KR20030091215A - Manufacturing Method of Compound Stony Pellets Using of Wasted Synthesis Resin - Google Patents
Manufacturing Method of Compound Stony Pellets Using of Wasted Synthesis Resin Download PDFInfo
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- KR20030091215A KR20030091215A KR1020020029088A KR20020029088A KR20030091215A KR 20030091215 A KR20030091215 A KR 20030091215A KR 1020020029088 A KR1020020029088 A KR 1020020029088A KR 20020029088 A KR20020029088 A KR 20020029088A KR 20030091215 A KR20030091215 A KR 20030091215A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3007—Moulding, shaping or extruding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3042—Use of binding agents; addition of materials ameliorating the mechanical properties of the produced sorbent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
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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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
Description
본 발명은 폐합성수지를 함유한 흡착제의 제조방법 및 동 방법에 의해 제조한 흡착제에 관한 것이다.The present invention relates to a method for producing an adsorbent containing waste synthetic resin and to an adsorbent prepared by the same method.
산업의 발달로 인하여 산업폐수의 발생량이 증가하고 있는데 이러한 산업폐수의 대부분은 독성이 매우 크므로 인체 및 생태계에 치명적인 영향을 미칠 뿐 아니라 수자원을 날로 심각하게 오염시키고 있으며, 특히 산업폐수중 도금폐수의 경우 유해 중금속을 다량 함유하고 있어 오염방지 대책이 크게 요망되고 있다. 그러나 대부분의 도금업체는 생산규모의 영세화로 인하여 폐수처리 또는 운영 면에서 재정적인 어려움이 많을 뿐만 아니라 처리기술에서 적절한 처리 효과를 얻지 못하고 있다.Due to the development of industry, the amount of industrial wastewater is increasing. Most of these industrial wastewaters are very toxic and not only have a fatal effect on the human body and ecosystem, but also seriously pollute the water resources, especially in the industrial wastewater. In case of harmful heavy metals, pollution prevention measures are greatly desired. However, most plating companies are not only financially difficult in terms of wastewater treatment or operation due to the miniaturization of production scale, but also do not obtain proper treatment effect in treatment technology.
도금폐수는 소규모 공장 또는 대규모 공장의 일부 공정에서 배출되며 대체적으로 배출량은 소량인 것으로 알려져 있다. 도금폐수에 보편적으로 함유되어 있는 오염물질은 시안(CN)과 크롬(Cr)을 비롯하여 아연, 구리, 카드뮴, 철 등의 중금속 등으로 현재 이들 물질을 처리하기 위해서는 물질별로 각각 다른 처리 공정이 필요하게 되며 이에 따른 많은 장치비와 운영비가 소요된다. 그러나 국내의 경우 대개의 도금업체들은 영세성을 면치 못하고 있어 도금폐수를 경제적으로 처리할 수 있는 방안 개발이 시급하다고 할 수 있다. 또한 현재 발생되는 도금폐수의 중금속 처리를 위하여 폐수의 pH 변화가 요구됨으로 작업상 위해 요건이 발생될 수 있고 경제적 부담 요소로도 작용할 수 있다.Plating wastewater is discharged from some processes in small or large plants and is generally known to be low in emissions. Contaminants commonly contained in plating wastewater include cyanide (CN) and chromium (Cr), and heavy metals such as zinc, copper, cadmium, and iron, and currently require different treatment processes for each material. This requires a lot of equipment and operating costs. However, in Korea, most plating companies are in poor condition, so it is urgent to develop a method for economically treating plating wastewater. In addition, since the pH change of the wastewater is required for the heavy metal treatment of the plating wastewater generated at present, operational requirements may be generated and it may act as an economic burden.
현재까지는 산업폐수중의 부영양화를 촉진시키는 인을 제거하기 위해 폐기물을 이용한 인 제거용 담체 및 그의 제조방법이 이루어지고 있으며 또한, 석탄재를 재이용하여 중금속 등 유해 물질을 흡착하는 제올라이트 합성연구와 폐굴껍질에 의한 중금속 흡착특성 등이 연구되고 있는 중이다.Until now, a carrier for phosphorus removal using wastes and a method of manufacturing the same have been made to remove phosphorus to promote eutrophication in industrial wastewater.In addition, the research on the synthesis of zeolites for adsorbing harmful substances such as heavy metals by reusing coal ash and waste oyster shells Adsorption characteristics of heavy metals are being studied.
본 발명은 환경 오염물질인 폐기물을 재활용하고자 농촌의 비닐하우스에서발생하는 폐비닐 및 도시에서 많이 발생하는 폐프라스틱 등의 폐기물과 제철분진, 회분(Fly ash), 굴껍질, 마그네슘(Mg) 등의 부재료와 발포제를 첨가 Compounding한 다음 용융·압출하여 다공질체로써 표면적이 불규칙하여 비표면적을 크게한 혼합 흡착제(Compound Stony Pellets, CSPs)를 제조하였다.The present invention is to recycle waste, such as environmental pollutants, such as waste plastics generated in rural plastic houses and waste plastics generated in urban areas, as well as seasonal dust, fly ash, oyster shell, magnesium (Mg), etc. Compound adsorbents and blowing agents were added, followed by melting and extruding to prepare mixed adsorbents (Compound Stony Pellets, CSPs) with a large surface area due to irregular surface area.
본 발명은 산업폐기물을 재이용 하는 차원에서 환경 오염물질인 폐기물을 자원으로 재활용하고자 농촌의 비닐하우스 폐비닐과 도시에서 다량 배출되는 폐프라스틱 등의 폐기물과 부재료로서 굴껍질, 제철분진, 회분(Fly ash), 마그네슘(Mg) 중에서 선택된 어느 하나 이상과 발포제를 첨가 Compounding한 다음 용융·압출하여 다공질체로써 표면적이 불규칙하여 비표면적이 크고 중금속에 대한 흡착효율이 뛰어난 흡착제(Compound Stony Pellets, CSPs)를 제조하여 이를 도금폐수에 적용시켜 도금폐수 중의 중금속을 제거하는 것을 목적으로 한다.In order to recycle industrial wastes as a resource, the present invention provides oyster shells, seasonal dust, ash (Fly ash) as wastes and subsidiary materials such as waste plastics in rural vinyl houses and waste plastics discharged from cities in large quantities. Compound, any one or more selected from magnesium and magnesium (Mg) is added, followed by melting and extruding to produce a porous sorbent (Compound Stony Pellets, CSPs) with irregular surface area and high adsorption efficiency for heavy metals. It is intended to remove heavy metals in the plating wastewater by applying it to the plating wastewater.
도 1는 본 발명의 흡착제 제조공정도.1 is a manufacturing process diagram of the adsorbent of the present invention.
도 2는 본 발명에 의해 제조한 흡착제를 이용한 도금폐수 중 Zn 제거 효과를 나타낸 그래프.Figure 2 is a graph showing the effect of Zn removal in the plating wastewater using the adsorbent prepared by the present invention.
도 3는 본 발명에 의해 제조한 흡착제를 이용한 도금폐수 중 Cu 제거 효과를 나타낸 그래프.Figure 3 is a graph showing the effect of removing Cu in the plating wastewater using the adsorbent prepared by the present invention.
도 4는 본 발명에 의해 제조한 흡착제를 이용한 도금폐수 중 CN 제거 효과를 나타낸 그래프.Figure 4 is a graph showing the effect of CN removal in the plating wastewater using the adsorbent prepared by the present invention.
본 발명의 폐합성수지를 함유한 흡착제의 제조방법은 폐합성수지 10∼90 중량%와 부재료 10∼90 중량%을 혼합하여 용융시키는 단계와,Method for producing an adsorbent containing waste synthetic resin of the present invention comprises the steps of melting by mixing 10 to 90% by weight of the waste synthetic resin and 10 to 90% by weight of the subsidiary material,
폐합성수지와 부재료의 혼합물 100 중량%에 대하여 발포제 0.5∼5.0 중량% 를 첨가한 후 혼합하여 발포시키는 단계와,Adding 0.5 to 5.0% by weight of the blowing agent to 100% by weight of the mixture of the waste synthetic resin and the subsidiary material, followed by mixing and foaming;
전기 단계에서 발포된 폐합성수지와 부재료의 혼합물을 압출시키는 단계를포함함을 특징으로 하며 또한 본 발명은 상기와 같은 방법으로 제조한 폐합성수지를 함유한 흡착제를 제공할 수 있다.It is characterized in that it comprises the step of extruding a mixture of foamed waste synthetic resin and subsidiary materials in the previous step and the present invention can also provide an adsorbent containing waste synthetic resin prepared by the above method.
본 발명에서 부재료가 부착되는 폐합성수지는 폐비닐 및 폐플라스틱을 각각 사용하거나 또는 이들의 혼합물을 사용할 수 있는데 본 발명에서 폐합성수지를 10 중량% 미만 사용하면 부재료의 부착성이 떨어지는 문제가 있고, 90 중량% 초과하여 사용하면 도금폐수중의 중금속 흡착시 중금속의 흡착성이 낮아지는 문제가 있어 본 발명에서 폐합성수지는 10∼90 중량%를 사용하는 것이 좋다.In the present invention, the waste synthetic resin to which the subsidiary material is attached may use waste vinyl and waste plastic, or a mixture thereof. In the present invention, when the waste synthetic resin is less than 10% by weight, the adhesiveness of the subsidiary material is inferior. If it is used in excess of the weight% there is a problem that the adsorption of heavy metals when the heavy metal adsorption in the plating waste water is lowered, it is preferable to use the waste synthetic resin in the present invention 10 to 90% by weight.
본 발명에서 사용할 수 있는 폐비닐의 일예로서는 폴리비닐을 함유한 폐비닐이 있으며, 폐플라스틱의 일예로서는 폴리에틸렌 또는 폴리프로필렌을 함유한 폐플라스틱을 이용할 수 있다.One example of waste vinyl usable in the present invention is waste vinyl containing polyvinyl, and waste plastic containing polyethylene or polypropylene can be used as one example of waste plastic.
본 발명에서 부재료는 굴껍질, 제철분진, 회분 및 마그네슘 중에서 선택된 어느 하나 이상을 사용할 수 있는데 보다 바람직하기로는 전기의 부재료를 2가지 이상의 혼합물 형태로 사용하는 것이 좋다. 한편 이들 부재료를 2가지 이상의 혼합물 형태로 사용시 다양한 사용량으로 흡착제롤 제조한바 굴껍질 4.8∼30 중량%, 제철분진 4.8∼42.9 중량%, 회분(Fly ash) 8.7∼28 중량%, 마그네슘(Mg) 8.7∼32 중량% 사용시 본 발명의 목적에 가장 부합하는 흡착제를 얻을 수 있다.In the present invention, the submaterial may be any one or more selected from oyster shell, seasonal dust, ash and magnesium, and more preferably, the submaterial may be used in the form of a mixture of two or more. On the other hand, when these subsidiary materials are used in the form of a mixture of two or more, the adsorbent rolls are prepared in various amounts, and the oyster shell 4.8 to 30 wt%, the steel dust 4.8 to 42.9 wt%, fly ash 8.7 to 28 wt%, magnesium (Mg) 8.7 When using -32% by weight, an adsorbent best suited for the purpose of the present invention can be obtained.
전기의 부재료는 모두 폐수중의 중금속을 흡착하는 역할을 하며 특히 마그네슘은 흡착된 중금속을 서로 응집시키는 역할을 하는데 굴껍질은 4.8 중량% 미만 사용하면 중금속의 흡착능력이 떨어지는 문제가 있고, 30 중량% 초과 사용하면 중금속과의 부착성이 떨어지는 문제가 있어, 본 발명에서 굴껍질은 4.8∼30 중량% 사용하는 것이 좋다.All the subsidiary materials serve to adsorb heavy metals in the wastewater, and magnesium acts to agglomerate the adsorbed heavy metals to each other. If the oyster shell is used at less than 4.8% by weight, the adsorption capacity of the heavy metals is deteriorated. If it is used in excess, there is a problem of poor adhesion to heavy metals, in the present invention, it is preferable to use 4.8-30% by weight of oyster shell.
제철분진은 4.8 중량% 미만 사용하면 중금속의 흡착능력이 떨어지는 문제가 있고, 42.9 중량% 초과 사용하면 중금속과의 부착성이 떨어지는 문제가 있어, 본 발명에서 제철분진은 4.8∼42.9 중량% 사용하는 것이 좋다.Steel dust has a problem that the adsorption capacity of heavy metals is lowered when used less than 4.8% by weight, there is a problem that the adhesion to heavy metals when the use of more than 42.9% by weight, steel dust is used in the present invention 4.8 ~ 42.9% by weight good.
회분(Fly ash)은 8.7 중량% 미만 사용하면 중금속의 흡착능력이 떨어지는 문제가 있고, 28 중량% 초과 사용하면 중금속과의 부착성이 떨어지는 문제가 있어, 본 발명에서 회분(Fly ash)은 8.7∼28 중량% 사용하는 것이 좋다.Fly ash has a problem in that the adsorption capacity of heavy metals is lowered when used less than 8.7% by weight, and adhesiveness with heavy metals is poor when used in excess of 28% by weight, and fly ash is 8.7∼ in the present invention. It is recommended to use 28% by weight.
마그네슘(Mg)은 8.7 중량% 미만 사용하면 흡착한 중금속의 응집력이 떨어지는 문제가 있고, 32 중량% 초과 사용하면 중금속과의 부착성이 떨어지는 문제가 있어, 본 발명에서 마그네슘(Mg)은 8.7∼32 중량% 사용하는 것이 좋다.If the magnesium (Mg) is less than 8.7% by weight, there is a problem that the cohesive strength of the heavy metal adsorbed is lowered, if the use of more than 32% by weight, magnesium (Mg) has a problem of poor adhesion to the heavy metal, magnesium (Mg) is 8.7 to 32 It is recommended to use weight percent
한편 이들 본 발명에서 부재료인 굴껍질, 제철분진, 회분(Fly ash) 및 마그네슘의 입도는 10∼100 메쉬(mesh)인 것을 사용하는데 만일 이들의 입도가 10 메쉬 미만이면 응집 효과는 양호하나, 입도가 작은 입자가 제조하는 동력비가 증가하는 문제가 있고, 100 메쉬 초과하면 폐합성 수지와 부재료의 부착성이 떨어지는 문제가 있어 본 발명에서 이들 부재료의 입도는 10∼100 메쉬(mesh)인 것을 사용하는 것이 좋다.On the other hand, in the present invention, the particle size of the oyster shell, seasonal dust, fly ash and magnesium, which is a subsidiary material, is used in the range of 10 to 100 mesh. If the particle size is less than 10 mesh, the coagulation effect is good, but the particle size is good. In the present invention, there is a problem in that the power ratio produced by the small particles is increased, and when the ratio exceeds 100 mesh, adhesion of the waste synthetic resin and the subsidiary material is inferior. In the present invention, the particle size of these subsidiary materials is 10 to 100 mesh. It is good.
본 발명에서 폐합성수지와 부재료의 용융은 120∼250℃에서 15∼60분 동안실시하는데 온도가 120℃ 미만에서는 폐합성수지와 부재료의 용융이 충분히 이루어지지 않고, 250℃ 초과하면 용융상태에 특별한 차이가 없이 온도 증가에 대한 비용이 소요되므로 폐합성수지와 부재료의 용융온도는 120∼250℃에서 실시하는 것이 좋다.In the present invention, the melting of the waste synthetic resin and the subsidiary material is carried out at 120 to 250 ° C. for 15 to 60 minutes, but when the temperature is less than 120 ° C., the melting of the waste synthetic resin and the subsidiary material is not sufficiently achieved. It is recommended that the melting temperature of the waste synthetic resin and the subsidiary material be carried out at 120 to 250 ° C. because of the cost of increasing the temperature.
또한 용융시간에 있어서, 용융시간이 15분 미만이면 폐합성수지와 부재료의 용융이 충분히 이루어지지 않고, 60분 초과하기 이전에 폐합성수지와 부재료의 완전 용융이 이루어지므로 따로 용융시간을 증가할 필요가 없으므로 융융시간은 15∼60분 동안 실시하는 것이 좋다.Also, in the melting time, if the melting time is less than 15 minutes, the waste synthetic resin and the subsidiary material are not sufficiently melted, and since the waste synthetic resin and the subsidiary material are completely melted before exceeding 60 minutes, there is no need to increase the melting time separately. Melting time is good for 15 to 60 minutes.
본 발명에서 폐합성수지와 부재료를 발포시키는 발포제는 경탄계나 중탄계를 이용하는데 보다 상세하게는 공기중에서 분해온도(5℃/min)가 120∼157, 공기중에서 가스량(5℃/min)이 160∼180ml/g인 ACP(주식회사 금양, 대한민국)계 발포제, 공기중에서 분해온도(5℃/min)가 125∼143, 공기중에서 가스량(5℃/min) 160∼180ml/g인JTR(주식회사 금양, 대한민국)계 발포제 중에서 선택된 어느 하나를 폐합성수지와 부재료에 첨가한 후 3∼10분 동안 혼합하여 발포시키다. 본 발명에서 발포제를 폐합성수지와 부재료 혼합물 100 중량%에 대하여 0.5∼5.0 중량% 사용하는데 0.5 중량% 미만 사용하면 다공성 발포가 되지 않은 문제가 있고, 5.0 중량% 초과하여 사용하면 과다공성 발포의 문제가 있어 본 발명에서 발포제는 폐합성수지와 부재료 혼합물 100 중량%에 대하여 0.5∼5.0 중량% 사용하는 것이 좋다.In the present invention, the foaming agent for foaming the waste synthetic resin and the subsidiary material uses a hard coal-based or bicarbonate-based foam. More specifically, the decomposition temperature (5 ° C./min) is 120-157 in air and the gas amount (5 ° C./min) is 160- in air. ACP (Geumyang, Korea) foaming agent of 180ml / g, JTR (Geumyang, Korea) with decomposition temperature (5 ℃ / min) of 125 ~ 143 in air, gas quantity (5 ℃ / min) of 160 ~ 180ml / g in air One of the foaming agents is added to the waste synthetic resin and the subsidiary material, followed by mixing for 3 to 10 minutes to foam. In the present invention, when the foaming agent is used in an amount of 0.5 to 5.0% by weight based on 100% by weight of the waste synthetic resin and the subsidiary material mixture, the use of less than 0.5% by weight does not cause porous foaming. In the present invention, the blowing agent is preferably used 0.5 to 5.0% by weight relative to 100% by weight of the mixture of the waste synthetic resin and the subsidiary material.
폐합성수지와 부재료의 혼합물에 발포제를 첨가하여 발포된 폐합성수지와 부재료의 혼합물을 흡착제로 사용하기 위해서는 표면적이 커야 하므로 압출시 다공질체로서 표면적이 불규칙하게 형상하거나 또는 구(sphere) 형태로 형성할 수 있으며 다른 한편으로는 이들을 사용하기에 알맞은 크기로 조절할 수 있다.In order to use the mixture of the waste synthetic resin and the subsidiary material foamed by adding the blowing agent to the mixture of the waste synthetic resin and the subsidiary material as the adsorbent, the surface area must be large so that the surface area can be irregularly shaped or formed as a sphere during extrusion. On the other hand, they can be sized to fit them.
이하 본 발명을 다음의 실시예와 시험예에 의하여 설명하고자 한다. 그러나 이들은 본 발명의 일예로서 본 발명의 권리범위가 이들에 의해 한정되는 것은 아니다.Hereinafter, the present invention will be described by the following examples and test examples. However, these are only examples of the present invention, and the scope of the present invention is not limited thereto.
＜실시예 1∼10＞<Examples 1-10>
폐합성수지로서 폴리비닐, 폐플라스틱과 부재료로서 굴껍질, 제철분진, 회분, 마그네슘을 하기의 표 1의 사용량과 같이 반응기에 주입하고 180℃에서 약 30분 시간 동안 용융시켰다.Polyvinyl as waste synthetic resin, waste plastic and oyster shell, steel dust, ash and magnesium as waste materials were injected into the reactor as used in Table 1 below and melted at 180 ° C. for about 30 minutes.
용융 후 발포제인 공기중에서 분해온도(5℃/min)가 137∼143, 공기중에서 가스량(5℃/min) 160∼180ml/g인 ACP 발포제(주식회사 금양, 대한민국)를 폐합성수지 및 부재료의 혼합물 100 중량%에 하기의 표 1과 같이 첨가한 후 7분 동안 혼합하여 발포가 되도록 한 후 지름이 10mm인 압출기를 통과시켜 두께가 10mm가 되도록 구형의 흡착제(Compound Stony Pellets)를 제조하였다.After melting, ACP blowing agent (Geumyang, South Korea) with decomposition temperature (5 ℃ / min) in air of blowing agent (5 ℃ / min) is 160 ~ 180ml / g in air (5 ℃ / min) 100 After adding to the weight% as shown in Table 1 and then mixed for 7 minutes to foam, a spherical adsorbent (Compound Stony Pellets) was prepared to a thickness of 10mm through an extruder having a diameter of 10mm.
상기에서 부재료는 입도가 70 메쉬인 것을 사용하였고, 특히 폐합성수지는 길이가 5mm가 되도록 절단한 것을 사용하였다.In the above, the submaterial was used as the particle size of 70 mesh, in particular waste synthetic resin was used to cut to 5mm in length.
표 1. 폐합성수지 및 부재료의 사용량(단위 : 중량%)Table 1. Consumption of Waste Synthetic Resin and Substances (Unit: Weight%)
＜시험예 1＞<Test Example 1>
실시예 5 내지 실시예 8에 제조한 흡착제를 증류수로 2∼3회 세척한 후 건조하여 흡착제(Compound Stony Pellets, CSPs) 736g를 각각 회분식 반응기에 넣고, 도금폐수 중에 아연(Zn) 66.57 mg/L, 구리(Cu) 13.43 mg/L, 시안(CN) 18.76 mg/L가 함유된 도금폐수 시료 1.0ℓ를 흡착시간별(각각 1 hr 간격)로 각각의 흡착제가 충진된 회분식 반응기에 유입시켜 처리수를 분석하여 아연의 제거효율을 조사하여 그 결과를 도 2와 같은 중금속 처리효율 분석결과를 얻었다.The adsorbents prepared in Examples 5 to 8 were washed 2 to 3 times with distilled water and then dried to place 736 g of adsorbents (Compound Stony Pellets, CSPs) in a batch reactor, and 66.57 mg / L of zinc (Zn) in the plating wastewater. 1.0L of plated wastewater containing 13.43 mg / L of copper and 18.76 mg / L of cyan was introduced into the batch reactor filled with the adsorbent at each adsorption time (each 1 hr interval). By analyzing the removal efficiency of zinc to obtain the results of the heavy metal treatment efficiency analysis results as shown in FIG.
본 발명의 중금속 분석 중 Zn 분석은 ICP-Atomic Emission Spectrometer(Jobin Yvon사 plus 38 : Dual gratings 4320grs/mm, 1800grs/mm) 기기를 사용하였다.Zn analysis of the heavy metal analysis of the present invention used an ICP-Atomic Emission Spectrometer (Jobin Yvon's plus 38: Dual gratings 4320grs / mm, 1800grs / mm) instrument.
＜시험예 2＞<Test Example 2>
실시예 5, 실시예 8, 실시예 9 및 실시예 10에 제조한 흡착제(Compound Stony Pellets, CSPs)를 증류수로 2∼3회 세척한 후 건조하여 흡착제 736g를 각각 회분식 반응기에 넣고, 도금폐수 중에 아연(Zn) 66.57 mg/L, 구리(Cu) 13.43 mg/L, 시안(CN) 18.76 mg/L가 함유된 도금폐수 시료 1.0ℓ를 흡착시간별(각각 1 hr 간격)로 각각의 흡착제가 충진된 회분식 반응기에 유입시켜 처리수를 분석하여 구리의 제거효율을 조사하여 그 결과를 도 3과 같은 중금속 처리효율 분석결과를 얻었다.The adsorbents (Compound Stony Pellets, CSPs) prepared in Examples 5, 8, 9 and 10 were washed two to three times with distilled water and then dried to place 736 g of the adsorbent in a batch reactor and placed in a plating wastewater. 1.0 L of plated wastewater containing zinc (Zn) 66.57 mg / L, copper (Cu) 13.43 mg / L, and cyan (CN) 18.76 mg / L was filled with each adsorbent at each adsorption time (each 1 hr interval). The treated water was introduced into a batch reactor to analyze the removal efficiency of copper, and the results of the analysis of the heavy metal treatment efficiency as shown in FIG. 3 were obtained.
본 발명의 중금속 분석 중 Cu 분석은 ICP-Atomic Emission Spectrometer(Jobin Yvon사 plus 38 : Dual gratings 4320grs/mm, 1800grs/mm) 기기를 사용하였다.Cu analysis of the heavy metal analysis of the present invention used an ICP-Atomic Emission Spectrometer (Jobin Yvon company plus 38: Dual gratings 4320grs / mm, 1800grs / mm) instrument.
＜시험예 3＞<Test Example 3>
실시예 5, 실시예 6, 실시예 8 및 실시예 9에 제조한 흡착제(Compound Stony Pellets, CSPs)를 증류수로 2∼3회 세척한 후 건조하여 흡착제 736g를 각각 회분식 반응기에 넣고, 도금폐수 중에 아연(Zn) 66.57 mg/L, 구리(Cu) 13.43 mg/L, 시안(CN) 18.76 mg/L가 함유된 도금폐수 시료 1.0ℓ를 흡착시간별(각각 1 hr 간격)로 각각의 흡착제가 충진된 회분식 반응기에 유입시켜 처리수를 수질오염공정시험법 중에서 피리딘-피라졸론법을 이용하여 분석함으로써 CN의 제거효율을 조사하여그 결과를 도 4에 나타내었다.The adsorbents (Compound Stony Pellets, CSPs) prepared in Examples 5, 6, 8, and 9 were washed two to three times with distilled water and then dried. 1.0 L of plated wastewater containing zinc (Zn) 66.57 mg / L, copper (Cu) 13.43 mg / L, and cyan (CN) 18.76 mg / L The treated water was introduced into a batch reactor and analyzed by using pyridine-pyrazolone method in water pollution process test, and the removal efficiency of CN was investigated and the results are shown in FIG.
본 발명에 의해 농촌 폐비닐과 폐프라스틱, 산업장에서 발생되는 제철분진, 굴껍질, 회분, 마그네슘 중에서 선택된 어느 하나 이상을 사용하여 제조한 흡착제(Compound Stony Pellets, CSPs)는 중금속을 함유한 폐수의 정화에 있어서 효과가 있을 뿐 아니라 폐기물을 재이용하기 때문에 경제적인 손실을 줄일 수 있을 뿐만 아니라 환경보전에도 기여할 수 있다.According to the present invention, adsorbents (Compound Stony Pellets, CSPs) prepared by using at least one selected from among seasonal waste vinyl, waste plastic, industrial dust, oyster shell, ash, and magnesium, which are produced in rural waste vinyl, are used for wastewater containing heavy metals. Not only is it effective in cleanup, but the reuse of waste can reduce economic losses and contribute to environmental conservation.
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