavy metal ions in soil and treatment of heavy metal ions in water and has low cost and good effect.

The invention provides a method for preparing load type zero valent iron for water processing. The method comprises the steps of 1), stirring a trivalence iron solution in a water bath, adding a weak base solution into the solution dropwise, enabling that OH-: Fe3+=(1:1)-(1:1.2), stirring continuously after addition, and aging to obtain a hydroxy iron pillar solution; 2), extracting the iron carbonyl column supporting liquid, adding dry ground mineralized garbage with landfill age of 8-15 years, stirring, aging, cleaning precipitates with water, drying and grinding to obtain powder; and 3), adding the powder into deionized water, under protective gases, stirring, a KBH4 solution or a NaBH4 solution is added into a stirred powder solution, and stirring continuously for 30-40 min; and 4), separating the solution, cleaning by using deoxidized deionized water, and under the protection of protective gases, drying at the constant temperature of 60-70 DEG C for 5-6 h to obtain the load type zero valent iron for waste water processing.

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains an iron-organosilicon ligand complex that can be prepared by reacting an iron carbonyl compound and an organosilicon ligand.

The invention discloses a nanometer magnetic core material. The nanometer magnetic core material is prepared from the following raw materials in parts by weight: 60-65 parts of iron carbonyl powder, 10-15 parts of iron trioxide, 25-27 parts of manganese oxide, 21-23 parts of zinc oxide, 4-5 parts of silane coupling agent kh570, 5-7 parts of organic silicon resin, 1-2 parts of polyving akohol, 7-9 parts of sodium silicate, 1-2 parts of nickel oxide, 0.4-0.5 parts of antimonous oxide, 0.3-0.4 parts of expansion mica powder and a proper amount of water. The nanometer magnetic core material has the characteristics of simple method and low cost; and in addition, the prepared material has the effects of high magnetic conductivity, high strength, high thermal resistance, fireproof property and the like, so that the requirements of conventional electric appliances on the magnetic core material can be satisfied.

The invention relates to a preparation method of a titanium dioxide doped carbon-iron composite material for photo-degrading perfluorinated organic acid. Nano-sized titanium dioxide and nano iron carbonyl are fixed on particle activated carbon, and then the titanium dioxide doped carbon-iron composite material is added into a perfluorinated organic acid solution and is used for degrading the perfluorinated organic acid under the catalytic action of ultraviolet light. The perfluorinated organic acid is adsorbed by using the nano iron carbonyl and the particle activated carbon in the titanium dioxide doped carbon-iron composite material, and the perfluorinated organic acid adsorbed onto the material is photo-catalytically degraded under the action of added media such as hydrogen peroxide and iodide ions by using titanium dioxide in the material under the catalytic action of the ultraviolet light. Thus, the titanium dioxide doped carbon-iron composite material is used for adsorbing and photo-catalytically degrading the perfluorinated organic acid and integrates the functions of adsorption and photo-catalytic degradation; the perfluorinated organic acid is efficiently and photo-catalytically degraded by virtue of high-concentration gathering after adsorption under the action of the added media, so that the photo-catalytic degradation efficiency of the perfluorinated organic acid is greatly improved.

The invention relates to an anti-radiation coating composition. The composition comprises the following components: 80-150 parts of flaky graphite powder, 50-80 parts of acetylene carbon powder, 50-100 parts of iron carbonyl powder, 200-300 parts of ground limestone, 200-300 parts of polyvinyl alcohol, 100-150 parts of magnesium oxide, 0.5-0.8 parts of dispersing agent, 20-30 parts of ethylene glycol, 0.5-1.5 parts of sterilizing preservative, and 0.1-0.5 part of borax, wherein borax content is 0.3 part; and magnesium oxide content is 100 parts. The anti-radiation coating composition disclosed by the invention is used for preventing indoor and outdoor electromagnetic radiation pollution; and the composition is coated on an internal wall body, a ceiling and the ground to absorb radiation waves in all directions indoors and outdoors, so that clutter reflection is prevented from affecting human bodies and apparatuses indoors, and the indoor electromagnetic environment is cleaned.

The invention discloses a stable ferrite magnetic core material. The stable ferrite magnetic core material comprises the following raw materials in parts by weight: 60-65 parts of iron carbonyl powder, 10-15 parts of ferric oxide, 25-27 parts of manganese oxide, 21-23 parts of zinc oxide, 4-5 parts of silane coupling agent kh570, 5-7 parts of organic silicon resin, 1-2 parts of polyvinyl alcohol, 7-9 parts of sodium silicate, 0.6-0.7 parts of boron powder, 0.8-0.9 parts of nanometer clay, 0.4-0.5 parts of zinc stearate and a proper amount of water. According to the preparation method for the stable ferrite magnetic core material, the cost is relatively low and the process is simple; and in addition, the prepared ferrite magnetic core material has the wide-temperature range and low-loss characteristics, and is high in quality stability, high in reliability and worthy of popularization.

The invention discloses an aqueous iron carbonyl compound, which has a structural formula shown in the description. According to the invention, the compound has good water solubility and moderate stability, according to the structural formula of the compound, the degradation product of the compound has good biocompatibility and has no harm or less toxicity to organisms, and the timing for releasing carbon monoxide is controllable. Meanwhile, the synthesis method of the compound has universality, and the compound containing glycerol (HS-R) can be reacted with iodo-half-metallocene iron under aalkaline condition to obtain a dicarbonyl half-metallocene iron compound similar to a structure of [CpFe (CO) 2(SR) ] .

Provided are a method for producing a sanshool, which method has a short process and exhibits high stereoselectivity, as well as an iron carbonyl complex compound that is an intermediate useful for the production method.A diene iron complex compound characterized by being represented by the following general formula (I):(in which A represents CO, P(RA)3, CN, NO, SO(RA)3, or N(RA)2; RA represents a straight chain or branched chain alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 12 carbon atoms; and one of R1 and R2 represents a hydrogen atom and the other one thereof represents a structure represented by the following formula (II)):(in which R represents a hydrogen atom, a hydroxyl group, or a methyl group).

The invention provides a method for preparing 3-methyl-2-butenol (prenyl alcohol) through isomerization of 3-methyl-3-butenol. The catalyst reaction system comprises: 1) carbonyl iron compound; 2) organic base; 3) epoxy ligand. Adding a solvent with an ether structure in the isomerization reaction can improve the catalyst activity and product selectivity. In the catalytic process and separation, carbon monoxide (CO) and nitrogen (N 2 ), wherein the volume content of CO is 100ppm‑100000ppm. The catalyst and the raw material 3-methyl-3-butenol are separated from the product isopentenol by rectification without additional separation of the catalyst. The catalyst maintains high activity and long-life operation.

The invention discloses a hydroxyapatite-coating PRB filling material and a preparing method and underground-water uranium removing application method thereof. The hydroxyapatite-coating PRB filling material is characterized in that the hydroxyapatite-coating PRB filling material is prepared with a silicon-containing and / or calcium-containing inert natural material as a body and a H3PO4 solution, a Ca(NO3)2.4H2O solution and a NH3.H2O solution as synthetic materials, wherein the particle size of the silicon-containing and / or calcium-containing inert natural material is larger than 100 mesh, and the mass ratio of hydroxyapatite to an inert material is (0.1-0.5):1. According to the hydroxyapatite-coating PRB filling material and the preparing method and underground-water uranium removing application method thereof, coating is carried out with a local inert material; as adsorption is generated on the surface of the material, the adsorption capacity of an adsorbent cannot be reduced when the surface of the inert material is coated with an active material; a PRB reactive barrier is buried into an underground-water flow channel and used for PRB uranium removing, and uranium pollution abatement in underground water is achieved; blocking of iron carbonyl can be avoided, and the hydroxyapatite-coating PRB filling material can also be recycled.

The invention relates to the field of bioinorganic chemistry and energy environment and particularly relates to an iron carbonyl compound containing a protonic nitrogen-phosphorus monodentate ligand and a preparation method thereof. The tail end of an iron atom of a [2Fe2S] butterfly-shaped skeleton in the compound is coordinated with a monophosphorus ligand containing amino protons. According to the ligand of a novel iron carbonyl compound, amino hydrogen protons can easily achieve hydrogen migration in space and are combined with the iron atoms to form a natural [iron-iron] hydrogenase, wherein the natural [iron-iron] hydrogenase is used for efficiently catalyzing a tail end negative hydrogen structure (tHFe) which is used as an extremely important intermediate in a hydrogen production process; nitrogen atoms in the ligand can rapidly capture and combine extraneous protons; therefore, the ligand has potential excellent capability of catalyzing production of hydrogen.

The invention discloses a heavy metal ion adsorber. A first adsorption layer and a second adsorption layer are successively arranged from outside to inside in the length direction of the adsorber, thefirst adsorption layer is an iron carbonyl-vermiculite composite material, the second adsorption layer is a nano-zinc oxide composite porous resin material, and the distance between the first adsorption layer and the second adsorption layer is 30-50 cm. According to the heavy metal ion adsorber, through selection of the internal structure and an adsorption material of the adsorber, the adsorptionrate of heavy metal ions can be effectively improved, and the effective removal rate of the heavy metal ions is ensured.