CN108499527A - 一种石墨烯/二氧化钛复合材料的制备方法 - Google Patents

一种石墨烯/二氧化钛复合材料的制备方法 Download PDF

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CN108499527A
CN108499527A CN201810221664.9A CN201810221664A CN108499527A CN 108499527 A CN108499527 A CN 108499527A CN 201810221664 A CN201810221664 A CN 201810221664A CN 108499527 A CN108499527 A CN 108499527A
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    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06Solid 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20Solid 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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    • B01J2220/42Materials comprising a mixture of inorganic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract

本发明公开了一种石墨烯/二氧化钛复合材料的制备方法,步骤如下:将NaOH加入去离子水中,加入TiO2粉末,搅拌均匀,120‑130℃水热反应釜中反应3.5‑4.5d,冷却,用去离子水和HNO3将沉淀物质洗至中性,烘干,冷却,煅烧3‑4h,得二氧化钛纳米管;向去离子水中加入GO,超声,加入二氧化钛纳米管粉末,搅匀,110‑120℃水热反应釜中反应4‑5h,冷却,洗涤,干燥,冷却即得。该方法简便、快捷、易操作,制备的复合材料对亚甲基蓝具有良好的吸附能力,可大规模制备。

Description

一种石墨烯/二氧化钛复合材料的制备方法
技术领域
本发明涉及一种石墨烯/二氧化钛复合材料的制备方法。
背景技术
随着染料不断被应用于皮革、印刷、塑料、纺织和橡胶等工业之中,其用量不断扩大,工业染料废水处理成为一大难题。由于工业染料废水具有化学成分性质稳定、难降解和排放量大等特点,使染料废水治理面临极大的挑战。染料废水不仅能够着色河水,降低河水透明度,而且能够危害水中的动植物与微生物,破坏自然生态链,所以开发有效的染料废水处理工艺显得十分重要。在染料废水处理方面,吸附法因其独有的优势而备受人们的青睐,常用的吸附剂主要是活性炭,能够很好的吸附废水中的污染物,但是由于活性炭再生吸附效果下降与再生难度大等不足,限制了它的应用。石墨烯具有独特的空间结构,具备一些优良的化学性质,比如强度高、导热性好、导电性能优异和比表面积巨大等,是一种优良的吸附剂。
发明内容
本发明的目的在于提供一种石墨烯/二氧化钛复合材料的制备方法。
本发明通过下面技术方案实现:
一种石墨烯/二氧化钛复合材料的制备方法,包括如下步骤:将35-45份NaOH加入85-95份去离子水中,加入10-20份TiO2粉末,搅拌均匀,120-130℃水热反应釜中反应3.5-4.5d,冷却,用去离子水和浓度为0.1mol/L的HNO3将沉淀物质洗至中性,105-115℃烘干,冷却,置于马弗炉中410-430℃煅烧3-4h,得二氧化钛纳米管;向65-75份去离子水中加入5-15份GO,超声处理30-40min,加入二氧化钛纳米管粉末,搅拌均匀,110-120℃水热反应釜中反应4-5h,冷却,固体沉淀使用去离子水洗4-6次,烘箱50-55℃干燥,冷却即得;各原料均为重量份。
优选地,所述的制备方法中,125℃水热反应釜中反应4d。
优选地,所述的制备方法中,110℃烘干。
优选地,所述的制备方法中,置于马弗炉中420℃煅烧3.5h。
优选地,所述的制备方法中,超声处理35min。
优选地,所述的制备方法中,115℃水热反应釜中反应4.5h。
优选地,所述的制备方法中,烘箱52℃干燥。
本发明技术效果:
该方法简便、快捷、易操作,制备的复合材料对亚甲基蓝具有良好的吸附能力,可大规模制备。
具体实施方式
下面结合实施例具体介绍本发明的实质性内容。
实施例1
一种石墨烯/二氧化钛复合材料的制备方法,包括如下步骤:将40份NaOH加入90份去离子水中,加入15份TiO2粉末,搅拌均匀,125℃水热反应釜中反应4d,冷却,用去离子水和浓度为0.1mol/L的HNO3将沉淀物质洗至中性,110℃烘干,冷却,置于马弗炉中420℃煅烧3.5h,得二氧化钛纳米管;向70份去离子水中加入10份GO,超声处理35min,加入二氧化钛纳米管粉末,搅拌均匀,115℃水热反应釜中反应4.5h,冷却,固体沉淀使用去离子水洗5次,烘箱52℃干燥,冷却即得;各原料均为重量份。
实施例2
一种石墨烯/二氧化钛复合材料的制备方法,包括如下步骤:将35份NaOH加入85份去离子水中,加入10份TiO2粉末,搅拌均匀,120℃水热反应釜中反应3.5d,冷却,用去离子水和浓度为0.1mol/L的HNO3将沉淀物质洗至中性,105℃烘干,冷却,置于马弗炉中410℃煅烧3h,得二氧化钛纳米管;向65份去离子水中加入5份GO,超声处理30min,加入二氧化钛纳米管粉末,搅拌均匀,110℃水热反应釜中反应4h,冷却,固体沉淀使用去离子水洗4次,烘箱50℃干燥,冷却即得;各原料均为重量份。
实施例3
一种石墨烯/二氧化钛复合材料的制备方法,包括如下步骤:将45份NaOH加入95份去离子水中,加入20份TiO2粉末,搅拌均匀,130℃水热反应釜中反应4.5d,冷却,用去离子水和浓度为0.1mol/L的HNO3将沉淀物质洗至中性,115℃烘干,冷却,置于马弗炉中430℃煅烧4h,得二氧化钛纳米管;向75份去离子水中加入15份GO,超声处理40min,加入二氧化钛纳米管粉末,搅拌均匀,120℃水热反应釜中反应5h,冷却,固体沉淀使用去离子水洗6次,烘箱55℃干燥,冷却即得;各原料均为重量份。
该方法简便、快捷、易操作,制备的复合材料对亚甲基蓝具有良好的吸附能力,可大规模制备。

Claims (7)

1.一种石墨烯/二氧化钛复合材料的制备方法,其特征在于包括如下步骤:将35-45份NaOH加入85-95份去离子水中,加入10-20份TiO2粉末,搅拌均匀,120-130℃水热反应釜中反应3.5-4.5d,冷却,用去离子水和浓度为0.1mol/L的HNO3将沉淀物质洗至中性,105-115℃烘干,冷却,置于马弗炉中410-430℃煅烧3-4h,得二氧化钛纳米管;向65-75份去离子水中加入5-15份GO,超声处理30-40min,加入二氧化钛纳米管粉末,搅拌均匀,110-120℃水热反应釜中反应4-5h,冷却,固体沉淀使用去离子水洗4-6次,烘箱50-55℃干燥,冷却即得;各原料均为重量份。
2.根据权利要求1所述的制备方法,其特征在于:125℃水热反应釜中反应4d。
3.根据权利要求1所述的制备方法,其特征在于:110℃烘干。
4.根据权利要求1所述的制备方法,其特征在于:置于马弗炉中420℃煅烧3.5h。
5.根据权利要求1所述的制备方法,其特征在于:超声处理35min。
6.根据权利要求1所述的制备方法,其特征在于:115℃水热反应釜中反应4.5h。
7.根据权利要求1所述的制备方法,其特征在于:烘箱52℃干燥。
CN201810221664.9A 2018-03-17 2018-03-17 一种石墨烯/二氧化钛复合材料的制备方法 Withdrawn CN108499527A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109243710A (zh) * 2018-09-18 2019-01-18 渤海大学 Ca2+掺杂纳米阵列针状二氧化钛/石墨烯纳米复合导电材料的制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109243710A (zh) * 2018-09-18 2019-01-18 渤海大学 Ca2+掺杂纳米阵列针状二氧化钛/石墨烯纳米复合导电材料的制备方法
CN109243710B (zh) * 2018-09-18 2020-05-12 渤海大学 Ca2+掺杂纳米阵列针状二氧化钛/石墨烯纳米复合导电材料的制备方法

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