Salsabila, Dianah (2019) Pengaruh Waktu Kontak Dan Konsentrasi Karbon Aktif Ampas Minuman Teh Terhadap Penurunan Kadar Cod Dan Fosfat Pada Limbah Cair Laundry Sintetis. Sarjana thesis, Universitas Brawijaya.
Abstract
Usaha laundry merupakan salah satu jasa layanan yang menyediakan sarana pencucian pakaian. Produk komersial yang digunakan oleh usaha laundry untuk menghilangkan kotoran pada pakaian adalah detergen. Detergen yang terakumulasi dapat menyebabkan peningkatan kandungan Chemical Oxygen Demand (COD) dan fosfat. Dampak negative yang ditimbulkan pada lingkungan yakni penurunan kadar oksigen terlarut perairan, perubahan sifat fisik dan kimia air. Salah satu cara yang dapat digunakan untuk mengatasi pencemaran lingkungan oleh limbah cair laundry sintetis adalah dengan proses adsorpsi menggunakan karbon aktif. Salah satu limbah padat yang dapat digunakan karbon aktif yakni ampas minuman teh. Tujuan penelitian ini adalah untuk mengetahui pengaruh waktu kontak dan konsentrasi karbon aktif serta interaksi antara keduanya terhadap penurunan kadar COD dan fosfat. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) yang disusun secara faktorial dengan dua faktor yaitu waktu kontak (10 menit, 20 menit dan 30 menit) dan konsentrasi karbon aktif (1,2% (b/v), 2,4% (b/v) dan 3,6% (b/v)) yang dilakukan sebanyak 3 kali ulangan. Analisis data menggunakan analisis sidik ragam (ANOVA) dengan tingkat kepercayaan 95% (α=0,05) dan dilanjutkan dengan uji DMRT. Hasil penelitian menunjukkan bahwa faktor waktu kontak dan konsentrasi karbon aktif serta interaksi antara kedua faktor berpengaruh nyata (α=0,05) terhadap penurunan kadar COD dan fosfat. Penurunan kadar COD limbah cair laundry sintetis yang paling tinggi didapatkan pada perlakuan waktu kontak 30 menit dan konsentrasi karbon aktif 1,2% (b/v) sebesar 47,77% dan penurunan kadar COD yang paling rendah diperoleh pada perlakuan waktu kontak 10 menit dan konsentrasi karbon aktifvii 3,6% (b/v) sebesar 33,99%. Penurunan kadar fosfat yang paling tinggi sebesar 58,48% didapatkan pada perlakuan waktu kontak 30 menit dan konsentrasi karbon aktif 1,2% (b/v) dan penurunan kadar fosfat yang paling rendah sebesar 7,96% didapatkan pada perlakuan waktu kontak 10 menit dan konsentrasi karbon aktif 3,6% (b/v). Penurunan tertinggi kadar COD dan Fosfat ditunjukkan pada kombinasi perlakuan dengan waktu kontak 30 menit dan konsentrasi karbon aktif 1,2% (b/v) yang kemudian dilakukan uji FTIR. Berdasarkan hasil analisa FTIR menunjukkan beberapa gugus fungsi yang dimiliki oleh karbon aktif ampas minuman teh diantaranya C-H Alkena, C-H Cincin aromatik, C-N Amina/amida, NO2, C-N Nitril, C=C Alkuna, gugus sulfat, dan gugus P=O.
English Abstract
Laundry business is one of the services that provide a means of washing clothes. The commercial products used by the laundry business to remove the dirt on the clothes are deterents. Accumulated detergent can lead to increased content of Chemical Oxygen Demand (COD) and phosphate. The negative impact on the environment is the decrease in water soluble oxygen levels, changes in the physical properties and chemicals. One of the ways that can be used to overcome environmental pollution by a synthetic laundry liquid waste is by the process of adsorption using activated carbon. One of the solid waste that can be used by activated carbon is the tea drinking leaves. The purpose of this research was to determine the influence of contact time and the concentration of activated carbon and the interaction between them on the reduction of COD and phosphate levels. The study uses the group Random Plan (RAK), which is compiled in factorial with two factors: the contact time (10 minutes, 20 minutes and 30 minutes) and the concentration of activated carbon (1.2% (b/v), 2.4% (b/v) and 3.6% (b/v)) which is 3 times repeated. Data analysis uses a variegated analysis (ANOVA) with a confidence level of 95% (α = 0.05) and is continued with the DMRT test. The results showed that the contact time factor and concentration of activated carbon as well as the interaction between the two factors were apparent (α = 0.05) against the reduction of COD and phosphate levels. The highest reduction in COD rate of 47.77% is achieved in 30 minutes contact time and 1.2% (b/v) active carbon concentration and the lowest decreased in COD rate of 33.99% is achieved in 10 minutes contact time and a 3.6% (b/v) active carbon concentration. The highest reduction in phosphate rate of 58.48% is achieved in 30ix minutes contact time and 1.2% (b/v) active carbon concentration and the lowest phosphate rate reduction of 7.96% obtained in 10 minutes contact time treatment and active carbon concentration 3.6% (b/v). The highest reduction in COD and phosphate levels was shown in a combination of treatment with a 30 minutes contact time and a 1.2% (b/v) concentration of activated carbon which was subsequently conducted FTIR test. Based on the results of FTIR analysis shows several function groups owned by activated carbon tea drink pulp such as C-H Alkena, C-H aromatic ring, C-N amine/Amida, NO2, C-N Nitril, C = C Alkuna, sulphate group, and P = O cluster.
Other obstract
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| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FTP/2019/11/052002339 |
| Uncontrolled Keywords: | Ampas Minuman Teh, Konsentrasi Karbon Aktif, Limbah Cair Laundry Sintetis, Waktu Kontak, Tea Drinking Leaves, Activated Carbon Concentrations, Synthetic Laundry Waste, Contact Time |
| Subjects: | 600 Technology (Applied sciences) > 628 Sanitary engineering > 628.4 Waste technology, public toilets, street cleaning |
| Divisions: | Fakultas Teknologi Pertanian > Teknologi Industri Pertanian |
| Depositing User: | Nur Cholis |
| Date Deposited: | 13 Aug 2020 07:22 |
| Last Modified: | 13 Aug 2020 07:22 |
| URI: | http://repository.ub.ac.id/id/eprint/181468 |
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