CN107199016A - A kind of oil product special efficient Hydrodearsenic Catalyst - Google Patents

A kind of oil product special efficient Hydrodearsenic Catalyst Download PDF

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Publication number
CN107199016A
CN107199016A CN201710563296.1A CN201710563296A CN107199016A CN 107199016 A CN107199016 A CN 107199016A CN 201710563296 A CN201710563296 A CN 201710563296A CN 107199016 A CN107199016 A CN 107199016A
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powder
bead
oil product
rare earth
product special
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CN201710563296.1A
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Inventor
李永忠
刘启良
邱振华
阳晃亮
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Jiangxi Anfa Environmental Protection New Material Co Ltd
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Jiangxi Anfa Environmental Protection New Material Co Ltd
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Priority to CN201710563296.1A priority Critical patent/CN107199016A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G25/00—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
    • C10G25/003—Specific sorbent material, not covered by C10G25/02 or C10G25/03
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/42—Materials comprising a mixture of inorganic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1033—Oil well production fluids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/201—Impurities
    • C10G2300/202—Heteroatoms content, i.e. S, N, O, P

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Catalysts (AREA)

Abstract

The invention discloses a kind of oil product special efficient Hydrodearsenic Catalyst, it by 30 40wt% activated carbon powder, 40 60wt% boehmite, 25 wt% magnesium-rare earth powder, 25 wt% zirconia powder and 3 10wt% kaolin are that raw material constitutes powder, the methylcellulose of powder gross weight 3 7% is added in powder again, 2 5% polyurethane, 1 3% lubricant and appropriate water are through ball milling, ward off grain and bead is made, bead is calcined, nickel oxide powder and brown iron oxide are separately added into liquor potassic permanganate and copper sulphate are molten, lysate is made, bead is immersed in lysate, insulation is fired, obtain oil product special efficient Hydrodearsenic Catalyst.The present invention, by removing arsenic twice, makes arsenic content in crude oil be reduced to 0.1mg/m in crude oil goes arsenic to handle3Hereinafter, so that arsenic content meets the technical requirements of hydrodesulfurization in crude oil, it is ensured that hydrogenation crude desulphurization reaction is normally carried out.

Description

A kind of oil product special efficient Hydrodearsenic Catalyst
Technical field
The present invention relates to the catalyst protective agent that chemical industry is used, more particularly to a kind of Hydrodearsenic Catalyst handled for oil product.
Background technology
It is well known that fixed bed reactors are equipment dresses important in the industries such as oil refining, petrochemical industry, chemical industry, environmental protection and metallurgy Put, it is mainly used in catalytic reaction in tower, the catalytic reforming, hydrocracking in such as refining oil and refined, hydrodesulfurization and chemical industry In ethylene, ethylbenzene dehydrogenation etc..In process, as crude quality declines, arsenic hydride, methyl hydrogen in special crude oil Change arsenic, the increase of the organo-arsenic content of material such as first arsenic, when in crude oil arsenic content in 0.1mg/m3During the above, due to arsenic and VIII element Easily form coordinate bond and make VIII element poisoning and deactivation, and contain VIII element, arsenic and VIII element in crude Treatment catalyst Adhesion is strong, and irreversible decomposition easily occurs for catalyst chance arsenic when hydrodesulfurization is handled, and causes catalyst poisoning to fail, one is to make Hydrodesulfurization effect declines, or even causes hydrodesulfurization not carry out；Two be to cause pressure drop of column quickly to raise, and is caused frequently More catalyst changeout, reduction bed service efficiency and catalyst life are stopped work or needed, economic loss is caused.Therefore, it is being hydrogenated with Before desulphurization reaction, it is necessary to first carry out dearsenification reaction to crude oil, make in crude oil arsenic content in 0.1mg/m3Below, it is ensured that hydrodesulfurization Processing is normally carried out.
It is mostly dearsenification that crude Treatment is used initial stage to the dearsenification inorganic agent that crude oil carries out dearsenification processing to be presently used for Agent, because crude petroleum materials molecular structure is complicated, molecular weight is big, and loop chain is more, belongs to macromolecular organic compound, and existing Hydrodearsenic Catalyst makes Requirement of the hydrodesulfurization processing to crude oil arsenic content can't be fully achieved with effect, so that hydrodesulfurization processing effect can be reduced Really, it can be caused when serious plus desulfurization process can not be carried out.
The content of the invention
For the above-mentioned desulfurization process of hydrogenation crude in the prior art dearsenification effect it is not very good brought the problem of, the present invention is carried Having supplied one kind, not only light specific gravity, porosity are high, intensity is good and its internal and surface has three-dimensional netted intercommunication macroporous structure, tool There is superpower appearance impurity ability, arsenic content after crude oil dearsenification can be made to reach 0.1mg/m3Following efficient Hydrodearsenic Catalyst.
The technical problem to be solved in the present invention is adopted the technical scheme that：The oil product special efficient Hydrodearsenic Catalyst is by 30- 40wt % activated carbon powder, 40-60wt % boehmite, 2-5 wt % magnesium-rare earth powder, 2-5 wt % oxidation Zirconium powder and 3-10wt % kaolin constitute for raw material, and its internal and surface has three-dimensional netted honeycomb hole, and as follows It is prepared from：
A, by weight percentage by activated carbon powder, boehmite, magnesium-rare earth powder, zirconia powder and kaolin starting material through ball Mill mixing is sieved into powder,
B, the methylcellulose for adding powder gross weight 3-7% in powder again, 2-5% polyurethane, 1-3% lubricant and suitable Pug is made through mud refining is old after ball milling mixing in the water of amount,
C, through warding off grain or compression molding bead base substrate is made in pug, after bead body drying is shaped, then inserted in calcining furnace, It is heated to 500-600 DEG C and is incubated 2-4 hours, cooling is come out of the stove,
D, by solution weight ratio be 1~2：The molten mixing of 2~3 liquor potassic permanganate and copper sulphate, then in mixed liquor respectively Mixed liquor weight 3-5% nickel oxide powder and 2-3% brown iron oxide are added, lysate is made, above-mentioned bead is immersed in dissolving In liquid, after bead is dried, then insert in calcining furnace, be heated to 500-600 DEG C of insulation firing, be incubated 1-2 hours, cooling is come out of the stove Obtain oil product special efficient Hydrodearsenic Catalyst.
Organic adhesive of the present invention is methylcellulose, may also be tung oil etc.；The polyurethane is foaming agent；It is described Lubricant is glycerine or talcum powder etc..
The present invention adds a small amount of magnesium-rare earth powder, has low density, specific strength and rigidity using magnesium-rare earth powder High and adsorption capacity and it is active good the characteristics of, carry out crystal grain thinning, strengthen matrix, make it in the intensity and high temperature creep of matrix It is improved, the space-consuming of matrix can be reduced under same intensity, increases space.Transformation efficiency and reaction speed can also be improved Degree.
The present invention can further improve the intensity and temperature tolerance of protective agent matrix, simultaneously by adding zirconia powder material Matrix can be avoided efflorescence and to be collapsed in firing, it is ensured that matrix can holding structure when being used under big porosity and high temperature It is stable and firm, it is hardly damaged and fails.
The present invention is made main siliceous of activated carbon powder, boehmite, magnesium-rare earth powder, zirconia powder and kaolin The bead of aluminium, the bead intensity is good, and specific surface area is big, and porosity is high, and inside is into porous network structure, and excellent adsorption can be first right Arsenic compound is adsorbed and removes part arsenic compound in crude oil；Again by being formed on bead micropore surface by potassium permanganate Solution, copper-bath, nickel oxide powder and the active component film layer of brown iron oxide formation, make arsenic hydride, hydrogenated methyl arsenic, first arsenic V valencys arsenic compound is oxidized to Deng organo-arsenic material and is dissolved, and is separated by filtration V valency arsenic compounds.The present invention is made by removing arsenic twice Arsenic content is reduced to 0.1mg/m in crude oil3Below.So as to make arsenic content in crude oil meet the technology of hydrogenation crude desulfurization process It is required that.
Main physical technical indicator of the present invention is：
Porosity：>=65%, compression strength：Longitudinal direction：>=0.2KN/, bulk density：500-600kg/m3,, specific surface area:≥ 600m2/ g, pore volume ＞ 0.6cm3/g；
The special Hydrodearsenic Catalyst of hydraulic fluid port product of the present invention has advantages below：
1st, close rate is low, and compression strength is good,
2nd, anti-rapid heat cycle temperature is high, and thermal creep is good,
3rd, protective agent surface and inside have three-dimensional netted logical perforate, and eyelet is hardly blocked, the honeycomb hole with extrusion forming Ceramic phase ratio, its porosity can reach more than 85%, compared to improving more than 30%,
4th, arsenic content is in 0.1mg/m after being handled in crude oil through dearsenification3Below.
Embodiment
Embodiment 1, the oil product special efficient Hydrodearsenic Catalyst by 35wt % activated carbon powder, 50wt % boehmite, The kaolin of 3wt % magnesium-rare earth powder, 3wt % zirconia powder and 9wt % is raw material composition, and its internal and surface has Three-dimensional netted honeycomb perforate, and step is prepared from as follows：
A, by weight percentage by activated carbon powder, boehmite, magnesium-rare earth powder, zirconia powder and kaolin starting material through ball Mill mixing is sieved into powder,
B, methylcellulose, 2% polyurethane, 3% lubricant and the appropriate water for adding powder gross weight 4% in powder again After ball milling mixing, pug is made through mud refining is old,
C, through warding off grain or compression molding bead base substrate is made in pug, after bead body drying is shaped, then inserted in calcining furnace, It is heated to 500-600 DEG C and is incubated 2-4 hours, cooling is come out of the stove,
D, by solution weight ratio be 1.5：The molten mixing of 2.5 liquor potassic permanganate and copper sulphate, then in mixed liquor respectively plus Enter the nickel oxide powder of mixed liquor weight 4% and 2% brown iron oxide（Fe2O3）, lysate is made, above-mentioned bead is immersed in dissolving In liquid, after bead is dried, then insert in calcining furnace, be heated to 500-600 DEG C of insulation firing, be incubated 1-2 hours, cooling is come out of the stove Oil product special efficient Hydrodearsenic Catalyst is obtained,
The magnesium-rare earth is mainly rare earth（Re）Content is 3-10%, and other Main Ingredients and Appearances are magnesium and silicon, can select Mg- 9Gd-4Y-0.6Zr or AE41, AE42 etc..The slurry that the appropriate water refers to reaches water during viscosity requirement.
The liquor potassic permanganate weight percent concentration is 3-10%；The copper-bath weight percent concentration is 15-18%。
The performance indications of the present embodiment 1 are as follows after testing：
Porosity：>=65%, compression strength：Longitudinal direction：>=0.2KN/, bulk density：500-600kg/m3,, specific surface area:≥ 600m2/ g, pore volume ＞ 0.6cm3/g；
Arsenic content is in 0.05-0.087mg/m after being handled in crude oil through dearsenification3。
Embodiment 2, the oil product special efficient Hydrodearsenic Catalyst by 30wt % activated carbon powder, 55wt % boehmite, The kaolin of 5wt % magnesium-rare earth powder, 5wt % zirconia powder and 5wt % is raw material composition, and its internal and surface has Three-dimensional netted honeycomb perforate, and step is prepared from as follows：
A, by weight percentage by activated carbon powder, boehmite, magnesium-rare earth powder, zirconia powder and kaolin starting material through ball Mill mixing is sieved into powder,
B, methylcellulose, 3% polyurethane, 2% lubricant and the appropriate water for adding powder gross weight 3% in powder again After ball milling mixing, pug is made through mud refining is old,
C, through warding off grain or compression molding bead base substrate is made in pug, after bead body drying is shaped, then inserted in calcining furnace, It is heated to 500-600 DEG C and is incubated 2-4 hours, cooling is come out of the stove,
D, by solution weight ratio be 2：The molten mixing of 3 liquor potassic permanganate and copper sulphate, then be separately added into mixed liquor mixed The nickel oxide powder and 3% brown iron oxide of liquid weight 3% are closed, lysate is made, above-mentioned bead is immersed in lysate, by bead After drying, then insert in calcining furnace, be heated to 500-600 DEG C of insulation firing, be incubated 1-2 hour, cool down and come out of the stove that to obtain oil product special Efficient Hydrodearsenic Catalyst is used,
The magnesium-rare earth middle rare earth（Re）Content is 3-10%, and other Main Ingredients and Appearances are magnesium and silicon, can select Mg-9Gd-4Y- 0.6Zr or AE41, AE42 etc..The slurry that the appropriate water refers to reaches water during viscosity requirement.
The performance indications of the present embodiment 2 are as follows after testing：
Porosity：>=65%, compression strength：Longitudinal direction：>=0.2KN/, bulk density：500-600kg/m3,, specific surface area:≥ 600m2/ g, pore volume ＞ 0.6cm3/g；
Arsenic content is in 0.06-0.091mg/m after being handled in crude oil through dearsenification3。

Claims (2)

1. a kind of oil product special efficient Hydrodearsenic Catalyst, it is characterised in that：It is by 30-40wt % activated carbon powder, 40-60wt % Boehmite, 2-5 wt % magnesium-rare earth powder, 2-5 wt % zirconia powder and 3-10wt % kaolin are raw material Composition, its internal and surface has three-dimensional netted honeycomb hole, and is prepared from as follows：
A, by weight percentage by activated carbon powder, boehmite, magnesium-rare earth powder, zirconia powder and kaolin starting material through ball Mill mixing is sieved into powder,
B, the methylcellulose for adding powder gross weight 3-7% in powder again, 2-5% polyurethane, 1-3% lubricant and suitable Pug is made through mud refining is old after ball milling mixing in the water of amount,
C, through warding off grain or compression molding bead base substrate is made in pug, after bead body drying is shaped, then inserted in calcining furnace, It is heated to 1100-1280 DEG C and is incubated 2-4 hours, cooling is come out of the stove,
D, by solution weight ratio be 1~2：The molten mixing of 2~3 liquor potassic permanganate and copper sulphate, then in mixed liquor respectively Mixed liquor weight 3-5% nickel oxide powder and 2-3% brown iron oxide are added, lysate is made, above-mentioned bead is immersed in dissolving In liquid, after bead is dried, then insert in calcining furnace, be heated to 500-600 DEG C of insulation firing, be incubated 1-2 hours, cooling is come out of the stove Obtain oil product special efficient Hydrodearsenic Catalyst.
2. oil product special efficient Hydrodearsenic Catalyst according to claim 1, it is characterised in that：The magnesium-rare earth middle rare earth （Re）Content is 3-10%.
CN201710563296.1A 2017-07-12 2017-07-12 A kind of oil product special efficient Hydrodearsenic Catalyst Pending CN107199016A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113231067A (en) * 2021-05-28 2021-08-10 中国海洋石油集团有限公司 Dearsenic agent for hydrogenation of light distillate oil and preparation method and application thereof

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Publication number Priority date Publication date Assignee Title
CN101518743A (en) * 2008-03-27 2009-09-02 萍乡市石化填料有限责任公司 Porous spherical support protective agent
CN102441439A (en) * 2011-12-23 2012-05-09 萍乡市鑫泉工业填料实业有限公司 Effective, environment-friendly and high-strength nest type support protecting agent and preparation method thereof
CN102500423A (en) * 2011-11-09 2012-06-20 萍乡市安发冶化环保填料有限公司 Honeycomb ceramic pulse protective agent
CN103566947A (en) * 2012-08-07 2014-02-12 北京三聚环保新材料股份有限公司 Normal-temperature dearsenic agent as well as preparation method thereof
CN104841491A (en) * 2015-04-27 2015-08-19 萍乡市安发冶化环保填料有限公司 Ceramic silk-screen hydrogenation protective agent
CN105562000A (en) * 2015-12-16 2016-05-11 沈阳三聚凯特催化剂有限公司 Novel normal-temperature arsenic removal agent and preparation method and application thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101518743A (en) * 2008-03-27 2009-09-02 萍乡市石化填料有限责任公司 Porous spherical support protective agent
CN102500423A (en) * 2011-11-09 2012-06-20 萍乡市安发冶化环保填料有限公司 Honeycomb ceramic pulse protective agent
CN102441439A (en) * 2011-12-23 2012-05-09 萍乡市鑫泉工业填料实业有限公司 Effective, environment-friendly and high-strength nest type support protecting agent and preparation method thereof
CN103566947A (en) * 2012-08-07 2014-02-12 北京三聚环保新材料股份有限公司 Normal-temperature dearsenic agent as well as preparation method thereof
CN104841491A (en) * 2015-04-27 2015-08-19 萍乡市安发冶化环保填料有限公司 Ceramic silk-screen hydrogenation protective agent
CN105562000A (en) * 2015-12-16 2016-05-11 沈阳三聚凯特催化剂有限公司 Novel normal-temperature arsenic removal agent and preparation method and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113231067A (en) * 2021-05-28 2021-08-10 中国海洋石油集团有限公司 Dearsenic agent for hydrogenation of light distillate oil and preparation method and application thereof
CN113231067B (en) * 2021-05-28 2023-08-22 中国海洋石油集团有限公司 Dearsenifying agent for light distillate oil hydrogenation and preparation method and application thereof

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Application publication date: 20170926