CN110860688A - 一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法 - Google Patents
一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法 Download PDFInfo
- Publication number
- CN110860688A CN110860688A CN201911131694.1A CN201911131694A CN110860688A CN 110860688 A CN110860688 A CN 110860688A CN 201911131694 A CN201911131694 A CN 201911131694A CN 110860688 A CN110860688 A CN 110860688A
- Authority
- CN
- China
- Prior art keywords
- core
- dimensional graphene
- shell structure
- macroscopic body
- covalent bonding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 41
- 239000011258 core-shell material Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000001179 sorption measurement Methods 0.000 claims abstract description 21
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 19
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 19
- 239000000661 sodium alginate Substances 0.000 claims abstract description 19
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229940072056 alginate Drugs 0.000 claims abstract description 16
- 235000010443 alginic acid Nutrition 0.000 claims abstract description 16
- 229920000615 alginic acid Polymers 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 239000012298 atmosphere Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000004132 cross linking Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 238000003837 high-temperature calcination Methods 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000003242 anti bacterial agent Substances 0.000 claims description 8
- 230000003115 biocidal effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000006555 catalytic reaction Methods 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012300 argon atmosphere Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910001429 cobalt ion Inorganic materials 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims description 2
- 229910001431 copper ion Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- -1 iron ions Chemical class 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 239000012028 Fenton's reagent Substances 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 8
- 238000006731 degradation reaction Methods 0.000 description 8
- 229940088710 antibiotic agent Drugs 0.000 description 3
- 229910021580 Cobalt(II) chloride Inorganic materials 0.000 description 2
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
Classifications
-
- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
-
- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
- B01J20/3208—Polymeric carriers, supports or substrates
- B01J20/3212—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/75—Cobalt
-
- B01J35/50—
-
- B01J35/51—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/086—Decomposition of an organometallic compound, a metal complex or a metal salt of a carboxylic acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/30—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
本发明公开了一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法。该方法包括:将海藻酸钠水溶液与金属离子水溶液进行交联反应,得到双金属交联的海藻酸盐凝胶后,在保护气氛和金属基底存在的条件下进行高温煅烧而得。本发明以廉价易得的天然大分子海藻酸钠为原料制备出核壳结构双金属共价键合三维石墨烯宏观体,方法简单、成本低廉、绿色环保、形状可控、产量高,具有优异的吸附和催化性能,在环境污染治理领域具有突出的应用潜力。
Description
技术领域
本发明属于材料领域,涉及一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法。
背景技术
近年来,环境污染日益严重,许多持久性有机污染物难以通过传统物理或生物手段得以去除,因此,具有高效降解污染物优势的高级氧化技术受到了广泛关注,其中芬顿催化氧化技术是典型代表。非均相芬顿反应克服了传统均相芬顿反应易产生铁泥等问题,但是还存在电子迁移循环速率低的局限。本发明通过以石墨烯为电子传输体、以双金属共价键合石墨烯,获得核壳结构双金属共价键合三维石墨烯宏观体,利用双金属的相互协同提升对污染物的催化降解性能。制备过程以廉价易得的天然大分子海藻酸钠为原料,方法简单、成本低廉、绿色环保、形状可控、产量高,在环境污染治理领域具有突出的应用潜力。
发明内容
本发明的目的是提供一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法。
本发明提供的制备核壳结构双金属共价键合三维石墨烯宏观体的方法,包括:
将海藻酸钠水溶液与金属离子水溶液进行交联反应,得到双金属交联的海藻酸盐凝胶后,在保护气氛和金属基底存在的条件下进行高温煅烧而得。
上述方法的金属离子水溶液中,所述金属离子选自铁离子、钴离子和铜离子中至少一种;所述金属离子水溶液具体选自FeSO4、Co(NO3)2、FeCl2和CuCl2中至少一种;
所述海藻酸钠水溶液的浓度为5~200mg/mL;具体为20-50mg/L;所述金属离子水溶液的浓度为0.01~200mg/mL;具体为20-50mg/L;
所述海藻酸钠与金属离子的摩尔比为1:1-100;具体为1:2;
两种金属离子的摩尔比具体可为1:1;
所述交联反应步骤中,温度为20~500℃;具体为室温;时间为至少6h;具体为12-48h。
所述保护气氛选自惰性气氛或还原性气氛;所述惰性气氛具体为氮气或氩气气氛;所述还原性气氛具体为氢气;
所述金属基底为过渡金属基底;具体选自铁、钴、铜、银、锰和镍中至少一种。
所述煅烧步骤中,温度为600-1000℃;具体为800-900℃;时间为6-24h。
另外,按照上述方法制得的核壳结构双金属共价键合三维石墨烯宏观体及核壳结构双金属共价键合三维石墨烯宏观体在吸附和/或催化中的应用,也属于本发明的保护范围。
具体的,所述核壳结构双金属共价键合三维石墨烯宏观体由壳和核组成;所述壳为单层片状石墨烯,所述核为双金属;且所述壳与核之间以共价键连接。
所述吸附中,吸附pH值为6;所述核壳结构双金属共价键合三维石墨烯宏观体与待吸附物的用量比为0.5-5g/L;具体为1g/L;吸附温度为常温;具体为25℃;
所述待吸附物为含污染物的水;所述污染物具体为抗生素;
本发明以廉价易得的天然大分子海藻酸钠为原料制备出核壳结构双金属共价键合三维石墨烯宏观体,方法简单、成本低廉、绿色环保、形状可控、产量高,具有优异的吸附和催化性能,在环境污染治理领域具有突出的应用潜力。
附图说明
图1为(a)单金属铁键合三维石墨烯宏观体扫描电镜照片和(b)核壳结构双金属共价键合三维石墨烯宏观体。
图2为(a)海藻酸***胶(b)Fe/Co双金属交联海藻酸盐凝胶(c)核壳结构Fe/Co双金属共价键合三维石墨烯宏观体和(d)单金属铁键合三维石墨烯宏观体透射电镜照片。
图3为(a)海藻酸***胶,(b)Fe/Co双金属交联海藻酸盐凝胶,(c)单金属铁键合三维石墨烯宏观体透射电镜照片和(d)核壳结构Fe/Co双金属共价键合三维石墨烯宏观体。
具体实施方式
下面结合具体实施例对本发明作进一步阐述,但本发明并不限于以下实施例。所述方法如无特别说明均为常规方法。所述原材料如无特别说明均能从公开商业途径获得。
实施例1、
本实施例中双金属共价键合三维石墨烯宏观体采用以下具体步骤制备而成:
配置100mL20mg/L海藻酸钠溶液,配置100mL FeSO4和Co(NO3)2混合溶液,其中Fe2+和Co2+均为20mg/L,为了与单金属进行对比,配置100mL20mg/L的FeSO4溶液。将海藻酸钠溶液逐滴滴入Fe/Co溶液中,室温静置24h,获得双金属交联海藻酸盐胶球,将海藻酸钠溶液逐滴滴入Fe溶液中,室温静置24h,获得海藻酸***胶球。将两种海藻酸盐凝胶球在N2保护、镍基底催化下800℃煅烧6h,获得核壳结构Fe/Co双金属共价键合三维石墨烯宏观体、单金属Fe键合三维石墨烯宏观体。
由图2中两种材料的扫描电镜图可见,双金属键合的石墨烯比单金属具有更丰富的孔隙。
由图3中两种材料煅烧前后的透射电镜图可见,双金属交联的凝胶具有分级有序网络结构,而单金属为无序的结构,煅烧后,双金属键合的石墨烯具有核壳结构,外层壳为单层片状石墨烯,内层双金属为核,而单金属键合的石墨烯为多层厚片结构。
对该材料对水中100mg/L的抗生素进行吸附,吸附pH值为6;所述核壳结构双金属共价键合三维石墨烯宏观体与含抗生素的水的用量比为1g/L;吸附温度为25℃,该材料对水中100mg/L的抗生素吸附去除率为82.42%,芬顿催化降解率为98.86%(过氧化氢的浓度为0.5mmol/L,其余条件与吸附相同)。
实施例2、
配置100mL20mg/L海藻酸钠溶液,配置100mLFeCl2和CuCl2混合溶液,其中Fe2+和Cu2 +均为20mg/L。将海藻酸钠溶液逐滴滴入Fe/Cu溶液中,静置24h,获得双金属交联海藻酸盐胶球。将海藻酸盐凝胶球在N2保护、镍基底催化下800℃煅烧6h,获得双金属共价键合三维石墨烯宏观体。在实施例1相同条件下进行抗生素的吸附去除和芬顿降解试验,可知该材料对水中100mg/L的抗生素吸附去除率为80.32%,芬顿催化降解率为95.13%。
实施例3:
配置100mL20mg/L海藻酸钠溶液,配置100mLFeCl2和CoCl2混合溶液,其中Fe2+和Co2 +均为20mg/L。将海藻酸钠溶液逐滴滴入Fe/Co溶液中,静置24h,获得双金属交联海藻酸盐胶球。将海藻酸盐凝胶球在H2保护、铜基底催化下900℃煅烧6h,获得双金属共价键合三维石墨烯宏观体。在实施例1相同条件下进行抗生素的吸附去除和芬顿降解试验,可知该材料对水中100mg/L的抗生素吸附去除率为86.53%,芬顿催化降解率为99.25%。
实施例4、
配置100mL50mg/L海藻酸钠溶液,配置100mLFeCl2和CoCl2混合溶液,其中Fe2+和Co2 +均为50mg/L。将海藻酸钠溶液逐滴滴入Fe/Co溶液中,静置24h,获得双金属交联海藻酸盐胶球。将海藻酸盐凝胶球在H2保护、铜基底催化下900℃煅烧6h,获得双金属共价键合三维石墨烯宏观体。在实施例1相同条件下进行抗生素的吸附去除和芬顿降解试验,可知该材料对水中100mg/L的抗生素吸附去除率为89.22%,芬顿催化降解率为99.98%。
Claims (9)
1.一种制备核壳结构双金属共价键合三维石墨烯宏观体的方法,包括:
将海藻酸钠水溶液与金属离子水溶液进行交联反应,得到双金属交联的海藻酸盐凝胶后,在保护气氛和金属基底存在的条件下进行高温煅烧而得。
2.根据权利要求1所述的方法,其特征在于:所述金属离子水溶液中,所述金属离子选自铁离子、钴离子和铜离子中至少一种;
所述海藻酸钠水溶液的浓度为5~200mg/mL;所述金属离子水溶液的浓度为0.01~200mg/mL;
所述海藻酸钠与金属离子的摩尔比为1:1-100;具体为1:2。
3.根据权利要求1或2所述的方法,其特征在于:所述交联反应步骤中,温度为20~500℃,时间为至少6h;具体为12-48h。
4.根据权利要求1-3中任一所述的方法,其特征在于:所述保护气氛选自惰性气氛或还原性气氛;所述惰性气氛具体为氮气或氩气气氛;所述还原性气氛具体为氢气;
所述金属基底为过渡金属基底;具体选自铁、钴、铜、银、锰和镍中至少一种。
5.根据权利要求1-4中任一所述的方法,其特征在于:所述煅烧步骤中,温度为600-1000℃;时间为6-24h。
6.权利要求1-5任一所述方法制得的核壳结构双金属共价键合三维石墨烯宏观体。
7.根据权利要求6所述的核壳结构双金属共价键合三维石墨烯宏观体,其特征在于:所述核壳结构双金属共价键合三维石墨烯宏观体由壳和核组成;所述壳为单层片状石墨烯,所述核为双金属;且所述壳与核之间以共价键连接。
8.权利要求6或7所述核壳结构双金属共价键合三维石墨烯宏观体在吸附和/或催化中的应用。
9.根据权利要求8所述的应用,其特征在于:所述吸附中,吸附pH值为6;所述核壳结构双金属共价键合三维石墨烯宏观体与待吸附物的用量比为0.5-5g/L;具体为1g/L;吸附温度为常温;具体为25℃;
所述待吸附物为含污染物的水;所述污染物具体为抗生素;
所述催化为在芬顿试剂存在的条件下进行;所述芬顿试剂中,过氧化氢的浓度为0.5mmol/L;催化的pH值为6;
所述核壳结构双金属共价键合三维石墨烯宏观体与待催化物的用量比为0.5-5g/L;具体为1g/L;吸附温度为常温;具体为25℃。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911131694.1A CN110860688B (zh) | 2019-11-19 | 2019-11-19 | 一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911131694.1A CN110860688B (zh) | 2019-11-19 | 2019-11-19 | 一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110860688A true CN110860688A (zh) | 2020-03-06 |
CN110860688B CN110860688B (zh) | 2021-05-11 |
Family
ID=69655051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911131694.1A Active CN110860688B (zh) | 2019-11-19 | 2019-11-19 | 一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110860688B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114849647A (zh) * | 2022-05-13 | 2022-08-05 | 海南师范大学 | 一种一步法制备球形Cu/Fe生物炭复合材料的方法及应用 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103007963A (zh) * | 2012-12-26 | 2013-04-03 | 合肥工业大学 | 一种以石墨烯为载体的双金属纳米合金复合材料的制备方法 |
CN103301841A (zh) * | 2012-03-15 | 2013-09-18 | 北京化工大学 | 一种石墨烯负载高分散纳米Ni催化剂及其制备方法和应用 |
US20150001156A1 (en) * | 2013-06-26 | 2015-01-01 | Corning Incorporated | Methods and apparatus for treatment of liquids containing contaminants using zero valent nanoparticles |
CN106669677A (zh) * | 2017-01-05 | 2017-05-17 | 中国科学院新疆理化技术研究所 | 以石墨烯为载体的磁性铁基非均相类芬顿催化剂的制备方法及应用 |
CN107107052A (zh) * | 2015-11-11 | 2017-08-29 | 沙特基础工业全球技术公司 | 含有纳米碳和纳米结构或微米结构和经煅烧的水滑石壳的多功能稳定纳米构造体 |
CN107715883A (zh) * | 2017-10-26 | 2018-02-23 | 青岛大学 | 一种Ni3FeN@石墨烯/海藻气凝胶电催化剂的制备方法 |
CN108786812A (zh) * | 2018-06-29 | 2018-11-13 | 山东大学 | 一种兼具吸附和催化作用的多孔碳/纳米双金属氧化物复合光催化材料及其制备方法 |
CN108788134A (zh) * | 2018-06-05 | 2018-11-13 | 上海利物盛企业集团有限公司 | 一种石墨烯-纳米锌铜合金核壳结构导电材料的制备方法 |
CN108906106A (zh) * | 2018-07-04 | 2018-11-30 | 大连理工大学 | 一种FeNi/N-C高分散核壳结构催化剂及其制备方法 |
WO2019030754A1 (en) * | 2017-08-07 | 2019-02-14 | Bar Ilan University | METHOD FOR MANUFACTURING MULTI-METALLIC HYDROGEN OXIDATION ELECTROCATALYST MATERIALS |
CN109529888A (zh) * | 2018-11-26 | 2019-03-29 | 中国科学院生态环境研究中心 | 三维石墨烯基非均相芬顿催化剂、其制备方法及其应用 |
WO2019158569A1 (en) * | 2018-02-13 | 2019-08-22 | Ucl Business Plc | Nanomaterial preparation method |
-
2019
- 2019-11-19 CN CN201911131694.1A patent/CN110860688B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103301841A (zh) * | 2012-03-15 | 2013-09-18 | 北京化工大学 | 一种石墨烯负载高分散纳米Ni催化剂及其制备方法和应用 |
CN103007963A (zh) * | 2012-12-26 | 2013-04-03 | 合肥工业大学 | 一种以石墨烯为载体的双金属纳米合金复合材料的制备方法 |
US20150001156A1 (en) * | 2013-06-26 | 2015-01-01 | Corning Incorporated | Methods and apparatus for treatment of liquids containing contaminants using zero valent nanoparticles |
CN107107052A (zh) * | 2015-11-11 | 2017-08-29 | 沙特基础工业全球技术公司 | 含有纳米碳和纳米结构或微米结构和经煅烧的水滑石壳的多功能稳定纳米构造体 |
CN106669677A (zh) * | 2017-01-05 | 2017-05-17 | 中国科学院新疆理化技术研究所 | 以石墨烯为载体的磁性铁基非均相类芬顿催化剂的制备方法及应用 |
WO2019030754A1 (en) * | 2017-08-07 | 2019-02-14 | Bar Ilan University | METHOD FOR MANUFACTURING MULTI-METALLIC HYDROGEN OXIDATION ELECTROCATALYST MATERIALS |
CN107715883A (zh) * | 2017-10-26 | 2018-02-23 | 青岛大学 | 一种Ni3FeN@石墨烯/海藻气凝胶电催化剂的制备方法 |
WO2019158569A1 (en) * | 2018-02-13 | 2019-08-22 | Ucl Business Plc | Nanomaterial preparation method |
CN108788134A (zh) * | 2018-06-05 | 2018-11-13 | 上海利物盛企业集团有限公司 | 一种石墨烯-纳米锌铜合金核壳结构导电材料的制备方法 |
CN108786812A (zh) * | 2018-06-29 | 2018-11-13 | 山东大学 | 一种兼具吸附和催化作用的多孔碳/纳米双金属氧化物复合光催化材料及其制备方法 |
CN108906106A (zh) * | 2018-07-04 | 2018-11-30 | 大连理工大学 | 一种FeNi/N-C高分散核壳结构催化剂及其制备方法 |
CN109529888A (zh) * | 2018-11-26 | 2019-03-29 | 中国科学院生态环境研究中心 | 三维石墨烯基非均相芬顿催化剂、其制备方法及其应用 |
Non-Patent Citations (2)
Title |
---|
YUAN ZHUANG,FEI YU,HONG CHEN,JIE ZHENG,JIE MA,JUNHONG CHEN: "Alginate/graphene double-network nanocomposite hydrogel beads with low-swelling,enhanced mechanical properties,and enhanced adsorption capacity", 《JOURNAL OF MATERIALS CHEMISTRY A》 * |
刘颖: "非均相催化剂的制备及其用于降解环丙沙星废水的研究", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114849647A (zh) * | 2022-05-13 | 2022-08-05 | 海南师范大学 | 一种一步法制备球形Cu/Fe生物炭复合材料的方法及应用 |
Also Published As
Publication number | Publication date |
---|---|
CN110860688B (zh) | 2021-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Yang et al. | MOF-templated synthesis of CoFe2O4 nanocrystals and its coupling with peroxymonosulfate for degradation of bisphenol A | |
CN109433154B (zh) | 三维网状石墨烯气凝胶、其制备方法及其应用 | |
CN109529888B (zh) | 三维石墨烯基非均相芬顿催化剂、其制备方法及其应用 | |
CN109894115A (zh) | 一种用于类芬顿处理的改性活性炭催化剂的制备方法 | |
CN109731605B (zh) | 一种金属复合原位氮掺杂碳微球催化剂及其应用 | |
CN108530656B (zh) | 一步制备双网络凝胶的方法及双网络凝胶与其应用 | |
CN110743549B (zh) | 一种用于湿式氧化以活性炭球为载体的铜基多相催化剂的制备方法 | |
CN110860688B (zh) | 一种核壳结构双金属共价键合三维石墨烯宏观体及其制备方法 | |
CN115318300A (zh) | 具有催化和特异性磷吸附性能的磁性生物炭的制备方法 | |
CN111036176A (zh) | 磁性氧化石墨烯/海藻酸钠/羧甲基纤维素钠复合材料及其制备方法 | |
CN113000023A (zh) | 氧化石墨烯改良活性炭及其制备方法和水处理方法 | |
CN109908926B (zh) | 一种臭氧催化氧化催化剂的制备方法 | |
CN109304143B (zh) | 负载铁的介孔碳材料的制备方法及其产品和应用 | |
Gao et al. | Graphene-based aerogels in water and air treatment: A review | |
CN114768819A (zh) | 铁酸锰/生物炭复合材料及其制备方法和应用 | |
CN114669299A (zh) | 一种介孔碳负载铜铁双金属催化剂及其制备方法与应用 | |
CN107349908B (zh) | 一种氨基化石墨烯/Fe3O4磁性复合材料及其制备方法与应用 | |
CN114011436A (zh) | 一种三维复合材料催化剂的制备方法及其应用 | |
CN111068641A (zh) | 多相芬顿催化剂及含酚废水的芬顿氧化处理方法 | |
CN112206779B (zh) | MIL-100(Fe/Co)衍生磁性复合材料催化降解水中氯霉素的方法及应用 | |
CN111054305A (zh) | 一种石墨烯金属基气凝胶及其制备方法 | |
CN111072121B (zh) | 一种含有双金属氧化物的苯酚降解剂的制备方法及应用 | |
CN114558579B (zh) | 一种降解水中有机污染物的催化剂及其制备方法和应用 | |
CN112295562A (zh) | 一种烟蒂衍生炭材料的制备方法及应用 | |
CN103272612A (zh) | 一种室温除臭氧催化剂的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |