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Shinta Elystia
Department Of Environmental Engineering, Faculty Of Engineering, Universitas Riau, Kampus Bina Widya Jl. HR. Soebrantas Km 12,5 Simpang Baru, Pekanbaru 28293, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Transportation

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Evaluasi Tingkat Kebisingan Di PT PLN (Persero) Unit PLTD/G Teluk Lembu Hesti Mulyani; Aryo Sasmita; Shinta Elystia
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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PT PLN (Persero) Unit PLTD/G Teluk Lembu in its operational activities potentially able to evoke noise from generator machines. The employees that are frequently exposed to the noise can affect the employees’ health and comfort. The purpose of this research is to determine the noise’s intensity from the generator machines, the length of exposure time, and the mapping of noise spread pattern. The noise measurement method is based on KepMenLH No 48 Tahun 1996, and the device that is used is Sound Level Meter (SLM). The measurement of sound pressure level (Leq) took place for 1 day. Based on the data processing result from 13 measurement spots, there are 9 spots that exceed the quality standards based on KepmenLH No. 48 Tahun 1996. The highest loudness level is 104,17 dB where this spot located very close from the noise source, and the lowest loudness level is on 74,41 dB where the distance is quite far from the noise source. The planned noise control attempt is by using noise barrier (naturally or artificially), isolate the machines, machine care, the administration management, and the human resource management.Keyword: Loudness, noise, PLTD/G
Uji Toksisitas Akut Instalasi Pengolahan Air Limbah (Ipal) Komunal X Kota Pekanbaru Menggunakan Daphnia Magna (Dhapnia sp) Dengan Metode Whole Effluent Toxicity (WET) Vayolla Syakirah Karil; Shinta Elystia; Gunadi Priyambada
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
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X Communal Wastewater Treatment Plant (WWTP) in Pekanbaru City is one of the solutions in processing domestic waste water so that it is safe before being discharged into waters. However, the WWTP effluent test results showed the value of COD, TSS, and Ammonia that exceed the quality standard. So there is a need for WET (Whole Effluent Toxicity) testing which is one way to monitor the performance of Wastewater Treatment Plant. This research aims to determine the value of LC50, TUa and analyze the connection between the quality of waste water and the level of toxicity in waste water. Acute toxicity tests were performed by static methods within 96 hours using Daphnia Magna test animals. Mortality of Daphnia magna were analyzed using Probit Method. The value of LC50 is 5,719% and TUa value is 17,486 with category III that means wastewater is on High Acute Toxicity. Measured COD, TSS, Ammonia, and Oil & Fat parameters affect the mortality of test animals, where the value of each of these parameters is directly proportional to the death rate of Daphnia magna. Keywords: Toxicity Test, Communal WWTP, Daphnia magna, WET, LC50.
Biosorpsi Kromium (Cr) Pada Limbah Cair Industri Elektroplating Menggunakan Biomassa Ragi Roti (Saccharomyces cerevisiae) Resna Rauda Pratiwi; Shinta Elystia; Sri Rezeki Muria
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
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Electroplating industry is one of industry that produce waste water containing heavy metals. Among the heavy metals contained in the waste water is Chromium (Cr) which have a high toxicity. One technology that can be applied to set aside Cr in wastewater is by biosorption method using biomass derived from baker's yeast (Saccharomyces cerevisiae). This study aimed to study the ability of biomass yeast (Saccharomyces cerevisiae) in designated Cr in weight variation biosorbent is 0.25; 0.5 and 0.75 grams, 80 mesh size; 100 and 140 and the contact time 1; 2; 3 and 4 hours. The results showed the highest removal efficiency of Cr occurs in biosorbent weight of 0.75 grams in a size of 80 mesh and a contact time of 4 hours with an efficiency of 54.7%. Biosorption process showed that values adsorption capacity that is 3.3258 mg Cr / gr biosorbent.Keywords: biosorption, Saccharomyces cerevisiae, Cr, mesh size, contact time, heavy metals
Pemanfaatan Mikroalga Dari Limbah Cair Kelapa Sawit Menjadi Bioetanol Dengan Variasi Konsentrasi Asam Sulfat Diana Aprila; Shinta Elystia; Sri Rezeki Muria
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

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Combustion of fossil fuels is the main cause of global warming. The high dependence of fuel resource will influence the depletion of fossil resource (oil, natural gas, and coal). Therefore, it is important to develop alternative energy source continuously and environmentally friendly such as bioethanol. Green microalgae like Chlorella purenoidosa has a carbohydrate content in the cellulose and hemicellulose form in its cell wall which can be utilized for bioethanol production. In this research was conducted the conversion of microalgae Chlorella pyrenoidosa to bioethanol as renewable energy. This research aimed to study the effect of acid concentration and temperature on hydrolysis of microalgae and the effect of fermentation time to bioethanol from microalgae hydrolisate. Hydrolysis process conducted for 75 minutes with sulphuric acid concentration 1%, 2%, 3% and 4% (v/v) at 100 oC. The glucose produced was analyzed with Nelson-Somogyi method. Hydrolysis condition that produces highest glucose yield was used to make a substrate for fermentation. Fermentation process conducted for 3 days. Measurement of bioethanol concentration using refractometer. The result showed the highest glucose concentration obtained was 3.51 mg/ml and this was achieved when the hydrolysis occurred at 1% (v/v) sulphuric acid concentration. Fermentation time 3 days provide bioethanol concentration about 0,24875%.Keywords: Chlorella pyrenoidosa, hydrolysis, fermentation, bioethanol.
Penentuan Dosis Terbaik Koagulan Aluminium Sulfat Dalam Mengolah Limbah Cair Laboratorium Dengan Proses Koagulasi Dan Flokulasi Ferizal Nuurfath; Shinta Elystia; Edward HS
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
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The wastewater of Fundamental Chemical Laboratory contained very high concentration of TSS and TDS. Therefore, wastewater treatment is needed before discharge to the environment. Coagulation process is able to destablilize the particles in the wastewater to form a floc, formed floc will unite and become a larger floc through the flocculation process so it can settle. This research aim to determine the best dose of aluminium sulfate in reducing concentration of TSS and TDS. Variation of the aluminium sulfate coagulant dose is 1, 2, 3, and 4 gr/L. Based on the result, the best dose in reducing concentration of TSS and TDS was 3 gr/L with removal efficiency of TSS 78,61% and TDS 62,02%.Keywords : Aluminium Sulfate, Coagulation, Flocculation, TSS, TDS, Laboratory Watewater.
Metode Penukar Ion Dalam Penyisihan Ammonia Air Lindi Tpa Muara fajar Dengan Variasi Waktu Kontak Dan Ukuran Tanah Lempung Khodijah Khodijah; Shinta Elystia; Zultiniar Zultiniar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
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water into the garbage heap that comes from rain water, drainage channels, ground water, or other resources available around Muara Fajar landfill. Shelters Muara Fajar landfill leachate potential to generate waste that seeps into the ground and flows on the surface of the soil around the landfill. Leachate originating from shelters litter may result in increasing levels of environmental pollution in the vicinity of Muara Fajar landfill. Has done research methods ammonium ion exchangers in isolation Muara Fajar landfill leachate with contacts and measure the time variation of clay. This study aims to determine the parameters of pollutant removal efficiency of ammonia (NH3) by ion exchange method using clay and compares the characteristics of leachate treatment with quality raw KEPMENLH / 51/10/1995. This study uses clay size variations -5 + 10; -10 + 15; -15 + 20 mesh and 60 contact hours; 120; 180 minutes. The analysis shows that the leachate characteristics of NH3 concentration 38.69 mg / L indicating a high enough quality and more than raw (Minister of Environment Decree No. 51 of 1995). Having done the flow of leachate recovered pollutant concentrations decrease. Factors influence size variations of clay and contact time effect on the efficiency of reduction of concentration, the larger the mesh size (smaller diameter clay) then recovered the high efficiency of the concentration of pollutants. The results showed that the efficiency was high in clay size -15 + 20 mesh and 180-minute contact time gives the best removal efficiency of 91.12% NH3. While the efficiency of the lowest available in the size clay -5 + 10 mesh that is Ammonia of 17.13%. Cation exchange capacity of 105 earned meq / 100 g sample.Key Words: leachate, Ion exchange, clay land
Pengaruh Rasio Perbandingan Pome Dan Suspensi Mikroalga Pada Sistem Semikontinu Terhadap Laju Pertumbuhan Konsorsium Mikroalga Wenny Andini; Shinta Elystia; Sri Rezeki Muria
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

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Palm Oil Mill Effluent (POME) contains organic matter content and high pollutant load that contributes to environmental pollution. The microalgae consortia is able to utilize organic material as a source of nutrition for its growth, therefore may reduce pollutant. The aim of this research to determine effect rasio POME and microalgae consortia to growth rate microalgae. POME treatment using flat-photobioreactor with semicontinuous systems at variations POME : microalgae consortia 100:0; 80:20; 75:25; 70:30 (%, v/v). The results showed the best variation it POME : microalgae consortia in 70:30 (%, v/v), with growth rate 0,181/day, and TSS 38.000 mg/l. Keywords: Growth Rate, Microalgae Consortia, Palm Oil Mill Effluent (POME), Semicontinuous
Pemanfaatan Pestisida Nabati Dari Ekstraksi Daun Pandan Wangi Dan Umbi Bawang Putih Pretty Nova M H; Elvi Yenie; Shinta Elystia
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
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Pest control with botanical pesticides is a relatively safe alternative control for the environment by using plant extracts that contain ingredients of pesticides. The purpose of this research is to make pesticides from plant materials ie fragrant pandan leaves and bulbs of garlic and test the secondary metabolites of maximum yield. This research was conducted by the method of extraction maceration, variations in immersion time is 1, 3, 5, 7, and 9 days, the ratio of material and solvent is 1: 4, after the immersion process is filtered and the filter in the form of the filtrate and separation of secondary metabolites by rotary evaporator, and then testing the secondary metabolites. The results of the study of secondary metabolites that have been successfully tested by the method of phytochemicals which include alkaloids, flavonoids, saponins, tannins, and sulfur.Keywords: Botanical pesticides, Pandanus amaryllifolius Roxb, garlic bulbs, extraction
Pengaruh Massa Dan Waktu Kontak Adsorben Cangkang Buah Ketapang Terhadap Efisiensi Penyisihan Logam Fe Dan Zat Organik Pada Air Gambut Isra Desmita Putri; Syarfi Daud; Shinta Elystia
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Adsorption is the binding process of a molecule from the gas or liquid phase into an adsorbent from an adsorbate. Adsorption is one method of processing peat water. Tropical Almond shell is one of the organic wastes that has the potential to be used as an adsorbent because it contains cellulose, hemicellulose and lignin. The purpose of this study was to determine removal efficiency of Fe and organic matter in the peat water, calculating the adsorption capacity and determine thw appropriate type of isotherm. Variable that was given in this research consisted by mass variation 4,5 dan 6 gr and contact time of 30, 60 and 90 minutes.the resultsof the study showed the efficiency of removal of Fe and organic matter concentrations higher 53,62% and 41,39% by mass of adsorbent 6 gr with a contact time 60 minutes. Mettal adsorption capacity of Fe achieved the highest on the mass of 6 grams with a contact time of 60 minutes amounted to 0,00754 mg Fe/gr, while the adsorption capacity of organic matter achieved the highest on the mass of 4 grams with a contact time of 60 minutes as amounted to 10,125 mg organic matter/gr. Types of adsorption isotherms corresponding to Fe and organic matter by Tropical Almond Shell (Terminalia Cattapa) adsorbents is Freundlich isotherm with R2 values of 0,951 to 0,9936 for Fe and organic matter.Keyword : Adsorption, Tropical Almond shell Adsorbent, Peat Water.
Metode Multiv Soil Layering Dalam Penyisihan Parameter TSS Limbah Cair Kelapa Sawit Dengan Variasi Hydraulic Loading Rate (HLR) Dan Material Organik Pada Lapisan Anaerob Rahmadani Mutia; Shinta Elystia; Elvi Yenie
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
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This study uses Multi Soil Layering (MSL) to cultivate oil palm liquid waste. The purpose of the research was to determine the efficiency of contaminant parameter Total Suspended Solid (TSS) allowance, study of the influence factors of variation of organic material in the mix on a layer of soil anaerobic and variation of Hydraulic Loading Rate (HLR) of the efficiency of the liquid waste processing with MSL, and compare research results with Keputusan Menteri Lingkungan Hidup No. 51 in 1995. In this study used two reactors measuring 30 cm x 26 cm x 35 cm, consisting of aerobic and anaerobic layer. Aerobic layer on both the same reactor, namely the gravel and perlit measuring 3-5 mm, while the second reactor anaerobic layer is distinguished, where the soil is a mixture of 1 reactors with active charcoal coconut shell and on reactor 2 is a mixture of ground with active charcoal banana peels by a ratio of 2: 1. Liquid waste oil palm streamed with the variation of Hydraulic Loading Rate (HLR) of 500 L/m2 day, 750 L/m2 day, 1000 L/m2 day at each reactor. TSS concentration before processing by the method of MSL is 890 mg/L, and, after processing concentration TSS is down to 100-240 mg/L. Variation of organic material gives the effect on the efficiency of the allowance which the TSS on charcoal activated coconut shell that has larger pores can do more MSL maximum mechanism. Variation of Hydraulic Loading Rate (HLR) also exert influence, where the smaller the HLR is given then the efficiency will be high. Efficiency of TSS removal are 79,77-88,76% in reactor 1 and 73,03-79,77% in reactor 2.Keywords: Efficiency, Hydraulic Loading Rate (HLR), Multi Soil Layering (MSL), Palm Liquid Waste, Organic Material.
Co-Authors Ade Rani Putri Adrianto Ahmad Afrilia Geishy Karamy Aisyah Sri Lestari Aldita Meitri Dewi Aminuyati Andhika Chandra Anggraini, Melina Dwi Aprilya, Sondang Ita Aryo Sasmita Asward, Mayshara Audina, Nurul Aulia Masta Aulia, Syarifah Rizky Ayu Eka Putri Darmayanti, Indah David Andrio Davin Zamora Putra Deassy Amelia Denada Curie Denisa Nurmalia Denny Helard Dewi Fitria Dian Larasati Dian Larasati Diana Aprila Dini Aulia Sari Ermal Dwi Azrul Disyamto, Dwi Azrul Dwi Mina Intan Permadi Edward Edward Edward Hs Edward HS Elvi Yenie, Elvi Elvie Yennie Erlangga, Herta Furaida Fajri, Sandra Monica Fanani, Adita Suri Fauzani, Rhanti Fauzy Isnandar Febrian Maulana Ferizal Nuurfath Floria Christin Hadi Purnama Putra, Hadi Purnama Hafiz Hafiz Hamdani . Hamdani Hamdani Handika Resvandry Harsena Hayas Fika Harsena Hayas Fika Hasti, Fucy Adilla Hasti, Fucy Adilla Helda Sri Rahayu, Helda Sri Ifni Rimijuna Imalatunil Khaira Imalatunil Khaira Indah Darmayanti Darmayanti Indah Kartika Zulfa Indah Kartika Zulfa Iner, Alfa Insani, Suciati Dwi Irwinsyah, Irwinsyah Isabella Amalia Denisa Putri Isra Desmita Putri Ivnaini Andesgur Jaspi, Khalika Jecky Asmura Juarsa, Tri Juniwarnis Juniwarnis Juniwarnis Juniwarnis Karamy, Afrilia Geishy Kardo Kardo Khadijah Lestari Lubis Khairegtah, Said M. Fitra Khodijah Khodijah Kiki Ramadanti Kiki Ramadanti Larasati, Dian Lely Rahmawati Saragih Lidya Anggraini Lilis Anggreani Lita Darmayanti Loisa Rosalia Sitompul M. Hardi Alfarobi M. Iwan Fermi Mardhatillah, Annisa Masriza, Maya Meisy Dhyta Amelia Meisy Dhyta Amelia Mesy Susi Darsy Mesy Susri Darsi MIFTAHUL JANNAH Muhammad Faisal Dharma Muhammad Reza Mustika Chairani Mustika Chairani Mutia Nurrahmadhani Novira, Tria Bela Novita Faradisha Nur Anisyah Handayani Hasibuan Nurul Falah Pretty Nova M H Priyambada, Gunadi PURWANTI PURWANTI Putra, Anggara Putri Fatihah Zuhrah Putri Sarah Nurliana Atmaja Putri, Aulia Dewi Putri, Bella Nadiah Putriani Putriani Queen Destya Rahmadani Mutia Rahmadini Setianingsih Rani Ariyanti Regina Giantika Rehansyah, M Akhbar Resna Rauda Pratiwi Resna Rauda Putri Resty Maiyola Ricky Pribadi Rika Kristin Riri Shania Ritonga, Desrinayanti Robi Mulyadi Romadona, Syahri Roselyn Indah Kurniati Sandra Monica Fajri Sandy Juliana Sari Sanny Amir Arasy Sari, Siti Shindi Unada Shinta Indah Siahaan, Jessica Sri Indira Puspa Pertiwi Sri Indira Puspa Pertiwi Sri Rezeki Mulia Sri Rezeki Muria Syarah Adriana Syarfi Daud Syavina Ananda Tiara Adinda Toto Heri Sungkowo, Toto Heri Utami Khairunnisa Utami Utami Vayolla Syakirah Karil Vina Lestari Riyandini Vonny Meidina Rizani Vonny Meidina Rizani Wenny Andini Winda Yani Christian S Yelmida Azis Yesi Arnita Yohanes Yohanes Yudhi Hanafi Syadli, Yudhi Hanafi Yuliyana Rahmawati Yulya Yulya Yunitasari, Yonna Zultiniar Zultiniar Zultiniar Zultiniar Zultiniar Zultiniar Zultiniar Zultiniar