Fasihah, Novita Sari (2023) PENGGUNAAN CANGKANG TELUR AYAM SEBAGAI ADSORBEN PADA PENGOLAHAN LIMBAH INDUSTRI LAUNDRY. Master thesis, Sultan Ageng Tirtayasa.
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Abstract
The increase in the number of laundry industries every year is in line with the increase in waste generated. Usually the resulting laundry waste will be directly discharged into the environment without prior processing which will cause environmental damage. Some of the factors that cause environmental damage from laundry waste are marked by the high concentrations of BOD, COD and LAS in laundry waste. In this research, an alternative laundry waste treatment was carried out with an adsorption process using adsorbents from chicken egg shells and applied to laundry waste processing equipment. The purpose of this study was to determine the optimum conditions of the adsorption process in the form of variations in length of contact time, concentration, surface area of the adsorbent on the decrease in levels of BOD, COD and LAS. The adsorbent will be made and activated in glass using a temperature of 6000C then pulverized to a size of 50, 100, 150 and 200 mesh, then added as much as 5, 10, 15 and 20 grams of adsorbent to 1 liter of liquid waste then the process of stirring is 130 rpm with variations contact time 30, 60, 90, and 120 minutes. Then the optimum condition of this variation will be installed into the design of a laundry wastewater treatment tool which will be compared with the adsorption results with a laundry waste treatment tool that uses activated carbon adsorbents. The results showed that the highest decrease in BOD, COD and LAS levels occurred at a concentration of 20 g/L with efficiency 66.67%, 80% dan 80%; size of 150 mesh with efficiency 23.09%, 67.34% dan 74.55%; and adsorption time of 90 minutes with efficiency 28.83%, 38.85% dan 35.67% The optimum adsorption conditions for reducing BOD, COD and LAS levels using eggshells in this study were adsorption time of 90 minutes, eggshell size of 150 mesh and adsorbent concentration of 20 grams per liter. The kinetics of the adsorption process used in adsorption laundry waste using egg shells is the Freundlich isotherm equation. The adsorption capacity of using chicken egg shell adsorbents was better than that of activated carbon adsorbents in laundry waste treatment modifications. However, the designed laundry wastewater treatment equipment cannot be applied to the processing of laundry waste disposed of in class 2 rivers
| Item Type: | Thesis (Master) | |||||||||
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| Additional Information: | Meningkatnya jumlah industri laundry setiap tahun sejalan dengan meningkatnya limbah yang dihasilkan. Biasanya limbah laundry yang dihasilkan akan dibuang langsung ke lingkungan tanpa adanya pengolahan terlebih dahulu yang akan menyebabkan terjadinya kerusakan lingkungan. Beberapa faktor yang menimbulkan kerusakan lingkungan dari limbah laundry ditandai konsentrasi BOD, COD dan LAS pada limbah laundry yang cukup tinggi. Pada penelitian ini dilakukan alternatif pengolahan limbah laundry dengan proses adsorpsi menggunakan adsorben dari cangkang telur ayam dan diterapkan pada alat pengolahan limbah laundry. Tujuan dari penelitian ini adalah mengetahui kondisi optimum proses adsorpsi berupa variasi lama waktu kontak, konsentrasi, luas permukaan adsorben terhadap penurunan kadar BOD, COD dan LAS. Adsorben akan dibuat dan diaktivasi secara fisika pada suhu 6000C lalu dihaluskan hingga ukuran 50, 100, 150 dan 200 mesh, kemudian ditambahkan sebanyak 5, 10, 15 dan 20 gram adsorben ke dalam 1 liter limbah launndry selanjutnya proses pengadukan 130 rpm dengan variasi lama waktu kontak 30, 60, 90, dan 120 menit. Kemudian penentuan kondisi optimum dari variasi tersebut dan akan diaplikasikan kedalam perancangan alat pengolahan air limbah laundry yang akan dibandingkan dengan hasil adsorpsi dengan alat pengolahan limbah laundry yang menggunakan adsorben karbon aktif. Hasil penelitian diperoleh penurunan kadar BOD, COD dan LAS tertinggi terjadi pada konsentrasi 20 g/L dengan efisinsi 66,67%, 80% dan 80%; ukuran 150 mesh dengan efisiensi 23,09%, 67,34% dan 74,55%; dan waktu adsorpsi 90 menit dengan efisiensi 28,83%, 38,85% dan 35,67%. Kondisi optimum adsorpsi penurunan kadar BOD, COD dan LAS menggunakan cangkang telur pada penelitian ini yaitu waktu adsorpsi pada 90 menit, ukuran cangkang telur 150 mesh dan konsentrasi adsorben 20 gram per liter. Kinetika proses adsorpsi yang digunakan pada adsorpsi limbah laundry menggunakan cangkang telur adalah persamaan isotherm Freundlich. Daya adsorpsi menggunakan adsorben cangkang telur ayam lebih baik dibandingkan dengan adsorben karbon aktif pada alat modifikasi alat pengolahan limbah laundry. Namun alat pengolahan air limbah laundry yang dirancang belum bisa diterapkan untuk pengolahan limbah laundry yang dibuang pada sungai kelas 2. | |||||||||
| Subjects: | Q Science > QD Chemistry T Technology > TD Environmental technology. Sanitary engineering T Technology > TP Chemical technology |
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| Divisions: | 08-Pascasarjana 08-Pascasarjana > 84104-Magister Teknik Kimia |
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| Depositing User: | Mrs Novita Sari Fasihah | |||||||||
| Date Deposited: | 22 Feb 2023 09:53 | |||||||||
| Last Modified: | 22 Feb 2023 09:53 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/21811 |
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