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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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Development of A Multidimensional Assessment Instrument on the Topic of Torque
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 4
(2025)
This research focuses on the development of a multidimensional assessment instrument aimed at evaluating high school students’ learning outcomes in the topic of torque within physics education. The instrument integrates cognitive, affective, and psychomotor domains through a combination of multiple-choice questions for conceptual understanding and Likert-scale questionnaires for assessing students’ interest and communication skills. The development process followed a systematic model consisting...
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Pengaruh Partisipasi Penyusunan Anggaran dan Motivasi Kerja Terhadap Kinerja Manajerial dengan Gaya Kepemimpinan sebagai Variabel Moderating
EBISNIS : JURNAL ILMIAH EKONOMI DAN BISNIS
Vol 18
, No 2
(2025)
The Karanganyar Regency Government functions as an autonomous region comprising various work units, including offices, agencies, and departments. This study aims to examine the influence of budget participation and work motivation on managerial performance, and to analyze the moderating role of leadership style within this relationship in the Regional Government Work Units (SKPD) of Karanganyar Regency.
This research employed a quantitative approach, utilizing primary data as its main source. Th...
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Analisis Penerapan Social Media Marketing di Lafera Space Pekanbaru
EBISNIS : JURNAL ILMIAH EKONOMI DAN BISNIS
Vol 18
, No 2
(2025)
Lafera Space is a coffee shop located in Bangau Sakti, Pekanbaru. This study aims to obtain clear information and insights into the implementation of social media marketing strategies at Lafera Space Pekanbaru. The research approach used is a descriptive qualitative method that describes how Lafera Space conducts social media marketing. Data collection was conducted through interviews with seven informants, documentation study, literature review, and data source triangulation. The research findi...
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Empowerment of the Sanggang Village Community Through Training on Coconut Sap Processing and Making Ant Sugar-Based Sponge
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
Sanggang Village is one of the areas where dwarf coconuts are widely planted, managed by the Karya Makmur farmer group (gapoktan). The young coconut trees can be tapped for sap, which can then be processed into palm sugar as an alternative to granulated sugar. However, the farmer group in Sanggang Village still does not understand the potential of coconut sap and its processing. Therefore, the purpose of this community service is to provide understanding and competency to the farmer group in San...
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Solar Energy-Based Fisheries Appropriate Technology Program Pokmas Water Resources Management Purwosari Village, Wonogiri
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
Agriculture, livestock, and fisheries are key sectors that support the economic life of the majority of the Purwosari village community. They face environmental and social vulnerabilities, while also facing economic vulnerability. This is achieved by transforming traditional technologies currently used by the community to increase fisheries yields and downstream marketing through Free Nutritional Meal Kitchens (MBG) in the surrounding Wonogiri area. Strengthening village human resource developme...
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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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Empowerment of Porang Sukoharjo Farmer Friends Group through Glucomannan-Based Gluten-Free Instant Noodle Training
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
ABSTRACT
Sahabat Petani Porang Sukoharjo (SPPS) is a productive partner engaged in the field of porang and its derivative products. SPPS has successfully processed porang tubers into glucomannan which has added value and potential. However, demand for glucomannan is still low, resulting in a lot of glucomannan being unsold. A community service team from Veteran Bangun Nusantara University, through the Community Partnership Empowerment (PKM) scheme, took the initiative to develop the downstream p...
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The Effect of Tapioca Flour Substitution with Purple Sweet Potato Flour (Ipomoea batatas Blackie) on the Organoleptic Testing of Beef Meatballs
Bantara Journal of Animal Science
Vol 7
, No 2
(2025)
The increasing demand for processed meat products has driven innovation toward offerings that are not only delicious and practical but also more nutritious. Beef meatballs are among the most popular processed meat products, but they often contain tapioca flour as a filler, which is low in fiber and antioxidants. This study aimed to evaluate the effect of substituting tapioca flour with purple sweet potato (Ipomoea batatas blackie) flour on the organoleptic quality of beef meatballs. The research...
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