Ditapis dengan
Pengaruh Pemakaian Sampah Plastik Ldpe (Low Density Polyethylene) Terhadap Pa…
ABSTRACT The use of environmentally friendly materials in construction is an important consideration in efforts to reduce waste, particularly plastic waste that is difficult to decompose. This study aims to investigate the effect of using LDPE (Low Density Polyethylene) plastic waste on the characteristics of paving blocks, particularly in terms of compressive strength and water absorption…
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- 1807112949
Analisis Kandungan Mikroplastik Pada Udara Kawasan Industri Tenayan
ABSTRACT Tenayan Industrial Estate has various anthropogenic activities such as industrial and population activities, many activities can affect the amount of pollutants in the air, one of which is microplastics. Microplastics can be distributed through the air due to the influence of meteorological factors. This study aims to analyze the abundance of microplastic particles in the air arou…
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- 2107112775
Aplikasi Response Surface Methodology (Rsm) Pada Optimalisasi Kondisi Proses …
ABSTRACT Chromium Hexavalent (Cr(VI)) is a type of waste that is carcinogenic and persistent in the environment. One method that can be used to remove Cr(VI) metal is the biosorption method, which utilizes microalgae immobilized with sodium alginate to achieve a stable structure. This study aims to obtain optimum conditions and empirical models for Cr(VI) removal and optical density using …
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- 2107112773
Optimasi Biosorpsi Methylene Blue Dengan Immobilized Microalgae Beads (Chlore…
ABSTRACT Methylene blue synthetic dye is carcinogenic, toxic, and flammable so it needs to be processed before being discharged into the environment. In this study, methylene blue was processed by biosorption method using immobilized Chlorella sp. microalgae (Immobilized Microalgae Beads / IMB). This study aims to obtain the optimum variables and empirical model of IMB in the removal of me…
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- 2107110273
Penggunaan Responses Surface Methodology Untuk Optimasi Penyisihan Amonia Den…
ABSTRACT Ammonia in wastewater can harm aquatic environments due to its toxicity, with LC50 values of 0.56–2.36 ppm for fish and 1.10–22.8 ppm for invertebrates within 24–96 hours of exposure. It contributes to eutrophication, microbial death, and reduced dissolved oxygen levels. Conventional are still limited, especially under high ammonia concentrations. Therefore, this study appli…
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- 2107114029
Optimasi Pengolahan Fenol Dengan Immobilized Microalgae Beads Menggunakan Res…
ABSTRACT Phenol is a toxic aromatic compound commonly found in industrial wastewater and has the potential to pollute aquatic environments. Treating phenol poses a challenge due to its resistance to biological degradation, high solubility in water, and its carcinogenic and bioaccumulative nature. Therefore, an effective and environmentally friendly treatment method is required. . One of th…
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- 2107113417
Optimasi Penyisihan Amonia Oleh Immobilized Microalgal-Bacterial Beads (Imbb)…
ABSTRACT Wastewater often contains pollutants such as ammonia, which can disrupt ecological balance. This study aimed to determine the optimum conditions, develop an empirical model, and characterize Immobilized Microalgal–Bacterial Beads (IMBB) for ammonia removal using Response Surface Methodology (RSM). The IMBB were formed by immobilizing microalgae Chlorella sp. and bacteria Nitros…
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- 2107110272
Analisis Kandungan Mikroplastik Di Udara Dari Aktivitas Transportasi Di Kecam…
ABSTRACT The rise in traffic density in urban regions presents a threat of microplastic emission into the atmosphere. Road dust now contains microplastics, which are plastic particles that range in size from 0.001 to 5 mm. Due to their little weight and ease of airborne suspension, these particles have the potential to lower air quality and endanger human health. This study is to examine t…
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- 2107113424
Analisis Hubungan Tingkat Kebisingan Dengan Noiseinduced Hearing Loss (Nihl) …
ABSTRACT PKS. X in Tapung is one of the strategic business units in supporting the production of crude palm oil (CPO). One of its main operational units is the engine room station equipped with a Genset, Back Pressure Vessel (BPV), Turbine, and Main Panel. This unit produces noise levels that exceed the Threshold Limit Value (NAB) of 85 dB(A), thus risking hearing loss in workers. This stu…
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- 2007113895
Dispersi No2, So2 Dan Partikulat Hasil Uji Emisi Boiler, Tungku Bakar Dan Gen…
ABSTRACT The PT. X Palm Oil Mill is one of the palm oil producers in Riau. In its oil processing activities, this factory emits NO2, SO2 and Particulate emissions from the boiler chimney, furnace, and generator. In order to prevent the impact of these emissions, dispersion modeling needs to be carried out using the AERMOD View application consisting of AERMET and AERMAP. The purpose of thi…
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- 1807125061
Identifikasi Dan Analisis Jejak Karbon Dari Aktivitas Head Office Pt Bumitama…
ABSTRACT Global warming caused by increased concentrations of greenhouse gases (GHGs) requires mitigation efforts from various sectors, including the office sector. This study aims to identify and analyze the carbon footprint generated from the direct and indirect activities of the Head Office of PT Bumitama Gunajaya Agro, located in South Jakarta. The method used refer…
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- 2107111375
Universitas Riau – F.Teknik – Elektroanalisis Dan Evaluasi Kriteria Green…
ABSTRACT Implementation of development on a project scale has great potential for environmental damage to occur. The building and construction sector contributed approximately 32% of global energy consumption and 34% of energy-related carbon dioxide (CO2) emissions in 2023. There has been an increase in the average daily temperature of at least 0.74ºC per year over the past two decades with t…
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- 2007113906
Pengaruh Variasi Konsentrasi Naoh Pada Karbon Aktif Limbah Baglog Jamur Tiram…
ABSTRACT Oyster mushroom baglog waste can produce 1 to 2 tons of waste in one harvest cycle. This waste has a fairly high lignocellulose content so that it has the potential to be used as a basic material for making activated carbon. This study aims to determine the effect of variations in NaOH activation concentration on the adsorption capacity of activated carbon from baglog waste in rem…
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- 20071113901
Bioremediasi Tanah Terkontaminasi Minyak Bumi Dengan Variasi Rasio Nutrien Da…
ABSTRACT Petroleum spills on soil can cause significant environmental impacts and pose a great danger to humans and other living things. Petroleum is a hazardous and toxic material so that petroleum contaminated soil needs to be managed properly. Bioremediation is the most efficient process in degrading petroleum in soil by utilizing microorganisms. Microorganisms require nutrients C, N, and P…
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- 2007113905
Pengaruh Waktu Kontak Dan Debit Aliran Terhadap Penyisihan Kadar Fe Pada Air …
ABSTRACT Groundwater in peat areas has a high Fe content. One method of processing to remove Fe levels in groundwater in peat areas is the aeration method using a cascade aerator. Aeration is the process of adding oxygen to water so that it can cause an Fe oxidation reaction which will form Fe(OH)3 precipitates. This research aims to analyze the ability of cascade aerators to reduce Fe le…
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- 1807111270
Bioremediasi Tanah Terkontaminasi Minyak Bumi Menggunakan Pupuk Kascing, Eco-…
ABSTRACT The high production of petroleum increases the potential for soil pollution due to petroleum spills. Petroleum consists of petroleum hydrocarbon (PH) compounds that can be detrimental to the environment. Bioremediation is the most suitable technique to remove petroleum contaminants. Therefore, this study aimed to obtain the optimum composition of biostimulants through biostimulation w…
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- 2007125624
Regenerasi Kimiaadsorben Karbon Aktif Tongkol Jagung Dengan Variasi Jenis Dan…
ABSTRAK Activated carbon has been widely used to remove organic and inorganic pollutants from water and wastewater. The use of activated carbon as an adsorbent in the adsorption process will produce saturated adsorbents which when they reach their maximum adsorption capacity will cause a decrease in adsorption effectiveness, so that the adsorbent is no longer able to absorb pollutants/ contami…
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- 2007114011
Pengaruh Penambahan Limbah Plastik Polyethylene Terhadap Kuat Tekan Paving Block
ABSTRACT Polyethylene waste is one of the plastic wastes that can be utilized in the construction industry. This research aims to study the use of polyethylene waste as a substitute for sand in the mixture for making paving blocks. The quality of paving blocks is determined by compressive strength testing. This research was designed with a mixture ratio of polyethylene, namely 5%, 10%, 15%…
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- 1907156306
Analisis Konsentrasi Pm2.5, Co Dan No2 Serta Laju Pembakaran Biopelet Dari Am…
ABSTRACT Sago pulp is a biomass waste that is rich in cellulose and starch as a by-product produced by sago flour processing factories that have not been optimally utilized. In this study, sago pulp waste is processed into biopellets as an alternative energy source to replace fuel in households. This study aims to analyze the physical characteristics of biopellets and determine the best variat…
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- 2007113896
Sintesis Dan Karakterisasi Karbon Aktif Dari Tandan Kosong Sawit Sebagai Ad…
ABSTRACT Empty Palm Fruit Bunch (EFB) is a by-product of the palm oil industry that is abundant in Riau Province. The high cellulose content in EFB has the potential to be developed as a basic material for making activated carbon, which is the type of adsorbent most widely developed for heavy metal adsorption. This study aims to analyze the best carbonization temperature and time on the qu…
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- 2007113894
Karya Umum 
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Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
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Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah