KR100858633B1 - Manufacturing method of the poly aluminum chloride of hig bacicity - Google Patents

Manufacturing method of the poly aluminum chloride of hig bacicity Download PDF

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KR100858633B1
KR100858633B1 KR1020060115712A KR20060115712A KR100858633B1 KR 100858633 B1 KR100858633 B1 KR 100858633B1 KR 1020060115712 A KR1020060115712 A KR 1020060115712A KR 20060115712 A KR20060115712 A KR 20060115712A KR 100858633 B1 KR100858633 B1 KR 100858633B1
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hcl
sodium
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aluminum oxide
basicity
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KR20080046364A (en
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이동석
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미주엔비켐 주식회사
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    • 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
    • C01F7/78—Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

본 발명은 식수의 수 처리 응집제로 이용하기 위해 염산(HCl)과 수산화알루미늄(Al(OH)3) 을 반응시킨 후, 140℃의 온도에서 8~12시간 동안 혼합하고 냉각(60℃)시켜 탄산나트륨(Na2CO3)과 황산나트륨(Na2SO4)의 혼합물을 혼합한 후 물에 희석시켜 산화알루미늄(Al2O3)이 18%이고 염기도가 45%인 폴리염화알루미늄〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕 → 〔Al2(OH)nCl6-nSO4〕m +CO2 ↑ 을 1≤n≤5, m≤10의 조건으로 형성된 제품을 고속으로 혼합시키고 산화나트륨(Na2O)의 농도가 20~35%인 수산화나트륨(NaOH)을 투입하고 60~110℃에서 3시간 동안 숙성시켜 10~17%의 산화알루미늄(Al2O3)을 형성하고 55~75%의 고 염기도를 갖는 폴리염화알루미늄〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m 을 1≤n≤5, m≤10 의 조건으로 하는 제조방법을 제공하는 것이다.The present invention is to react with hydrochloric acid (HCl) and aluminum hydroxide (Al (OH) 3 ) in order to use as a water treatment flocculant of drinking water, and then mixed for 8 to 12 hours at a temperature of 140 ℃ and cooled (60 ℃) sodium carbonate (Na 2 CO 3) and sodium sulfate (Na 2 SO 4) mixture of aluminum oxide to a mixture after dilution in water of (Al 2 O 3) is 18% and a basicity of 45% of 3 polyaluminum chloride [2Al (OH) + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] m + CO 2 ↑ in a condition of 1≤n≤5, m≤10 at high speed the mixture and the concentration of sodium oxide (Na 2 O) added to the sodium hydroxide (NaOH) 20 ~ 35%, and was aged for from 60 ~ 110 ℃ 3 sigan aluminum oxide of 10 ~ 17% (Al 2 O 3) formed Polyvinyl chloride [Al 2 (OH) n Cl 6 -nSO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] m with a high basicity of 55-75%. To provide a manufacturing method with the condition of m≤10.

고 염기도, 폴리염화알루미늄(PAC), 응집제 High basicity, polyaluminum chloride (PAC), flocculant

Description

고염기도 폴리염화알루미늄 제조방법{Manufacturing method of the poly aluminum chloride of hig bacicity}Manufacturing method of the high basic poly aluminum chloride {Manufacturing method of the poly aluminum chloride of hig bacicity}

본 발명은 고 염기도 폴리염화알루미늄 제조방법에 관한 것으로, 염산(HCl)과 수산화알루미늄(Al(OH)3)을 140℃의 온도에서 8시간 동안 반응시킨 혼합물에 탄산나트륨(Na2CO3)과 황산나트륨(Na2SO4)과 물을 혼합한 혼합물을 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕의 반응식으로 반응시켜 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식과 탄산가스(CO2)를 제거시킨 혼합물에 수산기를 높이기 위해 수산화나트륨(NaOH)을 투입하여〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m 1≤n≤5, m≤10 의 반응식을 만족시키는 혼합물로 구성되고 상기와 같이 구성된 혼합물을 60~110℃의 온도로 고속(500~1000rpm)으로 교반하고 3시간 동안 숙성시켜 고 염기도의 폴리염화알루미늄의 제조방법에 관한 것이다.The present invention relates to a method for producing a high basic polyaluminum polychloride, in which sodium carbonate (Na 2 CO 3 ) and sodium sulfate are reacted with a mixture of hydrochloric acid (HCl) and aluminum hydroxide (Al (OH) 3 ) for 8 hours at a temperature of 140 ° C. The mixture of (Na 2 SO 4 ) and water was reacted by the reaction formula [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] to [Al 2 (OH) n Cl 6 - n SO 4]. To the reaction mixture of m + CO 2 ↑ and to remove the carbon dioxide (CO 2 ), sodium hydroxide (NaOH) was added to raise the hydroxyl group [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] m 1≤n≤5, m≤10 The mixture composed of the above and satisfying the above reaction mixture composed of the above at a high temperature (60 ~ 110 ℃) (500 ~ 1000rpm) The present invention relates to a method for preparing polybasic aluminum chloride having high basicity by stirring and aging for 3 hours.

폴리염화알루미늄은 일반적으로 47~60%를 함유하는 수산화알루미늄(Al(OH)3)의 1몰과 32~35%를 함유하는 염산(HCL) 2몰을 혼합한 후 120~180℃에서 7~8시간 교 반하고 물을 희석하여 염기도가 42~43%이고 10~17%의 농도의 산화알루미늄(Al2O3)을 갖는 폴리염화알루미늄을 얻거나, 수용액으로 폴리염화알루미늄을 얻을 때는 〔Al2(OH)nCl6-n〕m 이 아코착이온〔Al(H2O)6〕을 가지는 화합물이기 때문에 수산기(OH)를 가교해서 다핵 체제가 되고 핵은 증가해서 거대화한 무기 고분자 화합물을 얻게 되는 일반적 방법을 사용하게 된다.Polyaluminum chloride is generally mixed with 1 mole of aluminum hydroxide (Al (OH) 3 ) containing 47-60% and 2 moles of hydrochloric acid (HCL) containing 32-35%, then at 7-120 ° C. After stirring for 8 hours and diluting water to obtain polyaluminum chloride with aluminum oxide (Al 2 O 3 ) having a basicity of 42 to 43% and a concentration of 10 to 17%, or to obtain polyaluminum chloride as an aqueous solution [Al 2 (OH) n Cl 6 - n ] m is a compound having an azo complex [Al (H 2 O) 6 ], crosslinking hydroxyl groups (OH) to form a multinuclear system, and the nucleus increases to form a large inorganic polymer compound. You will use the usual method of obtaining it.

상기와 같은 제조방법에서도 염기도를 올리기 위해서는 탄산나트륨(Na2CO3)을 폴리염화알루미늄(PAC)에 첨가하게 된다.In the above production method, in order to increase the basicity, sodium carbonate (Na 2 CO 3 ) is added to polyaluminum chloride (PAC).

상기와 같이 탄산나트륨(Na2CO3)을 폴리염화알루미늄에 첨가하게 되면 탄산가스(CO2)에 의해 폴리염화알루미늄의 구조가 취약하게 되고 외부 온도가 상온 보다 낮거나 높은 경우 폴리염화알루미늄의 구조가 변형되어 수산화알루미늄(Al(OH)3)의 침전물이 발생하여 물의 정제능력이 떨어질 뿐 아니라 침전물의 빈번한 청소의 부담이 있다.When sodium carbonate (Na 2 CO 3 ) is added to the polyaluminum chloride as described above, the structure of the polyaluminum chloride becomes weak due to the carbon dioxide gas (CO 2 ), and when the external temperature is lower or higher than room temperature, the structure of the polyaluminum chloride is Deformation occurs to precipitate of aluminum hydroxide (Al (OH) 3 ) to reduce the purification capacity of water as well as the burden of frequent cleaning of the precipitate.

염산(HCl)과 수산화알루미늄(Al(OH)3)을 140℃의 온도에서 8시간 동안 반응시킨 혼합물에 탄산나트륨(Na2CO3)과 황산나트륨(Na2SO4)과 물을 혼합한 혼합물을 혼합시켜 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 1차 반응식과 같이 탄산가스(CO2)를 제거시킨 혼합물에 수산화나트륨(NaOH)을 투입하 여〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m 1≤n≤5, m≤10 의 2차 반응식을 만족시키는 혼합물로 구성하고 상기와 같이 구성된 혼합물을 60~110℃의 온도로 고속(500~1000rpm)으로 교반하고 3시간 동안 숙성시켜 고 염기도(70%)의 폴리염화알루미늄의 제조방법을 제공하는데 그 목적이 있다.A mixture of sodium carbonate (Na 2 CO 3 ), sodium sulfate (Na 2 SO 4 ) and water was mixed with a mixture of hydrochloric acid (HCl) and aluminum hydroxide (Al (OH) 3 ) at a temperature of 140 ° C. for 8 hours. [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3] → [Al 2 (OH) n Cl 6 - In the sodium hydroxide the mixture was removed a carbon dioxide gas (CO 2) as n SO4] m + 1 difference equation for CO2 ↑ (NaOH) and W [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] A mixture satisfying the second reaction equation of m 1 ≦ n ≦ 5, m ≦ 10 The purpose of the present invention is to provide a method for preparing polybasic aluminum chloride having high basicity (70%) by stirring at high speed (500-1000 rpm) at a temperature of 60-110 ° C. and aging for 3 hours.

본 발명은 상기와 같은 1차 반응식의 혼합물에서 수산기를 높여 염기도를 높이기 위한 방법을 제공하는 것이다.The present invention provides a method for increasing the basicity by raising the hydroxyl group in the mixture of the above first reaction scheme.

본 발명에 의한 탄산나트륨(Na2CO3)과 황산나트륨(Na2SO4)의 나트륨(Na2)은 염기성을 향상시키게 되며 황산(SO4)은 폴리염화알루미늄의 안정시키게 된다.Sodium (Na 2) of sodium carbonate (Na 2 CO 3) and sodium sulfate (Na 2 SO 4) according to the invention is thereby improve the basic thereby sulfate (SO 4) is stabilized in a poly aluminum chloride.

탄산나트륨과 황산나트륨은 폴리염화알류미늄에 OH를 증가시킬 때 폴리염화알루미늄의 안정화를 위한 것이다.Sodium carbonate and sodium sulfate are for the stabilization of polyaluminum chloride when increasing OH in polyaluminum chloride.

1차 반응식에서 NaOH를 첨가시키는 것은 염기도 45%인 폴리염화알루미늄에 염기도를 증가시키기 위한 것이다.The addition of NaOH in the first reaction scheme is to increase the basicity to polyaluminum chloride having a basicity of 45%.

본 발명에 의한 고속 교반은 1차 반응에 의한 산성인 폴리염화알루미늄과 염기인 가성소다(NaOH)가 혼합될 때 굳어지는 것을 방지하기 위한 것이다.The high speed agitation according to the present invention is intended to prevent hardening when acidic polyaluminum chloride and a base caustic soda (NaOH) are mixed by the first reaction.

일반적으로 산성의 물질과 알카리성의 물질이 혼합할 때는 급속히 굳어지는 성질이 있다.Generally, when acidic and alkaline materials are mixed, they harden rapidly.

이와 같은 이유 때문에 본 발명에서 1차 반응식으로 얻어진 폴리염화알루미늄에 NaOH를 혼할 때는 고속으로 교반하는 것은 본 발명의 구성이다.For this reason, it is a constitution of the present invention to stir at high speed when NaOH is mixed with polyaluminum chloride obtained by the first reaction scheme in the present invention.

〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 1차 반응식과, 수산화나트륨(NaOH)을 투입 하여〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m 1≤n≤5, m≤10 의 2차 반응식에서,[Al 2 (OH) n Cl 6 - SO4 n] m + 1 of the primary reaction formula CO2 ↑ and, by introducing sodium hydroxide (NaOH) [Al 2 (OH) n n Cl6- SO4] m + NaOH → [Al 2 (OH) n Cl 6 -n SO 4] In the second reaction formula wherein m 1 ≦ n ≦ 5, m ≦ 10,

염기도가 55인 경우,If the basicity is 55,

55=Al(OH)3 /3×Al의 금속수×100 이므로 55 = Al (OH) 3/ 3 × Al metal × 100 Because the

55=3.3/6×100이 성립된다.55 = 3.3 / 6 × 100 is established.

염기도가 65%, 70%,75% 등은 같은 방법으로 연산할 수 있다.Basicity 65%, 70%, 75% and the like can be calculated in the same way.

본 발명에서 교반 시간은 3시간 이상으로 지속적으로 교반함으로써 혼합물의 물성이 최적으로 구성되는 것을 그 실시에서 얻은 것이다.In the present invention, the stirring time is obtained by the embodiment that the physical properties of the mixture is optimally configured by continuously stirring for 3 hours or more.

본 발명에서 숙성온도를 60~140℃로 구성하는 것은 숙성온도가 60℃이하인 경우 숙성시간에 침전물이 발생하게 되며 숙성온도가 140℃를 초과하게 되면 혼합물의 물성이 변질되어 응집력이 저하되는 문제점이 그 실시에서 있었기 때문에 본 발명에 적용한 것이다.In the present invention, when the aging temperature is 60 to 140 ° C., when the aging temperature is 60 ° C. or less, a precipitate is generated at the aging time. Since it was in the implementation, it applied to this invention.

또한 본 발명에서는 폴리염화알루미늄의 수산기를 높이는 방법으로 수산화나트륨(NaOH) 대신에 알루민산소다(Na2Al2O4)를 투입하여 〔Al2(OH)nCl6-nSO4〕m + Na2Al2O4 → 〔Al2(OH)nCl6-nSO4〕m + Na+ 의 반응식을 갖고 1≤n≤5, m≤10 의 조건으로 폴리염화알루미늄의 고 염기도를 얻을 수 있다.In addition, in the present invention, by adding a sodium aluminate (Na 2 Al 2 O 4 ) in place of sodium hydroxide (NaOH) to increase the hydroxyl group of the polyaluminum chloride [Al 2 (OH) n Cl 6 - n SO 4] m + Na 2 Al 2 O 4 → [Al 2 (OH) n Cl 6 - n SO 4 ] A high basicity of polyaluminum chloride can be obtained under a condition of 1 ≦ n ≦ 5 and m ≦ 10 with a reaction formula of m + Na +.

본 발명은 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 갖는 폴리염화알루미 늄에 수산화나트륨(NaOH)을 투입하여〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m 1≤n≤5, m≤10 로 구성되고 Al2O3 10%, 염기도 70%의 고 염기도 폴리염화알루미늄으로 구성되는 제조방법을 제공되는 특징이 있다.In the present invention, sodium hydroxide (NaOH) is added to polyaluminum chloride having a reaction formula of [Al 2 (OH) n Cl 6 - n SO 4] m + CO 2 ↑ [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] m 1 ≦ n ≦ 5, m ≦ 10 and consist of 10% Al 2 O 3 , high basicity polyaluminum chloride with 70% basicity There is a feature provided by the manufacturing method.

본 발명은 Al2O3 18%, 염기도 45%의 폴리염화알루미늄(PAC)에 NaOH를 첨가할 때 고속혼합(5000~10,000rpm)으로 구성되는 특징이 있다.The present invention is characterized by high-speed mixing (5000 to 10,000 rpm) when NaOH is added to poly aluminum chloride (PAC) having 18% Al 2 O 3 and 45% basicity.

본 발명은 고속교반후 60~110℃의 온도로 3시간 이상으로 숙성시키는 방법으로 제조되는 특징이 있다.The present invention is characterized by being manufactured by a method of aging for 3 hours or more at a temperature of 60 ~ 110 ℃ after high speed stirring.

본 발명에 의한 폴리염화알루미늄은 10~17%의 산화알루미늄(Al2O3)으로 55~75%의 염기도를 구성하는 특징이 있다.The polyaluminum chloride according to the present invention is characterized by constituting 55 to 75% basicity with 10 to 17% aluminum oxide (Al 2 O 3 ).

상기한 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕의 반응식으로 반응시켜 〔Al2(OH)nCl6-n〕m + CO2 ↑ 로 구성되는 폴리염화알루미늄에서 탄산가스(CO2)의 제거와 황산(SO4)으로 안정성을 해결하였으며 이와 같은 폴리염화알루미늄에 NaOH를 첨가하여 염기도를 향상시키는 방법이다.In the polyaluminum chloride consisting of [Al 2 (OH) n Cl 6 - n ] m + CO 2 ↑ by reacting with the above reaction scheme of [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] Stability was solved by removal of carbon dioxide (CO 2 ) and sulfuric acid (SO 4 ), and it is a method of improving basicity by adding NaOH to such polyaluminum chloride.

염기도(%)는 알루미늄(Al) 금속의 단위 분자당 수산기(OH)의 100분율이기 때문에 본 발명은 Na0H를 첨가하는 방법으로 염기도를 높인 폴리염화알루미늄을 제공하는 것이다.Since the basicity (%) is 100% of the hydroxyl group (OH) per unit molecule of the aluminum (Al) metal, the present invention provides polyaluminum chloride having high basicity by adding Na0H.

탁 도(NTU)Turbidity (NTU) pHpH 알카리도(PPM)Alkaline (PPM) 수온(℃)Water temperature (℃) 44 7.217.21 30.130.1 20.420.4

표-1                        TABLE-1

상기 표-1은 응집제 비교 실험 원수 수치이다.Table 1 shows raw water values of the flocculant comparative experiment.

Al2O3농도(ppm)Al 2 O 3 concentration (ppm) 22 44 66 88 1010 응집후pHPH after aggregation 7.187.18 7.167.16 7.117.11 6.996.99 6.986.98 잔류탁도(NTU)Residual Turbidity (NTU) 0.340.34 0.310.31 0.260.26 0.250.25 0.230.23 탁도제거율(%)Turbidity removal rate (%) 91.591.5 92.392.3 93.593.5 93.893.8 94.394.3

표-2                               TABLE-2

상기 표-2는 대상원수에 본 발명의 폴리염화알루미늄의 산화알루미늄(Al2O3)10% 농도로 염기도 70%를 가질 때, 나타난 탁도제거율의 수치이다.Table 2 is a numerical value of the turbidity removal rate when the base water has a basicity of 70% at a concentration of 10% of aluminum oxide (Al 2 O 3 ) of the aluminum chloride of the present invention.

Al2O3농도(ppm)Al 2 O 3 concentration (ppm) 22 44 66 88 1010 응집후pHPH after aggregation 7.127.12 7.027.02 6.706.70 6.496.49 6.216.21 잔류탁도(NTU)Residual Turbidity (NTU) 3.213.21 1.911.91 1.821.82 1.451.45 1.491.49 탁도제거율(%)Turbidity removal rate (%) 19.819.8 52.352.3 54.554.5 63.863.8 62.862.8

표-3                         TABLE-3

상기 표-3는 대상원수에 산화알루미늄(Al2O3)7%을 갖는 황산알루미늄을 투입하였을때 나타난 탁도제거율의 수치이다.Table 3 shows the turbidity removal rate when aluminum sulfate having aluminum oxide (Al 2 O 3 ) 7% was added to the target raw water.

Al2O3(ppm)Al 2 O 3 (ppm) 22 44 66 88 1010 응집후pHPH after aggregation 7.127.12 6.956.95 6.806.80 6.706.70 6.516.51 잔류탁도(NTU)Residual Turbidity (NTU) 0.940.94 0.900.90 0.840.84 0.640.64 0.720.72 탁도제거율(%)Turbidity removal rate (%) 76.576.5 77.577.5 79.079.0 84.384.3 82.082.0

표-4                                Table-4

상기 표-4는 대상 원수에 본 발명에 의한 1차 반응식에 의한 산화알루미늄(Al2O3)10%의 염기도 43%를 갖는 폴리염화알루미늄을 투입할 때, 나타난 탁도제거 율의 수치이다.Table 4 is a numerical value of the turbidity removal rate when a polyaluminum chloride having a basicity of 43% of aluminum oxide (Al 2 O 3 ) 10% by the first reaction formula according to the present invention is added to the raw water.

상기 표-2,3,4에 나타난 것과 같이 염기도에 따라 대상원수의 탁도 변화를 알 수 있다.As shown in Tables 2, 3, and 4, the turbidity change of the raw water can be seen according to the basicity.

실시예-1Example-1

산화알루미늄(Al203) 50~60%를 함유하는 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%를 함유하는 염산(HCl)52~58wt%을 혼합한 후 140℃에서 8시간 동안 반응시키고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%을 첨가하고 물 10wt%을 희석하여 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지며 1≤n≤5, m≤10을 만족시키는 산화알루미늄(Al203)의 농도 18%이고 염기도가 45%인 혼합물을 제조한다. 30 to 36 wt% of aluminum hydroxide (Al (OH) 3 ,) containing 50 to 60% of aluminum oxide (Al 2 0 3 ) and 52 to 58 wt% of hydrochloric acid (HCl) containing 32 to 35% of HCl After reacting at 140 ° C. for 8 hours, 1 wt% of sodium carbonate (Na 2 CO 3 ) and 1 wt% of sodium sulfate (Na 2 SO 4 ) were added thereto, and 10 wt% of water was diluted to [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] m + CO 2 ↑ of the aluminum oxide (Al 2 0 3 ) that satisfies 1≤n≤5, m≤10 A mixture having a concentration of 18% and a basicity of 45% is prepared.

상기 혼합물의 55wt%에 산화나트륨(Na2O)의 농도가 20~35%인 수산화나트륨(Na0H)6~10wt% 과 물(H2O)35~39wt%을 5000~10000rpm의 고속 교반으로 반응시키고 60~110℃에서 3시간 이상 숙성시켜 본 발명에 의한 산화알루미늄(Al203)의 농도 10%이고 염기도가 55%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10을 만족시키는 폴리염화알루미늄을 제조한다.Reacting the 35 ~ 39wt% of 20 to 35% of sodium (Na0H) 6 ~ 10wt% of water (H 2 O) hydroxide concentration of sodium (Na 2 O) oxidation to 55wt% of the mixture with high shear of 5000 ~ 10000rpm And aged at 60-110 ° C. for 3 hours or more, the concentration of aluminum oxide (Al 2 O 3 ) according to the present invention was 10%, the basicity was 55%, and [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] A polyaluminum chloride is prepared that reacts with m + Na + and satisfies 1 ≦ n ≦ 5 and m ≦ 10.

실시예-2Example-2

산화알루미늄(Al203) 50~60%를 함유하는 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%를 함유하는 염산(HCl)52~58wt%을 혼합한 후 140℃에서 8시간 동안 반응시키고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%을 첨가하고 물 10wt%을 희석하여 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지며 1≤n≤5, m≤10을 만족시키는 산화알루미늄(Al203)의 농도 18%이고 염기도가 45%인 혼합물을 제조한다.Aluminum hydroxide (Al (OH) 3 ,) containing 50-60% of aluminum oxide (Al 2 0 3 ) 52 to 58 wt% of hydrochloric acid (HCl) containing 30 to 36 wt% and 32 to 35% of HCl was reacted at 140 ° C. for 8 hours, followed by 1 wt% of sodium carbonate (Na 2 CO 3 ) and sodium sulfate (Na 2 SO 4). 1wt% and dilute 10wt% of water to give [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4 ] m + CO 2 A mixture having a reaction formula of ^ and having a concentration of 18% and a basicity of 45% of aluminum oxide (Al 2 O 3 ) satisfying 1 ≦ n ≦ 5 and m ≦ 10.

상기 혼합물의 56wt%에 산화나트륨(Na2O)의 농도가 20~35%인 수산화나트륨(Na0H)10~18wt% 과 물(H2O) 26~34wt%을 5000~10000rpm의 고속 교반으로 반응시키고 60~110℃에서 3시간 이상 숙성시켜 본 발명에 의한 산화알루미늄(Al203)의 농도 10%이고 염기도가 65%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10을 만족시키는 폴리염화알루미늄을 제조한다.10 to 18 wt% of sodium hydroxide (Na0H) and 26 to 34 wt% of water (H 2 O) with a concentration of 20 to 35% of sodium oxide (Na 2 O) were reacted at 56 wt% of the mixture by a high speed stirring of 5000 to 10000 rpm. After aging at 60-110 ° C. for 3 hours or more, the concentration of aluminum oxide (Al 2 O 3 ) according to the present invention was 10%, basicity was 65%, and [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] A polyaluminum chloride is prepared that reacts with m + Na + and satisfies 1 ≦ n ≦ 5 and m ≦ 10.

실시예-3Example-3

산화알루미늄(Al203) 50~60%를 함유하는 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%를 함유하는 염산(HCl)52~58wt%을 혼합한 후 140℃에서 8시간 동안 반응시키고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%을 첨가하고 물 10wt%을 희석하여 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지며 1≤n≤5, m≤10을 만족시키는 산화알루미늄(Al203)의 농도 18%이고 염기도가 45%인 혼합물을 제조한다. 30 to 36 wt% of aluminum hydroxide (Al (OH) 3 ,) containing 50 to 60% of aluminum oxide (Al 2 0 3 ) and 52 to 58 wt% of hydrochloric acid (HCl) containing 32 to 35% of HCl After reacting at 140 ° C. for 8 hours, 1 wt% of sodium carbonate (Na 2 CO 3 ) and 1 wt% of sodium sulfate (Na 2 SO 4 ) were added, and 10 wt% of water was diluted to obtain [2Al (OH) 3 + HCl + Na 2 SO. 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] Aluminum oxide having a reaction formula of m + CO 2 ↑ and satisfying 1≤n≤5, m≤10 (Al 2 0 3 ) A mixture having a concentration of 18% and a basicity of 45% is prepared.

상기 혼합물의 56wt%에 산화나트륨(Na2O)의 농도가 20~35%인 수산화나트륨(Na0H) 16~26wt% 과 물(H2O) 18~28wt%을 5000~10000rpm의 고속 교반으로 반응시키고 60~110℃에서 3시간 이상 숙성시켜 본 발명에 의한 산화알루미늄(Al203)의 농도 10%이고 염기도가 75%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10을 만족시키는 폴리염화알루미늄을 제조한다.16 to 26 wt% of sodium hydroxide (Na0H) and 18 to 28 wt% of water (H 2 O) at a concentration of 5000 to 10000 rpm with 56 wt% of the sodium oxide (Na 2 O) in 20 wt% of the mixture. After reacting and aging at 60-110 ° C. for 3 hours or more, the concentration of aluminum oxide (Al 2 O 3 ) according to the present invention is 10%, basicity is 75%, and [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] A polyaluminum chloride is prepared which reacts with m + Na + and satisfies 1 ≦ n ≦ 5 and m ≦ 10.

실시예-4Example-4

산화알루미늄(Al203) 50~60%를 함유하는 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%를 함유하는 염산(HCl)52~58wt%을 혼합한 후 140℃에서 8시간 동안 반응시키고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%을 첨가하고 물 10wt%을 희석하여〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지며 1≤n≤5, m≤10을 만족시키는 산화알루미늄(Al203)의 농도 20%이고 염기도가 45%인 혼합물을 제조한다. 30 to 36 wt% of aluminum hydroxide (Al (OH) 3 ,) containing 50 to 60% of aluminum oxide (Al 2 0 3 ) and 52 to 58 wt% of hydrochloric acid (HCl) containing 32 to 35% of HCl After reacting at 140 ° C. for 8 hours, 1 wt% of sodium carbonate (Na 2 CO 3 ) and 1 wt% of sodium sulfate (Na 2 SO 4 ) were added thereto, and 10 wt% of water was diluted to [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] m + CO 2 ↑ of the aluminum oxide (Al 2 0 3 ) that satisfies 1≤n≤5, m≤10 A mixture having a concentration of 20% and a basicity of 45% is prepared.

상기 혼합물의 85wt%에 산화나트륨(Na2O)의 농도가 25~35%인 수산화나트륨(Na0H) 8~11wt% 과 물(H2O) 4~6wt%을 5000~10000rpm의 고속 교반으로 반응시키고 60~110℃에서 3시간 이상 숙성시켜 본 발명에 의한 산화알루미늄(Al203)의 농도 17%이고 염기도가 55%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10을 만족시키는 폴리염화알루미늄을 제조한다. 8 to 11 wt% of sodium hydroxide (Na0H) and 4 to 6 wt% of water (H 2 O) at 25 wt% to 35 wt% of sodium oxide (Na 2 O) in a mixture of 5000 wt% to 10000 rpm. After reacting and aging at 60-110 ° C. for 3 hours or more, the concentration of aluminum oxide (Al 2 O 3 ) according to the present invention is 17%, basicity is 55%, and [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] A polyaluminum chloride is prepared which reacts with m + Na + and satisfies 1 ≦ n ≦ 5 and m ≦ 10.

실시예-5Example-5

산화알루미늄(Al203) 50~60%를 함유하는 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%를 함유하는 염산(HCl)52~58wt%을 혼합한 후 140℃에서 8시간 동안 반응시키고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%을 첨가하고 물 10wt%을 희석하여〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지며 1≤n≤5, m≤10을 만족시키는 산화알루미늄(Al203)의 농도 20%이고 염기도가 45%인 혼합물을 제조한다. 30-36wt% of aluminum hydroxide (Al (OH) 3 ,) containing 50-60% of aluminum oxide (Al 2 0 3 ) and 52-58wt% of hydrochloric acid (HCl) containing 32-35% of HCl Reaction was performed at 140 ° C. for 8 hours, 1 wt% of sodium carbonate (Na 2 CO 3 ) and 1 wt% of sodium sulfate (Na 2 SO 4 ) were added, and 10 wt% of water was diluted to obtain [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3] → [Al 2 (OH) n Cl 6 - n SO4 ] has a reaction formula of m + CO 2 ↑ the concentration of aluminum oxide (Al 2 0 3) that satisfies 1≤n≤5, m≤10 A mixture having 20% and 45% basicity is prepared.

상기 혼합물의 85wt%에 산화나트륨(Na2O)의 농도가 25~35%인 수산화나트륨(Na0H) 13~15wt% 과 물(H2O) 0~2wt%을 5000~10000rpm의 고속 교반으로 반응시키고 60~110℃에서 3시간 이상 숙성시켜 본 발명에 의한 산화알루미늄(Al203)의 농도 17%이고 염기도가 65%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10을 만족시키는 폴리염화알루미늄을 제조한다.85 wt% of the mixture reacts 13-15 wt% of sodium hydroxide (Na0H) and 0-2 wt% of water (H 2 O) with a concentration of 25-35% sodium oxide (Na 2 O) at a high speed stirring of 5000-10000 rpm. After aging at 60-110 ° C. for 3 hours or more, the concentration of aluminum oxide (Al 2 O 3 ) according to the present invention was 17%, and the basicity was 65%. [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] A polyaluminum chloride is prepared that reacts with m + Na + and satisfies 1 ≦ n ≦ 5 and m ≦ 10.

실시예-6Example-6

산화알루미늄(Al203) 50~60%를 함유하는 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%를 함유하는 염산(HCl)52~58wt%을 혼합한 후 140℃에서 8시간 동안 반응시키고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%을 첨가하고 물 10wt%을 희석하여〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지며 1≤n≤5, m≤10을 만족시키는 산화알루미늄(Al203)의 농도 20%이고 염기도가 45%인 혼합물을 제조한다. 30-36 wt% of aluminum hydroxide (Al (OH) 3 ,) containing 50-60% of aluminum oxide (Al 2 0 3 ) and 52-58 wt% of hydrochloric acid (HCl) containing 32-35% of HCl Reaction was performed at 140 ° C. for 8 hours, 1 wt% of sodium carbonate (Na 2 CO 3 ) and 1 wt% of sodium sulfate (Na 2 SO 4 ) were added, and 10 wt% of water was diluted to obtain [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3] → [Al 2 (OH) n Cl 6 - n SO4 ] has a reaction formula of m + CO 2 ↑ the concentration of aluminum oxide (Al 2 0 3) that satisfies 1≤n≤5, m≤10 A mixture having 20% and 45% basicity is prepared.

상기 혼합물의 85wt%에 산화나트륨(Na2O)의 농도가 25~35%인 수산화나트륨(Na0H) 14~15wt% 과 물(H2O) 0~1wt%을 5000~10000rpm의 고속 교반으로 반응시키고 60~110℃에서 3시간 이상 숙성시켜 본 발명에 의한 산화알루미늄(Al203)의 농도 17%이고 염기도가 70%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10을 만족시키는 폴리염화알루미늄을 제조한다.Reaction of 14-15 wt% of sodium hydroxide (Na0H) and 0-1 wt% of water (H 2 O) with 25 to 35% sodium oxide (Na 2 O) to 85 wt% of the mixture by a high speed stirring of 5000 to 10000 rpm After aging at 60-110 ° C. for 3 hours or more, the concentration of aluminum oxide (Al 2 O 3 ) according to the present invention was 17%, and the basicity was 70%. [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] A polyaluminum chloride is prepared that reacts with m + Na + and satisfies 1 ≦ n ≦ 5 and m ≦ 10.

본 발명은 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식으로 구성되는 폴리염화알루미늄에 NaOH를 첨가하여 염기도를 높이므로서 기존의 제품보다 15~20%의 투입 감소율을 얻을 수 있고, 고속 교반에 의해 혼합하기 때문에 안정적인 염기도를 형성할 수 있어 pH 농도를 안정적으로 유지할 수 있으며, 높은 온도에서 숙성시키게 되므로 숙성 후에도 침전물이 발생하지 않아 보관 관리에 용이한 효과가 있고, 보조제를 투입할 필요가 없어 경비의 절감효과가 있으며, 침전물의 감소로 환경에도 유익한 효과가 있다.The present invention relates to a polyaluminum chloride comprising a reaction formula of [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] m + CO 2 ↑. By increasing the basicity by adding NaOH, the reduction rate of input is 15 ~ 20% than that of the existing product, and it is possible to form stable basicity because it is mixed by high speed agitation, so that the pH concentration can be stably maintained and high temperature Since it is aged in aging, there is no sediment even after aging, so it is easy to manage and manage, and there is no need to add supplements to reduce the cost, and there is a beneficial effect on the environment by reducing the sediment.

Claims (8)

(정정)50~60%의 산화알루미늄(Al203)을 함유하는 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%가 함유되는 염산(HCl)52~58wt%이 혼합된 후 140℃에서 8시간 동안 반응되고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%이 첨가되고 물 10wt%이 희석되어 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 로 형성된 혼합물 56wt%에 산화나트륨(Na2O)의 농도가 20~35%인 수산화나트륨(Na0H)5~9wt% 과 물(H2O)35~39wt%이 혼합되어 5000~10000rpm의 고속 교반으로 반응되며 60~110℃에서 3시간 이상 숙성되고 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 구성되어 1≤n≤5, m≤10의 조건으로 구성되는 것을 특징으로 하는 고염기도 폴리염화알루미늄 제조방법.(Correction) 52-58 wt% hydrochloric acid (HCl) containing 30-36 wt% aluminum hydroxide (Al (OH) 3 ,) containing 50-60% aluminum oxide (Al 2 O 3 ) and 32-35% HCl % Was mixed and reacted at 140 ° C. for 8 hours, 1 wt% of sodium carbonate (Na 2 CO 3 ) and 1 wt% of sodium sulfate (Na 2 SO 4 ) were added, and 10 wt% of water was diluted to give [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] The concentration of sodium oxide (Na 2 O) is 20-35% in 56 wt% of the mixture formed by m + CO 2 ↑. Sodium hydroxide (Na0H) 5 ~ 9wt% and water (H 2 O) 35 ~ 39wt% is mixed and reacted by a high-speed stirring of 5000 ~ 10000rpm, aged at 60 ~ 110 ℃ 3 hours or more [Al 2 (OH) n Cl 6 - n SO4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] m + Na + and is composed of a condition of 1≤n≤5, m≤10 Method for producing aluminum chloride. (정정)제1항에 있어서, 폴리염화알루미늄은 50~60%의 산화알루미늄(Al203)이 함유되는 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%가 함유되는 염산(HCl)52~58wt%가 혼합된 후 140℃에서 8시간 동안 반응되고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%이 첨가되고 물 10wt%이 희석되어 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지고 산화알루미늄(Al203)의 농도 18%이고 염기도가 45%인 혼합물 55wt%에 산화나트륨(Na2O)의 농도가 20~35%인 수산화나트륨(Na0H)6~10wt% 과 물(H2O)35~39wt%이 5000~10000rpm의 고속 교반으로 반응되고 60~110℃에서 3시간 이상 숙성되어 산화알루미늄(Al203)의 농도 10%이고 염기도가 55%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10의 조건으로 구성되는 것을 특징으로 하는 고염기도 폴리염화알루미늄 제조방법.(Correction) The polyaluminum chloride according to claim 1, wherein 30 to 36 wt% of aluminum hydroxide (Al (OH) 3 ,) containing 50 to 60% of aluminum oxide (Al 2 0 3 ) and 32 to 35% of HCl Hydrochloric acid (HCl) containing 52 ~ 58wt% is mixed and reacted for 8 hours at 140 ℃, sodium carbonate (Na 2 CO 3 ) 1wt% and sodium sulfate (Na 2 SO 4 ) 1wt% and 10wt% water is diluted [Al 2 (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] m + CO 2 ↑ has a reaction scheme of aluminum oxide (Al 2 0 3 ) concentration of 18% and a basicity of 45% is a mixture of sodium (Na0H hydroxide, the concentration of sodium (Na 2 O) oxidation to 55wt% 20 ~ 35%) 6 ~ 10wt% of water (H 2 O) 35 ~ 39wt % of The reaction was performed at a high speed of 5000-10000 rpm and aged at 60 to 110 ° C. for at least 3 hours to give a concentration of 10% of aluminum oxide (Al 2 0 3 ), a basicity of 55%, and [Al 2 (OH) n Cl 6 - n SO 4. M + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 ] m + Na + and reacts with 1≤n≤5, m≤10 A method of producing a high polybasic polyaluminum chloride, characterized in that. (정정)제1항에 있어서, 폴리염화알루미늄은 50~60%의 산화알루미늄(Al203)이 함유되고 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%가 함유되는 염산(HCl)52~58wt%가 혼합된 후 140℃에서 8시간 동안 반응되고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%이 첨가되고 물 10wt%가 희석되어 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지고 산화알루미늄(Al203)의 농도 18%이고 염기도가 45%인 혼합물 56wt%에 산화나트륨(Na2O)의 농도가 20~35%인 수산화나트륨(Na0H)10~18wt% 과 물(H2O)26~34wt%이 5000~10000rpm의 고속 교반으로 반응되고 60~110℃에서 3시간 이상 숙성되어 산화알루미늄(Al203)의 농도 10%이고 염기도가 65%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10의 조건으로 구성되는 것을 특징으로 하는 고염기도 폴리염화알루미늄 제조방법.(Correction) The polyaluminum chloride according to claim 1, which contains 50 to 60% of aluminum oxide (Al 2 O 3 ) , 30 to 36 wt% of aluminum hydroxide (Al (OH) 3 ,) and 32 to 35% of HCl. Hydrochloric acid (HCl) containing 52 ~ 58wt% is mixed and reacted for 8 hours at 140 ℃, sodium carbonate (Na 2 CO 3 ) 1wt% and sodium sulfate (Na 2 SO 4 ) 1wt% and 10wt% water is diluted [Al 2 (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] m + CO 2 ↑ has a reaction scheme of aluminum oxide (Al 2 0 3 10 wt% to 18 wt% of sodium hydroxide (Na 2 H) and 20 wt% to 20 wt% of sodium hydroxide (Na 2 O) and 26 wt% to 34 wt% of water (H 2 O) The reaction was carried out at a high speed stirring of 5000 to 10000rpm and aged at 60 to 110 ° C. for at least 3 hours to give a concentration of 10% of aluminum oxide (Al 2 0 3 ), a basicity of 65%, and [Al 2 (OH) n Cl 6 - n SO 4 with n SO 4 + Na +] m, and the reaction conditions of 1≤n≤5, m≤10 -] m + NaOH → [Al 2 (OH) n Cl 6 High salt airway method polychlorinated aluminum, characterized in that the sex. (정정)제1항에 있어서, 폴리염화알루미늄은 50~60%의 산화알루미늄(Al203)이 함유되고 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%가 함유되는 염산(HCl)52~58wt%이 혼합된 후 140℃에서 8시간 동안 반응되고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%이 첨가되고 물 10wt%가 희석되어 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지고 산화알루미늄(Al203)의 농도 18%이고 염기도가 45%인 혼합물 56wt%에 산화나트륨(Na2O)의 농도가 20~35%인 수산화나트륨(Na0H)16~26wt% 과 물(H2O) 18~28wt%가 5000~10000rpm의 고속 교반으로 반응되고 60~110℃에서 3시간 이상 숙성시켜 산화알루미늄(Al203)의 농도 10%이고 염기도가 75%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10의 조건으로 구성되는 것을 특징으로 하는 고염기도 폴리염화알루미늄 제조방법.(Correction) The polyaluminum chloride according to claim 1, which contains 50-60% of aluminum oxide (Al 2 O 3 ) , 30-36 wt% of aluminum hydroxide (Al (OH) 3 ,) and 32-35% of HCl. After 52 ~ 58wt% of hydrochloric acid (HCl) is mixed, it is reacted at 140 ℃ for 8 hours, 1wt% of sodium carbonate (Na 2 CO 3 ) and 1wt% of sodium sulfate (Na 2 SO 4 ) are added, and 10wt% of water is diluted. [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO4 ] m + CO 2 aluminum oxide has a ↑ reaction formula of (Al 2 0 3) 56 wt% of the mixture having a concentration of 18% and a basicity of 45% has a sodium hydroxide (Na 2 O) of 16-26 wt% and a water (H 2 O) of 18-28 wt% having a concentration of 20-35 %. It is reacted with a high speed stirring of 5000-10000rpm and aged at 60-110 ° C for 3 hours or more, the concentration of aluminum oxide (Al 2 0 3 ) is 10%, the basicity is 75%, [Al 2 (OH) n Cl 6 - n SO 4] with m + Na + to the reaction and the conditions of 1≤n≤5, m≤10 - m + NaOH → [n SO 4 Al 2 (OH) n Cl 6 ] High salt airway method polychlorinated aluminum, characterized in that the sex. (정정)제1항에 있어서, 폴리염화알루미늄은 50~60%의 산화알루미늄(Al203)이 함유되며 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%가 함유되는 염산(HCl)52~58wt%가 혼합된 후 140℃에서 8시간 동안 반응되고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%이 첨가되고 물 10wt%가 희석되어 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지고 산화알루미늄(Al203)의 농도 20%이고 염기도가 45%인 혼합물 85wt%에 산화나트륨(Na2O)의 농도가 25~35%인 수산화나트륨(Na0H) 9~11wt% 과 물(H2O)4~6wt%이 5000~10000rpm의 고속 교반으로 반응되고 60~110℃에서 3시간 이상 숙성되어 산화알루미늄(Al203)의 농도 17%이고 염기도가 55%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10의 조건으로 구성되는 것을 특징으로 하는 고염기도 폴리염화알루미늄 제조방법.(Correction) The poly aluminum chloride according to claim 1, which contains 50 to 60% of aluminum oxide (Al 2 O 3 ) , 30 to 36 wt% of aluminum hydroxide (Al (OH) 3 ,) and 32 to 35% of HCl. Hydrochloric acid (HCl) containing 52 ~ 58wt% is mixed and reacted for 8 hours at 140 ℃, sodium carbonate (Na 2 CO 3 ) 1wt% and sodium sulfate (Na 2 SO 4 ) 1wt% and 10wt% water is diluted [Al 2 (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO 4] m + CO 2 ↑ has a reaction scheme of aluminum oxide (Al 2 0 3 ) concentration of 20% and a basicity of 45% of the mixture the concentration of sodium (Na 2 O) oxidation to 85wt% 25 ~ 35% of sodium hydroxide (Na0H) 9 ~ 11wt% and water (H 2 O) 4 ~ 6wt % of The reaction was conducted at a high speed of 5000-10000 rpm and aged at 60 to 110 ° C. for 3 hours or longer to obtain a concentration of 17% of aluminum oxide (Al 2 0 3 ), a basicity of 55%, and [Al 2 (OH) n Cl 6 - n SO 4 ] m + NaOH → [Al 2 (OH) n Cl 6 - reaction with n SO 4 + Na +] m to obtain the condition of 1≤n≤5, m≤10 High salt airway method characterized in that the polyaluminum chloride. (정정)제1항에 있어서, 폴리염화알루미늄은 50~60%의 산화알루미늄(Al203)이 함유되며 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%이 함유되고 염산(HCl)52~58wt%이 혼합된 후 140℃에서 8시간 동안 반응되고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%이 첨가되고 물 10wt%이 희석되어 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지고 산화알루미늄(Al203)의 농도 20%이고 염기도가 45%인 혼합물 85wt%에 산화나트륨(Na2O)의 농도가 25~35%인 수산화나트륨(Na0H)13~15wt% 과 물(H2O)0~2wt%이 5000~10000rpm의 고속 교반으로 반응되고 60~110℃에서 3시간 이상 숙성시켜 산화알루미늄(Al203)의 농도 17%이고 염기도가 65%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10의 조건으로 구성되는 것을 특징으로 하는 고염기도 폴리염화알루미늄 제조방법.(Correction) The polyaluminum chloride according to claim 1, which contains 50 to 60% of aluminum oxide (Al 2 0 3 ) , 30 to 36 wt% of aluminum hydroxide (Al (OH) 3 ,) and 32 to 35% of HCl. Then, 52 ~ 58wt% of hydrochloric acid (HCl) is mixed and reacted for 8 hours at 140 ° C, 1wt% of sodium carbonate (Na 2 CO 3 ) and 1wt% of sodium sulfate (Na 2 SO 4 ) are added, and 10wt% of water is diluted. [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO4 ] m + CO 2 aluminum oxide has a ↑ reaction formula of (Al 2 0 3) concentration of 20% and a basicity of 45% of the mixture 85wt% the concentration of sodium (Na 2 O) oxidation 25 to 35% of sodium (Na0H) hydroxide in 13 ~ 15wt%, and water (H 2 O) 0 ~ 2wt % of the Reaction was performed at a high speed of 5000-10000 rpm and aged at 60-110 ° C. for 3 hours or longer to obtain a concentration of aluminum oxide (Al 2 O 3 ) of 17%, basicity of 65%, and [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 + Na +] reaction with m and obtain the condition of 1≤n≤5, m≤10 High salt airway method characterized in that the polyaluminum chloride. (정정)제1항에 있어서, 폴리염화알루미늄은 50~60%의 산화알루미늄(Al203)이 함유되며 수산화알루미늄(Al(OH)3,) 30~36wt%와 HCl 32~35%이 함유되는 염산(HCl)52~58wt%이 혼합된 후 140℃에서 8시간 동안 반응되고 탄산나트륨(Na2C03)1wt% 과 황산나트륨(Na2SO4)1wt%이 첨가되고 물 10wt%이 희석되어 〔2Al(OH)3 + HCl + Na2SO4 + Na2CO3〕→ 〔Al2(OH)nCl6-nSO4〕m + CO2 ↑ 의 반응식을 가지고 산화알루미늄(Al203)의 농도 20%이고 염기도가 45%인 혼합물 85wt%에 산화나트륨(Na2O)의 농도가 25~35%인 수산화나트륨(Na0H)14~15wt% 과 물(H2O)0~1wt%이 5000~10000rpm의 고속 교반으로 반응되고 60~110℃에서 3시간 이상 숙성시켜 산화알루미늄(Al203)의 농도 17%이고 염기도가 70%이며 〔Al2(OH)nCl6-nSO4〕m + NaOH → 〔Al2(OH)nCl6-nSO4〕m + Na+ 으로 반응하고 1≤n≤5, m≤10의 조건으로 구성되는 것을 특징으로 하는 고염기도 폴리염화알루미늄 제조방법.(Correction) The polyaluminum chloride according to claim 1, which contains 50 to 60% of aluminum oxide (Al 2 0 3 ) , 30 to 36 wt% of aluminum hydroxide (Al (OH) 3 ,) and 32 to 35% of HCl. 52 to 58 wt% of hydrochloric acid (HCl) is mixed and reacted at 140 ° C. for 8 hours, 1 wt% of sodium carbonate (Na 2 CO 3 ) and 1 wt% of sodium sulfate (Na 2 SO 4 ) are added, and 10 wt% of water is diluted. [2Al (OH) 3 + HCl + Na 2 SO 4 + Na 2 CO 3 ] → [Al 2 (OH) n Cl 6 - n SO4 ] m + CO 2 aluminum oxide has a ↑ reaction formula of (Al 2 0 3) 85 wt% of a mixture having a concentration of 20% and a basicity of 45%, 14-15 wt% of sodium hydroxide (Na0H) and 0-1 wt% of water (H 2 O) having a concentration of 25-35% sodium oxide (Na 2 O) Reaction was performed at a high speed of 5000 to 10000 rpm and aged at 60 to 110 ° C. for 3 hours or longer to obtain a concentration of 17% of aluminum oxide (Al 2 0 3 ) and a basicity of 70%. [Al 2 (OH) n Cl 6 - n SO 4] m + NaOH → [Al 2 (OH) n Cl 6 - n SO 4 + Na +] reaction with m and obtain the condition of 1≤n≤5, m≤10 High salt airway method characterized in that the polyaluminum chloride. (삭제)(delete)
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Cited By (6)

* Cited by examiner, † Cited by third party
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KR101113178B1 (en) 2011-10-05 2012-03-13 삼구화학공업 주식회사 Basic polyaluminum chloride and its manufacturing method for preparing a basic polyaluminum chloride prepared by
KR101296324B1 (en) 2013-02-19 2013-08-13 주식회사 효광이앤씨 Natural polymer flocculant and preparation thereof
KR101389453B1 (en) 2013-10-30 2014-04-25 미주엔비켐 주식회사 Preparation method of basicity increasing agent for poly aluminum chloride based coagulant and basicity increasing agent prepared by the same
KR20150115291A (en) 2014-04-02 2015-10-14 (주)코솔텍 Preparation process of high basic polyaluminium chloride coagulants
KR20200142294A (en) * 2019-06-12 2020-12-22 한국건설기술연구원 Method for preparing high basicity aluminum chlorohydrate

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CN103043696B (en) * 2013-01-23 2015-01-21 焦作市爱尔福克化工有限公司 Production and preparation method for solid poly-aluminum chloride
KR101725429B1 (en) * 2015-11-17 2017-04-11 이영화학주식회사 Manufacturing Method of Inorganic Polymer Coagulant and Inorganic Polymer Coagulant thereby
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890000372B1 (en) * 1986-05-10 1989-03-15 이영화성공업 주식회사 Preparation for poly aluminium chloride
KR20030008410A (en) * 2001-07-18 2003-01-29 동명화학공업 주식회사 The method of reusing aluminium hydroxide precipitated from poly aluminium chloride
KR20050011293A (en) * 2003-07-22 2005-01-29 삼구화학공업 주식회사 Manufacturing method of waste water cohesive agents and manufactured goods thereof
KR20060029130A (en) * 2005-10-24 2006-04-04 고도화학(주) Process for preparing polyalumium hydroxy chloro sulfate as a flocculant for treating water

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890000372B1 (en) * 1986-05-10 1989-03-15 이영화성공업 주식회사 Preparation for poly aluminium chloride
KR20030008410A (en) * 2001-07-18 2003-01-29 동명화학공업 주식회사 The method of reusing aluminium hydroxide precipitated from poly aluminium chloride
KR20050011293A (en) * 2003-07-22 2005-01-29 삼구화학공업 주식회사 Manufacturing method of waste water cohesive agents and manufactured goods thereof
KR20060029130A (en) * 2005-10-24 2006-04-04 고도화학(주) Process for preparing polyalumium hydroxy chloro sulfate as a flocculant for treating water

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101113178B1 (en) 2011-10-05 2012-03-13 삼구화학공업 주식회사 Basic polyaluminum chloride and its manufacturing method for preparing a basic polyaluminum chloride prepared by
KR101101760B1 (en) 2011-11-15 2012-01-18 태영케미컬 주식회사 Wastewater treatment powder for removing t-p and prepareing method thereof
KR101296324B1 (en) 2013-02-19 2013-08-13 주식회사 효광이앤씨 Natural polymer flocculant and preparation thereof
KR101389453B1 (en) 2013-10-30 2014-04-25 미주엔비켐 주식회사 Preparation method of basicity increasing agent for poly aluminum chloride based coagulant and basicity increasing agent prepared by the same
KR20150115291A (en) 2014-04-02 2015-10-14 (주)코솔텍 Preparation process of high basic polyaluminium chloride coagulants
KR20200142294A (en) * 2019-06-12 2020-12-22 한국건설기술연구원 Method for preparing high basicity aluminum chlorohydrate
KR102212913B1 (en) 2019-06-12 2021-02-05 한국건설기술연구원 Method for preparing high basicity aluminum chlorohydrate

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