Aplikasi Koagulan Biji Asam Jawa dalam Penurunan Konsentrasi Zat Warna Drimaren Red pada Limbah Tekstil Sintetik pada Berbagai Variasi Operasi

Author:

Martina Angela,Effendy Dian Santoso,Soetedjo Jenny Novianty M

Abstract

A B S T R A C TSince textile industries use a lot of water in their processes, a huge volume of waste water containing dyes are produced by the increase of the production capacity. Coagulation and flocculation are the common processes applied since they can effectively decrease the dye concentration in the waste water. These treatments usually utilize chemical coagulant and flocculant which are expensive and non-biodegradable. In this research, tamarind seed as one of biobased-coagulants was studied and developed to reduce drimaren dark red HF-CD concentration which is used widely in textile industry in the synthetic waste water. The research was designed using Design Expert 7.0.0, Central Composite Design with range of variables as follows: pH (2-7), tamarind seed concentration (1-3 g/L), and dye concentration (20-30 ppm). The result shows a promising application of natural coagulant up to 94.25% decrease of dye concentration in the optimum condition of 3.68 g/L tamarind seed concentration, 25 ppm dye concentration and pH value of 4.5.Keywords: coagulation; dye concentration acid; natural coagulant; tamarind seedsA B S T R A KIndustri tekstil merupakan industri yang banyak menggunakan air dalam proses produksinya sehingga menghasilkan limbah yang mengandung zat warna tekstil dengan volume yang besar. Pengolahan yang umum digunakan untuk mengolah limbah tekstil ini adalah koagulasi dan flokulasi. Metode ini efektif dalam mengurangi konsentrasi zat warna pada air limbah. Koagulan yang digunakan pada penelitian ini adalah koagulan alami yang terbuat dari biji asam jawa. Penelitian ini bertujuan untuk mengetahui kemampuan dan kondisi optimum biji asam jawa sebagai koagulan alami dalam menurunkan konsentrasi zat warna pada limbah tekstil. Limbah tekstil yang digunakan merupakan limbah sintetik zat warna drimaren dark red HF-CD. Rancangan penelitian dibuat menggunakan Design Expert 7.0.0 metode central composite design dengan memvariasikan variabel pH (2-7), dosis koagulan (1-3 g/L), dan dosis zat warna (20-30 ppm). Kondisi terbaik yang didapat dari penelitian diperoleh pada pH 4,5, dosis koagulan 3,68 g/L, dosis zat warna 25 ppm dengan hasil persen penurunan konsentrasi zat warna sebesar 94,29%.Kata kunci: biji asam jawa; koagulasi; koagulan alami; konsentrasi zat warna

Publisher

Universitas Gadjah Mada

Subject

General Medicine

Cited by 5 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Effectiveness of Well Water Treatment Method with Electrocoagulation, Coagulation, and Electrocoagulation-Coagulation Using Alum as Coagulant;IOP Conference Series: Earth and Environmental Science;2023-08-01

2. Utilization of chicken eggshell and chitosan as coagulants for microplastic removal from aquatic system;Journal of Bioresources and Environmental Sciences;2023-02-19

3. The biocoagulation test of tamarind seed (Tamarindus indica) and winged bean (Psophocarpus tetragonolobus L.) powder in chemical laboratory wastewater;THE 9TH INTERNATIONAL CONFERENCE OF THE INDONESIAN CHEMICAL SOCIETY ICICS 2021: Toward a Meaningful Society;2022

4. Dosage effect of biocoagulant from jackfruit seed (Artocarpus heterophyllus L.) on the wastewater treatment of chemical laboratory;THE 9TH INTERNATIONAL CONFERENCE OF THE INDONESIAN CHEMICAL SOCIETY ICICS 2021: Toward a Meaningful Society;2022

5. Effectiveness of turi seed (Sesbania grandiflora) as biocoagulant on the treatment of batik effluent;THE 9TH INTERNATIONAL CONFERENCE OF THE INDONESIAN CHEMICAL SOCIETY ICICS 2021: Toward a Meaningful Society;2022

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