Penentuan Kadar Total Suspended Solid (TSS) dan Total Disolve Solid (TDS) pada Limbah Cair Industri Kelapa Sawit dengan Metode Gravimetri di Dinas Lingkungan Hidup Provinsi Sumatera Utara

Abstract

An analysis has been carried out on the determination of Total Suspended Solid (TSS) and Total Disolve Solid (TDS) levels in the Palm Oil Industry Liquid Waste with gravimetry method in UPT. Environmental Laboratory, Environment Office of North Sumatra Province. The determination of Total Suspended Solid (TSS) levels begins with the preparation of Whatmann filter paper No.47 using Aquadest, then dried, then cooled and weighed to a constant weight. The result of such weighing is used as the initial weight of the filter paper. then re-carried out the filtering process on the Liquid Waste sample using filter paper that has been weighed, then dried filter paper, then cooled and weighed to a constant weight, the result of the weighing is used as the final weight of the filter paper. In determining the level of Total Disolve Solid (TDS) begins with the preparation of Porcelain Cup using aquadest, then dried, then weighed to a constant weight. The result of such weighing is used as the initial weight of the porcelain cup. Then the filtering process is carried out on the liquid waste sample using whatmann filter paper No.47 until obtained filtrate, then the obtained filtrate is inserted into the Porelin Cup that has been weighed, then evaporated filtrate until it runs out, then cooled Porcelain Cup, then weighed to a constant weight. The result of the weighing is used as the final weight of the Porcelain Cup. From the weighing results, calculations were then carried out so that the total suspended solid (TSS) level of 50.3 mg / l ; 70 mg / l; 2017.2 mg/l; 163 mg/l and 1949.33 mg/l. And obtained total disolve solid (TDS) levels of 120 mg / l; 426,667 mg/l; 152 mg/l; 506,667 mg/l and 96 mg/l. The maximum level of Total Suspended Solid (TSS) and Total Disolve Solid (TDS) in industrial liquid waste is 200 mg / l for Total Suspended Solid (TSS) and 2000mg / l for Total Disolve Solid (TDS) in accordance with the regulation of the Minister of Environment of the Republic of Indonesia No. 05 of 2014 and it is known that there are 2 samples that do not meet the quality standards of Total Suspended Solid (TSS) levels, namely code samples 30 / LC / 01 / 2022 and 32 / LC / 01/2022.