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…
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…
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…
Penelitian ini bertujuan untuk menganalisis tindakan yang dilakukan oleh Dinas Pekerjaan Umum dan Penataan Ruang (PUPR) Provinsi Riau dalam proses rekonstruksi Jalan Selensen–Kotabaru, Kabupaten Indragiri Hilir, pada tahun 2022–2023. Rekonstruksi jalan ini merupakan bagian dari upaya pemerintah daerah dalam meningkatkan konektivitas antar wilayah serta mendukung pertumbuhan ekonomi lokal. P…
The use of lakes for freshwater cultivation needs to be adjusted to the carrying capacity and carrying capacity to maintain the balance of the aquatic environment. One of the problems that occurs in Lake Maninjau is the decline in water quality caused by an increase in the number of KJA plots. In an effort to preserve the Lake Maninjau area, the Regional Government has stipulated Agam Regency R…
TikTok allows users to create instant videos with its various features. One TikTok account that went viral and became controversial is the account @Iben M.A. The content produced by @Iben M.A showcases generosity on social media. Based on the researcher’s observations, this content has sparked pros and cons among Universitas Riau students, making it an interesting subject for further research…
Pekanbaru City is a metropolitan city that has businesses that can develop rapidly. The large number of online shop users in Pekanbaru reflects the large number of people who are interested in shopping online rather than going directly to the shop, such as the Pekanbaru crystal guava fruit shop which uses Instagram social media to promote its products. Instagram is a social networking-based app…
Women are often presented solely as objects and forget their personalities. Even the exploitation of women is often carried out by the mass media. Advertising is a mass media that has a strong influence in constructing women's beauty standards. Make Over Beauty Beyond Compare advertisement is a form of campaign conducted by Make Over as a support for all women who want to experiment outside the…
The development of hedonistic lifestyle of students of SMAN 9 Pekanbaru has become a serious concern. This problem is evident from the behavior of students who often prioritize pleasure and enjoyment in various aspects of daily life. Hedonism is a view that considers pleasure to be the most important thing in life. The purpose of this study is to reveal the meaning of hedonistic lifestyle of st…
Humans and the environment are essentially a unified entity that should strengthen each other, as humans are highly dependent on the environment, while the environment also relies on human activities. However, from a human perspective, the environment is passive, whereas humans are active, making the quality of the environment highly dependent on the quality of humans. Therefore, it is crucial …
Sipintar is an abbreviation of the Service of Completing the Identity of Derelict People which is one of the programs of the Population and Civil Registration Office of Pekanbaru City in helping and making it easier for people to manage population documents so that people can get services anywhere and be accessed anywhere. According to Campbell (1989) in Mutiarin (2014) with 5 (five) indicators…
Organizational culture is an important role in organizational operations. Organizational culture is an identity of the organization, but the transfer of identity makes Bank Riau Kepri experience a transition phase, namely from conventional to sharia, which makes organizational culture affect the change of the old organizational culture and the new culture. The organizational culture of a compan…
Snakehead fish (Channa striata) is one of the fish inhabiting swamp waters that has economic value. Snakehead fish has been used by humans as food for centuries. Snakehead fish contains excellent protein, fat, vitamins, and minerals. Snakehead fish is a source of fat.Fish fatis composedofabout25%saturatedfatty acids and 75%unsaturatedfatty acids. The fatcontained in fish is generally unsaturate…
This study aims to evaluate the level of fishermen's satisfaction with the harbormaster services at the Sibolga Nusantara Fisheries Port (PPN). Harbormaster services have an important role in supporting the safety and smoothness of shipping, including through the issuance of shipping documents such as the Sailing Approval Letter (SPB), the Ship Arrival and Departure Report Proof Letter (STBLKK)…
This study aims to determine the effect of tidal and ebb current speed on the catch of togok fishing gear in the waters of Sokop Village, Meranti Islands Regency. The method used is a field survey with primary data collection techniques using a current meter and direct observation. Measurements were carried out for 10 days of togok operation. The results showed that the current speed at low tid…
Marine debris is non-natural solid material that is left or discarded in the sea by humans, either intentionally or unintentionally, as well as objects that flow into the sea through rivers and household and industrial waste disposal channels. In the Rupat Utara District coastal area, several factors contribute to the marine debris problem, namely marine debris originating from the Malacca Stra…
Rivers are a form of aquatic ecosystem that plays an important role in the hydrological cycle and functions as a water catchment area for the surrounding area, so that the condition of a river can be influenced by the characteristics of the surrounding environment. This study aims to determine the Diversity of Species and Abundance of Economically Important Fish in the Nilo River, Betung Villag…
ABSTRACT Avocado seeds and rubber seed shells are biomass waste that can be used as an alternative source in the form of charcoal briquettes because they contain lignin and cellulose. The purpose of this study is to produce charcoal briquettes with the best characteristics from a combination of avocado seed charcoal and rubber seed shell charcoal with tapioca adhesive, based on SNI No. 01-6235…
ABSTRACT Cempedak fruit skin and pulp are waste from cempedak fruit that are usually thrown away, even though this waste can be used as a high-value product such as pectin. Pectin is obtained through an extraction process to separate the pectin component from plant tissue and can be influenced by several factors, one of which is solvent concentration. This study aims to obtain the best eth…
ABSTRACT Porang tubers can be processed into flour through the stages of drying to the flouring process. Porang flour can be used in the food industry as a thickener, filler, stabilizer, and binder. The purpose of this study was to determine the characteristics of HMT modified porang flour properties at different temperatures and obtain the best temperature in porang flour modification. This r…