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…
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…
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…
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…
ABSTRACT Pekanbaru City, the capital of Riau Province, has various major events or events every year, even every few months. This is because Pekanbaru City is experiencing development and growth in the economic, business, and tourism sectors, where demand is increasing for venues for events, businesses, and exhibitions that can accommodate various types of sectors. These events or events are P…
ABSTRACT Silica gel is one of the silica-based materials that has quite extensive uses such as in the pharmaceutical industry, ceramics, paints and special applications in the chemical field. This study aims to synthesize silica gel from Bengkalis Beach sand by varying the concentration of HCl during gel formation. Silica gel is synthesized through several stages starting with the leaching pro…
ABSTRACT Silica gel is one of the silica-based materials that has quite extensive uses such as in the pharmaceutical industry, ceramics, paints and special applications in the chemical field. This study aims to synthesize silica gel from Bengkalis Beach sand by varying the concentration of HCl during gel formation. Silica gel is synthesized through several stages starting with the leaching pro…
ABSTRACT The increase in the number of laundry services will be directly proportional to the amount of liquid waste generated at the end of the activity. Therefore, it is necessary to develop effective and environmentally friendly waste treatment methods. The adsorption process is still the best choice for liquid waste treatment, especially if it uses environmentally friendly adsorbents, for e…
ABSTRACT Instant yeast is a leavening agent in making bread containing microorganisms of the Saccharomyces cerevisiae type. However, sourdough is now starting to be considered as an alternative because it has several advantages, including being able to enrich the taste, extend the shelf life of the product, and being easier to digest. This study aims to produce natural yeast through fermentati…
The aim of this research was to gain insights into the productivity nurses at Sansani Hospital Pekanbaru in relation to occupational safety and health (K3) as well as work discipline. In this context, occuptanional safet and health (K3) and work discipline serve as indenpendet variables, while nurses’ woek productivity is the dependent variable. The issue at hand is a decrease in the producti…
The purpose of this study is to find out more about how incentives and organizational climate affect employee productivity at Winstar Hotel Pekanbaru. Employee productivity as the dependent variable, incentives and organizational climate as independent variables. The problem is that there has been sales instability in the last five years and also criticism from customers about hotel services an…
The purpose of this study was to find out more about how occupational safety and health (OHS) and work incentives affect the productivity of production employees at PT. Panca Eka Bina Plywood Industry. Employee productivity as the dependent variable, occupational safety and health (OHS) and work incentives as independent variables. The problem is that there has been a decline in productivity as…
Profitability shows how efficiently a company manages its revenues and costs to generate profits. One of the non-oil and gas industry sectors that is the fourth largest contributor to Indonesia and is included in the priorities in the 2015-2035 National Industrial Development Master Plan (RIPIN) for the Indonesian economy is the Chemical, Pharmaceutical and Traditional Medicine Industry. Fluctu…
This study aims to assess the service quality provided by CV. Bilava Tour to its guests and the impact of slow responses on service quality. The research method used is descriptive qualitative research with techniques for data collection, data reduction, data presentation, and conclusion drawing. The findings of this study indicate that: first, the service quality of CV. Bilava Tour has not bee…
The community actively participates and involves themselves both directly and indirectly to help maintain and preserve the natural and cultural wealth they have. This study aims to determine the form of participation and to determine the factors that influence community participation in developing bono tourism objects. This study uses a quantitative research method. This study uses a population…
The conversion of rubber plantation land to citronella plantation is called land conversion. Land conversion is an act of changing or diverting the function of part or all of the land to citronella plantation land. The purpose of the study was to determine the factors that influence farmers' considerations in converting land and the impacts felt on the social and economic lives of farmers. This…
The development of digital technology has had a significant impact on the business world, including the culinary sector. TikTok, as one of the social media platfroms with rapid user growth, offers opportunities for entrepreneurs, including students, to promote their products more widely and interactively. This research aims to analyze the utilization of TikTok as a promotional medium for culina…
Grandchildren who are raised by their grandparents in Metro Pulau Kijang Village have become a substitute parenting pattern since the age of two years and even since birth have been raised by their grandparents, this will have a positive and negative impact on the child's personality behavior. This study was conducted in Metro Pulau Kijang Village, with the aim; to find out the substitute paren…
This study aims to determine the magnitude of the relationship between parental social support and non-academic achievement of people with disabilities at SMALB Negeri Pembina Pekanbaru City. Parents as the main controllers of the family must provide social support to their children to be able to live a social life, one of which is education, well. Educational success can also be seen from achi…
This study aims to describe the role of the Tourism Awareness Group (Pokdarwis) in the development of the Tobek Pebaun Tourism Object in Pebaun Hilir Village and to describe the supporting and inhibiting factors of the Tourism Awareness Group (Pokdarwis) in the development of the Tobek Pebaun Tourism Object in Pebaun Hilir Village. The method used in this study is a qualitative approach, with t…