CN115518624B - 一种含有zif结构的煤炭废弃物吸附凝胶球及其制备方法和应用 - Google Patents
一种含有zif结构的煤炭废弃物吸附凝胶球及其制备方法和应用 Download PDFInfo
- Publication number
- CN115518624B CN115518624B CN202211256973.2A CN202211256973A CN115518624B CN 115518624 B CN115518624 B CN 115518624B CN 202211256973 A CN202211256973 A CN 202211256973A CN 115518624 B CN115518624 B CN 115518624B
- Authority
- CN
- China
- Prior art keywords
- coal waste
- adsorption
- coal
- solution
- zif
- 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.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 82
- 239000002699 waste material Substances 0.000 title claims abstract description 72
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000003756 stirring Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000243 solution Substances 0.000 claims abstract description 35
- 239000011259 mixed solution Substances 0.000 claims abstract description 31
- 238000000967 suction filtration Methods 0.000 claims abstract description 19
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 15
- 239000011591 potassium Substances 0.000 claims abstract description 15
- 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 14
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 14
- 239000000661 sodium alginate Substances 0.000 claims abstract description 14
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 14
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims abstract description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000004132 cross linking Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims description 30
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 18
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 11
- 238000004108 freeze drying Methods 0.000 claims description 11
- 239000004408 titanium dioxide Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- 239000010883 coal ash Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 claims description 5
- 150000007522 mineralic acids Chemical class 0.000 claims description 5
- 238000003900 soil pollution Methods 0.000 claims description 5
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 4
- QGUAJWGNOXCYJF-UHFFFAOYSA-N cobalt dinitrate hexahydrate Chemical compound O.O.O.O.O.O.[Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QGUAJWGNOXCYJF-UHFFFAOYSA-N 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 229940093430 polyethylene glycol 1500 Drugs 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- 238000003911 water pollution Methods 0.000 claims description 4
- 239000004246 zinc acetate Substances 0.000 claims description 4
- 239000002956 ash Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 230000001699 photocatalysis Effects 0.000 abstract description 12
- 239000002689 soil Substances 0.000 abstract description 9
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002351 wastewater Substances 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910001424 calcium ion Inorganic materials 0.000 abstract 1
- 239000000499 gel Substances 0.000 description 55
- 239000013153 zeolitic imidazolate framework Substances 0.000 description 18
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- 239000000463 material Substances 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000002253 acid Substances 0.000 description 6
- 238000007146 photocatalysis Methods 0.000 description 6
- 239000010881 fly ash Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- MFLKDEMTKSVIBK-UHFFFAOYSA-N zinc;2-methylimidazol-3-ide Chemical group [Zn+2].CC1=NC=C[N-]1.CC1=NC=C[N-]1 MFLKDEMTKSVIBK-UHFFFAOYSA-N 0.000 description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 239000000975 dye Substances 0.000 description 3
- 239000000017 hydrogel Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- NYXKVDPOWQTTNC-UHFFFAOYSA-N 2,4-dimethyl-1h-benzimidazole Chemical compound C1=CC=C2NC(C)=NC2=C1C NYXKVDPOWQTTNC-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 2
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 2
- 229940012189 methyl orange Drugs 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000013384 organic framework Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000003802 soil pollutant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- -1 zeolite imidazole ester Chemical class 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28047—Gels
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/1691—Coordination polymers, e.g. metal-organic frameworks [MOF]
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
- B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
- B01J31/1815—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- 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
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- 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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/20—Complexes comprising metals of Group II (IIA or IIB) as the central metal
- B01J2531/26—Zinc
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Dispersion Chemistry (AREA)
- Soil Sciences (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
本发明公开了一种含有ZIF结构的煤炭废弃物吸附凝胶球及其制备方法和应用,制备方法包括:制备改性的煤炭废弃物;将海藻酸钠和腐殖酸钾溶于丙酮溶液中,混合均匀后加入改性的煤炭废弃物,同时加入聚乙二醇,形成混合溶液A,然后用注射器将其滴加在钙离子溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;将2‑甲基咪唑溶于甲醇与水的混合溶液中,搅拌至澄清均匀,然后在搅拌状态下将其倒入金属化物与水的混合溶液中,同时加入第二步制备的凝胶球A,制备得到含有ZIF结构的吸附凝胶球。本发明制备的含有ZIF结构的光催化协同吸附凝胶球可以很好的对废水以及土壤中的污染物进行吸附,适用范围广、处理效果好,实现废弃资源的综合利用。
Description
技术领域
本发明属于功能材料技术领域,涉及吸附材料,具体涉及一种含有ZIF结构的煤炭废弃物吸附凝胶球及其制备方法和应用。
背景技术
水资源是人类生存与社会发展中不可或缺的物质,但随着人类生活不受控制,有机化学品、染料、重金属等未经处理随意排放至水中,造成大面积水污染。水中存在的有害污染物可能通过食物链系统累积,最终对生物体造成负面影响。另外土壤的污染是难以处理的,许多有机物的分解要花费数百年的时间,这个时间跨度远大于污染速度,需要格外重视,而人们对土壤污染的研究深度不足,经常在重度污染后进行处理,这导致污染处理的延迟。根据国内对农药厂、焦化厂和加油站等场地的调查发现,这类场地土壤中苯和甲苯的浓度较高,会对周边环境造成严重的污染。
我国煤炭资源丰富,但在煤炭生产利用过程中,会产生大量的废弃物,如煤炭废弃物、煤矸石、粉煤灰等,而煤炭废弃物本身就含有大量的腐植质,且具有一定的吸附能力,可以将其良好的利用起来,实现废弃资源的综合利用。
目前已有离子交换、分子筛、混凝、沉淀絮凝、反渗透、臭氧氧化、膜过滤、吸附等多种污染处理方法,其中,吸附法因其绿色环保可循环等优点脱颖而出。水凝胶是一类优异的聚合物吸附材料,与传统吸附剂相比,聚合物吸附剂具有价格低廉、合成简单、去除效率高等优点。而ZIF结构是一种沸石咪唑酯骨架结构材料,呈林德A型(LTA)拓扑结构,因具有较大的孔径和比表面积,被认为是一种用于吸附和分离的理想材料。随着对吸附水凝胶材料研究的不断深入,目前吸附水凝胶材料存在吸附时间短、吸附范围小、对于土壤中苯及其同系物处理能力差等问题。本发明通过将ZIF结构与水凝胶结构结合,构成一种新型复合吸附材料,用于处理水污染以及土壤污染的问题。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种含有ZIF结构的煤炭废弃物吸附凝胶球及其制备方法和应用,制备出光催化协同高效吸附的多功能除污凝胶球,制备方法简单,原料天然绿色、污染处理效率高、时效长。
为了实现上述目的,本发明采用以下技术方案予以实现:
一种含有ZIF结构的煤炭废弃物吸附凝胶球的制备方法,包括如下步骤:
步骤一、将煤炭废弃物原料研磨,过筛,然后用过量浓无机酸处理6~10h,过滤、干燥,再将其溶于去离子水中,同时加入占煤炭废弃物质量分数4~8%的二氧化钛,在常温下,搅拌1~2h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
步骤二、将海藻酸钠和腐殖酸钾溶于有机溶剂中,混合均匀后加入改性的煤炭废弃物,同时加入致孔剂,形成混合溶液A,其中,腐殖酸钾、海藻酸钠、改性煤炭废弃物、致孔剂、溶剂添加的质量比依次为(1~4):(1~4):(3~12):(0.2~0.6):(50~80);
然后用注射器将混合溶液A滴加在过量浓度为1~3%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
步骤三、将2-甲基咪唑溶于甲醇与水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入溶解有金属盐的水溶液中,其中2-甲基咪唑、甲醇、水、金属盐和用于溶解金属盐的水的质量比依次为(0.2~0.8):(10~15):(30~40):(1~3):(30~40);同时加入全部第二步制备的凝胶球A,搅拌0.5~1h后,静置10~12h,抽滤后,冷冻干燥,制备得到含有ZIF结构的吸附凝胶球。
本发明还具有以下技术特征:
优选的,步骤一中,所述的煤炭废弃物包括煤泥、煤矸石、粉煤灰的一种或者几种的混合物。
优选的,步骤一中,所述的无机酸为浓硫酸与浓盐酸按照体积比1:3配制而成。
优选的,步骤一中,所述的过筛为过50~100目筛。
优选的,步骤二中,所述的有机溶剂为丙酮、乙醇、甲醇和异丙醇中的任一种。
优选的,步骤二中,所述的致孔剂为聚乙二醇1500、聚乙二醇2000、草木灰、碳酸钾和碳酸钙中的任一种或几种的混合物
优选的,步骤三中,所述的金属盐为六水合硝酸锌、六水硝酸钴和乙酸锌中的任一种。
优选的,步骤三中,所述的冷冻干燥时间为20~24h。
本发明还保护一种如上所述的方法制备的含有ZIF结构的煤炭废弃物吸附凝胶球及其在水污染处理和土壤污染处理领域的应用。
本发明与现有技术相比,具有如下技术效果:
本发明制备的含有ZIF结构的光催化协同吸附凝胶球可以很好的对废水以及土壤中的污染物进行吸附,同时具有一定的光催化性能,不仅解决吸附水凝胶材料存在吸附时间短、吸附范围小、对于土壤中苯及其同系物处理能力差等问题,还可以解决废弃资源煤炭废弃物难处理的问题,实现废弃资源的综合利用,同时本发明提供的制备方法简单,原料天然绿色、污染处理效率高、时效长,不会对环境造成二次污染;
本发明利用无机酸对煤炭废弃物进行处理,得到具有有机骨架的煤炭废弃物,然后通过二氧化钛对其改性得到改性的煤炭废弃物,使得煤炭废弃物不仅可以很好的对废水以及土壤中的污染物进行吸附,同时具有一定的光催化性能;然后将其包覆在由海藻酸钠、腐植酸钾、氯化钙构成的凝胶体系当中,最后通过原位生长技术,将ZIF结构与凝胶体系结合起来,最终制备出一种含有ZIF结构的煤炭废弃物吸附凝胶球;其中,腐植酸钾是一种含有大量错综的官能团有机大分子化合物,具有较强的吸附、交换、络合和螯合能力,可以对重金属离子等产生吸附;同时加入致孔剂,可以增加吸附凝胶球的比表面积、孔密度等,提升吸附效果;海藻酸钠、腐植酸钾结合氯化钙可以构成凝胶体系,其本身也是一种良好的吸附材料,最后利用二甲基苯并咪唑与金属化物反应将ZIF结构与其结合,进一步提升其吸附性能、并提供一定的光催化效果,与改性煤炭废弃物共同作用,赋予其光催化性能。
具体实施方式
以下结合实施例对本发明的具体内容做进一步详细解释说明。
实施例1
第一步,将10kg煤泥原料研磨到50目,然后用过量浓硫酸与浓盐酸按照体积比1:3配制的酸液处理6h,将其过滤,干燥,再将其溶于50kg去离子水中,同时加入0.5kg二氧化钛,在常温下,搅拌1h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
第二步,将1kg海藻酸钠和1kg腐殖酸钾溶于50kg丙酮溶液中,混合均匀后加入3kg改性的煤炭废弃物,同时加入0.2kg聚乙二醇1500,形成混合溶液A,然后用注射器将其滴加在过量浓度为1%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
第三步,将0.2kg 2~甲基咪唑溶于10kg甲醇与30kg水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入1kg六水合硝酸锌与30kg水的溶液中,同时加入第二步制备的凝胶球A,搅拌0.5h后,静置10h,抽滤后,冷冻干燥20h,制备得到含有ZIF~8结构的吸附凝胶球。
实施例2
第一步,将10kg煤矸石原料研磨到50目,然后用过量浓硫酸与浓盐酸按照体积比1:3配制的酸液处理7h,将其过滤,干燥,再将其溶于50kg去离子水中,同时加入0.5kg二氧化钛,在常温下,搅拌2h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
第二步,将2kg海藻酸钠和2kg腐殖酸钾溶于80kg乙醇溶液中,混合均匀后加入6kg改性的煤炭废弃物,同时加入0.4kg聚乙二醇2000,形成混合溶液A,然后用注射器将其滴加在过量浓度为1%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
第三步,将0.5kg 2~甲基咪唑溶于15kg甲醇与30kg水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入2kg六水硝酸钴与30kg水的溶液中,同时加入第二步制备的凝胶球A,搅拌0.6h后,静置11h,抽滤后,冷冻干燥22h,制备得到含有ZIF~67结构的吸附凝胶球。
实施例3
第一步,将10kg粉煤灰原料研磨到50目,然后用过量浓硫酸与浓盐酸按照体积比1:3配制的酸液处理8h,将其过滤,干燥,再将其溶于50kg去离子水中,同时加入0.5kg二氧化钛,在常温下,搅拌1.5h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
第二步,将3kg海藻酸钠和3kg腐殖酸钾溶于70kg甲醇溶液中,混合均匀后加入8kg改性的煤炭废弃物,同时加入0.4kg草木灰,形成混合溶液A,然后用注射器将其滴加在过量浓度为3%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
第三步,将0.6kg 2~甲基咪唑溶于15kg甲醇与35kg水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入3kg乙酸锌与35kg水的溶液中,同时加入第二步制备的凝胶球A,搅拌0.8h后,静置10h,抽滤后,冷冻干燥24h,制备得到含有ZIF~8结构的吸附凝胶球。
实施例4
第一步,将5kg粉煤灰和5kg煤泥原料研磨到50目,然后用过量浓硫酸与浓盐酸按照体积比1:3配制的酸液处理9h,将其过滤,干燥,再将其溶于50kg去离子水中,同时加入0.8kg二氧化钛,在常温下,搅拌2h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
第二步,将2kg海藻酸钠和3kg腐殖酸钾溶于60kg异丙醇溶液中,混合均匀后加入12kg改性的煤炭废弃物,同时加入0.5kg碳酸钙,形成混合溶液A,然后用注射器将其滴加在过量浓度为1.5%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
第三步,将0.3kg 2~甲基咪唑溶于13kg甲醇与40kg水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入2kg六水合硝酸锌与40kg水的溶液中,同时加入第二步制备的凝胶球A,搅拌1h后,静置12h,抽滤后,冷冻干燥24h,制备得到含有ZIF~8结构的吸附凝胶球。
实施例5
第一步,将5kg粉煤灰和5kg煤矸石原料研磨到100目,然后用过量浓硫酸与浓盐酸按照体积比1:3配制的酸液处理10h,将其过滤,干燥,再将其溶于50kg去离子水中,同时加入0.8kg二氧化钛,在常温下,搅拌1.5h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
第二步,将4kg海藻酸钠和4kg腐殖酸钾溶于50kg丙酮溶液中,混合均匀后加入12kg改性的煤炭废弃物,同时加入0.6kg聚乙二醇1500,形成混合溶液A,然后用注射器将其滴加在过量浓度为3%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
第三步,将0.8kg2~甲基咪唑溶于15kg甲醇与35kg水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入3kg六水硝酸钴与35kg水的溶液中,同时加入第二步制备的凝胶球A,搅拌1h后,静置10h,抽滤后,冷冻干燥20h,制备得到含有ZIF~67结构的吸附凝胶球。
实施例6
第一步,将10kg煤泥原料研磨到100目,然后用过量浓硫酸与浓盐酸按照体积比1:3配制的酸液处理6h,将其过滤,干燥,再将其溶于50kg去离子水中,同时加入0.4kg二氧化钛,在常温下,搅拌1h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
第二步,将4kg海藻酸钠和1kg腐殖酸钾溶于50kg乙醇溶液中,混合均匀后加入10kg改性的煤炭废弃物,同时加入0.5kg聚乙二醇2000,形成混合溶液A,然后用注射器将其滴加在过量浓度为2%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
第三步,将0.2kg 2~甲基咪唑溶于12kg甲醇与40kg水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入1kg六水合硝酸锌与40kg水的溶液中,同时加入第二步制备的凝胶球A,搅拌0.8h后,静置10h,抽滤后,冷冻干燥20h,制备得到含有ZIF~8结构的吸附凝胶球。
实施例7
第一步,将10kg粉煤灰原料研磨到70目,然后用过量浓硫酸与浓盐酸按照体积比1:3配制的酸液处理10h,将其过滤,干燥,再将其溶于50kg去离子水中,同时加入0.6kg二氧化钛,在常温下,搅拌2h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
第二步,将2kg海藻酸钠和4kg腐殖酸钾溶于70kg异丙醇溶液中,混合均匀后加入4kg改性的煤炭废弃物,同时加入0.3kg碳酸钾,形成混合溶液A,然后用注射器将其滴加在过量浓度为3%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
第三步,将0.7kg 2~甲基咪唑溶于14kg甲醇与30kg水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入2kg乙酸锌与30kg水的溶液中,同时加入第二步制备的凝胶球A,搅拌1h后,静置12h,抽滤后,冷冻干燥24h,制备得到含有ZIF~8结构的吸附凝胶球。
为了表征一种含有ZIF结构的煤炭废弃物吸附凝胶球的吸附性能以及光催化性能,对实施例中合成的含有ZIF结构的煤炭废弃物吸附凝胶球的吸附效果以及光催化吸附降解进行了测试,所吸附的甲基橙、Cu2+、Cr3+初始浓度为200mg/L的溶液,苯胺、甲苯初始浓度为100mg/L的溶液,置于温度为298K、308K和318K的恒温振荡箱中震荡120~180min,取出离心并静置30min后采用可见分光光度计分别在662nm、540nm处测定上清液的吸光度值,利用公式(1)进行计算吸附后的吸附率。
其中:式(1)中,C0和Ce分别表示初始浓度和平衡浓度,单位为mg/L;R为平衡时的去除率。
计算各物质的吸附率,如表1所示,在(500W)紫外光照射下,计算各物质的光催化吸附去除率,结果如表2所示。
表1含有ZIF结构的煤炭废弃物吸附凝胶球对各种污染物的吸附率
表2含有ZIF结构的煤炭废弃物吸附凝胶球对各种污染物的光催化吸附去除率
通过对上述数据分析得出,说明本发明制备的含有ZIF结构的煤炭废弃物吸附凝胶球对常见的污水污染物甲基橙、Cu2+、Cr3+均有良好的吸附去除率,并且在光催化的条件下,由于本发明中引入的ZIF结构以及二氧化钛的改性,可以提升其吸附能力,尤其是对于土壤污染物甲苯以及苯胺的处理能力有显著的提升,不仅解决了煤炭废弃物资源浪费,而且也解决了水体中染料以及重金属离子的污染问题以及土壤中苯及同系物的污染问题。
以上内容是对本发明所作的进一步详细说明,不能认定本发明的具体实施方式仅限于此,对于本发明所属技术领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干简单的推演或替换,都应当视为属于本发明由所提交的权利要求书确定保护范围。
Claims (7)
1.一种含有ZIF结构的煤炭废弃物吸附凝胶球的制备方法,其特征在于,包括如下步骤:
步骤一、将煤炭废弃物原料研磨,过筛,然后用过量浓无机酸处理6~10h,过滤、干燥,再将其溶于去离子水中,同时加入占煤炭废弃物质量分数4~8%的二氧化钛,在常温下,搅拌1~2h,静置2h,之后再进行抽滤,洗涤,干燥获得改性煤炭废弃物;
步骤二、将海藻酸钠和腐殖酸钾溶于有机溶剂中,混合均匀后加入改性的煤炭废弃物,同时加入致孔剂,形成混合溶液A,其中,腐殖酸钾、海藻酸钠、改性煤炭废弃物、致孔剂、溶剂添加的质量比依次为(1~4):(1~4):(3~12):(0.2~0.6):(50~80);
然后用注射器将混合溶液A滴加在过量浓度为1~3%的氯化钙溶液中,通过交联形成吸附凝胶球,然后抽滤,得到凝胶球A;
步骤三、将2-甲基咪唑溶于甲醇与水的混合溶液中,搅拌至溶液澄清均匀,然后在搅拌状态下将其倒入溶解有金属盐的水溶液中,其中2-甲基咪唑、甲醇、水、金属盐和用于溶解金属盐的水的质量比依次为(0.2~0.8):(10~15):(30~40):(1~3):(30~40);同时加入全部第二步制备的凝胶球A,搅拌0.5~1h后,静置10~12h,抽滤后,冷冻干燥,制备得到含有ZIF结构的吸附凝胶球;
步骤一中所述的煤炭废弃物包括煤泥、煤矸石、粉煤灰的一种或者几种的混合物;
步骤二中所述的致孔剂为聚乙二醇1500、聚乙二醇2000、草木灰、碳酸钾和碳酸钙中的任一种或几种的混合物;
步骤三中所述的金属盐为六水合硝酸锌、六水硝酸钴和乙酸锌中的任一种。
2.根据权利要求1所述的含有ZIF结构的煤炭废弃物吸附凝胶球的制备方法,其特征在于,步骤一中,所述的无机酸为浓硫酸与浓盐酸按照体积比1:3配制而成。
3.根据权利要求1所述的含有ZIF结构的煤炭废弃物吸附凝胶球的制备方法,其特征在于,步骤一中,所述的过筛为过50~100目筛。
4.根据权利要求1所述的含有ZIF结构的煤炭废弃物吸附凝胶球的制备方法,其特征在于,步骤二中,所述的有机溶剂为丙酮、乙醇、甲醇和异丙醇中的任一种。
5.根据权利要求1所述的含有ZIF结构的煤炭废弃物吸附凝胶球的制备方法,其特征在于,步骤三中,所述的冷冻干燥时间为20~24h。
6.一种根据权利要求1至5中任一项所述的方法制备的含有ZIF结构的煤炭废弃物吸附凝胶球。
7.一种根据权利要求6所述的含有ZIF结构的煤炭废弃物吸附凝胶球在水污染处理和土壤污染处理领域的应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211256973.2A CN115518624B (zh) | 2022-10-14 | 2022-10-14 | 一种含有zif结构的煤炭废弃物吸附凝胶球及其制备方法和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211256973.2A CN115518624B (zh) | 2022-10-14 | 2022-10-14 | 一种含有zif结构的煤炭废弃物吸附凝胶球及其制备方法和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115518624A CN115518624A (zh) | 2022-12-27 |
CN115518624B true CN115518624B (zh) | 2023-11-17 |
Family
ID=84701644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211256973.2A Active CN115518624B (zh) | 2022-10-14 | 2022-10-14 | 一种含有zif结构的煤炭废弃物吸附凝胶球及其制备方法和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115518624B (zh) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103170373A (zh) * | 2013-04-01 | 2013-06-26 | 湖南大学 | 一种光催化复合凝胶小球及其制备方法与应用 |
CN109761331A (zh) * | 2019-03-06 | 2019-05-17 | 刘华 | 一种磁性污水处理剂及其制备方法 |
CN111001393A (zh) * | 2019-12-24 | 2020-04-14 | 北方工业大学 | 基于海藻酸钠的负载纳米红钛锰矿/褐煤基活性焦水凝胶及其制备方法 |
CN111849020A (zh) * | 2020-08-07 | 2020-10-30 | 陕西科技大学 | 一种腐植酸型吸附材料及其制备方法和应用 |
CN112619616A (zh) * | 2020-12-31 | 2021-04-09 | 陕西科技大学 | 一种高负载SA/GO/ZIFs复合吸附剂及其制备方法和应用 |
CN112755976A (zh) * | 2021-01-12 | 2021-05-07 | 陕西科技大学 | 一种双交联凝胶球吸附材料的制备方法及应用 |
CN112958054A (zh) * | 2021-02-02 | 2021-06-15 | 天津城建大学 | 一种TiO2@ZIF-67复合纳米材料及其制备方法和应用 |
CN113499754A (zh) * | 2021-06-23 | 2021-10-15 | 国家煤化工产品质量监督检验中心(安徽)(淮南市产品质量监督检验所) | 一种基于煤矸石和粉煤灰的复合吸附材料及其制备工艺 |
CN115106065A (zh) * | 2022-05-16 | 2022-09-27 | 南京工业大学 | 一种凝胶球吸附材料及其制备方法和应用 |
-
2022
- 2022-10-14 CN CN202211256973.2A patent/CN115518624B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103170373A (zh) * | 2013-04-01 | 2013-06-26 | 湖南大学 | 一种光催化复合凝胶小球及其制备方法与应用 |
CN109761331A (zh) * | 2019-03-06 | 2019-05-17 | 刘华 | 一种磁性污水处理剂及其制备方法 |
CN111001393A (zh) * | 2019-12-24 | 2020-04-14 | 北方工业大学 | 基于海藻酸钠的负载纳米红钛锰矿/褐煤基活性焦水凝胶及其制备方法 |
CN111849020A (zh) * | 2020-08-07 | 2020-10-30 | 陕西科技大学 | 一种腐植酸型吸附材料及其制备方法和应用 |
CN112619616A (zh) * | 2020-12-31 | 2021-04-09 | 陕西科技大学 | 一种高负载SA/GO/ZIFs复合吸附剂及其制备方法和应用 |
CN112755976A (zh) * | 2021-01-12 | 2021-05-07 | 陕西科技大学 | 一种双交联凝胶球吸附材料的制备方法及应用 |
CN112958054A (zh) * | 2021-02-02 | 2021-06-15 | 天津城建大学 | 一种TiO2@ZIF-67复合纳米材料及其制备方法和应用 |
CN113499754A (zh) * | 2021-06-23 | 2021-10-15 | 国家煤化工产品质量监督检验中心(安徽)(淮南市产品质量监督检验所) | 一种基于煤矸石和粉煤灰的复合吸附材料及其制备工艺 |
CN115106065A (zh) * | 2022-05-16 | 2022-09-27 | 南京工业大学 | 一种凝胶球吸附材料及其制备方法和应用 |
Non-Patent Citations (1)
Title |
---|
"Synthesis of ZIF-8/Fly ASh Composite for adsorption of Cu2+,Zn2+,and Ni2+ from Aqueous Solutions";Caili Wang;《Materials》;第13卷(第1期);文献号214,第1-14页 * |
Also Published As
Publication number | Publication date |
---|---|
CN115518624A (zh) | 2022-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11642649B2 (en) | Method for preparing biochar from phosphoric acid-modified Enteromorpha prolifera, and use of biochar in removal of cadmium | |
CN109534432B (zh) | 一种去除富营养化水体中磷的生物炭改性材料的制备方法 | |
CN103769058A (zh) | 碳化壳聚糖吸附剂的制备方法、产品及应用方法 | |
CN102491729B (zh) | 用于微污染水预处理的沸石给水污泥陶粒的制备方法 | |
CN112707509B (zh) | 利用海洋微藻去除水体重金属的方法 | |
CN112403465A (zh) | 一种生物炭基催化剂的制备及其在抗生素的修复方法 | |
CN111408351A (zh) | 一种稀土吸附剂的生产方法 | |
CN110882679A (zh) | 一种处理污水的复合材料及制备方法 | |
CN103449623A (zh) | 一种从工业废水中回收制备金属纳米材料的方法 | |
CN107029674A (zh) | 一种稀土改性麦饭石和花生壳复合吸附材料及其制备方法 | |
CN106540491A (zh) | 一种用于吸附易溶于水的气体的污水过滤网 | |
CN108031443B (zh) | 一种含铬废水处理剂的制备及其应用 | |
CN115518624B (zh) | 一种含有zif结构的煤炭废弃物吸附凝胶球及其制备方法和应用 | |
CN107442066B (zh) | 一种微波炭化柿皮生物吸附剂及其制备方法和用途 | |
CN113600133A (zh) | 一种除磷吸附剂及其制备方法和应用 | |
CN110947366A (zh) | 一种水中络合重金属吸附剂制备方法 | |
CN105170107B (zh) | 一种绿色重金属捕集剂的制备方法 | |
CN110064378B (zh) | 一种高吸附性能磁性壳聚糖碳球及其制备方法和应用 | |
CN115845818B (zh) | 一种木质素接枝n-[(二甲氨基)亚甲基]硫脲型重金属吸附剂及其制备方法与应用 | |
CN103599761A (zh) | 一种除汞吸附剂 | |
CN111530436A (zh) | 一种贝壳改性的方法 | |
CN109319777A (zh) | 一种松塔基制备生物活性炭的方法及其应用 | |
CN113351187B (zh) | 一种重金属离子印迹水凝胶球珠及其制备方法和应用 | |
US20240157415A1 (en) | Process for producing heavy-metal-mediated biochar complex cured by using silicate | |
CN113750960A (zh) | 一种废水中重金属离子吸附材料及其制备方法 |
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 |