KR101297978B1 - Preparation method of porous hydrophilic media containing gelatin which is extracted from waste of leather processing for wastewater biological treatment - Google Patents
Preparation method of porous hydrophilic media containing gelatin which is extracted from waste of leather processing for wastewater biological treatment Download PDFInfo
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- KR101297978B1 KR101297978B1 KR1020130060180A KR20130060180A KR101297978B1 KR 101297978 B1 KR101297978 B1 KR 101297978B1 KR 1020130060180 A KR1020130060180 A KR 1020130060180A KR 20130060180 A KR20130060180 A KR 20130060180A KR 101297978 B1 KR101297978 B1 KR 101297978B1
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/108—Immobilising gels, polymers or the like
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/107—Inorganic materials, e.g. sand, silicates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
Description
본 발명은 하/폐수 생물학적 처리를 위한 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체 제조방법에 관한 것으로서, 고분자화합물인 폴리비닐알콜에 폐기물인 폐피혁분산물의 성분 중 40％ 이상을 차지하고 있는 콜라겐에서 추출된 젤라틴을 혼합하여 친수성을 갖으면서 미생물의 부착도 및 활성도를 높이도록 한 하/폐수 생물학적 처리를 위한 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체 제조방법에 관한 것이다.
The present invention relates to a method for producing a hydrophilic porous carrier containing gelatin extracted from waste leather by-products for sewage / wastewater biological treatment, wherein the collagen occupies 40% or more of the components of waste leather dispersions, which are wastes in polyvinyl alcohol as a polymer compound. The present invention relates to a method for preparing a hydrophilic porous carrier containing gelatin extracted from waste leather by-products for sewage / wastewater biological treatment to increase the adhesion and activity of microorganisms while mixing the gelatin extracted from the same.
산업의 발달과 함께 부수적인 과제로 부상하고 있는 환경문제는 어느 개인의 문제가 아닌 국가적, 세계적 차원으로 등장하고 있다. 환경산업계에서는 각종 산업시설이나 환경 위생시설 등에서 발생되는 악취 및 유해 휘발성 물질을 분해성 물질에 촛점을 두어 처리시설을 개발하고 화학물질을 개발해 왔으나, 처리경비 및 처리의 한계가 있었다.Environmental issues, which have emerged as a side task with the development of industry, are emerging at the national and global levels, not individual problems. The environmental industry has developed treatment facilities and chemicals by focusing on degradable substances of odor and harmful volatile substances generated in various industrial facilities and environmental sanitation facilities, but there are limitations in treatment costs and treatment.
또한 악취 및 유해 휘발성 물질을 물리, 화학적 처리 방법에 비하여 2차 오염의 가능성이 작을 뿐만 아니라 보다 경제적이고 효율적인 처리 대안으로 미생물을 이용한 생물학적 처리방법이 활발히 진행되고 있다. 바이오필터와 같은 생물학적 처리방법이 이와 같은 것으로써 악취 및 유해 휘발성 물질의 처리방법이 호기성 상태에서 악취 및 유해 휘발성 물질 내에 존재하는 악취 및 유해 휘발성 물질을 미생물 대사과정을 이용하여 안전하게 분해 및 처리하는 방법으로서, 경제적이고 환경 친화적인 처리방법으로서 각광받고 있는 실정이다.In addition, the biological treatment method using microorganisms is actively progressed as an alternative to the physical and chemical treatment of odors and harmful volatiles, as well as less likely to secondary pollution. Such as biological treatment methods such as biofilters, the method of treating odors and harmful volatiles in the aerobic state to safely decompose and treat odors and harmful volatiles present in the odor and harmful volatiles using microbial metabolism process As an economical and environmentally friendly treatment method, it is in the spotlight.
한편, 현재 우리나라의 피혁업체에서는 피혁제품의 제조 공정 중에 발생되는 가공부산물(폐피혁부산물)을 대부분 산업쓰레기로 폐기 처분하고 있기 때문에 피혁업체의 폐기물 처리비용의 부담이 크며 또한 폐기물에 의한 환경오염 문제도 갈수록 심각해지고 있는 실정이다.On the other hand, Korean leather companies currently dispose of processed by-products (waste leather by-products) generated during the manufacturing process of leather products as industrial waste, which burdens the waste disposal costs of leather companies and causes environmental pollution by waste. It is becoming more and more serious.
세계적으로 환경오염 문제에 대한 관심이 커져가면서 우리나라에서도 환경오염 업체에 대한 여러가지의 규제 조치가 가해지고 있다. 따라서 대부분 영세 업체인 우리나라 피혁업체들의 폐액 및 가공부산물 처리에 대한 부담이 가중되고 있다.As interest in environmental pollution grows globally, various regulatory measures are being applied to environmental pollution companies in Korea. As a result, the burden on the treatment of waste liquid and processed by-products of Korean leather companies, which are mostly small companies, is increasing.
따라서 피혁 폐기물에 대한 재활용은 피혁 업계에 미치는 경제적인 이익 뿐만 아니라 갈수록 심각해지고 있는 환경오염을 줄여 사회적인 이익까지도 함께 가져올 수 있기 때문에 피혁 폐기물에 대한 재활용은 반드시 이루어져야 하는 사회저인 문제점을 안고 있다.
Therefore, the recycling of leather waste has a social problem that must be achieved because recycling of leather waste can bring not only economic benefits to the leather industry but also social benefits by reducing environmental pollution.
본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위하여 발명된 것으로서, 고분자화합물인 폴리비닐알콜에 폐기물인 폐피혁분산물의 성분 중 40％ 이상을 차지하고 있는 콜라겐에서 추출된 젤라틴을 혼합하여 친수성을 갖으면서 미생물의 부착도 및 활성도를 높이도록 하/폐수 생물학적 처리를 위한 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체 제조방법을 제공하는데 그 목적이 있다.
The present invention was invented to solve the problems of the prior art as described above, by mixing gelatin extracted from collagen, which occupies at least 40% of the components of the waste leather dispersion, which is a high molecular compound, polyvinyl alcohol to have hydrophilicity. The purpose of the present invention is to provide a method for producing a hydrophilic porous carrier containing gelatin extracted from waste leather by-products for sewage / wastewater biological treatment to increase the adhesion and activity of microorganisms.
상기와 같은 목적을 실현하기 위하여, 본 발명은 수용성 고분자인 폴리비닐알콜(PVA)과, 폐피혁부산물에서 추출된 젤라틴과, 가소제인 PEG400을 수용액 상태에서 녹인 후, 기공형성제인 감자전분을 혼합하여 상온으로 냉각시켜 반응물을 제조한 다음, 상기 반응물이 녹아 있는 용액에 계면활성제를 혼합하고, 기공 사이즈를 조절하기 위해 무기발포제인 탄산칼슘을 첨가하며, 폴리비닐알콜(PVA)의 아세탈화반응 물질인 포름알데하이드와 반응촉매로서 황산을 첨가하여 반응시킨 후, 숙성기간을 거쳐 다공성으로 제조됨을 특징으로 하는 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체를 제공한다.
In order to achieve the above object, the present invention is a water-soluble polymer polyvinyl alcohol (PVA), gelatin extracted from the waste leather by-products, and dissolved PEG400 plasticizer in an aqueous solution state, and then mixed with a pore-forming potato starch After cooling to room temperature to prepare a reactant, the surfactant is mixed in the solution in which the reactant is dissolved, and calcium carbonate, an inorganic foaming agent, is added to adjust the pore size, and the acetalization reaction material of polyvinyl alcohol (PVA) is used. The present invention provides a hydrophilic porous carrier containing gelatin extracted from waste leather by-products, which is formed by reacting formaldehyde with sulfuric acid as a reaction catalyst, followed by a aging period.
이와 같은 구성으로 인해 본 발명에 의한 하/폐수 생물학적 처리를 위한 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체 제조방법은 폐기물인 폐피혁부산물을 재활용함으로써 자원의 낭비 및 처리비용을 줄일 수 있게 되고, 친수성 담체를 제조함으로써 미생물의 흡착 및 부착에 유리하며, 젤라틴을 이용함으로써 미생물의 생육에 최적의 환경을 제공할 수 있는 이점이 있다.Due to such a configuration, a method for producing a hydrophilic porous carrier containing gelatin extracted from waste leather by-products for sewage / wastewater biological treatment according to the present invention can reduce waste and treatment costs by recycling waste leather by-products. , It is advantageous to the adsorption and attachment of microorganisms by preparing a hydrophilic carrier, there is an advantage that can provide the optimal environment for the growth of microorganisms by using gelatin.
또한 폐피혁부산물에서 추출, 정제된 젤라틴은 수많은 작용기를 가지고 있기 때문에 미생물의 부착도를 높이고 생물학적 담체로 인하여 미생물의 활성도를 높이는 기능을 부여할 수 있어 담체의 성능을 개선할 수 있는 이점이 있다.
In addition, since gelatin extracted and purified from waste leather by-products has a large number of functional groups, it is possible to increase the adhesion of microorganisms and to increase the activity of microorganisms due to biological carriers, thereby improving the performance of the carrier.
이하 본 발명의 실시를 위한 구체적인 내용을 첨부한 도면을 참조하여 더욱 상세하게 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명에 의한 하/폐수 생물학적 처리를 위한 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체 제조방법은, 수용성 고분자인 폴리비닐알콜(PVA)과, 폐피혁부산물에서 추출된 젤라틴과, 가소제인 PEG400을 수용액 상태에서 녹인 후, 기공형성제인 감자전분을 혼합하여 상온으로 냉각시켜 반응물을 제조한 다음, 상기 반응물이 녹아 있는 용액에 계면활성제를 혼합하고, 기공 사이즈를 조절하기 위해 무기발포제인 탄산칼슘을 첨가하며, 폴리비닐알콜(PVA)의 아세탈화반응 물질인 포름알데하이드와 반응촉매로서 황산을 첨가하여 반응시킨 후, 숙성기간을 거쳐 다공성으로 제조됨을 특징으로 한다.The method for producing a hydrophilic porous carrier containing gelatin extracted from waste leather by-product for sewage / wastewater biological treatment according to the present invention includes water-soluble polymer polyvinyl alcohol (PVA), gelatin extracted from waste leather by-product, and PEG400, which is a plasticizer. After dissolving in an aqueous solution, a mixture of the potato starch as a pore-forming agent is cooled to room temperature to prepare a reactant, and then the surfactant is mixed with the solution in which the reactant is dissolved, and calcium carbonate, an inorganic foaming agent, is used to adjust the pore size. After the addition, the reaction of formaldehyde, which is an acetalization reaction material of polyvinyl alcohol (PVA), with sulfuric acid as a reaction catalyst, is made into a porous through the aging period.
상기 폴리비닐알콜(PVA, Polyvinyl alcohol)은 고분자화합물로 폴리아세트산비닐(아세트산비닐수지)을 가수분해하여 얻어지는 무색가루이다. 그 특징으로는 물에 녹고 일반 유기용매에는 녹지 않는다. 비닐론의 원료로 사용되고, 그 외 도료, 접착제, 에멀션화제 등에도 사용된다.The polyvinyl alcohol (PVA) is a colorless powder obtained by hydrolyzing polyvinyl acetate (vinyl acetate resin) as a high molecular compound. Its characteristic is that it is soluble in water and insoluble in ordinary organic solvents. It is used as a raw material of vinylon, and is also used for paints, adhesives, emulsifiers and the like.
PVA(Polyvinyl alcohol)를 좀 더 상세히 설명하면, 수용성 합성고분자로써 플라스틱 섬유 등 많은 산업분야에 활용도가 높은 고분자 물질이며, 비닐알콜이 반복적으로 배열된 합성고분자이다. 또한 고분자물질 중 대표적인 수용성 물질로써 젤라틴과 같은 수용성 천연고분자와의 반응이 용이한 물질 중 하나이며, 화학적 반응에서 반응성이 높은 수산화기(-OH)가 다량 포함된 구조를 지니고 있어 다른 고분자와 화학적 반응성이 높다. 또한 PVA(Polyvinyl alcohol)의 수산화기(-OH)는 포름알데하이드(Formaldehyde)와 같은 알데하이드기와 아세탈화(acetalization) 반응을 통해 아세탈을 생성하며, 아세탈로 형성된 PVA(Polyvinyl alcohol)는 물에 녹지 않는 안정된 상태로 존재한다.PVA (Polyvinyl alcohol) is described in more detail as a water-soluble synthetic polymer is a high polymer material widely used in many industries, such as plastic fibers, vinyl alcohol is a synthetic polymer that is arranged repeatedly. In addition, it is one of the representative water-soluble materials of the polymer material, which is easy to react with water-soluble natural polymers such as gelatin, and has a structure that contains a large amount of highly reactive hydroxyl group (-OH) in chemical reactions, so it is chemically reactive with other polymers. high. In addition, the hydroxyl group (-OH) of PVA (Polyvinyl alcohol) generates acetal through an acetalization reaction with an aldehyde such as formaldehyde (Formaldehyde), and PVA (Polyvinyl alcohol) formed of acetal is insoluble in water Exists as.
본 발명에 의한 담체는 친수성으로 제조되는데, 이때 친수성 (hydrophilicity)은 물과 강하게 상호작용하여 물과의 강한 친화력을 가지고 물에 용해하는 것을 말하며, 친수성 고분자화합물(단백질 등)이나 계면활성제의 미셀콜로이드 등은 이 성질이 강하다.Carrier according to the present invention is made of hydrophilic, wherein hydrophilicity (hydrophilicity) refers to the strong interaction with water to dissolve in water with a strong affinity with water, micelle colloid of a hydrophilic polymer compound (protein, etc.) or surfactant The back has this property.
이때 계면활성제는 SPAN20, Sodium lauryl sulfate(SDS), Tween80 등이 사용된다.In this case, SPAN20, sodium lauryl sulfate (SDS), Tween80, and the like are used as the surfactant.
젤라틴(gelatin)은 동물의 가죽, 힘줄, 연골 등을 구성하는 98％ 이상의 순도를 가진 천연 단백질인 콜라겐(collagen)을 뜨거운 물로 처리하면 얻어지는 유도 단백질의 일종이다. 콜라겐(collagen)은 지방 성분이 전혀 함유되어 있지 않고 칼슘과 아연미네랄이 킬레이트 된 수용성단백질로 흡수성이 우수하다.Gelatin is a type of derived protein obtained by treating collagen, a natural protein with a purity of 98% or more, which constitutes animal skin, tendons and cartilage with hot water. Collagen is a water-soluble protein that contains no fat components and chelates calcium and zinc minerals.
폐피혁부산물(피혁 폐기물) 중 40％ 이상을 차지하고 있는 콜라겐에서 추출된 젤라틴은 의약품, 생체 고분자, 화장품 원료 등으로 응용되고 있으며, 유기질 비료와 레쟈보드(Leather board) 등으로 재활용하여 원가 절감 및 환경오염 감소 등의 효과를 얻고 있다.Gelatin extracted from collagen, which accounts for more than 40% of waste leather by-products (leather waste), is applied to pharmaceuticals, biopolymers, and cosmetic raw materials, and is recycled with organic fertilizers and leather boards to reduce costs and environment. The effect of reducing pollution is obtained.
상기 폐피혁부산물로부터 가수분해에 의한 단백질 회수 방법은 젤라틴의 공업적인 제조법을 응용하였으며, 회수기술 방법으로는 산처리, 알카리처리, 효소처리에 의한 방법을 이용하였다.The protein recovery method by hydrolysis from the waste leather by-products was applied to the industrial production method of gelatin, and the acid treatment, alkaline treatment, and enzyme treatment were used as the recovery technique.
이러한 산, 알카리, 효소 등을 이용한 단백질 회수 실험결과 알카리 및 효소를 이용한 단백질 회수 방법이 회수율에서 가장 효율적임을 알 수 있었다. 이때 회수된 단백질을 이용하여 여과 침전 등의 정제공정을 거친 가수분해 단백질의 특성은 아래 표와 같다.
As a result of protein recovery using the acid, alkali, enzyme, etc., it was found that the protein recovery method using alkali and enzyme is the most efficient in the recovery rate. At this time, the characteristics of the hydrolyzed protein that went through the purification process such as filtration precipitation using the recovered protein is shown in the table below.
상기와 같이 분석 결과 폐피혁부산물로부터 회수된 단백질의 경우 크롬(Cr)이 약 4.2ppm 함유되어 있어 식용 등의 용도로는 사용이 불가능하지만, 미립담체 등의 산업용으로 사용이 적합할 것으로 판단되었다.
As a result of the analysis as described above, the protein recovered from the waste leather by-product contains about 4.2 ppm of chromium (Cr), so that it cannot be used for food, but it was determined that it is suitable for industrial use such as particulate carriers.
본 발명에 의한 친수성 다공성 담체를 제조하기 위한 실시예로서 상기 폴리비닐알콜(PVA) 12∼17g, 젤라틴 3∼4g, 가소제로서 PEG400 6∼8g, 감자전분 7∼11g을 60∼80℃의 물 180∼210g에 완전히 용해시킨 후 상온으로 냉각시켜 반응물을 제조하고, 그런 다음 상기 반응물이 녹아 있는 용액에 계면활성제를 혼합하고, 무기발포제인 탄산칼슘을 2∼5g, 산촉매로써 50％황산 30∼40g, 아세탈화반응물로써 37％포름알데하이드 20∼35g을 혼합한 후, 55∼70℃에서 10∼15시간 숙성시켜 다공성 담체를 제조하였다.
As an embodiment for preparing a hydrophilic porous carrier according to the present invention, 12 to 17 g of the polyvinyl alcohol (PVA), 3 to 4 g of gelatin, 6 to 8 g of PEG400 and 7 to 11 g of potato starch as a plasticizer are used at water of 60 to 80 ° C. Completely dissolved in ˜210 g, cooled to room temperature to prepare a reactant, and then a surfactant was mixed in a solution in which the reactant was dissolved, 2 to 5 g of calcium carbonate, an inorganic foaming agent, 30 to 40 g of 50% sulfuric acid as an acid catalyst, 20 to 35 g of 37% formaldehyde was mixed as an acetalization reaction product, and then aged at 55 to 70 ° C for 10 to 15 hours to prepare a porous carrier.
PVA 15g과 젤라틴 3.75g, PEG400 7.5g, 감자전분 9g을 75℃ 물 195g에 완전히 용해시킨 후 상온까지 냉각시켜 반응물을 제조한다. 상기 반응물이 녹아있는 용액에 SDS, Tween80과 같은 계면활성제와 무기발포제인 탄산칼슘을 첨가하고, 50% 황산 36g과 37% 포름알데하이드 28g을 주입한 후 상온 60℃에서 12시간 숙성시켜 다공성 담체를 제조하였다.
15 g of PVA, 3.75 g of gelatin, 7.5 g of PEG400, and 9 g of potato starch were completely dissolved in 195 g of 75 ° C. water, and then cooled to room temperature to prepare a reaction product. A surfactant such as SDS and Tween80 and calcium carbonate as an inorganic foaming agent were added to the solution in which the reactant was dissolved, and 36 g of 50% sulfuric acid and 28 g of 37% formaldehyde were injected, followed by aging at 60 ° C. for 12 hours to prepare a porous carrier. It was.
하기에서는 예상되는 폴리비닐알콜(PVA)과 감자전분, 포름알데하이드 간의 결합배치를 예시하였다.
The following illustrates the binding arrangement between the expected polyvinyl alcohol (PVA) and potato starch, formaldehyde.
[그림 1][Figure 1]
하기에서는 폴리비닐알콜(PVA)에 젤라틴을 함유한 담체제조 공정도를 예시하였다.In the following, a process for preparing a carrier containing gelatin in polyvinyl alcohol (PVA) is illustrated.
[그림 2][Figure 2]
[그림 3][Figure 3]
무기발포제를 첨가하지 않고, 계면활성제로써 Sodium lauryl sulfate(SDS) 사용하여 제조된 담체의 단면Cross section of a carrier prepared using sodium lauryl sulfate (SDS) as a surfactant without adding an inorganic foaming agent
[그림 4][Figure 4]
무기발포제를 첨가하지 않고, 계면활성제로써 Tween80 사용하여 제조된 담체의 단면Cross section of a carrier prepared using Tween 80 as a surfactant without adding an inorganic foaming agent
[그림 5][Figure 5]
계면활성제로써 Tween80 사용 후 제조된 담체의 일정한 크기로 제단한 상태사진Photo of a state cut to a constant size of a carrier prepared after using Tween80 as a surfactant
[그림 6][Figure 6]
무기발포제를 첨가 및 계면활성제로써 Sodium lauryl sulfate(SDS) 사용 후 제조된 담체의 단면Cross section of the carrier prepared after adding inorganic foaming agent and using sodium lauryl sulfate (SDS) as surfactant
[그림 7][Figure 7]
무기발포제를 첨가 및 계면활성제로써 Sodium lauryl sulfate(SDS) 사용 후 제조된 담체의 단면Cross section of the carrier prepared after adding inorganic foaming agent and using sodium lauryl sulfate (SDS) as surfactant
[그림 8][Figure 8]
제조된 담체의 확대사진(×100)Magnified picture of the prepared carrier (× 100)
본 발명에 의한 실험에서 사용된 담체는 그림 5와 같이 1㎝ ×1㎝ ×1㎝ 크기의 정사각형 형태로 잘라서 사용 하였다. 그림에서 나타난 담체 표면의 모습으로 알 수 있듯이 표면의 공극이 많고 커서 이들 공극에 미생물이 부착할 공간이 충분함을 알 수 있다 The carrier used in the experiment according to the present invention was cut out into a square shape of 1 cm × 1 cm × 1 cm as shown in Figure 5. As can be seen from the surface of the carrier shown in the figure, the pores on the surface are large and there is enough space for microorganisms to attach to these pores.
Claims (3)
기공형성제인 감자전분을 혼합하여 상온으로 냉각시켜 반응물을 제조한 다음,
상기 반응물이 녹아 있는 용액에 계면활성제를 혼합하고, 기공 사이즈를 조절하기 위해 무기발포제인 탄산칼슘을 첨가하며, 폴리비닐알콜(PVA)의 아세탈화반응 물질인 포름알데하이드와 반응촉매로서 황산을 첨가하여 반응시킨 후,
숙성기간을 거쳐 다공성으로 제조됨을 특징으로 하는 하/폐수 생물학적 처리를 위한 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체 제조방법.After dissolving polyvinyl alcohol (PVA), a water-soluble polymer, gelatin extracted from waste leather by-products, and PEG400, a plasticizer, in an aqueous solution,
Potato starch, which is a pore former, is mixed and cooled to room temperature to prepare a reactant.
The surfactant is mixed with the solution in which the reactant is dissolved, calcium carbonate, an inorganic foaming agent, is added to adjust the pore size, and sulfuric acid is added as a reaction catalyst with formaldehyde, which is an acetalization reaction material of polyvinyl alcohol (PVA). After reacting,
A method for preparing a hydrophilic porous carrier containing gelatin extracted from waste leather by-products for sewage / wastewater biological treatment, characterized in that it is made porous through an aging period.
상기 폴리비닐알콜(PVA) 12∼17g, 젤라틴 3∼4g, PEG400 6∼8g, 감자전분 7∼11g을 60∼80℃의 물 180∼210g에 완전히 용해시킨 후 상온으로 냉각시켜 반응물을 제조함을 특징으로 하는 하/폐수 생물학적 처리를 위한 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체 제조방법.The method of claim 1,
12 to 17 g of the polyvinyl alcohol (PVA), 3 to 4 g of gelatin, 6 to 8 g of PEG400, and 7 to 11 g of potato starch were completely dissolved in 180 to 210 g of water at 60 to 80 ° C., and then cooled to room temperature to prepare a reactant. Method for producing a hydrophilic porous carrier containing gelatin extracted from waste leather by-products for biological treatment of sewage / wastewater.
상기 반응물이 녹아 있는 용액에 산촉매로써 50％황산 30∼40g, 아세탈화반응물로써 37％포름알데하이드 20∼35g을 혼합한 후, 55∼70℃에서 10∼15시간 숙성시켜 다공성 담체를 제조함을 특징으로 하는 하/폐수 생물학적 처리를 위한 폐피혁부산물에서 추출한 젤라틴을 함유한 친수성 다공성 담체 제조방법.The method of claim 2,
The reaction mixture is dissolved in a solution of 50% sulfuric acid 30-40g as an acid catalyst, 20% to 35g 37% formaldehyde as an acetalization reaction, and then aged at 55 to 70 ℃ for 10 to 15 hours to prepare a porous carrier Method for producing a hydrophilic porous carrier containing gelatin extracted from waste leather by-products for biological treatment of sewage / wastewater.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906035A (en) * | 2016-06-22 | 2016-08-31 | 北京工业大学 | Micropore biofilm carrier filler based on mesh structure |
| CN110655179A (en) * | 2019-09-20 | 2020-01-07 | 西南科技大学 | Hydrophilic and bioaffinity suspended filler and preparation method and application thereof |
| KR102334693B1 (en) | 2021-01-29 | 2021-12-07 | 한석진 | The Mixing Apparatus with the Function of Biofilm Growth, The Spiral Heating Medium Circulation Tube and The Reactors and Water Treatment Facilities including the Same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003170183A (en) * | 2001-12-05 | 2003-06-17 | Takeda Chem Ind Ltd | Carrier for water treatment, method for manufacturing the same and apparatus for water treatment |
| KR20070008402A (en) * | 2005-07-13 | 2007-01-17 | 가부시키가이샤 히타치플랜트테크놀로지 | Entrapping immobilization pellets and process for producing the same |
| US20110039296A1 (en) * | 2008-02-21 | 2011-02-17 | Technion Research & Development Foundation Ltd. | Method of attaching a cell-of-interest to a microtube |
| KR20120055603A (en) * | 2009-11-20 | 2012-05-31 | 아사히 가세이 케미칼즈 가부시키가이샤 | Porous molded article, and process for production thereof |
-
2013
- 2013-05-28 KR KR1020130060180A patent/KR101297978B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003170183A (en) * | 2001-12-05 | 2003-06-17 | Takeda Chem Ind Ltd | Carrier for water treatment, method for manufacturing the same and apparatus for water treatment |
| KR20070008402A (en) * | 2005-07-13 | 2007-01-17 | 가부시키가이샤 히타치플랜트테크놀로지 | Entrapping immobilization pellets and process for producing the same |
| US20110039296A1 (en) * | 2008-02-21 | 2011-02-17 | Technion Research & Development Foundation Ltd. | Method of attaching a cell-of-interest to a microtube |
| KR20120055603A (en) * | 2009-11-20 | 2012-05-31 | 아사히 가세이 케미칼즈 가부시키가이샤 | Porous molded article, and process for production thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906035A (en) * | 2016-06-22 | 2016-08-31 | 北京工业大学 | Micropore biofilm carrier filler based on mesh structure |
| CN110655179A (en) * | 2019-09-20 | 2020-01-07 | 西南科技大学 | Hydrophilic and bioaffinity suspended filler and preparation method and application thereof |
| KR102334693B1 (en) | 2021-01-29 | 2021-12-07 | 한석진 | The Mixing Apparatus with the Function of Biofilm Growth, The Spiral Heating Medium Circulation Tube and The Reactors and Water Treatment Facilities including the Same |
| KR20220110039A (en) | 2021-01-29 | 2022-08-05 | 한석진 | The Mixing Apparatus with the Function of Biofilm Growth, The Spiral Heating Medium Circulation Tube and The Reactors and Water Treatment Facilities including the Same |
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