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All Journal Jurnal Teknik Kimia USU

Setiaty Pandia

Departemen Teknik Kimia, Fakultas Teknik Universitas Sumatera Utara

Author-ID : 4065384

Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Articles

PENGARUH KOMPOSISI CAMPURAN LIMBAH PADAT DAN CAIR INDUSTRI TAPIOKA TERHADAP PERSENTASE PENYISIHAN TOTAL SUSPENDED SOLID (TSS) DENGAN STARTER KOTORAN SAPI Syervy Tanata; Mimi Richell Gunawan; Setiaty Pandia
Jurnal Teknik Kimia USU Vol. 2 No. 3 (2013): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

The waste from tapioca industry is classified as an organic waste that contains many important compounds such as carbohydrate, protein and glucose. The research is aimed to know the quality of biogas from cassava pulp combined with waste water from the cassava starch industry using batch anaerobic digester system. The research began by mixing the solid and liquid wastes from tapioca industry at ratio 70:30; 60:40; 50:50; 40:60; and 30:70 (w/w) with starter from solid waste of cattle in a batch anaerobic digester. From this research, the optimum percentage reduction of Total Suspended Solid (TSS) was 76,2289% at ratio of solid and liquid waste was 70:30 (w/w).

PENGARUH WAKTU FERMENTASI TERHADAP PERSENTASE PENYISIHAN PADATAN TERSUSPENSI TOTAL (TSS) CAMPURAN LIMBAH CAIR INDUSTRI TAPIOKA DENGAN AIR Wan Rizki Ansari; Umayi Belladiana; Setiaty Pandia
Jurnal Teknik Kimia USU Vol. 3 No. 1 (2014): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

The waste water of tapioca is the waste produced from the washing process raw materials, screening cassava porridge (extraction) and starch sediment containing organic compounds which are still important, especially starch and other compounds that can be used as raw material for the manufacture of bio gas. This study aimed to determine the effect of fermentation time on the elimination percentage of Total Suspended Solid (TSS) using batch anaerobic digester system. Research was carried out by mixing the liquid waste of tapioca industry with water in the ratio 100:0; 85:15; 65:35; 50:50;35:65, and 15:85 (v/v) with starterin an anaerobic digester system batch in which neutral pH of the mixture was set. Parameter observed was the content of Total Suspended Solid. Percentage of elimination of Total Suspended Solid was reached at the rasio of liquid waste to water 100:0 (v/v) with the optimal value of 89.851% on the 21th day.

PENGARUH WAKTU FERMENTASI TERHADAP PERSENTASE PENYISIHAN CHEMICAL OXYGEN DEMAND (COD) CAMPURAN LIMBAH CAIR INDUSTRI TAPIOKA DAN AIR Umayi Belladiana; Wan Rizki Ansari; Setiaty Pandia
Jurnal Teknik Kimia USU Vol. 3 No. 3 (2014): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

Study about the effect of fermentation time on the percentage removal of chemical oxygen demand (COD) a mixture of tapioca liquid industrial waste and water that aims to determine the effect of water quality and quantity of bio-gas generated from tapioca industrial wastewater combined with water. The research was conducted by combining tapioca industrial wastewater with water on several compositions, namely 100: 0; 85:15; 65:35; 50:50; 35:65; 15:85 (v / v) with cow dung starter in the batch anaerobic digester systems for 24 days with a neutral pH. The optimum percentage of allowance for COD at the ratio of tapioca liquid industrial waste and water at 15:85 with a value of 42.14% where the value of COD on day 0 was 1723 mg / L after day 24 was 997 mg / L .

PEMANFAATAN ADSORBEN DARI BIJI ASAM JAWA UNTUK MENURUNKAN BILANGAN PEROKSIDA PADA CPO (CRUDE PALM OIL) Agus Mangiring Siburian; Agnes Sartika Doharma Pardede; Setiaty Pandia
Jurnal Teknik Kimia USU Vol. 3 No. 4 (2014): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

This study was aimed to discover the effectiveness of tamarind seeds as adsorbent for the reduction of PV (Peroxide Value) in CPO (Crude Palm Oil) at the best adsorbent dose and contact time. Materials used were CPO, tamarind seeds, nitric acid, and distilled water. Variables observed were adsorbent : nitric acid ratio and oven temperature in adsorbent activation process, and contact time and adsorbent dose in adsorption process. This study was began with adsorbent modification, where the cleaced and crushed tamarind seeds to pass through 140 mesh were activated with 4 N nitric acid at 1:1, 1:2, 1:3 and 1:4 of adsorbent : nitric acid ratio while heated at 80 oC for 2 hours. Adsorbent was then dried in oven at 110 oC, 120 oC, 130 oC and 140 oC. Adsorbent with the higher iodine number was used in adsorption process that was carried out by heating 100 grams of CPO on hot plate at 90 oC with 1000 rpm of stirring speed, and followed by adsorbent addition of 0.5 %, 1,0 %, and 1,5 % (of CPO used) and 25, 35, and 45 minutes of contact time, and after that oil was filtered using vacuum pump. The study results showed that the best ratio of adsorbent : nitric acid 4 N was 1:2 at 130 oC of oven temperature with 511.773 mg/g of iodine number. The best adsorbent dose was 1.0 % at 35 minutes of contact time that gave higher reduction of PV with peroxide value of 0,00868 meq/kg with the reduction percentage was 39,72 %. This study showed that nitcic acid-activated adsorbent from tamarind seeds was effective to reduce PV in CPO.

Co-Authors Agnes Sartika Doharma Pardede Agus Mangiring Siburian Mimi Richell Gunawan Syervy Tanata Umayi Belladiana Wan Rizki Ansari

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