CN108585101A - A kind of recovery method of the multiporous biological matter microballoon of heavy metal-polluted water process inorganic material hydridization - Google Patents
A kind of recovery method of the multiporous biological matter microballoon of heavy metal-polluted water process inorganic material hydridization Download PDFInfo
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- CN108585101A CN108585101A CN201810376372.2A CN201810376372A CN108585101A CN 108585101 A CN108585101 A CN 108585101A CN 201810376372 A CN201810376372 A CN 201810376372A CN 108585101 A CN108585101 A CN 108585101A
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- Prior art keywords
- inorganic material
- hectorite
- biological matter
- multiporous biological
- microballoon
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- 229910010272 inorganic material Inorganic materials 0.000 title claims abstract description 43
- 239000011147 inorganic material Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000011084 recovery Methods 0.000 title claims description 7
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical class [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 claims abstract description 42
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 33
- 239000002028 Biomass Substances 0.000 claims abstract description 30
- 240000006394 Sorghum bicolor Species 0.000 claims abstract description 30
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 21
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 11
- 150000002500 ions Chemical class 0.000 claims abstract description 8
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 45
- 229910000271 hectorite Inorganic materials 0.000 claims description 35
- 239000007864 aqueous solution Substances 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 24
- 235000011054 acetic acid Nutrition 0.000 claims description 19
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- 239000000706 filtrate Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 230000003647 oxidation Effects 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 14
- 239000003463 adsorbent Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000001179 sorption measurement Methods 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 11
- 238000003795 desorption Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 11
- 239000012286 potassium permanganate Substances 0.000 claims description 10
- 238000005956 quaternization reaction Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 8
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 8
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 230000000536 complexating effect Effects 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 5
- 235000013339 cereals Nutrition 0.000 claims description 5
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- 150000002171 ethylene diamines Chemical class 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 5
- 241000370738 Chlorion Species 0.000 claims description 4
- 150000001243 acetic acids Chemical class 0.000 claims description 4
- 238000010306 acid treatment Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 235000019580 granularity Nutrition 0.000 claims description 4
- -1 octadecyl dimethyl benzyl Chemical group 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 125000004744 butyloxycarbonyl group Chemical group 0.000 claims description 3
- 238000005660 chlorination reaction Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- CBSOFSBFHDQRLV-UHFFFAOYSA-N N-methylbenzylamine hydrochloride Chemical compound [Cl-].C[NH2+]CC1=CC=CC=C1 CBSOFSBFHDQRLV-UHFFFAOYSA-N 0.000 claims 2
- 229910052611 pyroxene Inorganic materials 0.000 claims 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 abstract description 20
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 7
- 239000002689 soil Substances 0.000 description 9
- 239000010949 copper Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229920002488 Hemicellulose Polymers 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 238000009418 renovation Methods 0.000 description 3
- SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 244000136475 Aleurites moluccana Species 0.000 description 1
- 235000006667 Aleurites moluccana Nutrition 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000018244 Castanea mollissima Nutrition 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910021554 Chromium(II) chloride Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 240000001398 Typha domingensis Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- B01J20/22—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
- B01J20/28—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
- B01J20/28016—Particle form
- B01J20/28021—Hollow particles, e.g. hollow spheres, microspheres or cenospheres
-
- 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
- B01J20/34—Regenerating or reactivating
- B01J20/3441—Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves
-
- 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
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3475—Regenerating or reactivating using a particular desorbing compound or mixture in the liquid phase
-
- 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
-
- 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
- B01J2220/46—Materials comprising a mixture of inorganic and organic 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
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
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- 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
-
- 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
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2101/30—Organic compounds
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- 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
- C02F2101/345—Phenols
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- 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
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention belongs to biomass technical fields, and in particular to a kind of multiporous biological matter microballoon and preparation method thereof of heavy metal-polluted water process inorganic material hydridization.The present invention is combined using to be modified sorghum stalk and modified hectorite as raw material the multiporous biological matter microballoon of inorganic material hydridization；The adsorbable heavy metal ions in wastewater of composite material and aniline prepared, phenol organic pollution, Pyrogentisinic Acid's eliminating rate of absorption are up to 99%.
Description
Original bill application number 2017110184467, title a kind of heavy metal-polluted water process multiporous biological matter microballoon and its system
Preparation Method, applying date 2017.10.27.
Technical field
The invention belongs to biomass technical fields, and in particular to a kind of heavy metal-polluted water process inorganic material hydridization it is more
The recovery method of hole biomass microballoon.
Background technology
With the continuous development of industrial development process, China's soil makes by serious pollution, wherein heavy metal pollution
The main Types of soil pollution, major pollutants type are chromium（Cd）, nickel（Ni）, copper（Cu）, mercury（Hg）, lead（Pb）Deng.At present
China's arable soil heavy metals exceeding standard point is mainly based on middle low heavy metal pollution, therefore, to realize that agricultural is normal raw
The double goal of production and heavy metal-polluted soil reparation, we usually add modifying agent in the soil（It is commonly called as passivator）By heavy metal to
Low dissolving, fixed, less toxic Forms Transformation reduce enrichment of the heavy metal in plant body, reach and ensure the same of agricultural production
When, reduce the purpose of polluted heavy metals environmental risk.
Currently, widely used soil passivation renovation agent includes mainly inorganic passivant and organic passivation agent two major classes；Its
Middle phosphate compound such as hydroxyapatite（Hydroxyapatite, abbreviation HAP）It is the relatively broad passivation of current application
Renovation agent.Hu Tiantian（Repairing research [D] Anhui agriculture of the Hu Tiantian nanometer hydroxyapatites to heavy metal copper and lead-contaminated soil
Sparetime university is learned, and 2012）Exchangeable species and carbonate knot in soil can effectively be reduced by verifying micron order HAP by cell field trial
The content for closing state Cu reduces the Ecological Environment Risk of Cu.
Agricultural University Of South China discloses a kind of biomass carbon heavy metal-polluted soil renovation agent（CN 105622290 A）, with chicken manure
Or oil tea shell is preferable to the Cu adsorptivities in soil by biomass carbon obtained by 450-550 DEG C of high-temperature calcination, but adsorb heavy metal
Element is more single；The method that a kind of composite biomass absorption heavy metal is reported in 102583619 A of CN, with Chinese chestnut pericarp,
Rice aerial part biomass, cattail aerial part biomass are that raw material forms composite biomass, can be water-soluble by Adsorption
Various heavy in liquid.Dalian University of Technology Ma Wei et al.（CN 103316640 B）Have developed a kind of magnetic green substance suction
Attached dose is removed removing heavy metals, and mixing is crushed as raw material using wood powder, shell, corn stalk biomass, then uses the chitosan of acetic acid
Solution mixes, and magnetisable material is added, and by lye cure obtaining the magnetic biomass adsorbent of tool, but also only has studied pair
As（V）Adsorption capacity, so adsorptivity is single.
Invention content
The object of the present invention is to provide a kind of biological material of novel inorganic hydridization, the present invention is to be modified sorghum stalk and change
Property hectorite be that raw material is combined the multiporous biological matter microballoon of inorganic material hydridization；The adsorbable waste water of composite material prepared
Middle heavy metal ion and aniline, phenol organic pollution, Pyrogentisinic Acid's eliminating rate of absorption are up to 99%.
According to an aspect of the present invention, the present invention provides a kind of multiporous biological matter microballoon of inorganic material hydridization, institutes
Multiporous biological matter microballoon is stated to be formed with hectorite hydridization by sorghum stalk；
The preparation method of the multiporous biological matter microballoon of inorganic material hydridization of the present invention is as follows：
1）The modification of sorghum stalk：
A) pulverizing process：It is that 200 mesh or less obtain sorghum stalk biological particles that grain size is crushed to after sorghum stalk is dried；
B) soda acid treatment process：100g sorghums stalk biological particles are placed in stirring dipping 30min in 3wt% phosphate aqueous solutions, so
It is placed in the potassium hydroxide aqueous solution of 5wt% and impregnates 10min at 50 DEG C, filtering, originally water washing to filtrate are at sourly neutral
The biological particles of alkali modification；Phosphate aqueous solution and potassium hydroxide aqueous solution dosage are can submerge sorghum stalk biological particles
Preferably；
C) oxidation operation：The biological particles that soda acid is modified are placed in oxidation processes in the potassium permanganate solution of a concentration of 5wt%
1-2h obtains oxidizing biomass dispersion liquid；Contain a large amount of cellulose and hemicellulose in biomass, takes potassium permanganate can be with oxygen
Change forms exposed carboxyl；
D) grafting reacts：Then it is added at 40 DEG C of N- (tertbutyloxycarbonyl) amion acetic acids and the concentrated sulfuric acid and reacts 2h, then 70 DEG C
Lower reaction 2h；Filter, be washed to filtrate at it is neutral, dry amion acetic acid grafting biomass；Amion acetic acid is in the concentrated sulfuric acid
Under the action of with the exposed carboxyl formed in oxidation operation form acid anhydrides, while slough protecting group expose amino and sulfuric acid at
Salt；
2）The preparation of composite modified hectorite：
（1）Hectorite quaternization：It is that 200 mesh hectorite below is placed in stearyl dimethyl benzyl ammonium chloride by granularity
Ultrasonic disperse 48h obtains the hectorite dispersion liquid of quaternization in aqueous solution；Every gram of hectorite needs 0.12-0.20g octadecyls
Dimethyl benzyl ammonium chloride；
（2）The complexing of hectorite：Ethylenediamine is added into hectorite dispersion liquid to be complexed, 12h is stirred at 40 DEG C, is then filtered
It is detected to filtrate without chlorion with silver nitrate；Composite modified hectorite is dried to obtain at 70 DEG C；Every gram of hectorite needs 0.05-
0.10g ethylenediamines；Ethylenediamine is loaded on the hectorite of quaternization by being complexed in the step process；
3）The preparation of the multiporous biological matter microballoon of inorganic material hydridization：
The biomass of the composite modified hectorites of 10g and 8g amion acetic acid graftings is placed in the aqueous solution of 100ml ethyl alcohol and is stirred
Uniformly, 0.1g triethylamines are added, are filtered after crosslinking agent glutaraldehyde back flow reaction 2h then is added, wash, dry inorganic material
The multiporous biological matter microballoon of hydridization.It is in order to by amino in the biomass of amion acetic acid grafting that triethylamine is added in the present invention
Sulfate, which dissociates, to be come, compound to make amino in biomass, the amino sites of hectorite load and glutaraldehyde cross-linking be formed
Material；
Preferably, oxidation temperature is 10-20 DEG C in the oxidation operation, and the dosage of potassium permanganate is that sorghum obstructs biomass
0.08-0.13 times of grain weight；Contain a large amount of cellulose and hemicellulose in sorghum stalk, is to give birth in oxidation operation
The carbon-carbon bond oxidation scission of cellulose and hemicellulose in substance forms part carboxyl；Generally selecting property of potassium permanganate is low, oxidation
Temperature directly determines the degree of follow-up grafting reaction, and then influence the multiporous biological matter microballoon of final inorganic material hydridization
Pattern and its physicochemical property；
Preferably, the dosage of N- (tertbutyloxycarbonyl) amion acetic acid is that sorghum obstructs biological particles weight in the grafting reaction
0.21-0.32 times；
Preferably, the dosage of the crosslinking agent glutaraldehyde is 0.3-0.5g；
Preferably, drying temperature is 65 DEG C in the preparation process of the multiporous biological matter microballoon of the inorganic material hydridization, specific surface
Product reaches 79.2m2.g-1；It is found in research, the drying temperature in the preparation process of the multiporous biological matter microballoon of inorganic material hydridization
The specific surface area that can influence multiporous biological matter microballoon, when naturally dry at 20-30 DEG C, specific surface area is smaller, and 70 DEG C or more porous
Biomass structure in biomass microballoon, which gradually collapses, causes the aperture of microballoon to become larger, and is all unfavorable for heavy metal or organic dirt
Contaminate the absorption of object.
According to another aspect of the invention, the present invention provides a kind of use of the multiporous biological matter microballoon of inorganic material hydridization
On the way, for adsorbing heavy metal ion, phenol and aniline in waste water in the environment of certain pH value；The heavy metal is Pb2+、
Cr2+、Cu2+、Ni2+Or Zn2+；The multiporous biological matter microballoon of inorganic material hydridization prepared by the present invention has nitrogen oxygen electron rich group,
The binding site of absorption can be provided with heavy metal ion, in addition can adsorb organic pollution by hydrogen bond and porous structure.
The purposes of the multiporous biological matter microballoon of a kind of inorganic material hydridization according to the present invention, in the ring of certain pH value
For adsorbing heavy metal ion, phenol and aniline in waste water under border；The heavy metal is Pb2+、Cr2+、Cu2+、Ni2+Or Zn2+；
In the environment of different pH, the multiporous biological matter microballoon of inorganic material hydridization to heavy metal, aniline, phenol adsorption effect not
Together, Pb is adsorbed2+、Cr2+、Cu2+、Ni2+Or Zn2+PH environment be respectively：Pb2+For 4.3-5.2, Cr2+For 5.2-5.5, Cu2+For
6.2-6.5, Ni2+For 4.3-4.8；Zn2+For 3.2-7.8；The pH environment of adsorbing phenol is 5.5-6.4, the pH environment of adsorption of aniline
For 7.8-8.2.
It, can be molten by hydrochloric acid after the multiporous biological matter microballoon of inorganic material hydridization prepared by the present invention is used to adsorb heavy metal
Liquid desorbs the heavy metal that it is adsorbed, and the multiporous biological matter microballoon of the inorganic material hydridization after desorption is activated by being heat-treated
It repeats and utilizes afterwards.
Compared with prior art, the invention has the advantages that：
1）It is combined the new of inorganic material hydridization as raw material the present invention provides a kind of using being modified sorghum stalk and modified hectorite
Type multiporous biological matter microballoon, the novel porous biomass microballoon have excellent specific surface area, reach 79.2m2.g-1；
2）Multiporous biological matter microballoon prepared by the present invention can be used for adsorbing contents of many kinds of heavy metal ion, and can simultaneously adsorption of aniline and/
Or phenol；
3）The heavy metal of the multiporous biological matter microballoon absorption prepared through the invention can carry out the solution of heavy metal by hydrochloric acid solution
It inhales, acidolysis repeats to utilize after inhaling by the multiporous biological matter microballoon of heat treatment adsorbs heavy metal again.
Description of the drawings
Fig. 1 is the multiporous biological matter microballoon electron-microscope scanning figure of inorganic material hydridization prepared by the present invention.
Specific implementation mode
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment, to this
Invention is further described.It should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the present invention.
Embodiment 1
Prepare the multiporous biological matter microballoon of inorganic material hydridization：
1）The modification of sorghum stalk：
A) pulverizing process：It is that 200 mesh or less obtain sorghum stalk biological particles that grain size is crushed to after sorghum stalk is dried；
B) soda acid treatment process：100g sorghums stalk biological particles are placed in 200ml 3wt% phosphate aqueous solutions and stir dipping
30min is subsequently placed in the potassium hydroxide aqueous solution of 200ml 5wt% and impregnates 10min at 50 DEG C, and filtering, originally water washing are extremely
Filtrate is at the neutral biological particles for obtaining soda acid and being modified；
C) oxidation operation：The biological particles that soda acid is modified are placed in the potassium permanganate solution of a concentration of 5wt% in 10-20
Oxidation processes 1-2h obtains oxidizing biomass dispersion liquid at DEG C；The dosage of potassium permanganate is that sorghum obstructs the 0.10 of biological particles weight
Times；
D) grafting reacts：Then it is added at 40 DEG C of N- (tertbutyloxycarbonyl) amion acetic acids and the concentrated sulfuric acid and reacts 2h, then 70 DEG C
Lower reaction 2h；Filter, be washed to filtrate at it is neutral, dry amion acetic acid grafting biomass；N- (uncles in grafting reaction
Butoxy carbonyl) dosage of amion acetic acid is that sorghum obstructs 0.26 times of biological particles weight；
2）The preparation of composite modified hectorite：
（1）Hectorite quaternization：It is that 200 mesh hectorite below is placed in octadecyl dimethyl benzyl chlorination by 100g granularities
Ammonium（Every gram of hectorite needs 0.12-0.20g stearyl dimethyl benzyl ammonium chlorides, this embodiment dosage is（Every gram of hectorite
Need 0.15g stearyl dimethyl benzyl ammonium chlorides）Aqueous solution in ultrasonic disperse 48h obtain quaternization hectorite dispersion
Liquid；
（2）The complexing of hectorite：Ethylenediamine is added into hectorite dispersion liquid（With step 1）Middle hectorite is calculating basis, often
Gram hectorite needs 0.05-0.10g ethylenediamines, this embodiment dosage is that every gram of hectorite needs 0.08g ethylenediamines）Carry out network
It closes, stirs 12h at 40 DEG C, then filter to filtrate and detected without chlorion with silver nitrate, composite modified water brightness is dried to obtain at 70 DEG C
Stone；
3）The preparation of the multiporous biological matter microballoon of inorganic material hydridization：
The biomass of the composite modified hectorites of 10g and 8g amion acetic acid graftings is placed in the aqueous solution of 100ml ethyl alcohol and is stirred
Uniformly, 0.1g triethylamines are added, crosslinking agent glutaraldehyde is then added（0.4g）It filters, washes after back flow reaction 2h, done at 65 DEG C
The dry multiporous biological matter microballoon that inorganic material hydridization is obtained to constant weight.
Influence of the different drying temperatures of embodiment 2 to multiporous biological matter microballoon specific surface area
（a）Compared with Example 1, difference lies in drying temperatures in the preparation process of the multiporous biological matter microballoon of inorganic material hydridization
It it is 20-30 DEG C, remaining preparation process and raw material proportioning are identical with embodiment 1；
（b）Compared with Example 1, difference lies in drying temperatures in the preparation process of the multiporous biological matter microballoon of inorganic material hydridization
It it is 80-90 DEG C, remaining preparation process and raw material proportioning are identical with embodiment 1.
Embodiment 3
Heavy metal in the multiporous biological matter microballoon adsorption aqueous solution of inorganic material hydridization is taken, the specific method is as follows, prepares respectively
Pb2+、Cr2+、Cu2+、Ni2+Or Zn2+Chloride aqueous solution, molar concentration is 60mmol/L；In addition aniline is prepared respectively
With the aqueous solution of phenol, molar concentration is also 60mmol/L；It is micro- with the multiporous biological matter of the inorganic material hydridization of the preparation of embodiment 1
Ball is adsorbent（1.0g adsorbents are added per aqueous solution）, heavy metal or organic matter are positioned at 20-30 DEG C of room temperature（Benzene
Amine or phenol）Aqueous solution in, using hydrochloric acid or sodium hydroxide regulation system pH to certain section, be then stirred absorption
2h, filtering measure weight in filtrate using the concentration in aniline and phenol in UV detector filtrates tested using Atomic absorption
The concentration of metal ion calculates absorption efficiency；As a result as shown in table 1 below：
1 multiporous biological matter microballoon of table adsorbs the adsorption capacity of heavy metal and organic pollution
Note：1) the above removal efficiency is the average value of three points in pH value section, respectively the two of the sections pH endpoint value and
One median；Example 2.0-3.0, i.e. pH are respectively 2.0 ± 0.1,2.5 ± 0.1 and 3.0 ± 0.1, and three point values correspond to absorption
The average value of efficiency;2）Phenol+Cr2+System represents phenol and CrCl2Mixed solution, the two concentration is 60mmol/L, inhale
Attached dose of dosage is similarly every aqueous solution and 1.0g adsorbents is added, and adsorption temp is also 20-30 DEG C, adsorption time 2h.
According in embodiment 2（a）With（b）Multiporous biological matter microballoon prepared by middle preparation method, adsorption test is carried out to it
It tests (experimental condition is same as above, i.e. temperature, adsorbent amount, initial concentration etc.), the results are shown in Table 2：
Influence of the different drying temperatures of table 2 to adsorbent absorption property
Since heavy metal can be desorbed with adsorbent under acid condition, so the present invention is attempted according to this principle by adsorbent
The desorption of heavy metal is carried out after use, the specific method is as follows：After the multiporous biological matter microballoon of inorganic material hydridization is recovered by filtration
It is placed in the aqueous hydrochloric acid solution of 2mol/L the progress ultrasound 2h at 50 DEG C, measures Pb2+、Cr2+、Cu2+、Ni2+Or Zn2+Heavy metal from
The desorption rate of son, and constant weight will be dried under vacuum at 50 DEG C of adsorbent after desorption, and it is more than 90% adsorbent weight to desorption rate
Adsorption rate after multiple its recycling using test（Test method is same as above）, the results are shown in Table 3：
Absorption property after the desorption rate and its recovery of 3 adsorbent of table in acid condition
Note：" --- " indicates not carry out adsorption rate test, wherein Cu since desorption efficiency is too low2+PH environment is adsorbed when recovery
It is 7.0；Ni2+It is 4.5 that pH environment is adsorbed when recovery.
Although embodiments of the present invention are described in detail, it should be understood that, without departing from the present invention's
In the case of spirit and scope, can embodiments of the present invention be made with various changes, replacement and change.
Claims (2)
1. a kind of Cu2+The recovery method of the multiporous biological matter microballoon of heavy metal-polluted water process inorganic material hydridization, feature exist
In：By the multiporous biological matter microballoon of inorganic material hydridization be recovered by filtration in the aqueous hydrochloric acid solution for be placed on 2mol/L at 50 DEG C into
Row ultrasound 2h, measures Cu2+The desorption rate of heavy metal ion, and must be returned constant weight is dried under vacuum at 50 DEG C of adsorbent after desorption
The multiporous biological matter microballoon of the inorganic material hydridization of receipts；
The multiporous biological matter microballoon of the inorganic material hydridization of the recycling can be used for Adsorption of Cu in the environment of pH environment is 7.02+
Waste water；
The multiporous biological matter microballoon of the inorganic material hydridization is prepared by following preparation method：
1）The modification of sorghum stalk：
A) pulverizing process：It is that 200 mesh or less obtain sorghum stalk biological particles that grain size is crushed to after sorghum stalk is dried；
B) soda acid treatment process：100g sorghums stalk biological particles are placed in 200ml 3wt% phosphate aqueous solutions and stir dipping
30min is subsequently placed in the potassium hydroxide aqueous solution of 200ml 5wt% and impregnates 10min at 50 DEG C, and filtering, originally water washing are extremely
Filtrate is at the neutral biological particles for obtaining soda acid and being modified；
C) oxidation operation：The biological particles that soda acid is modified are placed in the potassium permanganate solution of a concentration of 5wt% in 10-20
Oxidation processes 1-2h obtains oxidizing biomass dispersion liquid at DEG C；The dosage of potassium permanganate is that sorghum obstructs the 0.10 of biological particles weight
Times；
D) grafting reacts：Then it is added at 40 DEG C of N- (tertbutyloxycarbonyl) amion acetic acids and the concentrated sulfuric acid and reacts 2h, then 70 DEG C
Lower reaction 2h；Filter, be washed to filtrate at it is neutral, dry amion acetic acid grafting biomass；N- (uncles in grafting reaction
Butoxy carbonyl) dosage of amion acetic acid is that sorghum obstructs 0.26 times of biological particles weight；
2）The preparation of composite modified hectorite：
（1）Hectorite quaternization：It is that 200 mesh hectorite below is placed in octadecyl dimethyl benzyl chlorination by 100g granularities
Ultrasonic disperse 48h obtains the hectorite dispersion liquid of quaternization in the aqueous solution of ammonium；Every gram of hectorite needs 0.15g octadecyls two
Methylbenzyl ammonium chloride；
（2）The complexing of hectorite：Ethylenediamine is added into hectorite dispersion liquid, every gram of hectorite needs 0.08g ethylenediamines to carry out
Complexing stirs 12h at 40 DEG C, then filters to filtrate and is detected without chlorion with silver nitrate, composite modified water is dried to obtain at 70 DEG C
Pyroxene；
（3）The preparation of the multiporous biological matter microballoon of inorganic material hydridization：
The biomass of the composite modified hectorites of 10g and 8g amion acetic acid graftings is placed in the aqueous solution of 100ml ethyl alcohol and is stirred
Uniformly, 0.1g triethylamines are added, are filtered after crosslinking agent glutaraldehyde 0.4g back flow reactions 2h then is added, wash, it is dry at 65 DEG C
The multiporous biological matter microballoon of inorganic material hydridization is obtained to constant weight.
2. a kind of Ni2+The recovery method of the multiporous biological matter microballoon of heavy metal-polluted water process inorganic material hydridization, feature exist
In：By the multiporous biological matter microballoon of inorganic material hydridization be recovered by filtration in the aqueous hydrochloric acid solution for be placed on 2mol/L at 50 DEG C into
Row ultrasound 2h, measures Ni2+The desorption rate of heavy metal ion, and must be returned constant weight is dried under vacuum at 50 DEG C of adsorbent after desorption
The multiporous biological matter microballoon of the inorganic material hydridization of receipts；
The multiporous biological matter microballoon of the inorganic material hydridization of the recycling can be used for adsorbing Ni in the environment of pH is 4.52+Waste water；
The multiporous biological matter microballoon of the inorganic material hydridization is prepared by following preparation method：
1）The modification of sorghum stalk：
A) pulverizing process：It is that 200 mesh or less obtain sorghum stalk biological particles that grain size is crushed to after sorghum stalk is dried；
B) soda acid treatment process：100g sorghums stalk biological particles are placed in 200ml 3wt% phosphate aqueous solutions and stir dipping
30min is subsequently placed in the potassium hydroxide aqueous solution of 200ml 5wt% and impregnates 10min at 50 DEG C, and filtering, originally water washing are extremely
Filtrate is at the neutral biological particles for obtaining soda acid and being modified；
C) oxidation operation：The biological particles that soda acid is modified are placed in the potassium permanganate solution of a concentration of 5wt% in 10-20
Oxidation processes 1-2h obtains oxidizing biomass dispersion liquid at DEG C；The dosage of potassium permanganate is that sorghum obstructs the 0.10 of biological particles weight
Times；
D) grafting reacts：Then it is added at 40 DEG C of N- (tertbutyloxycarbonyl) amion acetic acids and the concentrated sulfuric acid and reacts 2h, then 70 DEG C
Lower reaction 2h；Filter, be washed to filtrate at it is neutral, dry amion acetic acid grafting biomass；N- (uncles in grafting reaction
Butoxy carbonyl) dosage of amion acetic acid is that sorghum obstructs 0.26 times of biological particles weight；
2）The preparation of composite modified hectorite：
（1）Hectorite quaternization：It is that 200 mesh hectorite below is placed in octadecyl dimethyl benzyl chlorination by 100g granularities
Ultrasonic disperse 48h obtains the hectorite dispersion liquid of quaternization in the aqueous solution of ammonium；Every gram of hectorite needs 0.15g octadecyls two
Methylbenzyl ammonium chloride；
（2）The complexing of hectorite：Ethylenediamine is added into hectorite dispersion liquid, every gram of hectorite needs 0.08g ethylenediamines to carry out
Complexing stirs 12h at 40 DEG C, then filters to filtrate and is detected without chlorion with silver nitrate, composite modified water is dried to obtain at 70 DEG C
Pyroxene；
（3）The preparation of the multiporous biological matter microballoon of inorganic material hydridization：
The biomass of the composite modified hectorites of 10g and 8g amion acetic acid graftings is placed in the aqueous solution of 100ml ethyl alcohol and is stirred
Uniformly, 0.1g triethylamines are added, are filtered after crosslinking agent glutaraldehyde 0.4g back flow reactions 2h then is added, wash, it is dry at 65 DEG C
The multiporous biological matter microballoon of inorganic material hydridization is obtained to constant weight.
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| CN112458289A (en) * | 2020-11-02 | 2021-03-09 | 温州伟达贵金属粉体材料有限公司 | Method for selectively separating and recovering silver from silver-nickel alloy copper-based rivet waste |
| CN115121235A (en) * | 2021-03-29 | 2022-09-30 | 湖南大学 | Method for recycling edible fungus vegetable biochar capable of adsorbing heavy metals |
| CN115624954A (en) * | 2022-10-25 | 2023-01-20 | 广州市点滴生物科技有限公司 | Biomass composite treating agent for removing nitrogen and phosphorus in sewage and preparation method thereof |
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| CN108421535B (en) * | 2018-05-30 | 2020-09-22 | 温州慧思工业设计有限公司 | Method for purifying phenol-containing organic wastewater by using cellulose/hectorite hybrid composite material |
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| CN115121235B (en) * | 2021-03-29 | 2023-11-17 | 湖南大学 | Regeneration and utilization method of edible tree fungus charcoal for adsorbing heavy metals |
| CN115624954A (en) * | 2022-10-25 | 2023-01-20 | 广州市点滴生物科技有限公司 | Biomass composite treating agent for removing nitrogen and phosphorus in sewage and preparation method thereof |
| CN115624954B (en) * | 2022-10-25 | 2024-05-03 | 安徽精高水处理有限公司 | Biomass composite treating agent for removing nitrogen and phosphorus in sewage and preparation method thereof |
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| CN108585101B (en) | 2020-12-11 |
| CN107555521A (en) | 2018-01-09 |
| CN107555521B (en) | 2018-07-03 |
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