ABSTRACT This content can have a bad impact on the evaporator, which can cause scale. The purpose of observation from this final project is to determine the effect of the amount of sodium carbonate (Na2CO3) in the intermediate black liquor (IBL) on running time, and determine the optimal running time on evaporator #3. In the evaporator, running time is the period of time when the evaporator un…
ABSTRACT One of the departments under the auspices of Riau Prima Energi's business unit is the Power Side Water Treatment Plant division. Soft Water in Fiberline is used as dilution in bleaching process. The quality of Soft Water parameters (total hardness) must be maintained because the content of Ca and Mg will affect the next process. The regeneration process in Soft Water is carried out by…
ABSTRACT Water Treatment Plant is a department that functions to provide process water and raw materials for boiler feed water sourced from the Kampar river. Raw water from the water intake is pumped to the water treatment plant. In the water treatment process, one of the water quality parameters that must be considered is turbidity. PT. RAPP maintains a quality standard target with a maximum …
ABSTRACT In the pulp and paper industry, the recovery boiler is an important part that has a role in reducing the amount of waste and producing energy. The recovery boiler is used to burn waste material (black liquor) into ash and produce steam which will be used as the main energy. Total firing liquor and solid heavy black liquor (HBL) are factors that influence in recovery boilers. The main …
ABSTRACT PT RAPP reuses weak black liquor obtained from the pulping process with the kraft pulp method which produces residual chemicals and substances dissolved in solution in the form of a liquid called black liquor in the digester and has a concentration of 15 - 18%total solids. In order for the organic content to be burned in the recovery boiler, the weak black liquor is concentrated up to…
ABSTRACT In the world industry, to move a liquid material from one place to another, a pump is used, so the pump plays a very important role. A pump is a machine/equipment used to lift liquids from a lower surface to a higher surface or move liquids from a place of low pressure to a place of higher pressure. At PT. RAPP, in the water treatment plant (WTP) unit, has 2 PAC Pumps where one pu…
ABSTRACT Flow bio-sludge to mixing tank is the sludge flow from bio-sludge that will be transferred into the mixing tank to be processed into sludge cake, which will be used as fuel in the power boiler. The dewatering process uses a screw press, where the parameters involved are speed, torque, and feed flow. The aim of this research is to determine the effect of flow bio-sludge and screw press…
ABSTRACT An analysis of the effect of filler ratio and ash content on calipers has been carried out on several paper grades. This final project aims to determine the impacts of filler ratio and ash content on several paper grades to increase the runnability of paper machines in producing these grades. This caliper or thickness measures the thickness of a sheet of paper in micrometer units (μm…
ABSTRACT Rengat is a city that well-known as its rich historical heritage and later on Rengat has been called as “Rengat Kota Bersejarah”. That historical heritage which in a tangiable or intangiable legacy objects requires a place that can be a place to remember, understand and study so that this historical heritage can be inherited and preserved all time. Nowadays, this historical herita…
ABSTRACT Pencak silat martial arts is an original Indonesian sport that has been recognized by UNESCO as an Intangible Cultural Heritage in 2019. There are so many types of pencak silat colleges that have developed rapidly in Pekanbaru, this certainly indicates that the interest in pencak silat martial arts is quite high. However, this is contrary because in Pekanbaru itself there is no place …
ABSTRACT Acts of violence against women and children have recently occurred everywhere. The many different causative factors make this act of violence increasingly uncontrollable. The violence that occurred included physical, psychological, sexual and economic violence which had a bad psychological impact such as trauma for the victim. In Riau Province the level of cases of violence that occur…
ABSTRACT Indragiri downstream is a district that is nicknamed the "Country of the world's coconut expanses" because its territory is the largest area grown and planted with coconuts. Based on data from the directorate general of plantations taken from the district plantation service. Indragiri downstream, in 2019 the area of coconut plantations in the district. Indragiri downstream is 400,…
ABSTRACT Lapin Beach is one of the beaches located on Rupat Island, Bengkalis Regency with a beach area of ± 300 m² and covered with clean white sand. In thisbeach area every year a beach event is held called the Safar bathing event which holds various kinds of competitions such as jong, tops, kites, and so on. This research starts from the framework of thinking that Lapin Beach on Rupat…
ABSTRACT Motorcycle racing is an automotive sport, especially two-wheeled vehicles that compete with each other to achieve a victory in an organized competition. Motorcycle racing competitions are usually carried out in places that have been designed in such a way as to achieve racing standards and safety standards in the match. Currently, motorcycle racing championships are experiencing signi…
ABSTRACT The Batak tribe consists of six sub-tribes, one of which is the Batak Toba tribe. The Toba Batak people are known for their strong artistic and cultural values, such as dance and music. Toba Batak traditional music has very strong and distinctive playing values and characteristics. Toba Batak traditional musical instruments consist of many types, ranging from wind, string, picking, an…
ABSTRACT The human body's ability to breathe and maintain circulation of blood and oxygen is largely dependent on the lungs. The lungs require additional treatment because they are an important component of the respiratory system and are necessary for optimal survival. Obstructive and infectious diseases of the respiratory system are the two main categories. Respiratory diseases associated wit…
ABSTRACT The problem of environmental damage is currently increasingly complicated. Riau Province itself still has environmental damage which can have a negative impact on humans and nature. Environmental problems that are dominant in Riau include pollution and damage to coastal areas & fresh waters, damage & forest fires, flooding and air pollution. This environmental damage is not only a pro…
ABSTRACT The development of technology and science is running very rapidly. Developments in technology and science also have an impact on children. This encourages acceleration in terms of children's growth and development, which should be done gradually, continuously and continuously in the formation of children's character. Children tend to be preoccupied with enjoying everything alone so th…
ABSTRACT Along with the development of the era, the growth of science and technology is happening so fast, all countries in the world are competing in developing science and technology, including Indonesia. One form of the Indonesian government's seriousness in supporting the development of science and technology is by issuing a policy regarding the development of Regional Science and Technolo…
ABSTRACT SMA N 07 Mandau is one of the schools that provides internet facilities, but the distribution of bandwidth has not been done evenly to each client in the school laboratory. In the laboratory there are 10 computers with internet access speed of 10 Mbps. However, when the computer is used simultaneously, there will be an uneven bandwidth allocation for each computer user. This problem i…