KR102682604B1 - 계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치 및 생성방법 - Google Patents
계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치 및 생성방법 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2373—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
- B01F23/4105—Methods of emulsifying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
- B01F23/411—Emulsifying using electrical or magnetic fields, heat or vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
- B01F23/411—Emulsifying using electrical or magnetic fields, heat or vibrations
- B01F23/4111—Emulsifying using electrical or magnetic fields, heat or vibrations using vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
- B01F23/413—Homogenising a raw emulsion or making monodisperse or fine emulsions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
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Abstract
Description
도 1은 본 발명의 실시예에 따른 계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치의 블록도,
도 2는 본 발명의 실험예에 따른 (a) 탈이온수(DI water) 및 (b) 8.1 mM SDS의 계면활성제 용액의 NTA 이미지, (c) 표면 장력 및 (d) 초음파 처리 전에 SDS 농도가 다른 DI water 및 계면 활성제 용액의 용존 가스 농도 그래프,
도 3은 본 발명의 실험예에 따른초음파 처리 후 (a) DI water 및 (b) 1mM, (c) 4mM 및 (d) 8.1mM SDS가 있는 계면활성제 용액의 NTA 이미지,
도 4는 본 발명의 실험예에 따른 초음파 처리 전 (a) 입자 분석 및 (b) 제타 전위, 초음파 처리후의 (c) NB 분석 및 (d) 제타 전위의 결과 그래프,
도 5는 본 발명의 실험예에 따른 초음파 인가시 계면활성제 희석 유무, 함량에 따라 용액 내의 버블 거동을 활영한 사진으로 (a) DI water 및 (b) 1 mM, (c) 4 mM 및 (d) 8.1 mM SDS가 포함된 계면활성제 용액에서 초음파 처리 중 bubble structure,
도 6은 본 발명의 실험예에 따른 모든 테스트 액체에서 초음파 처리 후 크기 분포 그래프를 도시한 것이다.
도 7은 본 발명의 실시예에 따른 계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치를 적용한 경우의 초미세버블의 생성 매커니즘의 모식도를 나타낸 것이다.
2:계면활성제 혼합장치
3:초음파 인가장치
10:계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치
Claims (12)
- 초미세버블 생성장치로서,
용액공급부에 의해 용액을 공급받아 이온성 계면활성제를 혼합시키는 계면활성제 혼합장치; 및
상기 계면활성제 혼합장치에서 혼합된 계면활성제 혼합용액을 공급받아 초음파를 인가하여 초미세버블을 생성시키는 초음파 인가장치;를 포함하고,
상기 이온성 계면활성제는 중성이온, 양이온, 양극성 이온성 계면활성제이며,
초음파 인가에 의한 초미세버블 생성 후, 상기 이온성 계면활성제에 의해 초미세버블 간의 융합, 성장이 억제되며,
상기 초미세버블 생성과정에서 상기 이온성 계면활성제의 친수성 머리는 액체측으로 소수성 꼬리는 기체측으로 정렬되어, 초미세버블 간에 척력이 발생되어 상기 초미세버블간의 융합, 성장이 억제되고,
상기 이온성 계면활성제에 의해 초음파 인가시 음압부에서 발생하는 nucleation site를 증가시켜 고농도의 초미세버블을 생성시키며,
상기 계면활성제 혼합장치에 의해 혼합되는 이온성 계면활성제 농도는 4mM 이상인 것을 특징으로 하는 계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치.
- 삭제
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- 제 1항에 있어서,
상기 계면활성제 혼합장치는 진동교반기, 자력 교반기 또는 진탕기로 구성되는 것을 특징으로 하는 계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치.
- 제 1항에 있어서,
상기 초음파 인가장치는 침지식 초음파 인가장치 또는 배스타입 초음파 인가장치인 것을 특징으로 하는 계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치.
- 삭제
- 제 1항에 따른 계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성장치를 이용한 초미세버블 생성방법로서,
계면활성제 혼합장치가 용액공급부에 의해 용액을 공급받아 이온성 계면활성제를 설정된 농도 범위로 혼합시키는 단계; 및
계면활성제 혼합용액이 초음파 인가장치로 공급되고, 초음파를 인가하여 초미세버블을 생성시키는 단계;를 포함하는고,
상기 초미세버블을 생성시키는 단계는,
초음파 음압에 의해 핵이 생성(nucleation)되고, 음압과 양압의 반복에 의해 핵이 수축과 팽창을 반복하여 초미세버블로 성장되며, 상기 이온성 계면활성제에 의해 초미세버블 간의 융합, 성장이 억제되며, 상기 이온성 계면활성제의 친수성 머리는 액체측으로 소수성 꼬리는 기체측으로 정렬되어, 초미세버블 간에 척력이 발생되어 상기 초미세버블간의 융합, 성장이 억제되고, 상기 이온성 계면활성제에 의해 용액의 표면장력을 낮춰 초음파 인가시 음압부에서 발생하는 nucleation site를 증가시켜 고농도의 초미세버블을 생성시키는 것을 특징으로 하는 계면활성제 혼합장치와 초음파를 이용한 고농도 초미세버블 생성방법.
- 삭제
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