Abstract
The design of the laboratory liquid waste treatment reactor aims to treat laboratory waste so it is environmentally friendly based on physical and chemical parameters. Reducing the concentration of waste close to or in accordance with the quality standards of liquid waste and also as a waste treatment model that utilizes agricultural waste as reactor stuffing to process laboratory waste to be environmentally friendly. This research also adds economic value to cocoa skin waste, so that cocoa farmers get additional income from cocoa shells. The optimum conditions in the design of this tool occur at a flow rate of 21.94 mL / sec, the height of the adsorbent 20 cm so as to reduce the value of TSS (Total Suspended Solid) with an efficiency of 62,285% and TDS (Total Dissolve Suspended) with an efficiency of 19,415% and at optimum conditions have a pH value of 7. The method applied in this study is the filtration method and the absorption or adsorption method. The sample flow from the bottom up so that the contact between the adsorbent and the waste in the reactor is maximal because of the influence of pressure and gravity. The result of this process is the formation of fine sediments between adsorbents.
Highlights
The design of the laboratory liquid waste treatment reactor aims to treat laboratory waste so it is environmentally friendly based on physical and chemical parameters
The optimum conditions in the design of this tool occur at a flow rate of 21.94 mL
The method applied in this study is the filtration method
Summary
Pabbenteng1*, Elisabeth Alwina2 1Jurusan Teknik Kimia, Politeknik Negeri Ujung Pandang, Indonesia 2Jurusan Teknik Kimia, Politeknik Negeri Ujung Pandang, Indonesia. Desain reaktor pengolahan limbah cair laboratorium bertujuan untuk mengolah limbah laboratorium sehingga ramah lingkungan berdasarkan parameter fisika dan kimia. Penurunkan konsentrasi limbah mendekati atau sesuai baku mutu limbah cair dan juga sebagai model pengolahan limbah yang memanfaatkan limbah pertanian sebagai bahan isian reaktor untuk mengolah limbah Laboratorium menjadi ramah lingkungan. Penelitian ini juga menambah nilai ekonomis terhadap limbah kulit kakao, sehingga para petani kakao mendapat penghasilan tambahan dari kulit kakao. Kondisi optimum pada desain alat ini terjadi pada laju alir 21,94 mL/detik, ketinggian adsorben 20 cm sehingga mampu menurunkan nilai TSS (Total Suspended Solid) dengan efisiensi sebesar 62,285 % dan TDS (Total Dissolve Suspended) dengan efisiensi sebesar 19,415 % serta pada kondisi optimum memiliki nilai pH 7. Metode yang diterapkan dalam penelitian ini adalah metode filtrasi dan metode penyerapan atau adsorpsi. Kata kunci : adsorpsi, limbah, reaktor, TSS, TDS
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