KR20020021698A - Dehumidifying composition and method for producing the same - Google Patents
Dehumidifying composition and method for producing the same Download PDFInfo
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- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
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Abstract
Description
본 발명은 제습조성물 및 그 제조방법에 관한 것이다. 더욱 구체적으로는 폐석회, 폐조개류, 산화칼슘, 수산화칼슘 및 수산화나트륨으로부터 선택되는 2종 이상을 조합하여 제습조성물을 제조함으로써 종래의 염화칼슘을 이용한 제습제를 대체하고 환경오염을 방지하며, 폐기시에는 토양 및 화분 등에 뿌려 칼슘을 공급하는 비료대용으로 사용할 수 있어 환경보존에 기여할 수 있는 것이다.The present invention relates to a dehumidifying composition and a method of manufacturing the same. More specifically, a dehumidification composition is prepared by combining two or more kinds selected from waste lime, waste clam, calcium oxide, calcium hydroxide and sodium hydroxide to replace the conventional dehumidifying agent using calcium chloride and to prevent environmental pollution. And can be used as a fertilizer substitute for supplying calcium sprayed to pots, etc. will contribute to environmental conservation.
제습제는 습기에 대한 강한 친화력을 가지기 때문에 주위공기에서 직접 수증기를 흡수할 수 있는 물질을 말하며 흡습제, 건조제, 방습제 등의 용어로도 불리운다. 일반적으로 제습제는 약품통이나 구운김 등에 사용되는 실리카겔류 제품과 장마철 가정내 옷장의 습기를 제거하기 위해 사용되는 염화칼슘 등이 있다.Dehumidifier refers to a substance that can absorb water vapor directly from the surrounding air because it has a strong affinity for moisture, and is also called as a desiccant, desiccant, desiccant and the like. Generally, dehumidifying agents include silica gel products used in medicine containers or baked laver, and calcium chloride used to remove moisture in a closet in a rainy season at home.
특히 이중에서 염화칼슘은 겨울철 눈길이나 빙판길을 녹이기 위해 뿌리는 용도로도 사용되는데 이 화합물은 물과 반응을 쉽게하여 공기중의 수분과 결합하여 녹아드는 특징이 있다. 이러한 특징을 조해성이라 하는데 종래의 제습제는 대부분이러한 염화칼슘을 이용한 제습제가 주류를 이루고 있다. 그러나 이들 염화물의 강한 조해성으로 인하여 고습도에서는 과량흡습으로 제습제 표면이 흠뻑 젖는 현상이 초래되어 결국에는 오히려 제품의 습기피해가 가중되거나 취급상의 어려운 문제가 있다.In particular, calcium chloride is also used for spraying to dissolve snow roads and ice roads in winter. This compound is easy to react with water and combines with water in the air to dissolve. This feature is called deliquescent, and the conventional dehumidifiers are mostly made of dehumidifiers using calcium chloride. However, due to the strong deliquescent of these chlorides, the surface of the dehumidifier is soaked by excessive moisture absorption at high humidity, and eventually, the moisture damage of the product is rather increased or difficult to handle.
또한 습기를 빨아들여 더 이상의 흡수능력을 상실한 후 폐기할 때에 일반 가정에서는 염소이온을 포함한 수용액 상태의 폐기물을 그대로 하수에 방류하여 염소이온이 가지는 산성도 및 부식성으로 인해 심각한 환경문제를 야기시키고 있는 실정이다.In addition, when absorbing moisture and disposing of it after further losing its absorption capacity, general households are discharging wastes in aqueous state including chlorine ions into sewage, causing serious environmental problems due to acidity and corrosiveness of chlorine ions. .
이에 본 발명자는 폐석회, 폐조개류 등의 폐기물과 가격이 저렴한 산화칼슘, 수산화칼슘, 수산화나트륨을 이용하여 염소이온이 전혀 포함되지 않고 제습능력 또한 향상된 제습조성물을 제조함으로써 수질오염 등과 같은 환경문제를 방지하고 폐기시에는 식물이 자라는 토양에 뿌려 칼슘 등의 영양분을 공급할 수 있는 제습조성물을 개발하고자 연구하게 되었다.Accordingly, the present inventors prevent environmental problems such as water pollution by producing dehumidifying compositions containing no chlorine ions at all and using low-cost calcium oxide, calcium hydroxide, and sodium hydroxide, and improved dehumidification ability. At the time of disposal, it was studied to develop a dehumidifying composition that can supply nutrients such as calcium by spraying on the soil where plants grow.
본 발명은 상기한 문제점을 감안하여 안출된 것으로, 저렴하고 쉽게 구할 수 있으면서 염소이온을 전혀 포함하지 않는 폐석회, 폐조개류, 산화칼슘, 수산화칼슘 및 수산화나트륨으로부터 선택되는 2종 이상을 조합하여 초산과 반응시켜 제습조성물을 제조함으로써 원가절감과 자원재활용 및 환경보존에 이바지할 수 있는 제습조성물을 제공하는 것을 목적으로 한다.The present invention has been made in view of the above-described problems, and in combination with two or more selected from waste lime, shellfish, calcium oxide, calcium hydroxide and sodium hydroxide, which are inexpensive and readily available and do not contain any chlorine ions. The purpose of the present invention is to provide a dehumidifying composition which can contribute to cost reduction, resource recycling, and environmental conservation by producing a dehumidifying composition by reacting.
또한 본 발명은 제조공정시 얻는 제습제 원액을 모래 또는 저가의 무기산화물에 코팅시켜 비표면적을 증가시킴으로써 흡수능력을 향상시킨 제습조성물의 제조방법을 제공하는 것을 목적으로 한다.In addition, an object of the present invention is to provide a method for producing a dehumidifying composition improved in the absorption capacity by increasing the specific surface area by coating the dehumidifying agent stock solution obtained in the manufacturing process to sand or inexpensive inorganic oxide.
상기와 같은 목적을 달성하기 위하여, 본 발명에서는 알칼리금속을 함유하는 폐석회, 폐조개류, 수산화칼슘 및 수산화나트륨으로부터 선택되는 2종이상으로 이루어진 물질과 초산을 반응시켜 얻은 초산염에 알긴산 소다(Sodium Alginate)를 가한 제습제 원액 100 중량부를 모래 또는 저가의 무기산화물 50∼150 중량부에 코팅하여 이루어진 제습조성물임을 그 특징으로 한다.In order to achieve the above object, in the present invention, sodium alginate (sodium alginate) to acetate obtained by reacting acetic acid with a substance composed of two or more selected from waste lime, waste shellfish, calcium hydroxide and sodium hydroxide containing alkali metals. It is characterized in that the dehumidifying composition formed by coating 100 parts by weight of the dehumidifying agent undiluted solution to 50 to 150 parts by weight of sand or inexpensive inorganic oxide.
상기 다른 목적을 달성하기 위한 본 발명의 제조방법은 (a) 알칼리금속을 함유하는 폐석회, 폐조개류, 산화칼슘, 수산화칼슘 및 수산화나트륨으로부터 선택되는 2종이상으로 이루어진 물질에 물을 가하고 가열하는 공정과; (b) (a)의 가열된 물질에 당량의 초산(CH3COOH)을 가하고 반응시켜 초산염을 얻는 공정과; (c) (b)에서 얻은 초산염 100 중량부에 알긴산 소다(Sodium Alginate) 0.01∼2 중량부를 가하고 균일하게 교반하여 제습제 원액을 얻는 공정과; (d) (c)에서 얻은 제습제 원액 100 중량부에 모래 또는 저가의 무기산화물 50∼150 중량부를 가하고 교반하여 제습제 원액이 균일하게 코팅된 고상의 제습조성물을 얻는 공정으로 이루어지는 것임을 그 특징으로 한다.The manufacturing method of the present invention for achieving the above another object is a process of (a) adding water to the material consisting of two or more selected from waste lime, waste shells, calcium oxide, calcium hydroxide and sodium hydroxide containing alkali metal and heating and; (b) adding acetic acid (CH 3 COOH) to the heated material of (a) and reacting to obtain acetate; (c) adding 0.01 to 2 parts by weight of sodium alginate to 100 parts by weight of the acetate obtained in (b) and stirring the mixture uniformly to obtain a dehumidifying solution; (d) 50 to 150 parts by weight of sand or an inexpensive inorganic oxide is added to 100 parts by weight of the dehumidifier stock solution obtained in (c), followed by stirring to obtain a solid dehumidifying composition coated uniformly with the dehumidifier stock solution.
상기 공정 (a)의 폐석회 및 폐조개류는 수십 ㎛로 분쇄하여 사용하는 것을 특징으로 한다.The waste lime and waste clam of the step (a) is characterized in that it is used by grinding to several tens of ㎛.
또한, 바람직하게는 상기 공정(c)의 제습제 원액에는 초산염 100 중량부에 대해 전분 0.1∼0.2 중량부, 규산소다 1∼5 중량부 및 안료 0.01∼0.5 중량부가 포함된다.Preferably, the dehumidifier stock solution of the step (c) contains 0.1 to 0.2 parts by weight of starch, 1 to 5 parts by weight of sodium silicate and 0.01 to 0.5 parts by weight of pigment based on 100 parts by weight of acetate.
이하, 본 발명에 따른 제습조성물의 제조방법을 공정별로 상세히 설명한다.Hereinafter, the manufacturing method of the dehumidifying composition according to the present invention will be described in detail for each process.
공정 ⅠProcess Ⅰ
폐석회 및 폐조개류는 분쇄한 분쇄물 상태로, 산화칼슘, 수산화칼슘 및 수산화나트륨은 분말상태에서 물을 가하고 가열한다.Waste lime and shellfish are in the form of pulverized ground, and calcium oxide, calcium hydroxide and sodium hydroxide are heated with water in the form of powder.
폐석회 및 페조개류는 폐기물로 버려지는 일반적인 폐석회와 해안가에 버려지는 대합 등과 같은 폐조개껍질, 폐굴껍질 등을 수집하여 사용한다.Waste lime and pelicans collect and use shellfish shells, oyster shells, etc., such as general waste lime discarded as waste and clam thrown off the shore.
특히 상기의 물질들은 염화물에 비해 습기를 제거하는 능력이 떨어지는데 초산염을 형성하고 모래 또는 무기산화물에 코팅되어 비표면적이 향상되는 과정을 통하여 습기제거능력이 염화물보다 향상되는 것이다.In particular, the above materials are less capable of removing moisture than chloride, and the moisture removal ability is improved than chloride through the process of forming acetate and coating on sand or inorganic oxide to improve specific surface area.
공정 ⅡProcess II
공정 Ⅰ에서 얻은 가열된 분쇄물 또는 분말의 혼합물에 당량의 초산(CH3COOH)을 가해 반응시킨다.An equivalent of acetic acid (CH 3 COOH) is added to the heated milled powder or mixture of powders obtained in Process I and reacted.
상기 분쇄 또는 분말의 혼합물에는 칼슘, 나트륨, 마그네슘, 칼륨 등과 같은 알칼리 금속이 많이 들어있고 특히 칼슘이 풍부하게 포함되어 있으므로, 이들의 분쇄물 또는 분말을 물에 용해시켜 초산과 반응시키면 소정의 알칼리 초산염을 형성하게 된다. 이렇게 형성된 초산염은 물을 흡수하는 능력이 산화칼슘, 수산화칼슘 및 수산화나트륨 자체에 비해 상당히 커지게 된다.Since the pulverized or powdered mixture contains a large amount of alkali metals such as calcium, sodium, magnesium, potassium, and the like and is particularly rich in calcium, when these pulverized powders or powders are dissolved in water and reacted with acetic acid, a predetermined alkali acetate Will form. The acetate thus formed has a significantly greater ability to absorb water compared to calcium oxide, calcium hydroxide and sodium hydroxide itself.
공정 ⅢProcess III
공정 Ⅱ에서 얻은 초산염 100 중량부에 알긴산 소다(Sodium Alginate) 0.01∼2 중량부를 가하고 균일하게 교반하여 본 발명에 따른 제습제 원액을 얻는다.0.01 to 2 parts by weight of sodium alginate is added to 100 parts by weight of the acetate obtained in Step II, and stirred uniformly to obtain a dehumidifying solution according to the present invention.
알긴산 소다는 초산염을 포함한 다른 구성성분과 상호 유기적으로 작용하여 제습효과를 상승시키게 된다. 알긴산 소다는 다당류염으로서 물에 서서히 녹아 고점성의 액체를 형성하게 되므로 모래 또는 무기산화물에 제습제 원액을 접착하는 역활을 하며 코팅을 하게 한다.Sodium alginate interacts organically with other ingredients, including acetate, to increase the dehumidification effect. Sodium alginate is a polysaccharide salt that slowly dissolves in water to form a highly viscous liquid, which serves to bond the dehumidifier stock solution to sand or inorganic oxides.
또한, 바람직하게는 공정 Ⅱ에서 얻은 초산염 100 중량부에 대해 전분 0.1∼0.2 중량부, 규산소다 1∼5 중량부 및 안료 0.01∼0.5 중량부를 가한다. 전분은 응집제의 역할을 하게 되므로 다른 성분들과 상호 작용하여 서로 잘 뭉치게 하여 제습효과를 증강시키게 되며, 규산소다는 코팅시 겔화시켜 경화시키는 작용을 하게 된다. 또한 안료를 가해 색상을 부여하여 원래의 색상을 잃었을 때 교체시기를 판별할 수 있도록 할 수 있다. 안료로는 활성탄이나 기타 인체 및 환경에 무해한 기존의 안료가 사용될 수 있다.Further, preferably, 0.1 to 0.2 parts by weight of starch, 1 to 5 parts by weight of sodium silicate, and 0.01 to 0.5 parts by weight of pigment are added to 100 parts by weight of the acetate obtained in step II. Starch acts as a coagulant, so it interacts with other ingredients to aggregate together to enhance dehumidification effect. Sodium silicate acts as a gel to harden the coating. In addition, it is possible to add a pigment to give a color to determine when to replace when the original color is lost. As the pigment, activated carbon or other conventional pigments that are harmless to humans and the environment may be used.
공정 ⅣProcess IV
공정 Ⅲ에서 얻은 제습제 원액 100 중량부에 모래 또는 저가의 무기산화물 50∼150 중량부를 가하고 균일하게 교반하여, 모래 또는 무기산화물에 제습제 원액이 코팅된 고상의 제습조성물을 얻는다. 이렇게 모래 등에 본 발명에 따른 제습제를 코팅시키면 제습제의 비표면적이 증대되어 제습효과가 우수한 제습제를 얻을 수 있게 된다.50-150 parts by weight of sand or inexpensive inorganic oxide is added to 100 parts by weight of the dehumidifying agent stock solution obtained in Step III and stirred uniformly to obtain a solid dehumidifying composition coated with the dehumidifying agent solution on sand or inorganic oxide. When the dehumidifying agent according to the present invention is coated on sand or the like, the specific surface area of the dehumidifying agent is increased to obtain a dehumidifying agent having excellent dehumidifying effect.
본 발명에서는 상기에서 제조한 고상의 제습조성물을 포장하기 위하여 사용되는 포장지로는 방진복의 재료로 사용하는 폴리프로필렌 재질의 부직포를 사용하는데, 이 부직포면에는 폴리에틸렌을 얇은 막상으로 도포하여 종이를 접착시킨 3층 구조로 되어 있다. 따라서 본 발명의 제습조성물의 포장지는 강도가 높아서 접착부위의 파손이 없고 내진성이 우수할 뿐만 아니라 부직포의 차수성이 우수하여 한번 흡수된 수분이 액상으로 누출될 가능성을 막아줄 수 있다.In the present invention, as a wrapping paper used for packaging the solid dehumidifying composition prepared above, a nonwoven fabric made of polypropylene used as a material for dustproof clothing is used. It has a three-layer structure. Therefore, the wrapping paper of the dehumidifying composition of the present invention is high in strength, so that there is no breakage of the adhesive site and the shock resistance is excellent, as well as the degree of orderability of the nonwoven fabric can prevent the possibility of leakage of the absorbed moisture into the liquid phase.
이하 본 발명을 다음 실시예를 통하여 더욱 구체적으로 설명하겠는 바, 다음 실시예가 본 발명의 범위를 한정하는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to the following examples, which are not intended to limit the scope of the present invention.
실시예 1Example 1
제조예Production Example
① 폐석회 및 해안가에서 폐조개류, 폐굴껍질 등을 수거한 후 조 크러셔(Jawcrusher)에 의해 1차 분쇄하고, 다시 볼밀(ball mill)에 의한 2차 분쇄과정을 통하여 수십㎛로 분쇄한 분쇄물을 얻는다.① After collecting waste shellfish and waste oyster shells from waste lime and seashore, they are first crushed by jaw crusher and crushed into tens of micrometers by second milling process by ball mill. Get
② 분말상의 산화칼슘과 수산화나트륨, 또는 수산화칼슘과 수산화나트륨을 혼합하여 혼합물을 얻는다.(2) Mix powdered calcium oxide and sodium hydroxide, or mix calcium hydroxide and sodium hydroxide to obtain a mixture.
③ 상기 ①의 분쇄물 또는 ②의 분말상의 혼합물을 반응기에 옮겨 약 2배량의 물을 가해 가열한 다음 초산을 당량만큼 넣어준 후 녹을 때까지 교반하여 반응시켰다.③ The above pulverized product of ① or powdered mixture of ② was transferred to the reactor, heated by adding about 2 times the amount of water, and then acetic acid was added in an equivalent amount, followed by stirring until melting.
④ 반응이 끝난 후 실온으로 냉각한 다음 ③의 반응물 100 중량부에 대해 알긴산 소다 0.1 중량부를 첨가하여 완전히 용해될 때까지 교반하여 균일한 상태의 제습제 원액을 얻었다.④ After completion of the reaction, the mixture was cooled to room temperature, and then 0.1 part by weight of sodium alginate was added to 100 parts by weight of the reaction product of ③, followed by stirring until complete dissolution to obtain a dehumidifying solution in a uniform state.
⑤ ④의 제습제 원액 100 중량부가 들어있는 교반기에 모래 120 중량부를 가하고 균일하게 한 상태가 될 때까지 교반하여 모래표면에 제습제 원액이 고르게 코팅되도록 하였다. 균일하게 코팅된 제습제 원액을 140℃ 이하의 훈풍 건조기에서 완전 건조시켜 본 발명에 따른 고상의 제습조성물을 얻었다.⑤ ④ 120 parts by weight of sand was added to the stirrer containing 100 parts by weight of the dehumidifier stock solution and stirred until uniform, so that the dehumidifier stock solution was evenly coated on the sand surface. The uniformly coated dehumidifier stock solution was completely dried in a hot air dryer at 140 ° C. or lower to obtain a solid dehumidifying composition according to the present invention.
실시예 2Example 2
제습효과 시험Dehumidification effect test
종래에 가장 많이 사용되는 제습제인 염화칼슘과 실리카겔을 비교예로 하여 실시예 1에서 제조한 본 발명에 따른 제습조성물과의 제습효과를 비교하였다.The dehumidification effect of the dehumidifying composition according to the present invention prepared in Example 1 was compared using calcium chloride and silica gel, which are the most commonly used dehumidifying agents, as comparative examples.
1) 비교예 11) Comparative Example 1
시중에서 제습제로 판매되는 염화칼슘 제품을 사용하였다.A commercially available calcium chloride product was used as a dehumidifier.
2) 비교예 22) Comparative Example 2
시중에서 제습제로 판매되는 실리카겔 제품을 사용하였다.A commercially available silica gel product was used as a dehumidifier.
2. 제습효과 비교2. Dehumidification effect comparison
본 발명에서 제조한 제습조성물과 염화칼슘 및 실리카겔을 황산농도로 습도를 조절한 데시케이터내에 넣어 정치한 상태로 48시간동안 흡습시험하였다.The dehumidifying composition prepared in the present invention, calcium chloride and silica gel were placed in a desiccator controlled to humidity with sulfuric acid concentration and subjected to a hygroscopic test for 48 hours while still standing.
흡습시험의 결과는 다음 표 1에 나타낸 바와 같다.The results of the hygroscopic test are shown in Table 1 below.
상기 표 1의 결과를 통하여 알 수 있듯이 본 발명의 제습조성물은 가정의 옷장 등에 습기를 제거하기 위하여 같은 용도로 사용되는 염화칼슘과 비교하더라도 동등하거나 보다 향상된 제습효과를 가지는 것을 알 수 있다.As can be seen from the results of Table 1, the dehumidifying composition of the present invention can be seen to have an equivalent or improved dehumidifying effect even when compared to calcium chloride used for the same use to remove moisture in the closet of the home.
본 발명에 따른 제습조성물은 염화이온이 포함되지 않은 가격이 저렴한 제습제 원료를 사용하여 모래 또는 무기산화물에 코팅된 고상의 제습조성물을 제조함으로써 제조원가의 절감 및 습기의 제거능력을 향상시킬수 있다.The dehumidifying composition according to the present invention can reduce the manufacturing cost and improve the ability to remove moisture by manufacturing a solid dehumidifying composition coated with sand or inorganic oxide using a low-cost dehumidifying agent raw material that does not contain chloride ions.
또한 본 발명의 제습조성물은 폐기시 화분 및 토양 등에 뿌려서 칼슘 및 나트륨 등의 알칼리 물질을 공급하여 비료대용으로도 활용할 수 있는 장점을 가져 환경보전에 이바할 수 있다.In addition, the dehumidifying composition of the present invention can contribute to environmental preservation by supplying alkaline substances such as calcium and sodium by spraying on pollen and soil at the time of disposal, and also utilizing them as a substitute for fertilizer.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100445758B1 (en) * | 2002-04-12 | 2004-08-25 | 신학기 | Emulsion For Removing Moisture And Method of Manufacturing The Same |
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