The Tenayan Raya PLTU is located in Sail Village, Tenayan District, Pekanbaru City. The company is engaged in the field of coal-fired power plants with 189 employees. The mechanical process of coal processing at PLTU Tenayan Raya by using machines and work tools accompanied by loud sounds continuously will increase sound exposure to workers and increase the risk of danger to workers. The purpos…
Waste lubricant oil is an alternative fuel that has the potential to save the use of fuel oil (BBM) and minimize environmental impacts. The mixture of used oil and Dexlite fuel has been used in modified diesel engines at the Production Technology Laboratory, Department of Mechanical Engineering, Riau University. The best results were obtained in a mixture of P25 with a loading power of 2,00…
In the current era of the energy crisis, methanol can be used as a substitute for fossil fuels, because methanol is globally easy to produce with clean, sustainable work processes and can be made from abundant resources. Methanol is often referred to as methyl alcohol, wood alcohol or spirit which includes chemical compounds with the chemical formula CH3OH. Methanol is a light, colorless, volat…
Palm oil is one of the leading commodities that make an important contribution to Indonesia's economic development, especially in the development of agro-industry. Methyl sulfonate ester (EMS) is an anionic surfactant that functions as an active ingredient to reduce the surface tension of a solution. The methyl sulfonate ester production process generally consists of a sulfonation step, a bleac…
Calcium sulfate dihydrate (CaSO4.2H2O) or gypsum is one of the most useful processed materials. Applications of calcium sulfate dihydrate are as a building material, a chalk-making material, an additive in the manufacture of portland cement, and as an additive in certain foods such as tofu and some medicines and pharmaceuticals. The process of forming calcium sulfate dihydrate (gypsum) by react…
Isobutylene is an intermediate product that has an important role in various chemical industries. Considering the increasing demand for isobutylene while the isobutylene producers themselves, especially in Indonesia, are still limited, it can be concluded that the market for isobutylene factories is still very open, both domestic and foreign markets. In Indonesia, the product, namely isobut…
Absctract The aims of this study was to analyze the effect of adding red seaweed (Eucheuma spinosum) porridge to the quality characteristics of peel off masks. Research was an experimental study that using a non-factorial completely randomized design method with four levels of treatments, namely with F0 treatment (without adding the seaweed porridge), F1 (by adding 10% of seaweed porridge), F2…
Coffee grounds are used as raw material for making biodiesel because the oil content in the seeds is quite high, around 15-25%. Coffee grounds oil was obtained by maceration extraction using n-hexane. As much as 286ml of oil was obtained from the results of the separation with the rotary evaporator. In this study, esterification process was carried out to reduce the water content and high free …
Banana cobs and jackfruit seeds have a high enough starch content that has the potential to be used as raw material for bioethanol production. The purpose of this study was to determine the effect of the combination of a mixture of banana weevil and jackfruit seeds on the glucose concentration resulting from the hydrolysis process and to determine the effect of the mass of the yeast Saccharomyc…
The design of the fatty amine plant from PKO using the nitrile hydrogenation process with the main design of the CSTR reactor with a capacity of 42,768 tons/year will be designed in addition to PT. Nusantara III Plantation, Sei. Mengkei, Medan, to be precise, in Bosar Maligas Sub-district, Simalungun Regency, North Sumatra Province. The main raw materials used in the production of fatty amines …
Domestic diphenylamine needs continue to increase, recorded in 2019 according to the Indonesian Central Statistics Agency (2019), which imported 71.463 tons of diphenylamine, which was the highest import compared to previous years. In Indonesia, there is no industry that produces diphenylamine, so there are still many imports from countries such as China, Japan, and America. To reduce the numbe…
Epichlorohydrin is a derivative compound of allyl chloride which has the molecular formula C3H5OCl. Epichlorohydrin is also used in the manufacture of elastomers, glycidyl ethers, cross-linked food starch, surfactants, plasticizers, dyes, pharmaceutical products, oil emulsifiers, lubricants, and adhesives. In Indonesia, the need for epichlorohydrin compounds is still very dependent on impor…
Acetic acid industry in Indonesia is one of the chemical industries that has good prospects. Acetic acid product has a fairly wide market, such as the Purified Terephthalic Acid (PTA) industry, the ethyl acetate industry and the textile industry. Acetic acid, as the main product, manufactured using Acetica process through carbonylation reaction of methanol, with heterogeneous Rhodium catalyst e…
ABSTRACT This research aimed to determine the effect of isolate soy protein fortification for quality of carp fishballs. Method used in this study was the experiment method, by processing carp fishballs with addition of isolate soy protein. The design used in this experiment was a nonfactorial completely randomized design (CRD), which was an addition of isolate soy protein from weight of carp …
ABSTRAK PELAKSANAAN PENGAWASAN OLEH KEMENTERIAN PERHUBUNGAN TERHADAP KOORDINATOR SATUAN PELAYANAN TERMINAL BANDAR RAYA PAYUNG SEKAKI DALAM PENERAPAN PROTOKOL KESEHATAN COVID-19 DI KOTA PEKANBARU TAHUN 2019-2021 Oleh : Tia Rahmayanti Email : [email protected] Pembimbing : Drs. Isril, MH Nip : 195909261986011002 Ilmu Pemerintahan, FISIP Universitas Riau Kampus Bina Widya Jl. H. R. …
This research is about motivation of employees in performing front office services at Tjokro Hotel Pekanbaru. This research aims to (1) find out work motivation in performing front office services at Tjokro Hotel Pekanbaru. (2) To find out efforts that can be made by the company in increasing the motivation and productivity of employees' work in performing front office services at Tjokro Hotel …
Isobutylene is an intermediate product that has an important role in various chemical industries. Considering the increasing demand for isobutylene while the isobutylene producers themselves, especially in Indonesia, are still limited, it can be concluded that the market for isobutylene factories is still very open, both domestic and foreign markets. In Indonesia, the product, namely isobut…
The city of Pekanbaru has many tourist attractions, including the Asia farm Hay Day tourist attraction, which is which is inspired by an online game called Hay Day. Since it was officially inaugurated in 2019, this tourist attraction has seen the total number of tourist visits drop each year due to the Covid-19 pandemic that has hit the world. The decline in tourist visits should have prompted …
The tourism sector is a sector that has the potential to be developed as a source of regional income. The program for developing and utilizing regional tourism resources and potential is expected to contribute to economic development since the Covid-19 hit, a lot of tourism has been lost due to adverse impacts. One of the attractions that is still running well in the midst of the COVID-19 pande…
This study aims to determine the implementation of sales marketing responsibility in an effort to increase revenue at the Royal Asnof Hotel Pekanbaru. This study uses a qualitative method with a qualitative descriptive approach to describe and explain the situation that occurs by collecting data and information in the field. The key informants in this research are the sales marketing manager an…