CN114988393A - 一种硫氮掺杂分级多孔碳吸附材料的制备方法 - Google Patents
一种硫氮掺杂分级多孔碳吸附材料的制备方法 Download PDFInfo
- Publication number
- CN114988393A CN114988393A CN202210646790.5A CN202210646790A CN114988393A CN 114988393 A CN114988393 A CN 114988393A CN 202210646790 A CN202210646790 A CN 202210646790A CN 114988393 A CN114988393 A CN 114988393A
- Authority
- CN
- China
- Prior art keywords
- sulfur
- porous carbon
- nitrogen
- carbon adsorption
- adsorption material
- 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.)
- Withdrawn
Links
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- PFRUBEOIWWEFOL-UHFFFAOYSA-N [N].[S] Chemical compound [N].[S] PFRUBEOIWWEFOL-UHFFFAOYSA-N 0.000 title claims abstract description 17
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 36
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 claims abstract description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims abstract description 24
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 18
- 239000011780 sodium chloride Substances 0.000 claims abstract description 18
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 18
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229960003512 nicotinic acid Drugs 0.000 claims abstract description 17
- 235000001968 nicotinic acid Nutrition 0.000 claims abstract description 17
- 239000011664 nicotinic acid Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 13
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 235000011056 potassium acetate Nutrition 0.000 claims abstract description 12
- 238000010992 reflux Methods 0.000 claims abstract description 11
- ZPHGMBGIFODUMF-UHFFFAOYSA-N thiophen-2-ylmethanol Chemical compound OCC1=CC=CS1 ZPHGMBGIFODUMF-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 239000011593 sulfur Substances 0.000 claims abstract description 7
- 229930192474 thiophene Natural products 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 230000003213 activating effect Effects 0.000 claims abstract description 3
- 239000007787 solid Substances 0.000 claims description 34
- 229920000642 polymer Polymers 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 13
- 238000000227 grinding Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000002135 nanosheet Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 2
- 239000003575 carbonaceous material Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 13
- 239000003463 adsorbent Substances 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon 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
- 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
- B01J20/205—Carbon nanostructures, e.g. nanotubes, nanohorns, nanocones, nanoballs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
- C01B32/348—Metallic compounds
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
本发明涉及一种硫氮掺杂分级多孔碳吸附材料的制备方法,所述制备方法为:以烟酸为碳源,乙二胺为氮源,噻吩为硫源,醋酸钾为活化剂,以氯化钠和硅酸钠为硬模板;取烟酸、乙二胺、质量分数为60‑80%的噻吩甲醇溶液、醋酸钾和氯化钠、硅酸钠放入两口圆底烧瓶中不断搅拌;待均匀混合后冷凝回流制备硫氮掺杂分级多孔碳吸附材料。通过本发明的制备方法可以得到含氮量可控的含硫多孔碳材料,较高的含氮量可有效改善材料的表面结构、导电性、润湿性,提高材料的吸附性能。
Description
技术领域
本发明涉及一种硫氮掺杂分级多孔碳吸附材料的制备方法,属于废水吸附剂制备技术领域。
背景技术
煤化工、电厂、印染、冶金、制药等工业都会产生大量含重金属的工业废水,这些废水会污染水体和土壤,破坏自然环境。工业废水处理方法包括氧化还原法、离子交换法、超滤膜法、生物脱色法、吸附法和絮凝沉淀法等。其中,吸附法被认为是解决水体环境污染的一种高效、简便的方法,应用最为广泛。
在水处理试剂应用时,吸附剂通常需要和吸附塔、流化床等设备配合使用,这就需要吸附剂在容器内部各处都有均一的堆积密度、足够的吸附位点及选择性吸附效果。
发明内容
本发明所解决的技术问题在于针对现有技术中的不足之处,旨在提供一种硫氮掺杂分级多孔碳吸附材料的制备方法,氮掺杂的含硫三维(3D)多孔碳纳米片,形态规整、粒径均一,材料中氮元素可控,能够提供较多的吸附位点,具有较强的吸附性能。
本发明的目的是这样实现的:一种硫氮掺杂分级多孔碳吸附材料的制备方法,其特征在于,所述制备方法为:
步骤(1)、以烟酸为碳源,乙二胺为氮源,噻吩为硫源,醋酸钾为活化剂,以氯化钠和硅酸钠为硬模板;取烟酸、乙二胺、质量分数为60-80%的噻吩甲醇溶液、醋酸钾和氯化钠、硅酸钠放入两口圆底烧瓶中不断搅拌;
步骤(2)、待均匀混合后冷凝回流制备硫氮掺杂分级多孔碳吸附材料。
步骤(1)中,具体为:
取4-7mL烟酸、5-8mL乙二胺、4-7mL质量分数为60-80%的噻吩甲醇溶液、1g醋酸钾和30.00g氯化钠、0.50g硅酸钠放入两口圆底烧瓶中不断搅拌。
步骤(2)中,具体为:
步骤(2-1)、待均匀混合后将两口瓶一端连接冷凝回流装置,放入80-90℃油浴中加热搅拌4-6h,反应完毕后得到棕黑色粘稠状固体聚合物;
步骤(2-2)、将经步骤(2-1)反应完毕后将得到的棕黑色粘稠状固体聚合物取出并置于蒸发皿中,在通风良好的80℃水浴上加热烘干,干燥后得到固体;
步骤(2-3)、干燥后的固体在氮气气氛保护下,600-800℃的管式炉中焙烧3h,得到碳化后的黑色固体;
步骤(2-4)、将黑色固体研细后,用去离子水洗涤并抽滤,在60℃烘箱干燥后研磨得到黑色粉末状样品MCN,即硫氮掺杂分级多孔碳吸附材料。
以氯化钠和硅酸钠为硬模板,氯化钠和硅酸钠是环境友好的水溶性盐;采用双模板法合成的样品形成了互相交联的均匀的三维3D多孔碳纳米片网络结构,碳纳米层厚度小于90nm,均匀的3D多孔碳纳米片网络结构可大大提高材料的比表面积,有利于形成更多的吸附位点,并促进电子和离子的运输。
本发明方法先进科学,通过本发明,提供的一种硫氮掺杂分级多孔碳吸附材料的制备方法,以烟酸为碳源,乙二胺为氮源,噻吩为硫源,醋酸钾为活化剂;以氯化钠和硅酸钠为硬模板;取烟酸、乙二胺、70%的噻吩甲醇溶液、错酸钾;冷凝回流制备硫氮掺杂分级多孔碳吸附材料。
本发明以氯化钠和硅酸钠为硬模板,氯化钠和硅酸钠是环境友好的水溶性盐。采用双模板法合成的样品形成了互相交联的均匀的三维(3D)多孔碳纳米片网络结构,碳纳米层厚度小于90nm,均匀的3D多孔碳纳米片网络结构可大大提高材料的比表面积,有利于形成更多的吸附位点,并促进电子和离子的运输。
准确量取5-8mL乙二胺、4-7mL烟酸、4-7mL质量分数60-80%的噻吩甲醇溶液、1g醋酸钾和30.00g氯化钠、0.50g硅酸钠放入两口圆底烧瓶中不断搅拌,待均匀混合后将两口瓶一端连接冷凝回流装置,放入80-90℃油浴中加热搅拌4-6h。反应完毕后将得到的棕黑色粘稠状固体聚合物取出并置于蒸发皿中,在通风良好的80℃水浴上加热烘干。干燥后的固体在氮气气氛保护下,600-800℃的管式炉中焙烧3h,得到碳化后的黑色固体。将黑色固体研细后,用去离子水洗涤并抽滤,在60℃烘箱干燥后研磨得到黑色粉末状样品MCN。
本发明的有益效果是:通过本发明的制备方法可以得到硫氮掺杂分级多孔碳吸附材料,较高的含氮量可有效改善材料的表面结构、导电性、润湿性,提高材料的吸附性能;本发明制得的均匀的3D多孔碳纳米片网络结构,尺寸均一、结构稳定、再生性能好,用于吸附塔、固定床或流化床等设备时,堆积密度均一,吸附位点多。
综上,通过本发明,包括1)以烟酸为碳源,乙二胺为氮源,噻吩为硫源,醋酸钾为活化剂;2)以氯化钠和硅酸钠为硬模板;3)取适量的烟酸、乙二胺、60-80%的噻吩甲醇溶液、醋酸钾;4)冷凝回流制备硫氮掺杂分级多孔碳吸附材料。通过本发明的制备方法可以得到含氮量可控的含硫多孔碳材料,较高的含氮量可有效改善材料的表面结构、导电性、润湿性,提高材料的吸附性能;本发明制得的高度有序的介孔网格结构、结构稳定、再生性能好,用于吸附塔、固定床或流化床等设备时,堆积密度均一,吸附位点多。所述材料的制备简单、普遍适用性高;且制备的材料在吸附重金属离子中表现出优异的性能,拓宽了金属硫化物材料在废水处理中的应用。
具体实施方式
下面将结合实施例对本发明的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。此外,下面所描述的本发明不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
实施例1
一种硫氮掺杂分级多孔碳吸附材料的制备方法,所述制备方法包括如下步骤:
准确量取5mL乙二胺、7mL烟酸、4mL质量分数60-80%的噻吩甲醇溶液和30.00g氯化钠、0.50g硅酸钠放入两口圆底烧瓶中不断搅拌,待均匀混合后将两口瓶一端连接冷凝回流装置,放入80-90℃油浴中加热搅拌4-6h。反应完毕后将得到的棕黑色粘稠状固体聚合物取出并置于蒸发皿中,在通风良好的80℃水浴上加热烘干。干燥后的固体在氮气气氛保护下,600-800℃的管式炉中焙烧3h,得到碳化后的黑色固体。将黑色固体研细后,用去离子水洗涤并抽滤,在60℃烘箱干燥后研磨得到黑色粉末状样品MCN。
实施例2
一种硫氮掺杂分级多孔碳吸附材料的制备方法,所述制备方法包括如下步骤:
准确量取6mL乙二胺、5mL烟酸、6mL质量分数60-80%的噻吩甲醇溶液和30.00g氯化钠、0.50g硅酸钠放入两口圆底烧瓶中不断搅拌,待均匀混合后将两口瓶一端连接冷凝回流装置,放入80-90℃油浴中加热搅拌4-6h。反应完毕后将得到的棕黑色粘稠状固体聚合物取出并置于蒸发皿中,在通风良好的80℃水浴上加热烘干。干燥后的固体在氮气气氛保护下,600-800℃的管式炉中焙烧3h,得到碳化后的黑色固体。将黑色固体研细后,用去离子水洗涤并抽滤,在60℃烘箱干燥后研磨得到黑色粉末状样品MCN。
实施例3
一种硫氮掺杂分级多孔碳吸附材料的制备方法,所述制备方法包括如下步骤:
准确量取8mL乙二胺、4mL烟酸、7mL质量分数60-80%的噻吩甲醇溶液和30.00g氯化钠、0.50g硅酸钠放入两口圆底烧瓶中不断搅拌,待均匀混合后将两口瓶一端连接冷凝回流装置,放入80-90℃油浴中加热搅拌4-6h。反应完毕后将得到的棕黑色粘稠状固体聚合物取出并置于蒸发皿中,在通风良好的80℃水浴上加热烘干。干燥后的固体在氮气气氛保护下,600-800℃的管式炉中焙烧3h,得到碳化后的黑色固体。将黑色固体研细后,用去离子水洗涤并抽滤,在60℃烘箱干燥后研磨得到黑色粉末状样品MCN。
上述实施例制得聚合物结构的尺寸、比表面积等记录在表1中。
取上述实施例1-3的吸附剂对冶金废水处理,模拟含有Cr3+的印染废水:定量配制出100μg/mL的Cr3+母液,再将母液逐级稀释,得到浓度为1μg/mL、2μg/mL、5μg/mL、10μg/mL和20μg/mL的标准溶液,然后通过原子吸收分光光度计计算标准值。
在50mL初始浓度为100mg/L的Cr3+溶液中投放10mg吸附剂置于30℃恒温摇床中摇晃一定时间,利用原子吸收分光光度计测试吸附后溶液的吸光度。计算出实施例1-3的吸附剂对Cr3+的吸附率,结果记录在表1中。
实施例1 | 实施例2 | 实施例3 | |
孔径nm | 9 | 8 | 10 |
介孔比例% | 89.31 | 93.01 | 82.57 |
比表面积m<sup>2</sup>/g | 24.11 | 58.43 | 17.23 |
氮含量% | 9.12 | 10.96 | 10.31 |
吸附率% | 85.3 | 99.6 | 92.1 |
通过本发明的制备方法可以得到比表面积大、孔径小、含氮量高的多孔碳吸附材料,对冶金废水中的Cr3+吸附率高。其中,当含乙二胺、烟酸和噻吩甲醇溶液的投料比相当时,制得的吸附材料各方面性能最优。
Claims (4)
1.一种硫氮掺杂分级多孔碳吸附材料的制备方法,其特征在于,所述制备方法为:
步骤(1)、以烟酸为碳源,乙二胺为氮源,噻吩为硫源,醋酸钾为活化剂,以氯化钠和硅酸钠为硬模板;取烟酸、乙二胺、质量分数为60-80%的噻吩甲醇溶液、醋酸钾和氯化钠、硅酸钠放入两口圆底烧瓶中不断搅拌;
步骤(2)、待均匀混合后冷凝回流制备硫氮掺杂分级多孔碳吸附材料。
2.根据权利要求1所述的硫氮掺杂分级多孔碳吸附材料的制备方法,其特征在于,步骤(1)中,具体为:
取4-7 mL烟酸、5-8 mL乙二胺、4-7 mL质量分数为60-80%的噻吩甲醇溶液、1g醋酸钾和30.00g氯化钠、0.50g硅酸钠放入两口圆底烧瓶中不断搅拌。
3.根据权利要求1所述的硫氮掺杂分级多孔碳吸附材料的制备方法,其特征在于,步骤(2)中,具体为:
步骤(2-1)、待均匀混合后将两口瓶一端连接冷凝回流装置,放入 80-90 ℃油浴中加热搅拌 4-6 h,反应完毕后得到棕黑色粘稠状固体聚合物;
步骤(2-2)、将经步骤(2-1)反应完毕后将得到的棕黑色粘稠状固体聚合物取出并置于蒸发皿中,在通风良好的 80 ℃ 水浴上加热烘干,干燥后得到固体;
步骤(2-3)、干燥后的固体在氮气气氛保护下,600-800 ℃ 的管式炉中焙烧 3 h,得到碳化后的黑色固体;
步骤(2-4)、将黑色固体研细后,用去离子水洗涤并抽滤,在60℃烘箱干燥后研磨得到黑色粉末状样品MCN,即硫氮掺杂分级多孔碳吸附材料。
4. 根据权利要求1所述的硫氮掺杂分级多孔碳吸附材料的制备方法,其特征在于,以氯化钠和硅酸钠为硬模板,氯化钠和硅酸钠是环境友好的水溶性盐;采用双模板法合成的硫氮掺杂分级多孔碳吸附材料形成了互相交联的均匀的三维3D多孔碳纳米片网络结构,碳纳米层厚度小于90 nm,均匀的3D多孔碳纳米片网络结构可大大提高材料的比表面积,有利于形成更多的吸附位点,并促进电子和离子的运输。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210646790.5A CN114988393A (zh) | 2022-06-08 | 2022-06-08 | 一种硫氮掺杂分级多孔碳吸附材料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210646790.5A CN114988393A (zh) | 2022-06-08 | 2022-06-08 | 一种硫氮掺杂分级多孔碳吸附材料的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114988393A true CN114988393A (zh) | 2022-09-02 |
Family
ID=83033682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210646790.5A Withdrawn CN114988393A (zh) | 2022-06-08 | 2022-06-08 | 一种硫氮掺杂分级多孔碳吸附材料的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114988393A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115521644A (zh) * | 2022-10-14 | 2022-12-27 | 潮州市索力德机电设备有限公司 | 一种可降解氮氧化合物涂层及其制备方法和应用 |
CN116282039A (zh) * | 2022-12-19 | 2023-06-23 | 石河子大学 | 一种三氯氢硅中硼杂质的清除方法 |
CN117482932A (zh) * | 2023-09-26 | 2024-02-02 | 湖南中寅环保设备制造有限公司 | 一种废润滑油精制吸附剂的再生方法 |
-
2022
- 2022-06-08 CN CN202210646790.5A patent/CN114988393A/zh not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115521644A (zh) * | 2022-10-14 | 2022-12-27 | 潮州市索力德机电设备有限公司 | 一种可降解氮氧化合物涂层及其制备方法和应用 |
CN116282039A (zh) * | 2022-12-19 | 2023-06-23 | 石河子大学 | 一种三氯氢硅中硼杂质的清除方法 |
CN117482932A (zh) * | 2023-09-26 | 2024-02-02 | 湖南中寅环保设备制造有限公司 | 一种废润滑油精制吸附剂的再生方法 |
CN117482932B (zh) * | 2023-09-26 | 2024-04-16 | 湖南中寅环保设备制造有限公司 | 一种废润滑油精制吸附剂的再生方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN114988393A (zh) | 一种硫氮掺杂分级多孔碳吸附材料的制备方法 | |
Tang et al. | Influence of pyrolysis temperature on production of digested sludge biochar and its application for ammonium removal from municipal wastewater | |
Zhao et al. | Mechanisms of Pb and/or Zn adsorption by different biochars: Biochar characteristics, stability, and binding energies | |
Chen et al. | Enhanced Cr (VI) removal by polyethylenimine-and phosphorus-codoped hierarchical porous carbons | |
Qu et al. | Multi-component adsorption of Pb (II), Cd (II) and Ni (II) onto microwave-functionalized cellulose: Kinetics, isotherms, thermodynamics, mechanisms and application for electroplating wastewater purification | |
Feng et al. | Simultaneous reclaiming phosphate and ammonium from aqueous solutions by calcium alginate-biochar composite: Sorption performance and governing mechanisms | |
Yin et al. | Sulfur-functional group tunning on biochar through sodium thiosulfate modified molten salt process for efficient heavy metal adsorption | |
Ma et al. | Adsorption removal of ammonium and phosphate from water by fertilizer controlled release agent prepared from wheat straw | |
Yakkala et al. | Buffalo weed (Ambrosia trifida L. var. trifida) biochar for cadmium (II) and lead (II) adsorption in single and mixed system | |
CN100469692C (zh) | 含氮有序介孔碳及其合成方法 | |
Sathvika et al. | Microwave assisted immobilization of yeast in cellulose biopolymer as a green adsorbent for the sequestration of chromium | |
CN108671890A (zh) | 一种环糊精金属有机框架碳材料的制备及其在水处理中的应用 | |
CN103071449B (zh) | 氨基功能化介孔氧化铝基双功能吸附剂的制备方法和应用 | |
CN103769058A (zh) | 碳化壳聚糖吸附剂的制备方法、产品及应用方法 | |
CN112619609B (zh) | 一种协同脱除硫和汞的吸附剂及其制备方法和应用 | |
CN110745825A (zh) | 一种高性能生物质基柚子皮导向活性炭VOCs吸附剂的制备方法 | |
CN104785210A (zh) | 一种能够高效净化水中微量磷、砷的多胺修饰UiO-66复合吸附剂及其制备方法 | |
CN114100590A (zh) | 一种用于深度净化含铅废水的二硫化钼活性炭纤维复合吸附剂及其制备方法 | |
Chen et al. | Gaseous hydrogen sulfide removal using macroalgae biochars modified synergistically by H2SO4/H2O2 | |
CN114762816A (zh) | 一种多孔掺杂生物炭基重金属/抗生素吸附剂及制备方法 | |
Tang et al. | Cu (II) and Cd (II) capture using novel thermosensitive hydrogel microspheres: Adsorption behavior study and mechanism investigation | |
CN109012626B (zh) | 一种提高铀酰离子选择性吸附效率的方法 | |
Li et al. | Performance and mechanism of starch-based porous carbon capture of Cr (VI) from water | |
Alvares et al. | Preparation of MIL100/MIL101-alginate composite beads for selective phosphate removal from aqueous solution | |
CN110404504B (zh) | 用于处理印染污水的Cu掺杂核桃壳活性炭及其制法和应用 |
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 | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220902 |
|
WW01 | Invention patent application withdrawn after publication |