Garuda - Garba Rujukan Digital

Pengaruh Dosis Adsorben Dan Yang Telah Diaktivasi Waktu Kontak Terhadap Penyisihan Logam Besi (Fe) Dan Warna Air Gambut Menggunakan Adsorben Tanah Lempung Gambut Dita Yusrita; Syarfi Daud; Edward HS
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Quantitatively, peat water has the potential to be a source of water that can be processed into clean water, but qualitatively the utilization of peat water is still experiencing problems such as high iron (Fe) content and high color. The use of peat water in the long term will have a negative impact on health, so it needs to be processed into clean water. This study aims to study the effect of adsorbent dose and contact time on the efficiency of removal of iron (Fe) and the color of peat water and the adsorption capacity of the adsorption process using physically activated peat clay as an adsorbent. This study varied the adsorbent dose of 4 g/L, 8 g/L and 12 g/L with adsorbent particle size -100 +120 mesh and contact time variations of 120 minutes, 140 minutes and 160 minutes with a stirring speed of 150 rpm. The results showed that the best effect on the removal efficiency was obtained at an adsorbent dose of 12 g/L and a contact time of 160 minutes with a metal removal efficiency of 84.42% and a color removal efficiency of 96.41%. The best effect on the adsorption capacity was the adsorbent dose of 4 g/L and a contact time of 160 minutes with a value of iron (Fe) adsorption capacity of 0.250 mg/g and a color adsorption capacity value of 114.68 mg/g.Keywords: Peat Water, Peat Clay, Adsorption, Physical Activation, Iron Metal (Fe) and Color

Pengaruh Perbandingan Rasio Tandan Kosong Sawit (TKS) Dan Lumpur IPAL Minyak Sawit Terhadap Nilai Kalor Briket Abdil Aziz Al Hakim; Elvi Yenie; Edward HS
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 1 Januari s/d Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Energy needs at this time still depend on fossil fuels that can not be renewed, therefore we need alternative fuels that are renewable, environmentally friendly and economical, one of which is briquettes. Variations in the variables used were composition of waste oil palm empty fruit bunches and oil palm sludge, namely 90%: 10%, 80%: 20%, 70%: 30%, and 60%: 40%. The results showed that the best heating value of briquettes and compressive strength of briquettes were found in the composition of raw materials 90%: 10% with the heating value of 5098.82 cal / gr.Keywords: briquettes, oil palm empty fruit bunches, palm oil WWTP sludge.

Metoda Multi Soil Layering Dalam Pengolahan Air Gambut Dengan Variasi Hydraulic Loading Rate Dan Material Organik Pada Lapisan Anaerob Tiara Adinda; Shinta Elystia; Edward HS
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Peat water has characteristics which are: maroon, content high organic matter and the iron also high enough, the taste is sour with pH 3-5, and low hardness (Idaman, 1999). Generally, people who live in areas such as Kabupaten Kampar are difficult to obtain clean water because only water from the river that exist which is peat water, so they use the rain water for daily needs, even though some of them use Mineral Water (Branded Water Gallon ) with the expensive price. During the dry season, people forced to use the peat water for daily needs such as cooking, washing, and toilet. If it is done continuously, it will cause disruption to health such as skin diseases, diarrhea, and others. In this research, an attempt has been made to peat water change into clean water using Multi-Soil-Layering method (MSL). The variable in this research is an organic material in an anaerobic layer which is an active banana peel charcoal and active coconut shell charcoal. This research aims to determine the efficiency of removal parameters pollutant, such as: pH, turbidity, and Mn on peat with MSL method, to study the influence of variation of organic material in the soil mixture in the anaerobic layers and variations of Hydraulic Loading Rate (HLR) to the efficiency water treatment peat with MSL method, and compare the results with PERMENKES No.416 of 1990 about Monitoring Terms and Water Quality and Regulation No. 82 of 2001 on Water Quality Management and Water Pollution Control. Optimal results which is obtained in the HLR 500l/m2days are pH from 6.51 to 6.82, Mn Metals, and turbidity decreased from 1.277mg/l, 44.56 NTU into 0.500mg/l, and 3.18NTU.Keywords:WaterPeat, MultiSoilLayering, Hydroulic Loading Rate, Variation Organic Material

Penyisihan Logam Mangan (Mn) Dalam Air Tanah Pada Proses Aerasi Menggunakan Kombinasi Cascade Aerator Dan Arang Aktif Davin Zamora Putra; Edward HS; Shinta Elystia
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

The Levels of Mn are metals in the ground water. The high levels of Mn in ground water can be processed using either advanced technology or simple technology. One technology that can be applied to set aside Mn is aeration. Aeration is the addition process of oxygen into the water to make oxidation reaction of Mn which then will cause sediment MnO2. The aim of this research is to study the cascade aerator ability in removing Mn levels in groundwater with variation of discharge 50, 60, 70, 80, 90 ml/s and the addition of activated carbon. Then calculate the value of gas transfer coefficient (KLa) in aeration process using cascade aerator. Mn levels before aeration of 0.4 mg/l for Mn. The results showed that the highest removal efficiency of Mn occurred at optimum discharge 90 ml/s using activated carbon with efficiency of 99,2%. While the lowest efficiency occurred at 50 ml/s discharge without activated carbon with efficiency of 94.6%. As well as the highest gas transfer coefficient value obtained in the experiments of 90 ml/s of 0.046/min.Keywords: aeration, cascade aerator, manganese (Mn), activated carbon, discharge, gas transfer coefficient (KLa)

Pengaruh Ukuran Partikel Dan Waktu Kontak Terhadap Penyisihan Zat Organik Dan Mangan (Mn) Pada Air Gambut Menggunakan Tanah Lempung Gambut Yang Diaktivasi Asam Sulfat Sebagai Adsorben Nurul Rahmatika Putri; Syarfi Daud; Edward HS
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Domestic wastewater contributes greatly to water pollution in urban areas because the application Peat water contains high levels of Mn, Fe and organic substances. If used continuously for a long time can cause negative impacts such as health problems so it needs special processing in order to become clean water. This study aims to determine the influence of particle size and contact time on the efficiency of allowance of organic and manganese substances (Mn) in peat water as well as adsorption capacity in the adsorption process using chemically activated peat clay soil with sulfuric acid as an adsorbent. The study varied the size of adsorbent particles -20 +40, -60 +80 and -80 +100 mesh with adsorbent mass of 6 gr/L and contact time variations of 120, 140 and 160 minutes with stirring speed of 150 rpm. The results showed the allowance of organic substances and manganese (Mn) was best obtained at adsorbent particle size -80 +100 mesh and contact time of 160 minutes with an organic substance allowance efficiency value of 85.31% and manganese (Mn) of 82.27%. The best adsorption capacity is achieved at -80 +100 mesh particle size and 160 minutes contact time with organic substance adsorption capacity value of 61.58 mg/g and manganese (Mn) of 0.099 mg/g.Keywords: Peat Water, Peat Clay Soil, Adsorption, Chemical Activation, Organic Substances and Manganese (Mn)

Pengaruh Massa Dan Waktu Kontak Adsorben Dari Tanah Gambut Dalam Penyisihan Logam Besi (Fe) , Logam Mangan (Mn) Dan Warna Pada Air Gambut Mila Safitri; Edward HS; Syarfi Daud
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Peat soil as an adsorbent in peat water treatment is located in Sabak Permai Village, Sabak Auh District, Siak Regency. This study aims to study the effect of mass variation and contact time of peat soil adsorbent on the efficiency of Fe, Mn and color removal in peat water. The experiment was carried out by adsorption at a speed of 125 rpm by varying the mass (5, 10, 15, 20 g/L) and contact time (120, 150, 180, 210 minutes). While the fixed variables are 10% Phosphoric Acid Activator, 3000C Heating and 80 mesh particle size. The concentration of iron metal removal (Fe) was 0.449 mg/L with a percentage of 88.66%, Manganese (Mn) was 0.081 mg/L with a percentage of 90.75% and color removal in peat water was 380.5 PtCo. with a percentage of 71.5%. The adsorption capacity of peat water on Fe metal is 3.618 mg/gr, Manganese Mn is 0.796 mg/gr and color 1.259 mg/g organic matter is 294.2 mg/gr and iron (Fe) is 3.91 mg/gr at a mass of 20 grams and a time of 210 minutes. Keywords: Peat Soil, Peat Water, Adsorption, Removal Efficiency, Adsorption Capacity

Pemanfaatan Mikrolaga Chlorella sp Yang Diimmobilisasi Dalam Proses Penyisihan Logam Cr Pada Limbah Cair Industri Elektroplating Ayu Eka Putri; Shinta Elystia; Edward HS
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

The presence of Chromium (Cr) in electroplating wastewater is a major environmental problem. That toxicity and non-biodegradable where should be eliminated from water. Chlorella sp immobilized in calcium alginate is one of technology that can reduce the concentration of Cr in the electroplating wastewater quickly and without produced sludge. The data were analyzed using AAS on variation cell density in alga beads (0; 1,53x108; 1,76x107; 1,54x106 cells / beads) and contact time (0, 12, 24, 36 and 48 hours). The result showed that the highest removal efficiency of Cr occured at cell density 1,54x106 cells/beads and contact time 48 hours with efficiency of 52,04%.Keywords: biosorption, microalgae, Chlorella sp, cell density, contact time, Cr, electroplating wastewater

Penyisihan Logam Cr (VI) dari Limbah Cair Elektroplating Menggunakan Mikroalga Chlorella sp. dengan Variasi Penambahan External-Glutathione Shinta Elystia; Edward HS; Afrilia Geishy Karamy
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2606

Electroplating wastewater containing metal Cr (VI), which has a high toxicity. An alternative treatment is absorbed using microalgae Chlorella sp. Chlorella sp. has the ability to synthesize glutathione phytochelatin (GSH) to respond to the toxic effects of heavy metals. If the micro algae cannot synthesize phytochelatin properly, the cells will die due to exposure to heavy metals in a long contact time. In this study, GSH was added to the metal biosorption process by micro algae Chlorella sp. This study aimed on determining the effect of the adding GSH during the biosorption process. The study was conducted with variations of GSH (0, 5, 10, and 15 mg/L) and variations of contact time (1, 2, 3, and 4 days). The results of this study show that high cell density occurred in the reactor with the addition of GSH 15 mg/L which is 1.72x106 cells/ml. The highest removal of Cr (VI) metal occurred in 4 day contact with the addition of GSH 15 mg/L and obtained a 72% removal efficiency.

Penyisihan Logam Cr (VI) dari Limbah Cair Elektroplating Menggunakan Mikroalga Chlorella sp. dengan Variasi Penambahan External-Glutathione Shinta Elystia; Edward HS; Afrilia Geishy Karamy
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2606

Electroplating wastewater containing metal Cr (VI), which has a high toxicity. An alternative treatment is absorbed using microalgae Chlorella sp. Chlorella sp. has the ability to synthesize glutathione phytochelatin (GSH) to respond to the toxic effects of heavy metals. If the micro algae cannot synthesize phytochelatin properly, the cells will die due to exposure to heavy metals in a long contact time. In this study, GSH was added to the metal biosorption process by micro algae Chlorella sp. This study aimed on determining the effect of the adding GSH during the biosorption process. The study was conducted with variations of GSH (0, 5, 10, and 15 mg/L) and variations of contact time (1, 2, 3, and 4 days). The results of this study show that high cell density occurred in the reactor with the addition of GSH 15 mg/L which is 1.72x106 cells/ml. The highest removal of Cr (VI) metal occurred in 4 day contact with the addition of GSH 15 mg/L and obtained a 72% removal efficiency.

Title

Found 29 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 29 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 29 Documents
Search