Ditapis dengan
Pengaruh Variasi Konsentrasi Promi Dan Waktu Pengomposan Terhadap Kualitas Ko…
ABSTRACT Oyster mushroom baglog waste is a residual growing medium left after oyster mushroom cultivation that is no longer productive if not managed properly, it can cause enviromental problems. This study aims to determine the effect of varying Promi concentrations and composting durations on the quality of compost produced from oyster mushroom baglog waste. The method used is anaerobic deco…
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- Judul Seri
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- 2207025606
Pembuatan Pasta Gigi Menggunakan Ekstrak Kulit Jeruk Nipis Sebagai Zat Aditif
ABSTRACT Toothpaste is a preparation for cleaning and polishing the surface of teeth consisting of fine CaCO3 (calcium carbonate), mixed with glycerin plus natural ingredients to inhibit the growth of germs and provide a fresh taste so that users like it. This study used variations of betel leaf extract with the maceration method. The solvent used must be able to extract the desired substance …
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- 2207025594
Pengaruh Perbandingan Komposisi Baglog Jamur Tiram (Pleurotus Ostreatus) Dan …
ABSTRACT The increasing production of oyster mushrooms (Pleurotus ostreatus) has led to a significant rise in baglog waste. This waste has the potential to pollute the environment if not properly utilized. One way to manage this waste is by processing it into compost. However, the low nitrogen content in baglog waste necessitates the addition of other materials, such as cow manure and bioactiv…
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- 2207025602
Pengaruh Perbandingan Komposisi Baglog Jamur Tiram (Pleurotus Ostreatus) Dan …
ABSTRACT The increasing production of oyster mushrooms (Pleurotus ostreatus) has led to a significant rise in baglog waste. This waste has the potential to pollute the environment if not properly utilized. One way to manage this waste is by processing it into compost. However, the low nitrogen content in baglog waste necessitates the addition of other materials, such as cow manure and bioactiv…
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- 2207036178
Pengaruh Jenis Aktivator Dan Konsentrasi Terhadap Daya Jerap Sekam Padi Sebag…
ABSTRACT Rice husk is an organic material that has a high lignocellulose content, making it potential for use as an adsorbent. One method of preparing adsorbents is through activation with Sodium Hydroxide (NaOH), Phosphoric acid (H3PO4), and without activation. The aim of this research is to study the effect of varying concentrations of NaOH and H3PO4 as activators on the adsorption capac…
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- 2207036158
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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- No. Panggil
- 2007113896
Analisis Partial Discharge Pada Saluran Kabel Tegangan Menengah Menggunakan M…
ABSTRACT Partial Discharge (PD) is an early indicator of insulation degradation in medium-voltage cables, which may lead to severe failures in the power distribution system if not detected at an early stage. This study aims to analyze the condition of 20 kV medium-voltage cable lines using the Oscillating Wave Test System (OWTS) method based on a Damped Alternating Current (DAC) voltage source…
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- 2107124330
Identifikasi Dan Klasifikasi Gangguan Pada Sistem Tenaga Dengan Wavelet Trans…
ABSTRACT Faults in electrical transmission lines, especially short-circuit faults, can cause power system instability and damage electrical equipment, making accurate identification and classification methods essential. This study aims to develop a fault detection method using Wavelet Transform (WT) for feature extraction and Radial Basis Function Neural Network (RBFNN) for classification.…
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- 2107112357
Pengaruh Perlakuan Bahan Dan Pemanasan Pada Pembuatan Ragi Alami Dari Ferment…
ABSTRACT Instant bread yeast is a common leavening agent used in bread making and contains the microorganism Saccharomyces cerevisiae. However, natural yeast is now being considered as an alternative due to its several advantages, including the ability to enrich flavor, extend product shelf life, and be more easily digested. This research aims to produce natural yeast through the fermentation …
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- 2207025592
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
Pengaruh Ph Dan Kecepatan Pengadukan Terhadap Adsorpsi Logam Pb Dan Cu Menggu…
ABSTRACT Printing wastewater contains heavy metals such as lead (Pb) and copper (Cu), which are toxic. This study aimed to evaluate the effect of pH and stirring speed on the adsorption efficiency and capacity of Pb and Cu using a composite adsorbent of Spent Bleaching Earth (SBE) and Spent Mushroom Substrate (SMS) with a composition ratio of 25% SBE and 75% SMS. Characterization was conducted…
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- 2007110364
Proses Adsorpsi Logam Pb Dan Cu Menggunakan Adsorben Komposit Spent Mushroom …
ABSTRACT Industrial printing wastewater contains heavy metals such as lead (Pb) and copper (Cu), which are toxic and difficult to degrade, thus requiring an effective treatment method. One alternative to reduce heavy metals is the adsorption method using a composite adsorbent made from Spent Mushroom Substrate (SMS) and Spent Bleaching Earth (SBE). This study aims to determine the removal …
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- 2007110737
Pengaruh Variasi Komposisi Serasah Daun Dan Ranting Terhadap Karakteristik Bi…
ABSTRACT The problem of leaf litter and ketapang twig accumulation at the Faculty of Engineering, University of Riau, has prompted innovative efforts in its management. One approach that can be taken is to apply TOSS (Waste Management Technology at the Source) in managing this waste. This study aims to analyze the physical characteristics of biopellets produced from the TOSS biodrying pro…
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- 2007134774
Pemanfaatan Tandan Kosong Sawit Sebagai Adsorben Logam Cu2+ Menggunakan Aktiv…
ABSTRACT The increase in palm oil production in Indonesia produces abundant solid waste, one of which is empty oil palm bunches (EFB) which has the potential to be used as raw material for activated carbon. This study aims to analyze the best concentration and activation time on the quality of EFB activated carbon, the ability of EFB activated carbon to adsorb Cu²⁺ metal ions, and to an…
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- 2007110731
Pemanfaatan Spent Mushroom Substrat Coprinus Comatus Sebagai Biosorben Logam …
ABSTRACT Liquid waste produced by industry contains various kinds of chemical compounds that are difficult to dissolve such as lead metal from the pulp and paper industry and copper from the electroplating industry, so it is necessary to treat industrial liquid waste. The aim of this study is to obtain the optimal contact time and pH in the bioabsorption of heavy metals Pb(II) and Cu(II) by ca…
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- 190711865
Pemanfaatan Limbah Plastik Polypropylene Dan Abu Sekam Padi Dalam Pembuatan P…
ABSTRACT Rice production in Riau Province in 2023 reached 205.97 thousand tons from 51.91 thousand hectares of land, generating a large amount of rice husk waste. When burned completely, rice husks produce ash with pozzolanic properties, which has the potential to be used as a substitute for cement in paving block production. Plastic waste, especially the polypropylene type, is elastic and…
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- 1907124381
Karakterisasi Serta Regenerasi Adsorben Komposit Spent Mushroom Substrate (Sm…
ABSTRACT Heavy metals such as Cu and Pb are hazardous pollutants that are toxic, persistent, and capable of accumulating in living organisms. The concentration of heavy metals exceeding the quality standards in wastewater requires further treatment before being discharged into the environment. Adsorption is an effective and economical method for reducing heavy metal content. This study aim…
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- 2007125619
Simulasi Dan Analisis Penggunaan Unified Power Quality Conditioner (Upqc) Pad…
ABSTRACT Power quality disturbances in the Distribution Network cause losses both from the generation side and from the load side, therefore a mechanism is needed that can anticipate these problems. This research offers a method that is able to overcome these problems. Especially related to disturbances caused by Voltage sag, Voltage swell due to changes in load characteristics in the repeater…
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- 2007113987
Perancangan Sekolah Alam (Tingkat Menengah Pertama) Dengan Pendekatan Arsitek…
ABSTRACT The people of Pekanbaru have a high interest in education, this can be seen from the high interest in sending their children to public and private schools. However, Pekanbaru has challenges and educational problems in terms of school facilities. School facilities in Pekanbaru at the junior high school level are experiencing a lack of facilities, this can be seen from the decrease in t…
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- 1907155768
Perancangan Pusat Musik Modern Dengan Pendekatan Arsitektur Folding Di Pekanbaru
ABSTRACT Modern music has become an essential part of human life as time progresses, serving as entertainment, self-expression, and a tool for learning. The interest in modern music has grown, especially among the younger generation. This can be seen in the numerous concerts held by famous artists in Pekanbaru, as well as the many music-related facilities available. However, facilities to supp…
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- 2107134486
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah