JP6845195B2 - 高塩基性塩化アルミニウム - Google Patents
高塩基性塩化アルミニウム Download PDFInfo
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- JP6845195B2 JP6845195B2 JP2018181034A JP2018181034A JP6845195B2 JP 6845195 B2 JP6845195 B2 JP 6845195B2 JP 2018181034 A JP2018181034 A JP 2018181034A JP 2018181034 A JP2018181034 A JP 2018181034A JP 6845195 B2 JP6845195 B2 JP 6845195B2
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- aluminum chloride
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- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 title claims description 172
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 17
- 229910052783 alkali metal Inorganic materials 0.000 claims description 14
- 150000001340 alkali metals Chemical class 0.000 claims description 11
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 11
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000000243 solution Substances 0.000 description 64
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 36
- 239000000499 gel Substances 0.000 description 33
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 18
- 238000000034 method Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 11
- 230000032683 aging Effects 0.000 description 11
- 239000010419 fine particle Substances 0.000 description 10
- 239000011734 sodium Substances 0.000 description 10
- 239000012670 alkaline solution Substances 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 230000001965 increasing effect Effects 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 239000000701 coagulant Substances 0.000 description 8
- 229910052593 corundum Inorganic materials 0.000 description 7
- 239000003651 drinking water Substances 0.000 description 7
- 235000020188 drinking water Nutrition 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 description 7
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 6
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229910001388 sodium aluminate Inorganic materials 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- -1 aluminate alkali metal salt Chemical class 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 229940091250 magnesium supplement Drugs 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 150000003377 silicon compounds Chemical class 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229960002337 magnesium chloride Drugs 0.000 description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 description 3
- 229940050906 magnesium chloride hexahydrate Drugs 0.000 description 3
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- KVOIJEARBNBHHP-UHFFFAOYSA-N potassium;oxido(oxo)alumane Chemical compound [K+].[O-][Al]=O KVOIJEARBNBHHP-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000223935 Cryptosporidium Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004523 agglutinating effect Effects 0.000 description 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000000176 sodium gluconate Substances 0.000 description 1
- 235000012207 sodium gluconate Nutrition 0.000 description 1
- 229940005574 sodium gluconate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/56—Chlorides
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Geology (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Silicon Compounds (AREA)
Description
以上
数を示す)、Cl/Al2O3(モル比)=1.0〜3.0、SO4/Al2O3(モル比)=0〜0.35であり、塩基度が80%〜90%である高塩基性塩化アルミニウムである。
(1)SO4含有量(SO4/Al2O3(モル比))が0〜0.1であり塩基度が40%〜65%の塩基性塩化アルミニウム第一溶液を、アルカリ溶液と反応させアルミナゲルを生成させる第一工程と、
(2)第一工程で得られるアルミナゲルを、SO4含有量(SO4/Al2O3(モル比))が0〜0.1であり塩基度が40%〜55%の塩基性塩化アルミニウム第二溶液に、40℃〜80℃で添加し溶解する第二工程と、
(3)第二工程で得られる溶液に炭酸アルカリを添加し塩基度80%〜90%の塩基性塩化アルミニウム第三溶液を得る第三工程と、
(4)第三工程で得られる第三溶液を、40℃〜90℃で熟成して熟成溶液を得る第四工程と、
(5)第四工程で得られる熟成溶液に硫酸塩を添加して、該熟成溶液中のSO4含有量をSO4/Al2O3(モル比)=0〜0.35に調製する第五工程を経ることにより製造することができる。
なお、SO4含有量が前記範囲に足りない場合には、その必要量(第一、第二溶液にSO4を一部含有している場合には必要量からその量を差し引いた量)を添加して、高塩基性塩化アルミニウムとする。またマグネシウム含ませる場合には、前記のとおり、いずれかの工程に塩化マグネシウムの形態で添加するのが好ましい。
アルミン酸ナトリウム溶液(Al2O3換算19.7%、Na2O換算20.2%)109.0gと、ケイ酸ナトリウム溶液(SiO2換算28%、Na2O換算10%)7.0gを混合した。
ビーカーに河川水1リットルを入れ、急速攪拌(100rpm:64cm/sec)しながら高塩基性塩化アルミニウムを添加し、引き続き上記条件と同じ急速攪拌1分、緩速攪拌(60rpm;38cm/sec)を10分行い、10分間静置し、上澄液をサイホンにて採取し、濁度、残留アルミ濃度、E260(紫外部吸光度:トリハロメタン除去率) 、微粒子数を求めた。
濁度:前記上澄み液を試料として、濁度計(日本電色工業株式会社製、WA−6000)を用いて測定した。
濁度は測定値で評価した。保存安定性は50℃のウォーターバスに保管して、目視で評価した。残存アルミニウム濃度、E260および微粒子数は測定値で評価した。
実施例1のケイ酸ナトリウム溶液、塩化マグネシウム6水和物および液体硫酸バンドを添加せず、他は実施例1と同様にして高塩基性塩化アルミニウムを得た。組成は表1に示す。また実施例1と同様に試験をして評価した。結果を表2に示す。
実施例1における炭酸ナトリウムを、60.6g添加する以外は、実施例1と同様にして塩基度90%の高塩基性塩化アルミニウムを得た。組成は表1に示す。また実施例1と同様に試験をして評価した。結果を表2に示す。
実施例3の第五工程にて、不足分のSO4を添加するため、硫酸ナトリウムを26.6g添加する以外は、実施例3と同様にして高塩基性塩化アルミニウムを得た。組成は表1に示す。また実施例1と同様に試験をして評価した。結果を表2に示す。
実施例1の炭酸ナトリウムを14.5g添加する以外は、実施例1と同様にして、塩基度を75.5%の高塩基性塩化アルミニウムを得た。組成は表1に示す。また実施例1と同様に試験をして評価した。結果を表2に示す。
アルミン酸ナトリウム溶液(Al2O3換算19.7%、Na2O換算20.2%)110.7gと、基性塩化アルミニウム溶液(塩基度49.7%、Al2O3濃度19.1%、SO4濃度0%)128.7gを混合し、アルミナゲルを生成した。その後、このアルミナゲルを室温で0.25〜2時間熟成し、さらに塩基性塩化アルミニウム溶液(塩基度49.7%、Al2O3濃度19.1%、SO4濃度0%)273.8gを添加し溶解した。この溶液を40℃〜80℃で60〜180分熟成し、炭酸ナトリウム14.5gを添加して塩基度を高めた。
実施例1の高塩基性塩化アルミニウムに代えて、市販(朝日化学工業株式会社製)のPAC(Al2O3:10.3%、塩基度:52%、SO4:2.6%(SO4/Al2O3(モル比)=0.27)を実施例1と同様にして評価した。結果を表2に示す。
アルミン酸ナトリウム溶液(Al2O3換算19.7%、Na2O換算20.2%)109.0gと、ケイ酸ナトリウム溶液(SiO2換算28%、Na2O換算10%)7.0gを混合した。
金属アルミニウム片45.5gを塩酸(35.6%)94.6gで溶解させて、塩基性塩化アルミニウム溶液(塩基度83.3%、Al2O323.1%)402.4gを得た。
比較例2の液体硫酸バンド添加前までに炭酸ナトリウムを7g添加して、熟成温度を65℃とした以外は、実施例2と同様にして、塩基度73.5%の高塩基性塩化アルミニウムを得た。この溶液を実施例1と同様にして評価した。結果を表2に示す。
Claims (3)
- 組成が、M/Al2O3(モル比)=0.8〜2.2(Mはアルカリ金属のモル数を示す)、E/Al2O3(モル比)=0〜0.3(Eはアルカリ土類金属のモル数を示す)、Cl/Al2O3(モル比)=1.0〜3.0、SO4/Al2O3(モル比)=0〜0.26であり、塩基度が80%〜90%であることを特徴とする高塩基性塩化アルミニウム。
- さらにSi化合物をSi/Al2O3(モル比)=0.001〜0.1含むことを特徴
とする請求項1に記載の高塩基性塩化アルミニウム。 - 請求項1または2に記載の高塩基性塩化アルミニウムを水にAl2O3換算で8重量%〜12重量%含むことを特徴とする水処理用凝集剤組成物。
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JP2018181034A JP6845195B2 (ja) | 2018-09-26 | 2018-09-26 | 高塩基性塩化アルミニウム |
KR1020190113318A KR102337418B1 (ko) | 2018-09-26 | 2019-09-16 | 고 염기성 염화알루미늄 및 그 제조 방법 |
TW108133350A TWI764044B (zh) | 2018-09-26 | 2019-09-17 | 高鹼性氯化鋁及其製造方法 |
CN201910892381.1A CN110950369A (zh) | 2018-09-26 | 2019-09-20 | 高碱性氯化铝及其制造方法 |
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