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All Journal Reaktor IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) International Journal of Community Service Learning Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika International Journal of Marine Engineering Innovation and Research REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Eksergi: Jurnal Teknik Energi Jurnal Rekayasa Proses
Lalak Tarbiyatun Nasyin Maleiva
Departement Of Chemical Engineering, Universitas Tanjungpura, Pontianak
Religion Agriculture, Biological Sciences & Forestry Arts Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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OPTIMALISASI POTENSI SUMBER DAYA DESA SUNGAI ITIK, KUBU RAYA, KALIMANTAN BARAT Maleiva, Lalak Tarbiyatun Nasyin; Marcelina, Marcelina; Gani, Usman A; Khairi, Syahrul; Kurniawan, Eddy
Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Vol 9 No 1 (2022): Januari
Publisher : Lembaga Penelitian, Penerbitan dan Pengabdian Masyarakat (LP3M) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/ppkm.v9i1.2210

Abstract

Desa Sungai Itik memiliki banyak pontensi untuk meningkatkan perekonomian di masyakatnya. Beberapa potensi yang dimiliki desa ini di antaranya UMKM (amplang), industri kecil (gula semut), peternakan (ikan nila), perkebunan (kelapa dan pisang), dan pertanian (padi). Potensi-potensi ini telah dioperasikan namun dalam proses pelaksanaannya masih terdapat kendala-kendala sehingga membuat para pelaku usaha kurang termotivasi untuk berwirausaha. Adapun kegiatan-kegiatan yang telah dilakukan untuk mengatasi kendala ini di antaranya sosialisasi mengenai manajemen usaha, pelatihan pembuatan pakan ikan nila dan pupuk dari limbah pertanian, serta sosialisasi manajemen usaha dan diskusi untuk memberikan motivasi dan pengaruh positif kepada warga desa sehingga para pelaku usaha dapat menguasai strategi dan metode untuk menghasilkan profit yang lebih besar dari usahanya. Adapun dampak positif lainnya adalah menciptakan masyarakat yang eko-kreatif sehingga dapat menurunkan tingkat pengangguran dan meningkatkan kesejahteraan masyarakat Desa Sungai Itik.
Manufacture of Hand Sanitizer and Liquid Soap in Pinang Dalam and Pinang Luar Villages Eva Pramuni Oktaviani Sitanggang; Rinjani Ratih Rakasiwi; Wivina Diah Ivontianti; Lalak Tarbiyatun Nasyin Maleiva; Zainal Abidin
ABDIMAS: Jurnal Pengabdian Masyarakat Vol. 5 No. 2 (2022): ABDIMAS UMTAS: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (840.745 KB) | DOI: 10.35568/abdimas.v5i2.2521

Abstract

The COVID-19 pandemic has hit the whole world, including Indonesia. Many attempts had been deftly conducted by the Government as a countermeasure so that this virus does not spread further and the cases can decrease. However, among all the implemented efforts, liquid soap and hand sanitizer have not been produced. Therefore, the socialization for the production of liquid soap and hand sanitizers were carried out to the residents of Pinang Luar Village and Pinang Dalam Village, Kubu Raya Regency, West Kalimantan, as residents of remote villages who had difficulty accessing the health protocol necessaries. Through this project, the residents expectedly can have the skills to produce them independently and avoid the dangers of COVID-19. Keywords: COVID-19, hand sanitizer, liquid soap
SISTEM IDENTIFIKASI DINI PENYAKIT STROKE DENGAN MENGGUNAKAN JARINGAN SYARAF TIRUAN PERAMBATAN BALIK Leonardus Sandy Ade Putra; Eka Kusumawardhani; Putranty Widha Nugraheni; Lalak Tarbiyatun Nasyin Maleiva; Vincentius Abdi Gunawan
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 16 No. 2 (2022): Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Inform
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v16i2.5096

Abstract

Heart disease is a disease with the second-highest mortality rate in the world. This happens because of an unhealthy human lifestyle. This unhealthy lifestyle affects the performance of the body's organs in carrying out their functions. Stroke can be prevented by exercising regularly, eating nutritious foods, not consuming alcohol, and not consuming tobacco. One way to find out if someone is free from stroke or not can be done by medical check-ups. However, this method is quite expensive. Given these problems, this study aims to design an early identification system for detecting early-stage stroke. The system is designed by utilizing the condition and history of the subject for identification. This study uses a back propagation neural network for the classification process. Variations in the use of hidden layers in each experiment were used to obtain the highest accuracy in the training process. From the results of the study, it was found that the system designed can detect early stroke with an accuracy rate of 97.8%.
Technical Guidance Provision in Electricity Energy Saving for Teachers and Educational Staff of SDN 09 Pontianak Timur Putranty Widha Nugraheni; Zainal Abidin Abidin; Eka Kusumawardhani; Leonardus Sandy Ade Putra; Lalak Tarbiyatun Nasyin Maleiva
REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Vol 3, No 3 (2022): REKA ELKOMIKA
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaelkomika.v3i3.196-206

Abstract

The provision of electricity is crucial, so efficiency must be done because electrical energy is a top priority for residential, industrial, and outdoor lights. All tiers of society must support the government's efforts to ensure the stability of the nation's energy supply through initiatives to boost supply and conserve energy. The public, particularly the lower middle class, do not yet understand the existing technology well; the information of its benefits and drawbacks have not been equally spread. Energy researchers and experts assert that the domestic or household sector's contribution to the attempt to cut power usage is very significant due to the comparatively high share of residential consumers. A project must be carried out to provide counseling in the form of instruction on cost savings when utilizing electrical and electronic gadgets in homes and schools. The counseling results revealed that the teachers of SDN 09 Pontianak Timur were genuinely interested in what they were hearing and in the presented curriculum. Through the counseling technique it is observed that the community is becoming more conscious of the need to utilize electrical energy more intelligently and is gaining new insights into how to do so. These insights help the community promoting energy efficiency in daily life.
Transformer Oil Quality Monitoring Towards Degradation of Insulation Breakdown Voltage Lalak Tarbiyatun Nasyin Maleiva; Melly Mulya Ningsih; Eka Kusumawardhani; Leonardus Sandy Ade Putra; Putranty Widha Nugraheni
Eksergi Vol 18, No 3 (2022): SEPTEMBER 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v18i3.3738

Abstract

The transformer is one of the critical pieces of equipment for distributing electrical energy from the generator connected to the transmission to the consumer of Diesel and Gas Power Generation Service Units (ULPLTD/G). Therefore, the existence of insulation is essential due to its function as a separator among the transformer core and as a transformer cooler to minimize the heat that arises in the transformer. Hence, the objective of this research was to evaluate the transformer oil quality. The procedure was executed by observing the transformer and collecting data directly from the diesel machine of SWD 2, SWD 3, and SLZ 5. The results revealed that the breakdown voltage of transformer oil categorized as good was SLZ 5 oil with an average of 59,983, and the less good was SWD 2 oil with an average of 34.516. Furthermore, by observing the test results for new and used transformer oil, the breakdown voltage value for new transformer oil was always higher than used oil. Eventually, the transformer efficiency achieved was 95.58%.
Peat Water Treatment Using Modified Red mud Ivontianti, Wivina Diah; Shalindry, Riysan Octy; Maleiva, Lalak Tarbiyatun Nasyin
Reaktor Volume 24 No.1 April 2024
Publisher : Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/reaktor.24.1.15-21

Abstract

Red mud is an alumina refinery waste residue that has been used to develop an effective adsorbent for wastewater treatment, one of which can be applied to peat water. Peat water treatment is carried out using the adsorption method. This study sought to ascertain the impact of the acid types of acid HCl and H2SO4 solution on dealumination process to the characteristics of the red mud adsorbent based on the analysis of XRF and BET instruments. In addition, this study was to determine the effect of the effect of mass variations of the red mud adsorbent on the effectiveness of peat water treatment. This research was conducted on a laboratory scale using variations in the adsorbent mass of 1 g; 3 g ; 5 g and 7 g and variation of contact time used was 15, 30, 60, and 90 minutes . The results showed an increase in the Si/Al ratio from 1.064% to 1.697% for HCl, while for H2SO41.565%.  Increasing of surface area with HCl was 179.574% while using H2SO4 was 162.891%. The results of research on the adsorption process with variations in the mass of the adsorbent 1, 3, 5, and 7 grams obtained the results of peat water pH respectively were 6.6; 7.0; 7.0; and 7,1. In the Fe metal there were removal of 73.39%; 37.09%; 24.19% and -141.93%. Then for the organic matter removal efficiency were 53.07%; 50%; 44.30% and -17.98% respectively. In variation of contact time for the parameter Fe, there were removals of 29,03%, 27,41%, and 24,19% respectively. Then for organic matter the removal efficiencies were 32,46%, 54,82%, 48,25%, and 44,29%. The optimum condition based on the result obtained are the 5 g for the mass adsorbent and 30 minute for contact time. Keywords: adsorbent; dealumination; H2SO4; HCl; peat water; red mud.
Workshop on Environmental Compassion and Energy-Saving Character Development Maleiva, Lalak Tarbiyatun Nasyin; Nugraheni, Putranty Widha; Putra, Leonardus Sandy Ade; Kusumawardhani, Eka; Abidin, Zainal
REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Vol 5, No 2 (2024): REKA ELKOMIKA
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaelkomika.v5i2.109-116

Abstract

The cultivation of strong character in schools can be achieved through character education. One promising approach to cultivating a deep affection for the environment is through the Workshop on Environmental Compassion and Energy Savings Character Development. Hence, it is essential to educate individuals about the implementation of the 4R (Reduce, Reuse, Repair, Recycle) principles and minimize energy when utilizing electronic devices in households and schools. By nurturing a foundational awareness of energy conservation and environmental consciousness at Bruder Melati Pontianak Elementary School, it is expected that the teachers will be able to impart this knowledge. Through the implementation of dissemination, school citizens gain a greater comprehension and consciousness of the 4R movement and the more prudent utilization of electricity by 94.4%. Furthermore, they acquire fresh perspectives concerning the energy-saving patterns of daily electrical energy use, thereby contributing to the betterment of society as a whole.
A Study of the Effects of Alum and PAC on the Coagulation Process of Dug Well Water Ramadhan, Finar; Maleiva, Lalak Tarbiyatun Nasyin; Nugraheni, Putranty Widha
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 9, No 1 (2024): February 2024
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v9.i1.55

Abstract

The local population of Pal IX Village in West Kalimantan heavily depends on dug wells as their main source of obtaining clean water. The prolonged consumption of elevated concentrations of manganese (Mn) and iron (Fe) in water sourced from dug wells has neurotoxic effects on both adults and children. Therefore, it is imperative to employ alum and PAC coagulants for the treatment of dug well water in order to comply with the established national quality standard. However, the utilization of both coagulants resulted in an elevation in the levels of iron (Fe), hence restricting the capacity to satisfy the quality standards. An augmentation in the mass of the coagulant is associated with a decline in the reduction efficiency. It is indicated that utilizing a mass of 0.5 grams of alum coagulant is the most favorable choice, resulting in a reduction of 50.14% for total dissolved solids (TDS), 86.25% for color, 97.70% for turbidity, and 94.48% for the concentration of Mn metal. By PAC coagulant, it has been determined that an ideal coagulant mass of 0.5 gram produces favorable outcomes with a TDS reduction of 45.08%, a color reduction of 97.71%, a turbidity reduction of 97.22%, and a Mn reduction of 95.04%. Keywords: Alum; PAC; coagulant; coagulation; dug well water
Education on Electromagnetic Waves Exposure from Smart Devices in Elementary School Kusumawardhani, Eka; Putra, Leonardus Sandy Ade; Nugraheni, Putranty Widha; Tarbiyatun Nasyin Maleiva, Lalak; Wicaksono, Romario Aldrian
International Journal of Community Service Learning Vol. 7 No. 1 (2023): February 2023
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/ijcsl.v7i1.55713

Abstract

Advances in science and technology are increasingly sophisticated and complex. Smart devices, smartphones, tablets, and other complicated media mark the rapid development of communication technology. Smart devices are electronic devices, generally connected to other devices or networks via different wireless protocols. One example of a smart device that is widely used is a smartphone. People frequently use smartphones as a communication tool in the current global era. As a result, most people are dependent on these devices, which can expose them to harmful electromagnetic waves. Given the dangers smartphones can cause to people, it is recommended to limit the use of smartphones. Therefore, the purpose of implementing this community service is to educate the public, especially students and teachers at SDN 16 Bekut, on the dangers of smartphone radiation. This is done by educating people about the need to use smartphones responsibly and not excessively. Based on the questionnaire results and recapitulation of the results of this activity, it was found that the level of understanding and satisfaction index of the actifvity participants reached 86.45%.
Degradation of Lignocellulose Biomass into Bio-oil and Biochar by Hydrothermal Liquefaction (HTL) Rizka Lestari; Lalak Tarbiyatun Nasyin Maleiva; Ahmad T. Yuliansyah; Asful Hariyadi; Fadhil Muhammad Tarmidzi
International Journal of Marine Engineering Innovation and Research Vol 10, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i1.22310

Abstract

Communities around the world are becoming more concerned about the environmental impact of using and heavily relying on fossil fuels, leading to a growing popularity of sustainable energy solutions. Biomass energy has become a popular topic of study around the world due to its sustainability. This study aims to investigate the feasibility of biomass waste valorization through its thermochemical or biochemical conversion into a sustainable, high-value energy commodity, thereby augmenting its economic and environmental value proposition. Hydrothermal liquefaction (HTL) was identified as the most effective method for treating biomass waste. Experiments were carried out by mixing water and biomass waste in a 500 mL autoclave batch reactor at temperatures ranging from 270 °C to 330 °C, with b/w ratios of 1:20, 2:20, and 3:20 and a retention time of 30 minutes. This study was additionally carried out under a starting pressure of 5 bar. Bio-oil had the highest product dispersion (84% at 330°C and a b/w ratio of 3:30). Meanwhile, the biochar yield was less than 10%. The solid product, on the other hand, had GCV values that were about the same as bituminous and sub-bituminous coals, at 6474 and 4888 cal/g, respectively. The carbon content of biochar at 270°C and 330°C is 50.86% and 66.77%, respectively, resulting from a variable b/w ratio of 2:20. GC-MS analyzed the highest-yielding product, bio-oil. The GC-MS study revealed a number of value-added chemicals resulting from the breakdown of hemicellulose, cellulose, and lignin compounds.
Co-Authors Ahmad T. Yuliansyah Eddy Kurniawan Eva Pramuni Oktaviani Sitanggang Fadhil Muhammad Tarmidzi Gunawan, Vincentius Abdi Hariyadi, Asful Intan Syahbanu Kiki Aristi Kusumawardhani, Eka Marcelina Marcelina, Marcelina Melly Mulya Ningsih Nugraheni, Putranty Widha Patrinela Hilda Putra, Leonardus Sandy Ade Putranty Widha Nugraheni Rakasiwi, Rinjani Ramadhan, Finar Rizka Lestari Shalindry, Riysan Octy Syahrul Khairi Usman A. Gani Wicaksono, Romario Aldrian Wivina Diah Ivontianti, Wivina Diah Zainal Abidin Zainal Abidin Zainal Abidin Abidin Zefania Riri