Ditapis dengan
Pengolahan Limbah Cair Tahu Menggunakan Rotary Algae Biofilm Reactor (Rabr) D…
ABSTRACT Untreated liquid waste from tofu production, if directly disposed of without any treatment, will cause pollution. Therefore, it is necessary to treat the waste before it is discharged into the environment. The process used in the treatment of liquid tofu waste is biological treatment, utilizing the symbiosis of microalgae and bacteria to reduce pollutant parameters. This is achieved t…
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- Judul Seri
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- 1907124324
Rancang Bangun Pengukur Tinggi Badan Otomatis Pada Wahana Hiburan Berbasis Ar…
ABSTRACT The ability to measure height is still fairly manual and requires sophisticated technology by just standing and knowing their height. Therefore, a device with a height detection system and audio output is required. The purpose of this research is to design a digital height measuring device using an ultrasonic sensor and an arduino uno-based buzzer. This tool is designed using Arduino …
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- 1907036417
Rancang Bangun Motor Induksi 3-Fasa Rotor Sangkar Putaran Tinggi Untuk Pengge…
ABSTRACT One of the most widely used electric motors as a drive is the 3-phase induction motor, because the construction is simpler and the rotation is relatively more constant with load changes compared to other types of electric motors. Based on the background above, the author is interested in understanding the principles and workings, designing and making and testing the ability of the des…
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- 1907035866
Pengaruh Kenaikan Nilai Effective Alkali Terhadap Laju Penguapan Weak Black L…
ABSTRACT Black liquor is a by-product of the remaining cooking solution in the Paper industry, which is a high viscosity organic alkaline mixture which contains water, lignin, cellulose, and inorganic sodium salts. Weak Black Liquor or WBL obtained from pulp washing generally contains 15-16% solid content. This WBL must be concentrated up to 80-82% or commonly called firing liquor and then sen…
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- 2007026768
“Titik Optimal Penggunaan Surface Optical Brightening Agent (Oba) Terhadap …
ABSTRACT At this time, the development of the paper industry experienced a rapid increase, so that the paper industry was required to be able to meet the demand for quality paper for the needs of the global market. One way to meet paper quality is to go through several components in a paper machine and add chemicals to become paper that has the required quality. Chemicals added to meet paper q…
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- 2007036540
Evaluasi Intensitas Kebisingan Lingkungan Kerja Pabrik Kelapa Sawit Pt. Bina …
ABSTRACT Noise had the potential to affect comfort and health, especially from the operational activities of palm oil mill equipment. The risk of hearing damage to employees could be caused by noise exposure due to high noise levels or excessive cumulative exposure time. This study aimed to analyze the noise of the work environment at PT Bina Pitri Jaya, determined the maximum time of expo…
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- 1607115641
Evaluasi Tingkat Kebisingan Dari Aktifitas Pasar Simpang Baru Panam Pekanbaru
ABSTRACT Noise is an environmental hazard caused by excessive sound intensity. According to Minister of Environment Regulation No. 48 of 1996, noise refers to unwanted sounds from activities or operations that, at certain levels and durations, can disrupt human health and cause work accidents. This research aims to analyze environmental noise in the surroundings of Simpang Baru Panam Market, m…
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- 1607113394
Analisis Konsentrasi Dan Kandungan Logam (Pb) Dalam Debu Jatuh (Dustfall) Di …
ABSTRACT Pekanbaru City is one of the cities that has experienced an increase in the physical development of the city and the population. This results in higher population density. The pollutant that has a significant impact is falling dust. This study aims to determine the concentration of falling dust and Pb content in falling dust. The research method used was the gravimetric method and tes…
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- 1607111357
Efektivitas Kultur Semi Kontinu Dalam Produksi Lipid Mikroalga Chlorella Sp. …
ABSTRACT The development of the tofu industry in Indonesia is very rapid along with the increasing consumption needs of the community, this can cause environmental problems due to the waste water produced. The high organic compounds contained in tofu liquid waste is evidence that COD concentrations are increasing and if discharged into waters without prior treatment it causes pollution. The so…
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- 1907110531
Daya Jerap Dan Efektivitas Karbon Aktif Pelepah Kelapa Sawit (Elaeis Guineens…
ABSTRACT The rapid development of the oil palm plantation industry is currently causing more and more waste to be formed, one of which is palm oil frond waste. Palm fronds have a carbon content of 81.25% which is quite high so that they can be used as activated carbon as an adsorbent which is useful for anticipating or minimizing Cu2+ ion pollution in the environment. This study aims to study …
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- 2007026627
Daya Jerap Dan Efektivitas Karbon Aktif Pelepah Kelapa Sawit (Elaeis Guineens…
ABSTRACT The rapid development of the oil palm plantation industry is currently causing more and more waste to be formed, one of which is palm oil frond waste. Palm fronds have a carbon content of 81.25% which is quite high so that they can be used as activated carbon as an adsorbent which is useful for anticipating or minimizing Cu2+ ion pollution in the environment. This study aims to study …
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- 2007026602
Rancang Bangun Kipas Angin Otomatis Berbasis Mikrokontroler Menggunakan Senso…
ABSTRACT The temperature of the human body can easily change according to the surrounding temperature. Indonesia's tropical climate and global warming are also other factors that make the weather unpredictable. To overcome this problem, a tool is needed to help stabilize the temperature in the human body. One of these auxiliary tools is a fan, but the fans that are widely used today are still …
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- 1807035809
Rancang Bangun Sistem Perhitungan Tarif Parkir Mobil Otomatis Berbasis Arduino
ABSTRACT Microcontroller technology in industry is programmed in such a way as to be able to control equipment or machines automatically, in order to save time and human effort, for example problems in the parking system, can be controlled by technology, by designing a simple parking system using a microcontroller. Based on this, the researcher felt the need to make an automatic car parking r…
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- 1807035920
Pengaruh Berat Inlet Dan Kualitas Inlet Pin Chip Terhadap Nilai Performance P…
ABSTRACT Chip pin processing plays an important role in the pulping production process. Pin chip separation was carried out on the pin screen diamond roll acrowood machine which aims to separate pin chips from fines. A decrease in the performance of the diamond roll acrowood pin screen machine will reduce pulp production at PT RAPP. The purpose of this research is to study the factors influenc…
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- 2007024979
“Analisis Optimalisasi Energy Consumption Pada Unit Lime Kiln #2”
ABSTRACT Recausticizing Lime Kiln is one of the areas in PT RAPP which is responsible for producing white liquor cooking liquid for wood chip cooking needs in the digester. In the process, the causticizing reaction produces a byproduct in the form of lime mud (CaCO3) which can be converted back into burnt lime (CaO). This process requires a lime kiln unit to burn lime mud so that a calcination…
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- 2007024981
Analisis Pengaruh Freeness Terhadap Nilai Internal Bonding Pada Kertas Offset…
ABSTRACT At this time, one type of paper that is in great demand is the offset paper type. One of the qualities that must be met on offset paper is that the paper has a good internal bond. The internal bond value is closely related to the refining process, refining load and cationic starch. With the increase in the internal value of the bond, the strength properties of the paper will be better…
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- 2007036588
Pengaruh Cod Dan Vapour Inlet Terhadap Efisiensi Stripping Di Evaporator Plan…
ABSTRACT Black liquor or WBL is obtained from washing pulp generally has a solid content of 15-16%. This WBL must be concentrated until it reaches 80-82% or it can be called Firing Liquor. The unit used to concentrate WBL is called evaporation plant unit. The results of the process in the evaporator unit are firing liquor and condensate. One of the condensates, namely condensate C (foul c…
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- 2007036545
Analisa Pengaruh Flow Steam Terhadap Kualitas Weak Chlorate Pada Evaporator D…
ABSTRACT In the chemical plant department, chlorine dioxide is produced by reacting strong chlorate and hydrochloric acid. Strong chlorate is produced in the electrolysis process that occurs in the electrolyzer. Then, the strong chlorate that is formed will be reacted with HCl in the generator and then leave a weak chlorate solution which overflows to the evaporator. Weak chlorate evaporator i…
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- 2007036862
Efektivitas Penggunaan Bacl2 Terhadap Penurunan Kadar Na2so4 Pada Proses Pemu…
ABSTRACT Sodium hydroxide (NaOH) is a chemical used to help remove lignin or delignification which can damage the color of the pulp which is used in the cooking process in the digester. In the chemical plant department, NaOH is produced by a chlor alkali plant using a salt solution as raw material having a concentration of 300 ± 5 gpl. The salt solution used to produce NaOH will be purified f…
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- 2007036861
Study Runability Sistem Sizer Baru Di Paper Machine 2 Pt.Rapp
ABSTRACT The runability of a paper machine is one of the most important things in producing quality paper. If the runability is good, it can produce more paper products and can reduce production costs. Uneven starch and streak are problems that are often found in sizers, which are part of the paper machine. The runability of the old sizer system in PT RAPP's paper machine 2 had a splashing pro…
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- 2007036578
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