12 articles in this issue
Serlya Aldina,Juwari Purwo Sutikno,Renanto Handogo
Rotary cement kiln is the main equipment in the cement industry that has complex dynamic behavior, where any changes will affect the quality of the product and the consumed energy. A one-dimensional model of rotary kiln is needed to understand kiln’s beha... see more
Derisma Derisma,Afdholli Putra,Dodon Yendri
This research was aimed to create an automatic microcontroller-based coffee beans drying machine without the support of sunlight to produce SNI-standardized coffee beans with small content of water or amounted to 12%. The designed machine consists of a tu... see more
Wulan Aulia,Ahnaf Ahnaf,Mochammad Yusuf Irianto,Ratna Ediati,Rendy Muhamad Iqbal,Rahadian Abdul Rachman,Ulva Tri Ita Martia
Metal-organic framework (MOF) such as ZIF-8 is the tremendous porous material applied in many fields due to high specific surface area and excellent regularity of pores. One technique to improve the physical properties of ZIF-8 with the formation of a com... see more
Pormauli Gultom,Sigit T. Wicaksono,Agung Purniawan,Sudirman Sudirman,Sulistiyoso Giat Sukaryo
Hydroxyapatite (HA) Ca10.P O4/6.OH/2 is the main component of calcium phosphate-based bone, which is most widely used in biomaterial applications because it has non-toxic and biocompatible properties. But if used alone, HA does not have excellent mechanic... see more
Raka Selaksa Charisma Muchammad,Mahfud Mahfud,Lailatul Qadariyah
In this study, the oil extraction of Calophyllum inophyllum L using microwave hydro-diffusion gravity method and chemical extraction method were elaborated. The Microwave Hydrodiffusion Gravity (MHG) method is a new green technique which combines microwav... see more
Yukh Ihsana,Sugeng Winardi,Tantular Nurtono
The study of overall gas hold up has been carried out experimentally with the bed expansion. The superficial gas velocities used for the experiments are 6.369 m/s and 10.616 m/s. The experiment is carried out in a bubble column with inside diameters of 7 ... see more
Rizka Arie Hutama,Wasis Dwi Aryawan,Ericza Damaranda Sugita
Ship maneuverability is important to study because it affects safety. Moreover, if the ship operates in a narrow shipping lane, as experienced by SPUB that operated in Musi River. This research focuses on the experimental process of SPUB maneuvers in open... see more
Afan Hamzah,Muhammad Nurul Hakim,Baiq Firyal Salsabilla Safitri,Nurul Maziyah,Laila Nur Rahmah,Hanny F Sangian,Soeprijanto Soeprijanto,Arief Widjaja
The objective of this research was to study the production of sugar from coconut husk using immobilized crude and commercial cellulose, including temperature and mixing speed during immobilization. The enzyme from Aspergillus Niger was immobilized on chit... see more
Denistira Fazlur Rahman,Hakun Wirawasista Aparamarta,Arief Widjaja
Vegetable waste is an organic waste with high cellulose and hemicellulose and low lignin content. The cellulose and hemicellulose chains can be broken down by pretreatment using sulfuric acid to obtain reducing sugar. To avoid the formation of degradation... see more
Muchdar Soedarjo,Suhartina Suhartina,Novita Nugrahaeni,Andy Wijanarko,Devi Anggraini Putri,Sri Fatmawati
Tempe and tofu are the main product of soybean commonly consumed as a daily food for the people of Indonesia. So far, soybean is well known to be a source of protein. Indeed, soybean contains secondary metabolites resulting in antioxidant activities. Anti... see more
Nadya Annisa Fitria,Elevita Yuliati
The increase in restaurant numbers every year has affected the intensity of competition in the restaurant industry. To be stand out among competitors, the right perceived image of the restaurant is needed and could be maintained by positive word-of-mouth ... see more
Dwi Cahyono,Erma Suryani
Management Information System (MIS) in government institutions was a crucial thing in supporting good services to the community. The established MIS often provided less optimum benefits since the MIS development did not go through a good planning and was ... see more