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Pelatihan Pembuatan Kompos Menggunakan Metode Takakura Sebagai Solusi Penanganan Sampah di Kelurahan Jatirejo Kota Semarang Andhina Putri Heriyanti; Miranita Khusniati; Trida Ridho Fariz; Ni Luh Tirtasari; Amnan Haris; Abdul Jabbar
Bubungan Tinggi: Jurnal Pengabdian Masyarakat Vol 4, No 4 (2022)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/btjpm.v4i4.6100

Abstract

Kelurahan Jatirejo di Kota Semarang merupakan salah satu wilayah yang memiliki permasalahan sampah rumah tangga. Namun kegiatan pengelolaan sampah berbasis masyarakat terkendala oleh waktu dan biaya. Teknik pengomposan dengan metode takakura dapat menjadi solusi dalam pengelolaan sampah rumah tangga di Kelurahan Jatirejo, Kota Semarang. Berangkat dari hal tersebut, kami selaku tim pengabdian melalukan kegiatan pelatihan pembuatan kompos menggunakan metode takakura sebagai solusi penanganan sampah di Kelurahan Jatirejo. Tahapan dalam kegiatan pengabdian ini terdiri dari tahapan persiapan, sosialisasi dan praktik pembuatan kompos. Pada tahapan persiapan, tim pengabdi menggunakan EM4 dalam pembuatan kompos berdasarkan studi literatur. Selanjutnya, tim pengabdi melakukan kegiatan sosialisasi dan praktik pembuatan kompos dengan metode takakura. Setelah kegiatan praktik, para peserta tertarik untuk menerapkan pengomposan dengan metode takakura ditempat tinggal masing-masing. Pengetahuan tentang pemanfaatan sampah rumah tangga bagi ibu-ibu Kelurahan Jatirejo juga semakin berkembang melalui kegiatan pengabdian pelatihan pembuatan pupuk kompos dengan metode takakura. Untuk kegiatan selanjutnya, perlu diuji bagaimana tingkat partisipasi masyarakat Kelurahan Jatirejo dalam pengelolaan sampah berbasis kompos dengan metode takakura. Jatirejo Village in Semarang City is one area that has household waste problems. However, community-based waste management activities are constrained by time and cost. Composting techniques using the takakura method can be a solution to managing household waste in Jatirejo Village, Semarang City. Based on that problem, we as a service team conducted composting training activities using the takakura method to handle waste in Jatirejo Village. The stages in this service activity consist of preparation, socialization and the practice of making compost. In the preparation stage, the service team used EM4 in composting based on a literature study. Furthermore, the service team carried out socialization activities and the practice of making compost using the takakura method. After the practical activity, the participants were interested in applying compost using the takakura method in their respective places of residence. Knowledge related to the use of household waste for women in Jatirejo Village is also growing through service activities for making compost fertilizer using the takakura method. For the next activity, it is necessary to examine how the level of community participation in Jatirejo Village in compost-based waste management using the takakura method is needed. 
Fitoremediasi Kadar Logam Berat Kromium (Cr) pada Limbah Batik Menggunakan Eceng Gondok dan Kangkung Air Amnan Haris; Ade Murti Muzaiyanah; Andin Vita Amalia; Sri Ngabekti; Andhina Putri Heriyanti
Environmental Science Journal (esjo) : Jurnal Ilmu Lingkungan 2025: Volume 4 Nomor 1 Desember 2025
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/esjo.v4i1.20571

Abstract

  The home-scale batik industry in Pekalongan, while contributing to the local economy, generates wastewater containing heavy metal chromium (Cr) and organic pollutants, posing environmental risks. This study evaluated the effectiveness of phytoremediation using Eceng gondok (Eichhornia crassipes), kangkong air (Ipomoea aquatica), and their combination to reduce Cr, BOD, COD, and TSS in batik wastewater. Experiments were conducted at three wastewater concentrations (25%, 50%, 100%) over 14 days. Results showed significant reductions in all parameters: Cr removal was highest with WS at 100% concentration (93.9%), BOD and COD decreased up to 90%, and TSS decreased up to 91.1% with the WH-WS combination. pH (6.9–7.3) and temperature (27–32.8°C) remained optimal. These findings indicate that WH, WS, and their combination provide an effective and eco-friendly approach for treating batik wastewater in Pekalongan.