ThesisOpen AccessMetadata saja
2022•
-A machine rised to cut plastic containers into smaller pieces is called a domestic trash plastic chopping machine, PET, HDPE, and PP plastic are among the plastics that are chopped. Research has been done on modifying a v-belt transmission on a plastic-chopping machine to reduce its capacity from 2850 to 1500 rpm. This study aimed to change the v-belt transmisson, compute the plasic chopper’s waste capacity, and compute thhe plastic shredder’s energy consumption. Tests were conducted in this study utilizing 1 kg of PET, HDPE and PP plastic trash bottles. The findings of this investigation led to the development of an electric motor with a 10 kg/hr engine capacity, a 1 hp, a 12 inch type B large pulley, a 3 inch type B small pulley, and a B 53 v-belt. The waste generation rate for PET plastic was 7.14 kg per hour, HDPE plastic was 6.6 kg per hour and PP plasitc was 6.42 kg per hour. PET plastic consumed 0.128 kWh of energy, HDPE plastic consumed 0.139 kWh, and plastic consumed 0.127 kWh.
ThesisOpen AccessMetadata saja
2022•
Mesin pencacah plastik limbah rumah tangga adalah mesin yang digunakan untuk mencacah wadah plastik menjadi ukuran yang lebih kecil. Jenis plastik yang dicacah adalah plastik berjenis PET, HDPE dan PP. Telah dilakukan penelitian dengan judul analisis pengaruh torsi dan efesiensi daya pada mesin pencacah plastik limbah rumah tangga. Tujuan dari penelitian ini adalah menghitung daya yang dibutuhkan mesin pencacah plastik, torsi pada pisau pencacah, torsi pulley saat proses pencacahan, dan efesiensi daya pada mesin pencacah plastik. Dalam penelitian ini dilakukan pengujian mesin pencacah plastik dengan menggunakan 1 kg massa botol sampah plastik PET, HDPE dan PP. Hasil dari penelitian ini didapatkan daya yang dibutuhkan untuk menggerakan mesin pencacah plastik 0,9 HP dimana motor yang digunakan 1 HP dan kapasitas mesin 10 kg/jam.Torsi pisau yang dibutuhkan yaitu 139 Nm, kemudian hasil torsi pulley kecil dan besar pada plastik PET 83,2 Nm dan 334,1 Nm. Torsi pulley kecil dan besar pada plastik HDPE 84,6 Nm dan 340 Nm. Torsi pulley kecil dan besar pada plastik PP 82,2 Nm dan 329,1 Nm. Efesiensi daya pada mesin pencacah plastik limbah rumah tangga untuk jenis plastik PET, HDPE Efesiensi daya 99,8% dan untuk plastik PP hasil efesiensi daya 100%. Adapun rata-rata torsi pulley kecil dan besar 83,3 Nm dan 334,4, Untuk rata-rata efesiensi daya 99,8%.
ThesisOpen AccessMetadata saja
2021•Skripsi, Thesis, Disertasi, dan Tugas Akhir
.The presence of plastic waste is increasing along with the increasing population in the city of Tarakan, which reaches 48 tons per day. Plastic waste that is difficult to decompose causes problems of waste accumulation, so efforts are needed to process plastic waste into a useful product. One of them is by utilizing plastic waste as raw material for making paving blocks. This study sought to find an alternative method of making paving blocks with plastic waste raw materials, which might have better characteristic values than conventional paving blocks. Based on the results of the research, the method of manufacture that had the best characteristic value was Method III, with a melting time of 60 minutes, and using gradual cooling. In this method, variations in the composition of the mixture were also given, namely III.A with a composition of 100% plastic waste, and III.B with a composition of 65% plastic waste and 35% sand. Based on the tests carried out, the composition III.B gave the best characteristic value, with a density value of 1.176 gr/cm3, the absorption value reached 1.183% and the compressive strength value was 17.397 Mpa. Based on the analysis, the plastic paving made by method III.B was 99.36% qualified according to the category C paving quality in SNI 03-0691-1996, which was used for pedestrians.
