KR20010002965A - Wastewater treatment method - Google Patents
Wastewater treatment method Download PDFInfo
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- KR20010002965A KR20010002965A KR1019990023050A KR19990023050A KR20010002965A KR 20010002965 A KR20010002965 A KR 20010002965A KR 1019990023050 A KR1019990023050 A KR 1019990023050A KR 19990023050 A KR19990023050 A KR 19990023050A KR 20010002965 A KR20010002965 A KR 20010002965A
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- wastewater
- adsorption
- elvan
- phosphate
- soluble dyes
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- 238000004065 wastewater treatment Methods 0.000 title abstract description 4
- 239000002351 wastewater Substances 0.000 claims abstract description 25
- 239000000975 dye Substances 0.000 claims abstract description 17
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 12
- 239000010452 phosphate Substances 0.000 claims abstract description 12
- 239000004575 stone Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000001354 calcination Methods 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 28
- 235000021317 phosphate Nutrition 0.000 abstract description 14
- 238000004042 decolorization Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract description 4
- 239000003463 adsorbent Substances 0.000 abstract description 2
- 238000013019 agitation Methods 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 7
- 238000002835 absorbance Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 241000209219 Hordeum Species 0.000 description 2
- 235000007340 Hordeum vulgare Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus 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
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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- Chemical & Material Sciences (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)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
본 발명은 폐수에 함유된 수용성염료 및 인염을 맥반석에 매우 양호히 흡착제거시킬 수 있도록 한 맥반석을 이용한 수용성염료 및 인염폐수처리방법에 관한 것이다.The present invention relates to a method for treating water-soluble dyes and phosphate wastewater using elvan, which is capable of adsorbing and removing water-soluble dyes and phosphates contained in wastewater very well.
현재 인염폐수처리에 대한 많은 방법이 연구발표되고 있지만 아직 만족할만한 효과를 얻지 못하고 있는 실정에 놓여 있다.At present, a number of methods for treatment of phosphate wastewater have been published, but are not yet satisfactory.
우리나라는 성분이 우수한 맥반석 자원이 풍부하고 또한 맥반석은 인체에 대한 건강보호작용을 할 수 있을 뿐만 아니라, 매우 강한 흡착효율을 가지고 있는 것으로 알려져 있다.Korea is rich in ganban stone resources with excellent ingredients, and ganban stone is not only able to protect health for the human body, but also has a very strong adsorption efficiency.
따라서 맥반석의 이와 같은 강한 흡착능을 이용하여 인염폐수를 맥반석을 흡착제로 이용하여 수용성염료 및 폐수를 양호히 정화시키기 위한 교반시간,맥반석의 입도,투여량 및 용액의 pH치등 요인이 흡착에 미치는 영향을 연구하여 맥반석의 염료에 대한 흡착효율은 랭뮤어(Langmuir)방정식에 비교적 잘 부합되고, 염료용액 및 실제 폐수에 대하여 90%이상의 탈색율과 COD제거율을 발휘시킬 수 있도록하여 낙동강오염의 원흉이라 할 수 있는 염색폐수처리효율을 향상시킬 수 있도록 한 것이다.Therefore, the effects of factors such as agitation time, particle size, dosing, and pH of solution on the adsorption of phosphate wastewater using ganban stone as adsorbents are used to study soluble dyes and wastewater. Adsorption efficiency of ganguerite dyes is relatively well in accordance with Langmuir's equation, and it can be said to be the main cause of Nakdong River pollution by showing more than 90% of decolorization rate and COD removal rate for dye solution and actual wastewater. It is to improve the efficiency of dye wastewater treatment.
Description
본 발명은 폐수에 함유된 수용성염료 및 인염을 맥반석에 매우 양호히 흡착제거시킬 수 있도록 한 맥반석을 이용한 수용성염료 및 인염폐수처리방법에 관한 것이다.The present invention relates to a method for treating water-soluble dyes and phosphate wastewater using elvan, which is capable of adsorbing and removing water-soluble dyes and phosphates contained in wastewater very well.
현재 인염폐수처리에 대한 많은 방법이 연구발표되고 있지만 아직 만족할만한 효과를 얻지 못하고 있는 실정에 놓여 있다.At present, a number of methods for treatment of phosphate wastewater have been published, but are not yet satisfactory.
우리나라는 성분이 우수한 맥반석 자원이 풍부하고 또한 맥반석은 인체에 대한 건강보호작용을 할 수 있을 뿐만 아니라, 매우 강한 흡착효율을 가지고 있는 것으로 알려져 있다.Korea is rich in ganban stone resources with excellent ingredients, and ganban stone is not only able to protect health for the human body, but also has a very strong adsorption efficiency.
따라서 맥반석의 이와 같은 강한 흡착능을 이용하여 인염폐수를 맥반석을 흡착제로 이용하여 수용성염료 및 폐수를 양호히 정화시키기 위한 교반시간,맥반석의 입도,투여량 및 용액의 pH치등 요인이 흡착에 미치는 영향을 연구하여 맥반석의 염료에 대한 흡착효율은 랭뮤어(Langmuir)방정식에 비교적 잘 부합되고, 염료용액 및 실제 폐수에 대하여 90%이상의 탈색율과 COD제거율을 발휘시킬 수 있도록하여 낙동강오염의 원흉이라 할 수 있는 염색폐수처리효율을 향상시킬 수 있도록 한 것이다.Therefore, the effects of factors such as agitation time, particle size, dosing, and pH of solution on the adsorption of phosphate wastewater using ganban stone as adsorbents are used to study soluble dyes and wastewater. Adsorption efficiency of ganguerite dyes is relatively well in accordance with Langmuir's equation, and it can be said to be the main cause of Nakdong River pollution by showing more than 90% of decolorization rate and COD removal rate for dye solution and actual wastewater. It is to improve the efficiency of dye wastewater treatment.
맥반석입자 120#를 2.5%-3% 함유하여 폐수처리할 수 있도록 한 것으로서,It contains 2.5% -3% of elvan particles 120 # to treat wastewater.
실험방법은 100100mg/ℓ의 "비-커"에 인염용액을 담아 일정한 입도의 맥반석을 투여하여 자력교반기로 교반하는데 일정한 시간이 지난 후 교반을 정지하고," 비-커"중의 액체를 분리 시험관에 넣어 분리하고 비커상단부분의 물을 채취하여 pH치, 흡수광도치 및 COD치를 측정하였던 바, 인염용액은 pH=2-11의 조건에서 최대 흡수피크의 위치가 이동하지않고 모두 502nm이며, 용액의 pH가 변화할 때 흡수광도치는 조금 변하였다.Experimental method is to put a phosphate solution in 100100mg / ℓ of "beaker" and administer the angular rock of a certain particle size and stir with a magnetic stirrer. After a certain time, the stirring is stopped, and the liquid in the "beaker" is separated into a test tube. After the separation, the water at the top of the beaker was collected, and the pH, absorbance, and COD values were measured. The phosphate solution was 502 nm in the maximum absorption peak at pH = 2-11 without any shift. The absorbance intensity slightly changed when the pH was changed.
또한 pH=6.8일때 표준곡선이고 몇가지 pH조건에서 곡선의 의합관계를 열거하였다. 표준곡선과의 차이는 아주 작으며, 측정시 pH=6.8일때의 표준곡선을 통용 표준곡선으로 하였는데, 그 의합공식은 아래와 같다.It is also a standard curve at pH = 6.8 and lists the relationship of curves under several pH conditions. The difference from the standard curve is very small, and the standard curve when pH = 6.8 was measured as the general standard curve.
몇가지 pH조건하에서 표준곡선의 의합공식Combined formula of standard curve under several pH conditions
흡착율, 흡착량과 탈색율의 계산식은Calculation formula of adsorption rate, adsorption amount and decolorization rate
맥반석의 인염에 대한 흡착율은 교반시간에 따라 변하였는데 흡착율이 교반 시간에 따라 변하는 곡선, 용액의 최초 pH는 3.6, 농도 25.0mg/ℓ, 온도15°C, 맥반석 투여량3.0%(고액비:고체와 액체비)다. 앞에서 설명한 바와 같이 교반이 진행됨에 따라 흡착율은 점차 상승하였고, 용액의 pH는 점차 완충되어 중성이 되었다.Adsorption rate for phosphate salt was changed with stirring time, curve of adsorption rate with stirring time, initial pH of solution was 3.6, concentration 25.0mg / l, temperature 15 ° C, dose of elvan rock 3.0% (solid solution ratio: solid) And liquid ratio). As described above, as the stirring proceeded, the adsorption rate gradually increased, and the pH of the solution gradually buffered to become neutral.
맥반석의 투여량이 흡착에 미치는 영향은 흡착율과 용액의 pH치, 맥반석의 투여량 변화는 맥반석의 투여량이 증가함에 따라 흡착율은 점차 상승하였으며, 용액의 pH도 점차 상승하여 중성에 이른 것을 알 수 있었다. 투여량이 8%르러 초과하면 pH의 변화는 평온해진다.Adsorption rate of elvan was influenced by adsorption rate, pH value of solution, and elvan dose. As advancing of elvan, the adsorption rate gradually increased and the pH of solution gradually increased to neutral. If the dose exceeds 8%, the change in pH is calmed.
또한 용액의 최초 pH치가 낮으면 낮을수록 흡착율은 상승하였다. 이는 인염이 수용액중에서 음이온(-)형식으로 존재한다는 것을 의미한다. 입도80-120#와 >120#의 맥반석투여량이 3%일때 pH치의 완충범위는 3.5-9.0가 되었는데, 이와 같이 맥반석의 입도가 작을수록 흡착효과가 좋고 pH에 대한 완충능력도 더욱 강하였다.In addition, the lower the initial pH value of the solution, the higher the adsorption rate. This means that the phosphorus salt is present in an anionic form in aqueous solution. The pH range was 3.5-9.0 when the granules were administered at particle sizes 80-120 # and> 120 #. The smaller the particle size, the better the adsorption effect and the stronger the buffering capacity against pH.
또한 맥반석의 투여량이 3%일때 입도가 >120#인 맥반석의 흡착율은 67%에 달하였고, 입도가 80-120#와 60-80#인 맥반석은 흡착율이 44%와 37%밖에 안되었다.At 3% dose of elvan, the adsorption rate of elvan was 67% and that of granular stones of 80-120 # and 60-80 # was only 44% and 37%.
맥반석을 중복 사용할 수 있는 가능성을 시험하기 위하여 염료를 흡착했던 >120#의 맥반석을 500。시간동안 소성하고, 사용하지 않은 맥반석(신선한 맥반석)과 재생맥반석의 흡착능력을 비교하였던 바, 사용하지 아니한 맥반석과 재생맥반석이 염료에 대한 흡착은 랭뮤어(Langmuir)흡착방정식에 잘 부하되었고,Bar who fired the quartz porphyry of> 120 # which adsorb a dye in order to test the possibility of using overlapping elvan for 500 hours, compared to no elvan (fresh quartz porphyry) adsorption capacity of the reproducing elvan are used, other than those used Adsorption of dyes by elvan and regenerative elvan was well loaded in the Langmuir adsorption equation,
또한 재생맥반석은 사용하지 아니한 맥반석보다 흡착능력이 더욱 강하였다. 이 흡착방정식은 아래와 같으며, 사용하지 아니한 맥반석과 재생맥반석의 흡착능력의 대비는 아래 표1과 같았다.Also, regenerated ganguerite had stronger adsorption capacity than banganite. The adsorption equation is as follows, and the comparison of adsorption capacity of unused barley and reclaimed barley is shown in Table 1 below.
표1 사용하지 아니한 맥반석과 재생맥반석의 흡착 흡착능력의 대비Table 1 Comparison of Adsorption Capacity of Unused Elvan and Regenerated Elvan
주 : гm-포화흡착량(㎍.g), k-흡착상수, C-흡착균형시의 염료농도 맥반석의 실제 폐수처리에 대한 능력을 연구하기 위하여 염직공장에서 폐수를 채취하여 조절조에서 시험을 시행하였는데, 폐수의 COD치가 맥반석의 투입량에 따른 변화는 아래의 표2와 같았다.(폐수의 최초의 pH치는 3.0으로 조절하고 교반시간은 10분)Note: In order to study the ability of sigma-saturated adsorption (μg.g), k-adsorption constant, and dye concentration in C-adsorption equilibrium, the actual wastewater treatment of ganban stone was carried out and the wastewater was tested in a control tank. The COD value of the wastewater was changed according to the amount of Elvan rock input as shown in Table 2 below (the initial pH value of the wastewater was adjusted to 3.0 and the stirring time was 10 minutes).
COD가 맥반석 투여량에 따른 변화는 맥반석을 투여하므로써 COD를 신속ㅎ 저하시킬 수 있었으며, 투여량을 0.25%로 하였을때 COD제거율은 30% 달하였지만 COD제거율이 50%에 달하면 COD의 변화는 완만해졌다.Changes in COD with gantherite were able to rapidly reduce COD by administering ganthene, and COD removal rate reached 30% when the dose was 0.25%, but the COD change was modest when the COD removal rate reached 50%. .
맥반석은 실제 폐수에 대해 매우 좋은 탈색효과가 있었는데, 흡착을 거친 다음 실제 폐수의 가시광구역의 흡수에 대해 580nm의 흡수광도치를 선택하여 탈색율을 계산했는데, 맥반석의 투여량이 0.1%,0.2%일때 탈색율은 각각 70%와 90%가 되었고, 투여량이 2.5%일때 처리액은 맑고 투명하였다.Elvan has a very good decolorizing effect on the actual wastewater. After adsorption, the decolorization rate was calculated by selecting the absorbance value of 580 nm for the absorption of the visible light zone of the actual wastewater. The rates were 70% and 90%, respectively, and the treatment solution was clear and transparent at the dose of 2.5%.
이 시험에서 맥반석의 입도를 작게하고 교반시간을 연장하여 투여량을 증가하면서 용애그이 pH치를 감소시키면 맥반석의 인염에 대한 흡착이 매우 좋다는 것과 500°C에서 소생한 재생맥반석은 사용하지 아니한 맥반석보다 흡착능력이 강하다는 것을 확인할 수 있었다.In this test, if the size of the elvan is reduced and the stirring time is increased to increase the dosage, and the pH of the solvent is reduced, the adsorbed phosphate of the elvan is very good and the regenerated elvan is resuscitated at 500 ° C. It was confirmed that the ability is strong.
맥반석의 실제 인염폐수에 대한 COD의 제거율은 비교적 이상적인 탈색성능을 가지고 있었고, 맥반석은 인염폐수의 탈색과 COD제거율이 매우 우수하여 환경오염방지는 물론 산업적으로 대단히 유용하다는 것을 알 수 있다.The removal rate of COD in the actual phosphate wastewater had relatively ideal decolorization performance, and it was found that banvanite has excellent decolorization and COD removal rate of phosphate wastewater, which is very useful for preventing environmental pollution and industrially.
이와 같은 본 발명은 폐수의 정화효율을 최상으로 발휘시킬 수 있도록 한 맥반석에 의하여 폐수처리하게 됨으로 폐수에 함유된 수용성염료 및 인염의 제거효율을 향상시킬 수 있는 효과가 있다.Such the present invention has the effect of improving the removal efficiency of the water-soluble dyes and phosphates contained in the wastewater by treating the wastewater by the ganbanite to enable the best purification efficiency of the wastewater.
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| KR (1) | KR20010002965A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR880000138A (en) * | 1986-02-01 | 1988-03-23 | 이창열 | Method for manufacturing deodorant and adsorbent based on quartz rock |
| KR920010802A (en) * | 1990-11-16 | 1992-06-27 | 아라이 가즈오 | Sample adsorption holding device |
| JPH105750A (en) * | 1996-06-27 | 1998-01-13 | N B L:Kk | Method of removing dye in dyeing waste liquor and dye removing agent |
| KR100195629B1 (en) * | 1996-10-15 | 1999-06-15 | 박윤창 | Method for treating waste water using quartzite |
-
1999
- 1999-06-14 KR KR1019990023050A patent/KR20010002965A/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR880000138A (en) * | 1986-02-01 | 1988-03-23 | 이창열 | Method for manufacturing deodorant and adsorbent based on quartz rock |
| KR920010802A (en) * | 1990-11-16 | 1992-06-27 | 아라이 가즈오 | Sample adsorption holding device |
| JPH105750A (en) * | 1996-06-27 | 1998-01-13 | N B L:Kk | Method of removing dye in dyeing waste liquor and dye removing agent |
| KR100195629B1 (en) * | 1996-10-15 | 1999-06-15 | 박윤창 | Method for treating waste water using quartzite |
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