Browsing P - Mathematics and Natural Sciences by Author "Sitorus, Saibun"
Now showing items 1-9 of 9
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Adsorption of toluene and xylene from aqueous solution on SBA-15 from rice husk
Prestianggi, Y; Maylisa, N; Subagyono, RR Dirgarini; Sitorus, Saibun; Daniel (IOP Publishing Ltd., 2019-08-16)Synthesis of Santa Barbara Amorphous-15 (SBA-15) from rice husk ash (Oryza Sativa L.) as toluene and xylene adsorbents has been performed. SBA-15 was synthesised by the modified surfactant template method. SBA-15 from rice ... -
ANALISIS KADAR ION LOGAM TIMBAL (Pb2+) PADA AIR, IKAN PATIN (Pangasius pangasius), IKAN MAS (Cyprinus carpio L.) DAN IKAN NILA (Oreochromis sp.) DI DANAU BEKAS GALIAN TAMBANG BATUBARA KECAMATAN TENGGARONG SEBERANG
Sihotang, Recha DMS; Sitorus, Saibun; Gunawan, Rahmat (Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRACTAn Analysis of Lead Metal Ion Levels (Pb2+) has been conducted on water, Cat fish (Pangasius pangsius), Gold fish (Cyprinus carpio L)and Parrot fish (Oreochromis sp.)in abandoned coal mine lake in ... -
PEMANFAATAN AMPAS TAHU SEBAGAI ARANG AKTIF DALAM MENURUNKAN KADAR COD, NITRIT DAN NITRAT PADA LIMBAH CAIR INDUSTRI TAHU
Riskhi, Eka; Sitorus, Saibun (Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRACTUtilization of dregs as activated charcoal in lowering COD, Nitrite and Nitrate in tofu industry liquid waste.This research has been conducted to know the variation of time and pH value on decreasing ... -
PEMANFAATAN ARANG AKTIF DARI KULIT BUAH BINTARO (Cerbera Manghas) SEBAGAI ADSORBEN ION LOGAM Mn (II)
Margarita, Margarita; Sitorus, Saibun; Gunawan, Rahmat (Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRACTThere has been research on the utilization of activated charcoal carbon as an adsorben of cerbera manghas shell in metal ions Mn. This research was intended to find the effects of pH value, contact ... -
PEMANFAATAN DIMENSI SETTLING POND UNTUK PENURUNAN PENCEMARAN KIMIA-FISIK AIR LIMBAH PERTAMBANGAN BATUBARA
Sitorus, Saibun; M, Wahyudin (PROSIDING SEMINAR NASIONAL KIMIA BERWAWASAN LINGKUNGAN (SNK-BL) 2020, 2020)The use of settling pond dimensions in coal mining has been widely used to reduce chemical-physical pollution of wastewater. This study aims to take advantage of the dimensions of the settling ... -
PEMANFAATAN KARBON AKTIF DARI ARANG TEMPURUNG KELAPA SEBAGAI KATALIS PADA SINTESIS n-BUTIL ESTER DARI MINYAK JELANTAH
Riyanto, Rahmat Fajar; Daniel, Daniel; Sitorus, Saibun (Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRAKPenelitian tentang pemanfaatan karbon aktif dari arang tempurung kelapa sebagai katalis dalam sintesis n-butil ester telah dilakukan. Arang aktif tersulfonasi ini dibuat dengan mereaksikan ... -
PEMANFAATAN TULANG IKAN SEBAGAI ALTERNATIF PEMERKAYA FOSFOR PUPUK NPK BERBAHAN DASAR LIMBAH SLUDGE INDUSTRI SAWIT
Adiningsih, Yuni; Sitorus, Saibun (Prosiding Seminar Nasional ke 1 Tahun 2017, 2017)ABSTRAK Penelitian ini bertujuan untuk meningkatkan kandungan fosfor pupuk organik dari limbah sludge sawit sehingga diperoleh pupuk NPK dengan kandungan fosfor yang memenuhi persyaratan Standar Nasional Indonesia (SNI). ... -
PERBANDINGAN METODE DESTRUKSI WET DIGESTER DENGAN MUFFLE FURNACE PADA PENENTUAN KADAR Pb2+(TIMBAL) DALAM RAMBUT
R, Firdaus; Sitorus, Saibun (Seminar Nasional Kimia 2017, 2017)ABSTRACT An appeal has been tested for two methods of Wet Digester destruction with Muffle Furnace for determination of Pb (lead) metal ion content in hair. The Wet Digester destruction uses temperature 578oC for 4 hours ... -
PERBANDINGAN METODE DESTRUKSI WET DIGESTER DENGAN MUFFLE FURNACE PADA PENENTUAN KADAR Pb2+ (TIMBAL) DALAM RAMBUT
R, Firdaus; Sitorus, Saibun (Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRACTAn appeal has been tested for two methods of Wet Digester destruction with Muffle Furnace for determination of Pb (lead) metal ion content in hair.The Wet Digester destruction uses temperature 578oC ...