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PENGOLAHAN LIMBAH TEKSTIL (METHYLENE BLUE) MENGGUNAKAN ADSORBEN KARBON AKTIF KULIT MANGGIS (GARCINIA MANGOSTANA) TERAKTIVASI HIDROGEN PEROXIDE
Jurnal Inovasi Teknik Kimia
Vol 10
, No 4
(2025)
Textile wastewater is a major contributor to aquatic pollution because synthetic dyes such as Methylene Blue (MB) are toxic, persistent, and resistant to biodegradation. This study investigates the adsorption performance of activated carbon derived from mangosteen peel (Garcinia mangostana) activated with hydrogen peroxide (H₂O₂) for MB removal from aqueous solution. Activated carbon was prepared by carbonization at 850 °C, followed by chemical activation with diluted 50% H₂O₂. Adsorption tests...
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SYNERGISTIC INTERFACIAL CHEMISTRY OF HUMIC ACID AND ACTIVATED FLY ASH FOR HIGH-PERFORMANCE Mn²⁺ ADSORPTION
Susparini, Ninik Triayu
; Ramadhan, Alamsyah Sultan
; Aferta, Lusi
; Benu, Marlon Jusak Renaldy
; Wijayanti, Sri
; Tantowi, Ali
Jurnal Inovasi Teknik Kimia
Vol 11
, No 1
(2025)
This study developed a hybrid adsorbent derived from activated fly ash (FA) and humic acid (HA) for effective Mn²⁺ removal from aqueous solutions. Fly ash was activated using 1 M NaOH to increase its surface hydroxyl groups (≡Si–OH and ≡Al–OH) and enhance reactivity. The activated FA was then composited with HA, which contains abundant –COOH and –OH groups, forming an inorganic–organic hybrid with improved adsorption capability. The HA–FA composite with a 1:3 mass ratio exhibited the highest Mn²...
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Problem Based Learning Effect Using the TaRL Approach on Problem-Solving Skills in Global Warming Topic
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 4
(2025)
Physics learning is often considered difficult because students are unable to relate concepts to real-world problems they encounter. This condition results in low problem-solving skills among students, especially on contextual topics such as global warming. This study aims to determine the effect of the Problem Based Learning (PBL) model with the Teaching at the Right Level (TaRL) approach on students' problem-solving skills in global warming material. The research method used was quantitative w...
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Analisis Strategi Promosi Penjualan pada Marketplace Shopee BMA Baju Murah Anak
EBISNIS : JURNAL ILMIAH EKONOMI DAN BISNIS
Vol 18
, No 2
(2025)
Penelitian ini bertujuan untuk menganalisis strategi promosi penjualan yang diterapkan oleh BMA (Baju Murah Anak) pada marketplace Shopee. Meskipun telah melakukan berbagai upaya promosi, penjualan BMA cenderung fluktuatif dan belum mencapai target yang diharapkan. Penelitian ini menggunakan pendekatan kualitatif deskriptif dengan teknik pengumpulan data melalui observasi, wawancara, dan dokumentasi. Penelitian terfokus pada empat strategi promosi utama yaitu pemberian, paket harga, pengembalian...
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Strengthening Literacy of ABACAGA Method at PNF PKBM KRI Embassy Malaysia
Sholiha, Faridatus
; Aini, Faradila
; Mahsun, Mohamad
; Idris, Haidar
; Bakhri, Saiful
; Arifin, Zainul
; Muttaqin, Ahmad Ihwanul
; Ulumudin, Ihya’
; Masyhuri, Muhammad
; Arifin, Syamsul
; Sidiq, Muhammad Abdul Halim
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
ABSTRACT
Some Indonesian students aged 10–12 at the Indonesian Embassy in Malaysia's PNF Learning Center (PKBM PNF) still demonstrate low basic literacy skills. This condition is related to family backgrounds that do not have clear legal status due to unregistered marriages and the lack of valid citizenship documents. In addition, parental involvement in accompanying children's learning process at home is relatively low due to the demands of full-time work. This study aims to accompany and impro...
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Empowerment of Persons with Disabilities with Blind Jatabek through Tuina Chuzhen Massage Therapy Training
Japaries, Willie
; Wijono Sukaputra Agussalim
; Hedi Suanto Tjong
; Metta Sari
; Erni Chrisilia Suhendry
; Aditya Prabowo Audisapta
; Ony Susita
; Adrianus Suyadi, S.J.
; Anastasia S.P
; Dian Susanti
; Sutrisno
; R.M. Alfian
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
ABSTRACT
Background: People with disabilities, especially the blind, are members of society who have limited vision. Therefore, they require specific methods to learn certain skills to earn a living. One such skill suitable for the blind is massage therapy, which can be learned without relying on sight, but relying on the sense of touch. Purpose: This paper aims to describe the experience of training blind people to perform a special massage treatment called Tuina Chuzhen. Methods: The experienc...
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Black Soldier Fly as an Alternative to Strengthen the Local Economy and Manage Organic Waste in Mojolaban District
Nadifta Ulfa, Amalia
; Sutrisno, Joko
; Nurhidayati, Indah
; Agustono, Agustono
; Fajarningsih, Rhina Uchyani
; Khairiyakh, Refa’ul
; Irawan, Evi
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
Waste remains a major issue in various regions, particularly organic waste. Unmanaged organic waste can cause environmental pollution and contribute to increased greenhouse gas emissions. In line with the Sustainable Development Goals (SDGs), particularly SDG 12 (Sustainable Consumption and Production) and SDG 13 (Action on Climate Change), innovative solutions are needed to manage organic waste more effectively and efficiently. Waste banks, as environmental advocates, are currently focusing mor...
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Feasibility of Layer Duck Farming in Wonomulyo Subdistrict, Polewali Mandar Regency
Bantara Journal of Animal Science
Vol 7
, No 2
(2025)
Duck egg farming is one of the important sources of income for rural communities, and the success of this business largely depends on cost efficiency and the level of profit obtained. This study aims to analyze the cost structure, revenue, and financial feasibility of duck egg farming in Wonomulyo Subdistrict based on the average data from 70 respondents. Data were collected through a survey method with structured interviews regarding the number of livestock, land area, production costs, and far...
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Implementation of The Green Campus Concept Based on The UI GreenMetric Guidelines Approach
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
Climate change and rapid urban development have increased the urgency of sustainable practices in higher education institutions. Green areas on campuses play a vital role in reducing carbon emissions, improving microclimate, and supporting ecological balance. This study analyzes the implementation of green area criteria based on the UI GreenMetric World University Rankings 2023 guidelines. A descriptive-analytical method was employed, combining field observations, documentation review, and inter...
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1 Sitasi
The Edukasi PHBS Cuci Tangan Enam Langkah, Kebersihan Diri, Dan Lingkungan Di Posyandu Remaja Desa Tanjung Baru Kabupaten Lampung Selatan: Upaya Peningkatan Pengetahuan, Sikap, dan Perilaku Remaja dalam Mewujudkan Derajat Kesehatan Optimal
Jumilah, Laura Nada Angelica
; Oktavia, Prisma Nurafni
; Sari, Eri Puspita
; Farkhah, Laeli Farkhah
; Subandi, Ahmad
Jurnal Pengabdian Masyarakat Al-Irsyad
Vol 7
, No 2
(2025)
Kesehatan remaja adalah faktor krusial dalam menentukan mutu generasi yang akan datang, namun rendahnya kesadaran di kalangan remaja mengenai PHBS masih menjadi tantangan di banyak lokasi, termasuk di Desa Tanjung Baru, Kecamatan Merbau Mataram, Kabupaten Lampung Selatan. Kegiatan ini bertujuan untuk meningkatkan pengetahuan, sikap, dan perilaku remaja terkait PHBS melalui edukasi mengenai cara cuci tangan dengan enam langkah, menjaga kebersihan diri dan lingkungan. Pendekatan yang digunakan men...
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