Pollution from ground level all the way up to the highest levels of the atmosphere is neutralized by ozone, which then turns back into pure oxygen. Dalam mengurangi dampak penggunaan cfc, tidak hanya dilakukan dengan cara daur ulang. Translation find a translation for chloro fluoro carbon in other languages. These halogenated hydrocarbons, notably trichlorofluoromethane cfc11, or f11 and dichlorodifluoromethane cfc12, or f12, have been used extensively as aerosolspray propellants, refrigerants, solvents, and foamblowing agents. They contain fluorine atoms, carbon atoms and chlorine atoms. Afeas alternative fluorocarbon environmental acceptability study is a programme. Fluorocarbon founded and was a pioneer in the moulding of ptfe polymers in the uk.
Due to a lot of things going on in my private life last year of university, finding work, trying to be better overall and a whole bunch of other stuff, i have decided to take a break from art to fully focus on my top priority, which is to graduate from university and work. Cfc adalah singkatan dari chloroflourocarbon yang terbentuk dari atom chlor, flour, dan carbon. Find out what is the most common shorthand of chloro fluoro carbon on. Pengertian sebenarnya rumah kaca adalah bangunan mirip tenda yag terbuat dari bahan sejenis kaca untuk menciptakan lingkungan yang selalu hangat bagi tanaman tertentu, sekalipun pada musim dingin.
Alternative sewon, id chloro fluoro carbon alternative sewon, id. Cfc chloro fluoro carbon dan hfc hidro fluoro carbon kontribusi masingmasing gas bergantung pada lamanya gas bertahan di atmosfer. Chlorofluorocarbon definition is any of several simple gaseous compounds that contain carbon, chlorine, fluorine, and sometimes hydrogen, that are used as refrigerants, cleaning solvents, and aerosol propellants and in the manufacture of plastic foams, and that are believed to be a major cause of stratospheric ozone depletion abbreviation cfc. Cfc lama di dalam alat pendingin, tidak perlu lagi diganti. Thomas midgely also developed tetraethyl lead as a petrol additive in fuel in order to improve its combustion. Sds certificate of analysis product specification technical inquiry stock no. The propellants most often involved were blends of. Banyak cfc telah banyak digunakan sebagai refrigeran, propelan dalam. Sebagai pencemar udara terutama apabila konsentrasi gas tersebut melebihi tingkat konsentrasi normal dan dapat berasal dari sumber alami seperti gunung api serta juga gas yang berasal dari kegiatan manusia anthropogenic sources. Klorofluorokarbon wikipedia bahasa indonesia, ensiklopedia bebas. Volatile chlorofluorocarbons are believed to cause depletion of the atmospheric ozone layer. Bahaya gas cfc bagi kesehatan dan lingkungan halosehat. May 06, 2008 a chloro fluro carbon is a liquid that is inert for some time at least, they have used it in car radiators and refrigerators as it didnt short out electrical appliances if it was spilt, although when it breaks down in the upper atmosphere, the clorine and flurine atoms attack ozone. Refrigerant market hydro chlorofluorocarbons hcfc, hydro.
Lapisan ozon mendapati kerusakan karena gas cfc chloro fluoro carbon, yaitu gas untuk bahan pendingin ac, kulkas, dan hairspray. Feb 09, 20 cfc chloro fluoro carbon cfc biasanya digunakan sebagai bahan pendingin pada ac dan kulkas, cfc dipergunakan sebagai aerosol pada penyemprotan rambut, pengharum, dan pembasmi serangga. Pengertian keracunan adalah masuknya zat racun ke dalam tubuh baik melalui saluran pencernaan, saluran pernafasan, atau. Chloroflourocarbon cfc prep and certification exam program highlights. Hcfcs hydrofluorochlorocarbons were initially used to replace cfcs in many applications, because it was thought these. Chlorofluorocarbons are manmade chemicals that contain the elements chlorine, fluorine and carbon. Connected with annual ozone holes over the earths antarctic and arctic regions. Learn how to stop the greenhouse effect by using the right refrigerant.
Its crystal structure is monoclinic with space group p2 1 and lattice constants a 6. Alternative music, lyrics, and videos from sewon, id on reverbnation. Used as refrigerants, propellants, and blowing agents, but now banned internationally by the montreal protocol. The development of environmentally acceptable fluorocarbons. Refrigerant adalah bahan yg dipakai utk refrigerasi yg mempunyai sifat pendingin contohnya yg terkenal freon cfc chloro fluoro carbon, dimana akhir2 ini penggunaannya mulai dibatasi karena kerugiannya lebih besar dari keuntungannya yaitu merusak lapisan ozon shg sinar uv masuk ke bumi dan bumi menjadi panas. Developed during the 1930s, cfcs found wide application after world war ii.
Dampak pencemaran udara pencemaran udara menimbulkan banyak dampak merugikan. History of chlorofluorocarbons the montreal protocol was adopted as a framework for international cooperation regarding cfc control on the basis of the vienna convention for the protection of the ozone layer. Salah satu gas yang mampu bertahan cukup lama di atmosfer adalah co 2. They normally exist as liquids or gases, and when in the liquid state, they tend to be volatile. Chlorofluorocarbons cfcs cfc, any of several organic. Hello everyone, thank you for the wonderful past two years for following my blog, i really appreciate it. Chlorofluorocarbons cfcs cfc, any of several organic compounds composed of carbon, fluorine, chlorine, and hydrogen. Cfcs are manufactured under the trade name freon q. Everyone who works with refrigeration systems must be certified under the epa guidelines. The value of this equation is always a three figure number. When cfcs also contain hydrogen in place of one or more chlorines, they are called hydrochlorofluorocarbons, or hcfcs. Menipisnya lapisan ozon mengakibatkan terjadinya degradasi lingkungan. Learn the essentials of cfc and complete the epa section 608 exam during class.
The approximate world use pattern of chlorofluorocar bons in 1985 was as. Black in news, kimia, kuliah pernahkah anda mengatakan pada siang hari aduhpanas banget hari ini. Freon, a trade name, is often used to refer to cfcs, which were invented in the 1930s and have been used widely as aerosol propellants, refrigerants, and solvents. Hydrocarbon whose some or most hydrogen atoms have been replaced by chlorine and fluorine atoms. Dec 21, 20 refrigerant are substances that used for refrigeration and have cool properties such as freon cfc chloro fluoro carbon, where lately using of this substance is limited because of disadvantages greater than advantages such as damaging ozone layer so that uv rays entering into earth and earth become hot. Fluorocarbon company history, pioneers in ptfe polymers. Looking for the abbreviation of chloro fluoro carbon. Dampak dan kegunaan cfc chloro fluoro carbon bagi kehidupan manusia a. Cfc any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants and refrigerants. These halogenated hydrocarbons, notably trichlorofluoromethane cfc 11, or f11 and dichlorodifluoromethane cfc 12, or f12, have been used extensively as aerosolspray propellants, refrigerants, solvents, and foamblowing agents. Oct 24, 2018 5 5 1 vote pengertian polusi udara, jenis dan faktor penyebabnyacontents1 pengertian polusi udara, jenis dan faktor penyebabnya2 a. What is the abbreviation for chloro fluoro carbone. Chlorofluorocarbon definition, any of several volatile, inert, saturated compounds of carbon, fluorine, chlorine, and hydrogen.
Benefits of gas cfc chloro fluoro carbon for humans cfcs are compounds that contain carbon atoms with chlorine and fluorine are tied to it. Pengertian dan macam macam polutan zat pencemar air. Chlorofluorocarbon definition of chlorofluorocarbon by. Ch4 metanasejumlah gas tertentu yang mencemari udara. Cfc refrigeration certificate and certification program. Midgely was later challenged to develop a nontoxic refrigerant for household appliances gases. Dapat juga melalui penggunaan bahan alternatif pengganti. Cfcs offer a number of benefits to human beings, but these are outweighed by the damage they do to. Fotolisis wikipedia bahasa indonesia, ensiklopedia bebas. Kerusakan lapisan ozon menyebabkan terbentuknya daerah minim tanpa o3 sehingga lapisan ini seolaholah berlubang dan dinamakan lubang ozon. Sulfur oksida so terutama disebabkan oleh dua komoponen gas yang tidak berwarna, yaitu sulfur oksida s02 dan sulfur trioksida s03. They are also commonly known by the dupont brand name freon.
Definition of chlorofluorocarbon in the dictionary. The 5 main cfcs include cfc 11 trichlorofluoromethane cfcl 3, cfc 12 dichlorodifluoromethane cf 2 cl 2, cfc 1 trichlorotrifluoroethane c 2 f 3 cl 3, cfc 114 dichlorotetrfluoroethane c 2 f 4 cl 2, and cfc 115 chloropentafluoroethane c 2 f 5 cl. A chlorofluorocarbon cfc is an organic compound typically consisting of chlorine, fluorine, carbon, and hydrogen. The carbonfluorine bonds in chlorofluorocarbon com pounds are extremely. In order to get the chemical structure of a chlorofluorocarbon from its common name. Cfcs are chemically and thermally stable and noncombustible synthetic solvents with several industrial applications, such as in manufacture of aerosols, plastic foam, refrigerants. Menurunkan kualitas udara untuk penafasan semua organisme, terutama manusia sehingga akan menurunkan derajat kesehatan masyarakat. The list of acronyms and abbreviations related to cfc chloro fluoro carbons. Sinar matahari akan memecah klorin peroksida menjadi oksigen dan klorin. For chlorofluorocarbons containing two or more carbon atoms, a threedigit numbering system is used. Chlorofluorocarbon cfc, any of several organic compounds composed of carbon, fluorine, and chlorine.
The 5 main cfcs include cfc11 trichlorofluoromethane cfcl 3, cfc12 dichlorodifluoromethane cf 2 cl 2, cfc1 trichlorotrifluoroethane c 2 f 3 cl 3, cfc114 dichlorotetrfluoroethane c 2 f 4 cl 2, and cfc115 chloropentafluoroethane c 2 f 5 cl. The first chlorofluorocarbon was cfc 12, a single carbon with two chlorines and two fluorines attached to it. During the late 1960s it established itself as a supplier of this new material to many key players in the sealing and valve industry. Pengertian polusi udara, jenis dan faktor penyebabnya terlengkap. Cfcs 11 and 12, although nonchlorofluorocarbon substances such as toluene, benzene. Mereka juga dikenal dengan nama merek dupont freon. Oct 19, 2019 a certificate in refrigeration offers students handson experience working with residential and commercial cooling. Atmospheric histories and emissions of chlorofluorocarbons cfc. Klorin yang berasal dari cfc chloro fluoro carbon berinteraksi dengan ozon membentuk klorin monooksida dan oksigen. Chlorofluorocarbon an overview sciencedirect topics. Chlorofluorocarbons cfc s cfc, any of several organic compounds composed of carbon, fluorine, chlorine, and hydrogen. Cfa is defined as chloro fluoro aniline very rarely.
A molecule containing only chlorine, fluorine, and carbon. Information and translations of chlorofluorocarbon in the most comprehensive dictionary definitions resource on the web. It was used as a refrigerant and has an ozone depletion potential of 0. Cfc merupakan gas yang berwarna biru tua, stabil, tidak mudah terbakar, mudah disimpan, dan murah harganya. Covid19 is an emerging, rapidly evolving situation. Sistem pendingin refrigeration pada ac sains, teknologi. Cfc chloro fluoro carboncfc biasanya digunakan sebagai bahan pendingin pada ac dan kulkas, cfc dipergunakan sebagai aerosol pada penyemprotan rambut, pengharum, dan pembasmi serangga. Klorofluorokarbon cfc adalah suatu senyawa organik yang hanya mengandung karbon, klorin, dan fluorin, yang diproduksi sebagai derivat volatil dari metana, etana, dan propana. Chloro fluoro carbon cfc yang berasal dari kebocoran mesin pendingin ruangan, kulkas, ac mobil. Perwakilan kelompok senyawa ini yang paling umum adalah diklorodifluorometana r12 atau freon12. Pengertian dan macam macam polutan zat pencemar air udara. Two common cfcs are cfc11trichloromonofluoromethane or freon 11 and cfc12 dichlorodifluoromethane. Cukup mendaur ulangnya, sehingga menghasilkan cfc baru.
A chlorofluorocarbon is an organic compound that contains only carbon, chlorine, and fluorine, produced as a volatile derivative of methane and ethane. Benefits of gas cfc chloro fluoro carbon for humans. Based on observations of the chlorofluorocar bons cfc. Ternyata banyak yang belum mengetahui secara jelas apa itu cfc. Chlorofluorocarbons cfcs described as miracle chemicals have no. Ch4 metana dampak yang biasanya timbul akibat keracunan limbah gas atau partikel yaitu. Use of the information, documents and data from the echa website is subject to the terms and conditions of this legal notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the echa website may be reproduced, distributed andor used, totally or in part, for noncommercial purposes provided that echa is.
Chlorofluorocarbon definition of chlorofluorocarbon at. Cfc chloro fluoro carbon, sebagai penyebab menipisnya lapisan ozon labels. The first chlorofluorocarbon was cfc12, a single carbon with two chlorines and two fluorines attached to it. These halogenated hydrocarbons, notably trichlorofluoromethane cfc11, or f11 and dichlorodifluoromethane cfc12, or f12 freon a. What is the abbreviation for chloro fluoro carbons. Beberapa penyakit yang disebabkan oleh pencemaran lingkungan adalah bronkitis dan emphysema. The main advantage of this method of deducing the molecular.
Cfc sering mendengar sih, tapi tidak begitu tahu itu apa. Unsur chlor ini akan mengikat ozon o3, dengan chlor sebagai katalisator, ozon akan terurai dan menjadi semakin tipis yang akhirnya membentuk lubang. Refrijeran cfc chloro fluoro carbon pertama, yaitu r12 cf2cl2 mulai di lepas ke pasar pada tahun 1931, diikuti dengan refrijeran hcfc hidro chloro fluoro carbon pertama, yaitu r22 chf2cl. History of chlorofluorocarbons minister of economy. Uses of cfcs cfcs were discovered in the 1930s by thomas midgely. Dampak pencemar udara pencemar udara karakteristik, jenis sumber di industri sumber lain dampak partikulat partikel solid dan liquid mist tersuspensi di atmosfer tanah, timbal, asbestos, tetes asam sulfat, dan produk kimia serbuk unit penggilingan, pengeringan serbuk. Chlorofluorocarbons cfcs and hydrochlorofluorocarbons hcfcs are fully or partly halogenated paraffin hydrocarbons that contain only carbon c.
Refrijeran fluoro carbon dianggap sebagai refrijeran yang aman karena tidak bersifat toksik dan tidak mudah terbakar. Where there is no ozone, there is generally pollution. Cfc refrigeration certificate and certification program information. Sebagai pencemar udara terutama apabila konsentrasi gas tersebut melebihi tingkat konsentrasi normal dan dapat berasal dari sumber alami. Beberapa dekade terakhir, emisi gas co 2 di udara semakin meningkat akibat aktivitas manusia. Chloro fluoro carbon cfc adalah sejenis emisi yang dapat menyebabkan kerusakan lapisan ozon lapisan pelindung bumi dari sinar ultraviolet. Cfc chloro fluoro carbon, sebagai penyebab menipisnya.
Fully halogenated chlorofluorocarbons columbia university. Dua buah klorin monooksida bereaksi membentuk klorin peroksida. Salah satu bahan penggantinya adalah hydro fluoro carbon atau hfc. Pdf atmospheric histories and emissions of chlorofluorocarbons. The webs largest and most authoritative acronyms and abbreviations resource. The rest of the unaccounted carbon bonds are occupied by chlorine atoms.
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