CN109126687A - 一种蒙脱石基黄曲霉毒素脱毒材料及其制备方法 - Google Patents
一种蒙脱石基黄曲霉毒素脱毒材料及其制备方法 Download PDFInfo
- Publication number
- CN109126687A CN109126687A CN201810962994.3A CN201810962994A CN109126687A CN 109126687 A CN109126687 A CN 109126687A CN 201810962994 A CN201810962994 A CN 201810962994A CN 109126687 A CN109126687 A CN 109126687A
- Authority
- CN
- China
- Prior art keywords
- montmorillonite
- base
- aflatoxin
- titanium tetrachloride
- aflatoxin detoxification
- 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.)
- Pending
Links
- 229930195730 Aflatoxin Natural products 0.000 title claims abstract description 64
- 239000005409 aflatoxin Substances 0.000 title claims abstract description 64
- XWIYFDMXXLINPU-UHFFFAOYSA-N Aflatoxin G Chemical compound O=C1OCCC2=C1C(=O)OC1=C2C(OC)=CC2=C1C1C=COC1O2 XWIYFDMXXLINPU-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000001784 detoxification Methods 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 40
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims abstract description 27
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000012265 solid product Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 15
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000001354 calcination Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000008236 heating water Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000003960 organic solvent Substances 0.000 claims abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000004108 freeze drying Methods 0.000 claims description 8
- 235000019441 ethanol Nutrition 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims 2
- 229910017435 S2 In Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 231100000678 Mycotoxin Toxicity 0.000 description 5
- 238000003795 desorption Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 239000002636 mycotoxin Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000228197 Aspergillus flavus Species 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 3
- OQIQSTLJSLGHID-WNWIJWBNSA-N aflatoxin B1 Chemical compound C=1([C@@H]2C=CO[C@@H]2OC=1C=C(C1=2)OC)C=2OC(=O)C2=C1CCC2=O OQIQSTLJSLGHID-WNWIJWBNSA-N 0.000 description 3
- 229930020125 aflatoxin-B1 Natural products 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 101100449517 Arabidopsis thaliana GRH1 gene Proteins 0.000 description 2
- 101100434479 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) AFB1 gene Proteins 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000002734 clay mineral Substances 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- UMFJAHHVKNCGLG-UHFFFAOYSA-N n-Nitrosodimethylamine Chemical compound CN(C)N=O UMFJAHHVKNCGLG-UHFFFAOYSA-N 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000002516 radical scavenger Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 241000228230 Aspergillus parasiticus Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- PQMOXTJVIYEOQL-UHFFFAOYSA-N Cumarin Natural products CC(C)=CCC1=C(O)C(C(=O)C(C)CC)=C(O)C2=C1OC(=O)C=C2CCC PQMOXTJVIYEOQL-UHFFFAOYSA-N 0.000 description 1
- 238000002965 ELISA Methods 0.000 description 1
- FSOGIJPGPZWNGO-UHFFFAOYSA-N Meomammein Natural products CCC(C)C(=O)C1=C(O)C(CC=C(C)C)=C(O)C2=C1OC(=O)C=C2CCC FSOGIJPGPZWNGO-UHFFFAOYSA-N 0.000 description 1
- 208000005718 Stomach Neoplasms Diseases 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 108700025716 Tumor Suppressor Genes Proteins 0.000 description 1
- 102000044209 Tumor Suppressor Genes Human genes 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002115 aflatoxin B1 Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000035568 catharsis Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 dimethyl azobenzene Chemical compound 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 206010017758 gastric cancer Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 201000007270 liver cancer Diseases 0.000 description 1
- 208000014018 liver neoplasm Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 201000001275 rectum cancer Diseases 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229930000044 secondary metabolite Natural products 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 201000011549 stomach cancer Diseases 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000033 toxigenic Toxicity 0.000 description 1
- 230000001551 toxigenic effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
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
- B01J20/02—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
-
- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0211—Compounds of Ti, Zr, Hf
-
- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0274—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04 characterised by the type of anion
- B01J20/0288—Halides of compounds other than those provided for in B01J20/046
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/16—Clays or other mineral silicates
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
本发明提供一种蒙脱石基黄曲霉毒素脱毒材料,由以下质量百分比的原料制得:蒙脱石0.97%‑3.77%,四氯化钛1.88%‑1.94%,去离子水94.35%‑97.09%。本发明还提供一种蒙脱石基黄曲霉毒素脱毒材料的制备方法,步骤如下:将四氯化钛和去离子水混合,搅拌均匀,得到四氯化钛溶液;向所述四氯化钛溶液中加入蒙脱石,边水浴加热边搅拌,反应完成后,利用有机溶剂离心洗涤,然后冷冻干燥,得到固体产物;灼烧所述固体产物,即得到蒙脱石基黄曲霉毒素脱毒材料。本发明提供的制备方法工艺简单、成本低廉,本发明制得的蒙脱石基黄曲霉毒素脱毒材料具有较高的吸附能力,同时性能稳定。
Description
技术领域
本发明涉及矿物功能材料研究领域,尤其涉及一种蒙脱石基黄曲霉毒素脱毒材料及其制备方法。
背景技术
黄曲霉毒素的基本结构为二呋喃环和香豆素,是由黄曲霉及其寄生曲霉的产毒菌株所产生的次生代谢产物,根据荧光颜色、Rf值、化学结构等,可将黄曲霉毒素分别命名为B1、B2、Gl、G2、M1、M2、Pl等,其中黄曲霉毒素M1、M2分别是黄曲霉毒素B1、B2在哺乳动物体内的代谢产物。根据相关的研究发现,黄曲霉毒素能与动物NDA的碱基结合,会造成动物基因突变,抑制其抑癌基因表达,从而可引起肿瘤发生。黄曲霉毒素中以AFB1致癌作用最强,其致癌强度比致肝癌剂奶油黄(二甲基偶氮苯)大900倍,比二甲基亚硝胺大75倍,其能诱发肝癌、胃癌、肾癌、直肠癌、乳腺癌等等部位的癌症。由于黄曲霉毒素的巨大危害,研究粮食及饲料的脱毒显得尤为重要。
目前生产中实际应用较多的方法为机械脱毒和物理脱毒,机械脱毒为采用机械或人工的方法将异常的物质剔除,这种方法可以在不影响营养物质的情况下,将大部分的有害物去除,但这种方法的效率非常低,不适合大规模的生产加工,而物理脱毒作为另一种较多运用的方法,其可以适应大规模生产的需求,去除毒素的效率高,但同时会造成部分营养物质被损耗,且存在吸附脱除后二次污染的缺点。
关于黄曲霉毒素的主要处理方法可分为:机械脱毒、物理脱毒、化学脱毒及生物脱毒四个方面。其中各种处理方法的优缺点如表1所示:
表1黄曲霉毒素处理方法的优缺点
综上可知,目前对于黄曲霉毒素的去除,存在效率与二次污染并存的局面,即现有的脱毒技术在保留高效脱除的条件下,脱除的黄曲霉毒素仍然存在于脱除剂中未被分解,这使得在某些情况下,黄曲霉毒素可能从脱除剂中脱离而造成二次污染的情况。
发明内容
有鉴于此,本发明提供了一种蒙脱石基黄曲霉毒素脱毒材料,该蒙脱石基黄曲霉毒素脱毒材料具有较高的吸附能力且性能稳定,本发明还提供了一种过程简单的蒙脱石基黄曲霉毒素脱毒材料的制备方法、
本发明提供一种蒙脱石基黄曲霉毒素脱毒材料,由以下质量百分比的原料制得:蒙脱石0.97%-3.77%,四氯化钛1.88%-1.94%,去离子水94.35%-97.09%。
进一步地,由以下质量百分比的原料制得:蒙脱石1.02%,四氯化钛1.91%,去离子水97.07%。
进一步地,由以下质量百分比的原料制得:蒙脱石3.5%,四氯化钛1.9%,去离子水94.6%。
进一步地,所述蒙脱石选用钠基蒙脱石、锂基蒙脱石或钙基蒙脱石的任一种。
本发明还提供一种蒙脱石基黄曲霉毒素脱毒材料的制备方法,包括以下步骤:
S1,将四氯化钛和去离子水混合,搅拌均匀,得到四氯化钛溶液;
S2,向所述四氯化钛溶液中加入蒙脱石,边水浴加热边搅拌,反应完成后,利用有机溶剂离心洗涤,然后冷冻干燥,得到固体产物;
S3,灼烧所述固体产物,即得到蒙脱石基黄曲霉毒素脱毒材料。
进一步地,步骤S2中,水浴加热的温度为40-60℃,搅拌的时间为12h,有机溶剂为50%乙醇,冷冻干燥的时间为6h,冷冻干燥的温度为-5℃。
进一步地,步骤S3中,灼烧的温度为300-500℃,灼烧时间为2h。
本发明提供的技术方案带来的有益效果是:本发明提供的制备方法工艺简单、成本低廉,本发明制得的蒙脱石基黄曲霉毒素脱毒材料具有较高的吸附能力,同时性能稳定;本发明通过添加四氯化钛能够提高蒙脱石基黄曲霉毒素脱毒材料光催化降解的能力,使得黄曲霉毒素在光源存在的条件下能够顺利高效的被分解;本发明通过添加蒙脱石有效提高了吸附性能,经过试验得到,本发明制得的蒙脱石基黄曲霉毒素脱毒材料对黄曲霉毒素的吸收有较好的吸附能力,对霉菌毒素的吸附率达到90%以上,本发明拓展了蒙脱石等矿物材料在脱毒方面的应用范围。
附图说明
图1是本发明一种蒙脱石基黄曲霉毒素脱毒材料的制备方法的流程示意图。
图2是本发明实施例1制得的蒙脱石基黄曲霉毒素脱毒材料在不同放大倍数下的表面SEM形貌图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明实施方式作进一步地描述。
请参考图1,本发明的实施例提供了一种蒙脱石基黄曲霉毒素脱毒材料,由以下质量百分比的原料制得:蒙脱石0.97%-3.77%,四氯化钛1.88%-1.94%,去离子水94.35%-97.09%,蒙脱石可以选用钠基蒙脱石、锂基蒙脱石或钙基蒙脱石的任一种。
蒙脱石是由颗粒极细的含水铝硅酸盐构成的层状矿物,是重要的黏土矿物,一般为块状或土状,分子式为(Na,Ca)0.33(Al,Mg)2[Si4O10](OH)2·nH2O,中间为铝氧八面体,上下为硅氧四面体所组成的三层片状结构的黏土矿物,在晶体构造层间含水及一些交换阳离子,有较高的离子交换容量,具有较高的吸水膨胀能力。蒙脱石晶体属单斜晶系的含水层状结构硅酸盐矿物。蒙脱石颗粒细小,约0.2~1微米,具胶体分散特性,通常都呈块状或土状集合体产出。蒙脱石在电子显微镜下可见到片状的晶体,颜色或白灰,或浅蓝或浅红色。当温度达到100~200℃时,蒙脱石中的水分子会逐渐跑掉。失水后的蒙脱石还可以重新吸收水分子或其他极性分子。当它们吸收水分后还可以膨胀并超过原体积的几倍。蒙脱石的用途多种多样,人们将它的特性运用到化学反应中以产生吸附作用和净化作用。
本发明还提供了上述蒙脱石基黄曲霉毒素脱毒材料的制备方法,包括以下步骤:
步骤S1,按质量百分比计,称取1.88%-1.94%的四氯化钛与94.35%-97.09%的去离子水混合,搅拌均匀,得到四氯化钛溶液;
步骤S2,按质量百分比计,向步骤S1制得的四氯化钛溶液中加入0.97%-3.77%的蒙脱石,边水浴加热边搅拌,水浴加热的温度为40-60℃,反应完成后,利用有机溶剂以3500r/min的转速离心洗涤,然后冷冻干燥,得到固体产物;
步骤S3,在300-500℃的条件下灼烧步骤S2得到的固体产物,即得到蒙脱石基黄曲霉毒素脱毒材料。
下面结合实施例对本发明提供的蒙脱石基黄曲霉毒素脱毒材料及其制备方法进行详细说明。
实施例1:
向三口瓶中加入质量百分比为94.35%的去离子水,然后再加入质量百分比为1.88%的四氯化钛搅拌均匀,随后称取质量百分比为3.77%的钠基蒙脱石倒入三口瓶中,装好冷凝管,将三口瓶置于水浴锅中,调节水浴温度为40℃,在40℃水浴下搅拌12h,反应完成后,用50%乙醇离心洗涤三次,离心洗涤的转速为3500r/min,然后在-5℃冷冻干燥6h,得到固体产物,将干燥完的固体产物在350℃马弗炉中灼烧2h,即得到蒙脱石基黄曲霉毒素脱毒材料。
参考图2,图2a和图2b为实施例1制得的蒙脱石基黄曲霉毒素脱毒材料在不同放大倍数下的表面SEM(scanning electron microscope,扫描电子显微镜)形貌图。图2说明本发明实施例1制备的蒙脱石基黄曲霉毒素脱毒材料在微观形貌上可以明显看出,在蒙脱石片状结构上附着TiO2颗粒。
吸附降解实验:
在10ml离心管中加入一定量的实施例1制得的蒙脱石基黄曲霉毒素脱毒材料,再加入一定量的浓度为100ng/ml的霉菌毒素标准溶液,使离心管中溶液的浓度为2.5-5mg/ml(w/v),然后在pH值为7、温度为37℃的条件下,在恒温水浴振荡器上以120r/min的转速振荡孵育60min,以5000r/min的转速离心10min收集上清液,ELISA法测定上清液中AFB1的含量。同时设置未添加脱毒材料以及只添加脱毒材料的对照组以消除试验过程中霉菌毒素的非特异性吸附,所有样品设2个重复样。
蒙脱石基黄曲霉毒素脱毒材料的吸附量Q(ng/mg)和吸附率Y(%)的计算公式为:
Q=V(C0-C)/m,
Y=100(C0-C)/C0
其中:V为离心管中溶液的体积,ml;m为蒙脱石基黄曲霉毒素脱毒材料的用量,mg;C0、C分别为吸附前后霉菌毒素的浓度(ng/ml)。
实验后经测量、计算得到实施例1制得的蒙脱石基黄曲霉毒素脱毒材料的吸附量Q为64.52ng/mg,吸附率Y为91.81%,解吸率为0.45%。
实施例2:
向三口瓶中加入质量百分比为97.09%的去离子水,然后再加入质量百分比为1.94%的四氯化钛搅拌均匀,随后称取质量百分比为0.97%的钠基蒙脱石倒入三口瓶中,装好冷凝管,将三口瓶置于水浴锅中,调节水浴温度为50℃,在50℃水浴下搅拌12h,反应完成后,用50%乙醇反复离心洗涤三次,离心洗涤的转速为3500r/min,然后在-5℃冷冻干燥6h,得到固体产物,将干燥完的固体产物在300℃马弗炉中灼烧2h,即得到蒙脱石基黄曲霉毒素脱毒材料。
对实施例2制得的蒙脱石基黄曲霉毒素脱毒材料进行的吸附降解实验过程同实施例1,实验后经测量、计算得到实施例2制得的蒙脱石基黄曲霉毒素脱毒材料的吸附量Q为66.27ng/mg,吸附率Y为94.30%,解吸率为0.88%。
实施例3:
向三口瓶中加入质量百分比为97.07%的去离子水,然后再加入质量百分比为1.91%的四氯化钛搅拌均匀,随后称取质量百分比为1.02%的锂基蒙脱石倒入三口瓶中,装好冷凝管,将三口瓶置于水浴锅中,调节水浴温度为55℃,在55℃水浴下搅拌12h,反应完成后,用50%乙醇离心洗涤三次,离心洗涤的转速为3500r/min,然后在-5℃冷冻干燥6h,得到固体产物,将干燥完的固体产物在480℃马弗炉中灼烧2h,即得到蒙脱石基黄曲霉毒素脱毒材料。
对实施例3制得的蒙脱石基黄曲霉毒素脱毒材料进行的吸附降解实验过程同实施例1,实验后经测量、计算得到实施例3制得的蒙脱石基黄曲霉毒素脱毒材料的吸附量Q为65.09ng/mg,吸附率Y为92.62%,解吸率为0.94%。
实施例4:
向三口瓶中加入质量百分比为94.6%的去离子水,然后再加入质量百分比为1.9%的四氯化钛搅拌均匀,随后称取质量百分比为3.5%的钙基蒙脱石倒入三口瓶中,装好冷凝管,将三口瓶置于水浴锅中,调节水浴温度为60℃,在60℃水浴下搅拌12h,反应完成后,用50%乙醇离心洗涤三次,离心洗涤的转速为3500r/min,然后在-5℃冷冻干燥6h,得到固体产物,将干燥完的固体产物在500℃马弗炉中灼烧2h,即得到蒙脱石基黄曲霉毒素脱毒材料。
对实施例4制得的蒙脱石基黄曲霉毒素脱毒材料进行的吸附降解实验过程同实施例1,实验后经测量、计算得到实施例4制得的蒙脱石基黄曲霉毒素脱毒材料的吸附量Q为65.75ng/mg,吸附率Y为93.25%,解吸率为0.76%。
实施例5:
向三口瓶中加入质量百分比为95.2%的去离子水,然后再加入质量百分比为1.93%的四氯化钛搅拌均匀,随后称取质量百分比为2.87%的钙基蒙脱石倒入三口瓶中,装好冷凝管,将三口瓶置于水浴锅中,调节水浴温度为45℃,在45℃水浴下搅拌12h,反应完成后,用50%乙醇离心洗涤三次,离心洗涤的转速为3500转/分钟,然后在-5℃冷冻干燥6h,得到固体产物,将干燥完的固体产物在450℃马弗炉中灼烧2h,即得到蒙脱石基黄曲霉毒素脱毒材料。
对实施例5制得的蒙脱石基黄曲霉毒素脱毒材料进行的吸附降解实验过程同实施例1,实验后经测量、计算得到实施例5制得的蒙脱石基黄曲霉毒素脱毒材料的吸附量Q为66.46ng/mg,吸附率Y为93.85%,解吸率为0.68%。
本发明提供的制备方法工艺简单、成本低廉,本发明制得的蒙脱石基黄曲霉毒素脱毒材料具有较高的吸附能力,同时性能稳定;本发明通过添加四氯化钛能够提高蒙脱石基黄曲霉毒素脱毒材料光催化降解的能力,使得黄曲霉毒素在光源存在的条件下能够顺利高效的被分解;本发明通过添加蒙脱石有效提高了吸附性能,经过试验得到,本发明制得的蒙脱石基黄曲霉毒素脱毒材料对黄曲霉毒素的吸收有较好的吸附能力,对霉菌毒素的吸附率达到90%以上,本发明拓展了蒙脱石等矿物材料在脱毒方面的应用范围。
在不冲突的情况下,本文中上述实施例及实施例中的特征可以相互结合。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种蒙脱石基黄曲霉毒素脱毒材料,其特征在于,由以下质量百分比的原料制得:蒙脱石0.97%-3.77%,四氯化钛1.88%-1.94%,去离子水94.35%-97.09%。
2.如权利要求1所述的蒙脱石基黄曲霉毒素脱毒材料,其特征在于,由以下质量百分比的原料制得:蒙脱石1.02%,四氯化钛1.91%,去离子水97.07%。
3.如权利要求1所述的蒙脱石基黄曲霉毒素脱毒材料,其特征在于,由以下质量百分比的原料制得:蒙脱石3.5%,四氯化钛1.9%,去离子水94.6%。
4.如权利要求1至3任一项所述的蒙脱石基黄曲霉毒素脱毒材料,其特征在于,所述蒙脱石选用钠基蒙脱石、锂基蒙脱石或钙基蒙脱石的任一种。
5.一种权利要求1至3任一项所述的蒙脱石基黄曲霉毒素脱毒材料的制备方法,其特征在于,包括以下步骤:
S1,将四氯化钛和去离子水混合,搅拌均匀,得到四氯化钛溶液;
S2,向所述四氯化钛溶液中加入蒙脱石,边水浴加热边搅拌,反应完成后,利用有机溶剂离心洗涤,然后冷冻干燥,得到固体产物;
S3,灼烧所述固体产物,即得到蒙脱石基黄曲霉毒素脱毒材料。
6.如权利要求5所述的蒙脱石基黄曲霉毒素脱毒材料的制备方法,其特征在于,步骤S2中,水浴加热的温度为40-60℃,搅拌的时间为12h,有机溶剂为50%乙醇,冷冻干燥的时间为6h,冷冻干燥的温度为-5℃。
7.如权利要求5所述的蒙脱石基黄曲霉毒素脱毒材料的制备方法,其特征在于,步骤S3中,灼烧的温度为300-500℃,灼烧时间为2h。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810962994.3A CN109126687A (zh) | 2018-08-22 | 2018-08-22 | 一种蒙脱石基黄曲霉毒素脱毒材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810962994.3A CN109126687A (zh) | 2018-08-22 | 2018-08-22 | 一种蒙脱石基黄曲霉毒素脱毒材料及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109126687A true CN109126687A (zh) | 2019-01-04 |
Family
ID=64791147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810962994.3A Pending CN109126687A (zh) | 2018-08-22 | 2018-08-22 | 一种蒙脱石基黄曲霉毒素脱毒材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109126687A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112875712A (zh) * | 2021-03-18 | 2021-06-01 | 江苏海明斯新材料科技有限公司 | 一种改性硅酸镁锂的制备方法 |
CN113070044A (zh) * | 2021-03-18 | 2021-07-06 | 武汉轻工大学 | 一种黄曲霉毒素脱毒剂及其制备方法和应用 |
CN114870805A (zh) * | 2022-04-01 | 2022-08-09 | 武汉轻工大学 | 一种黄曲霉毒素脱毒剂制备方法和应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1724358A (zh) * | 2004-07-22 | 2006-01-25 | 中国地质大学(北京) | 四氯化钛水解法制备二氧化钛柱撑蒙脱石的一种关键工艺 |
CN101062475A (zh) * | 2006-04-29 | 2007-10-31 | 宝山钢铁股份有限公司 | 硅酸盐质孔材料组装纳米二氧化钛复合材料及其制备方法 |
CN101208148A (zh) * | 2005-05-10 | 2008-06-25 | 苏德-化学股份公司 | 硅镁石用于霉菌毒素吸附的用途 |
CN101607194A (zh) * | 2009-07-22 | 2009-12-23 | 西南科技大学 | 锐钛矿型二氧化钛/蒙脱石纳米复合材料的制备方法 |
-
2018
- 2018-08-22 CN CN201810962994.3A patent/CN109126687A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1724358A (zh) * | 2004-07-22 | 2006-01-25 | 中国地质大学(北京) | 四氯化钛水解法制备二氧化钛柱撑蒙脱石的一种关键工艺 |
CN101208148A (zh) * | 2005-05-10 | 2008-06-25 | 苏德-化学股份公司 | 硅镁石用于霉菌毒素吸附的用途 |
CN101062475A (zh) * | 2006-04-29 | 2007-10-31 | 宝山钢铁股份有限公司 | 硅酸盐质孔材料组装纳米二氧化钛复合材料及其制备方法 |
CN101607194A (zh) * | 2009-07-22 | 2009-12-23 | 西南科技大学 | 锐钛矿型二氧化钛/蒙脱石纳米复合材料的制备方法 |
Non-Patent Citations (1)
Title |
---|
王洪权,等: "TiO2柱撑蒙脱石复合光催化剂吸附催化降解水华蓝藻", 《PROCEEDINGS OF 2011 AASRI CONFERENCE ON INFORMATION TECHNOLOGY AND ECONOMIC DEVELOPMENT》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112875712A (zh) * | 2021-03-18 | 2021-06-01 | 江苏海明斯新材料科技有限公司 | 一种改性硅酸镁锂的制备方法 |
CN113070044A (zh) * | 2021-03-18 | 2021-07-06 | 武汉轻工大学 | 一种黄曲霉毒素脱毒剂及其制备方法和应用 |
CN113070044B (zh) * | 2021-03-18 | 2023-06-02 | 武汉轻工大学 | 一种黄曲霉毒素脱毒剂及其制备方法和应用 |
CN114870805A (zh) * | 2022-04-01 | 2022-08-09 | 武汉轻工大学 | 一种黄曲霉毒素脱毒剂制备方法和应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109126687A (zh) | 一种蒙脱石基黄曲霉毒素脱毒材料及其制备方法 | |
WO2016026464A1 (zh) | 有机/无机杂化Janus颗粒及制备方法和改性方法、以及改性Janus颗粒及其应用 | |
CN104324762B (zh) | 一种三元复合材料制备方法和应用 | |
CN103738969B (zh) | 介孔二氧化硅及其制备方法 | |
CN102063988A (zh) | 一种磁性粘土材料及其制备方法 | |
CN102716723A (zh) | 一种环境友好型淀粉/膨润土复合材料的制备方法 | |
CN105344325B (zh) | 一种处理重金属污染水体的纳米铁/介孔硅复合材料的制备方法 | |
CN107019802A (zh) | 一种柔性中空介孔有机氧化硅纳米囊材料及制备方法 | |
CN106496365B (zh) | 一种稳定的油包水型Pickering乳液及其制备方法 | |
CN107486141A (zh) | 一种高吸附容量的氧化镁化学修饰硅藻土的制备方法 | |
CN107486135A (zh) | 一种膨润土包覆四氧化三铁纳米材料及其制备方法和应用 | |
CN112374547A (zh) | 一种羰基铁粉复合吸波材料及其制备方法 | |
CN109796632A (zh) | 一种核壳结构高白沉淀碳酸钙的制备方法 | |
CN105236417B (zh) | 粒径大小可调控的球形介孔二氧化硅及其制备方法 | |
CN110813261A (zh) | 一种用于废水处理的磁性壳聚糖/蒙脱土/腐殖酸复合微胶囊吸附材料的制备方法 | |
CN106031858A (zh) | 一种蒙脱石吸附剂 | |
El-Soad et al. | Insights into grafting of (3-Mercaptopropyl) trimethoxy silane on halloysite nanotubes surface | |
CN108311118A (zh) | 一种改性合成沸石重金属离子吸附材料的制备方法 | |
CN106582492A (zh) | 一种重金属废水处理用ZrO2及其制备方法和应用 | |
AU2021107526A4 (en) | The preparation method and application of malic acid-chitosan nanoporous hydrogel microspheres | |
CN101890330A (zh) | 一种膨润土表面修饰和插层技术 | |
CN108461247A (zh) | 一种无机绝缘包覆制备金属软磁粉末的方法 | |
CN108940187A (zh) | 用于除磷负载氢氧化镧的磁性介孔纳米球及其制备方法 | |
CN107188186A (zh) | 一种合成高度有序超微孔二氧化硅的方法 | |
CN111659342A (zh) | CA-Al-KABs干凝胶吸附剂的制备方法及其应用于废水处理 |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |
|
RJ01 | Rejection of invention patent application after publication |