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Naswir, Muhammad
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Adsorption of Mercury Using Different Types of Activated Bentonite: A Study of Sorption, Kinetics, and Isotherm Models Naswir, Muhammad; Jalius, Jalius; Natalia, Desfaur; Arita, Susila; Wibowo, Yudha Gusti
Jurnal Rekayasa Kimia & Lingkungan Vol 15, No 2 (2020): Jurnal Rekayasa Kimia & Lingkungan (December, 2020)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v15i2.17784

Abstract

Mercury is a hazardous element because of its toxicity and harmful effects on human health. Various traditional and low-cost methods have been developed to remove mercury from wastewater. This study used local raw material as an alternative adsorbent to treat mercury-contaminated wastewater. Activated bentonite was prepared using different chemical activators (H3PO4, HCl, and ZnCl2) in various concentrations. Then, it was dried at 200C for an hour. The materials were characterized by SEM-EDS. Its percent removal and isotherm models were analyzed. In this study, the most effective activator was H3PO4 and the experimental data matched the Freundlich model.
Manipulation of the aquatic physical environment and its relationship with ectoparasitic infection in dumbo catfish (Clarias sp) Suratno, Suratno; Suryono, Suryono; Naswir, Muhammad
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.33182

Abstract

Fish disease is an obstacle in the cultivation of Dumbo catfish (Clarias sp.) which can result in fish death. The need for information on how to prevent and treat fish diseases is very necessary. This study aims to determine the effect of aeration duration on water quality, ectoparasite intensity, prevalence, dominance, survival and condition factors, then correlate water quality with ectoparasite intensity. This study used a Complete Randomized Design (CRD) with five treatments and four replications. Treatment includes aeration 0 hours/day, 6 hours/day, 12 hours/day, 18 hours/day and 24 hours/day. Data analysis using ANOVA of a certain level of significance. If there is a noticeable difference from each treatment, proceed to the DUNCAN test. Test the correlation of water quality with ectoparasite intensity. The result of this study is that long aeration can increase oxygen solubility, acidity but reduce ammonia and nitrite. The correlation value of oxygen solubility in ectoparasite intensity is 0.828, acidity (pH) is 0.849, ammonia is -0.888, nitrite is -0.592. The prevalence value of P0 and P1 is 0%, P2 is 89%, P3 and P4 is 100%. The intensity of ectoparasites in Dumbo catfish (Clarias sp.), at P0 is 2, P1 is 13, P2 is 75, while at P3 and P4 is 100. The dominance of ectoparasites that infect is Trichodina sp. by 71.7-100% and Dactylogyrus sp. by 0-28.4%. The survival rate of fish at P0 was highest with a value of 89%, P1 at 84%, P2 at 71%, P3 and P4 rates at 0%. The value of the condition factor then P0 and P1 have a value of 1, P2, P3 and P4 have a condition factor value of 1. It is concluded that the longer aeration is given, the solubility of oxygen increases which results in an increase in the intensity and prevalence of ectoparasite infections, the pH of the water becomes neutral and decreases the content of ammonia and nitrite. There is a moderate to very strong correlation between water quality and ectoparasite intensity. There is an increase in the prevalence of infection, ectoparasite intensity and fish mortality so that it can reduce the survival and condition factors of Dumbo catfish (Clarias sp.).Keywords:AerationInfectionEctoparasitesClarias sp
Pengaruh Waktu Aerasi terhadap Peningkatan Efisiensi Penghilangan Amonia di Air Lindi pada Sistem Ammonia Stripper Fahrianto, Teguh; Naswir, Muhammad; Jalius, Jalius
Jurnal Ilmiah Universitas Batanghari Jambi Vol 24, No 3 (2024): Oktober
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v24i3.5507

Abstract

Talang Gulo Final Disposal Site (FDS) has a Leachate Treatment Plant (LTP) equipped with denitrification and nitrification facilities which function to reduce the concentration of ammonia (NH3) in leachate according to predetermined environmental quality standards. Research samples were taken in the form of leachate using the grab sampling method in accordance with SNI 6989.59:2008. The results of the research showed that the aeration time for the ammonia stripper of 3 hours, 6 hours and 12 hours both gave the highest value for the ammonia stripper efficiency percentage variable. The highest ammonia removal efficiency is aeration time of 12 hours. However, if we look at the operating efficiency of the ammonia stripper, the removal of ammonia by using an aeration time of 12 hours does not provide a significant improvement when compared to a treatment with an aeration time of 6 hours. This means that the operating time is 6 hours faster, the 6 hour variation can provide an ammonia removal efficiency of more than 90%
Analisis Pengelolaan Limbah Bahan Berbahaya dan Beracun (B3) di Industri Perhotelan Kota Jambi IsPratiwi, Ismira Andyna; Naswir, Muhammad; Guspianto, Guspianto
Jurnal Ilmiah Universitas Batanghari Jambi Vol 24, No 3 (2024): Oktober
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v24i3.5520

Abstract

This research aims to identify the type and amount of B3 waste, identify B3 waste management based on Government Regulation Number 22 of 2021, as well as the SWOT strategy for B3 waste management in the Jambi City hotel industry. The research method is a mixed method. Data collection techniques were carried out by means of open interviews using questionnaires, documentation and literature studies. This research used two types of informants, namely 5 experts and 36 hotel staff, with a questionnaire as the data collection instrument. The results of this research are the type of B3 waste in hotels, namely used oil with the highest amount, namely 0.786 tonnes, and the smallest amount, namely used cloth, amounting to 0.009 tonnes. The research results also found that the hotels that produced the most B3 waste were 5-star hotels, amounting to 0.752 tons. The stages of B3 waste management implemented in the hotel industry are the reduction stage and the storage stage. In the SWOT diagram, it is in quadrant II, namely a combination of strategies between strengths and threats (ST strategy), namely central government regulations, administrative sanctions for hotels, reducing the use of B3 waste in hotels, preparing TPS for B3 waste not mixed with other waste, the government working together. with third parties for B3 waste management, inviting the public to protect the environment.
Workshop dan Pendampingan Pembuatan Media E-Learning Guna Mendukung Pembelajaran Blended Learning Untuk Guru-Guru MGMP Biologi SMA se-KabupatenTanjung Jabung Barat Johan Wicaksana, Evan; Johari, Asni; Naswir, Muhammad; Natalia, Desfaur; Muswita
Jurnal SOLMA Vol. 13 No. 1 (2024)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v13i1.13454

Abstract

Background: Blended learning is a learning approach that combines face-to-face (synchronous) and non-face-to-face (asynchronous) learning. This learning approach has been implemented in various schools in Tanjung Jabung Barat Regency. However, in its implementation there are obstacles, one of which is the teacher's lack of knowledge in developing appropriate media that can be used in implementing blended learning. The aim of this service activity is to train the creation of e-learning media to support blended learning for MGMP Biology teachers throughout Tanjung Jabung Barat Regency. Method: The workshop and mentoring activities are carried out by delivering material, discussion and practice. Result: all activities run well. Every teacher can create e-learning media for their learning. Conclusion: as many as 100% of participants stated that PPM activities were very useful, and 93% of participants were committed to implementing the e-learning media developed in their learning process.
Co-Authors .Muswita, Muswita Asni Johari Aswan, Dara Mutiara Chaniago, Muhammad Akbar Dewi Iriani Dewi, Nabila Sastra Dhian Eka Wijaya Edwin Permana Evita Anggereini Fahrianto, Teguh Guspianto Guspianto Hariestya Viareco Hidayat, Ali Nurdin Hidayat Intan Lestari Iskandar, Jumary IsPratiwi, Ismira Andyna Jalius Jalius Johan Wicaksana, Evan Khatamsi, Muhammad Lestari, A Puji Meduripa, Harry Fajra Muswita Mutmainnah, Elma Natalia, Desfaur Putri, Prameswari Amalia Rahayu, Martina Astri Revis Asra Suratno Suratno Suryono Suryono Susila Arita Ummi Kalsum Utami, Rara Wahyuni, Dini Sri Wazzan, Huda Wibowo, Yudha Gusti Wilda Syahri Yanova, Shally Yasdi Yasdi Zahra, Kintan Larasati Ziadah, Besse Syaharani