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WASTEWATER TREATMENT DESIGN OF KAMPAR STATE POLYTECHNIC CPO PURIFICATION LABORATORY sri Murda Niati; Idha Silvi; Endang Supraptiah; Gemala Cahya
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 10, No 1 (2024)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jst.v10i1.14004

Abstract

Kampar Polytechnic has a miniplan laboratory for processing CPO into cooking oil, biodiesel, and soap. During its operation, this processing produces liquid waste and solid waste. The waste released must be treated before being discharged into the environment, provided that the amount of COD reduction efficiency is good enough (63,41%). The COD content in wastewater is still above environmental quality standards. To reduce COD according to permissible standards, recycling is carried out with effluent from the sedimentation process returned to the equalization unit. The design of equalization, coagulation, and flocculation tubs has been successfully carried out. The results obtained are the dimensions of the equalization bath at 2m length, 2m width, and 1.2m height. The dimensions of the coagulation bath are 1.5m long, 1.0m wide, and 1.2m high. The dimensions of the flocculation bath are 2.5m long, 1.5m wide, and 1.2m high, with the provision that consideration meets the volume of liquid waste treated.
Bahan Kimia Pencemar Berbahaya Disekitar Kita Sri Murda Niati; Idha Silviyati; Endang Supraptiah; Gemala Cahaya
Joong-Ki : Jurnal Pengabdian Masyarakat Vol. 4 No. 1: November 2024
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/joongki.v4i1.6139

Abstract

Tujuan kegiatan pengabdian ini adalah memberikan edukasi kepada ibu ibu pengurus dan anggota Dharma Wanita Persatuan (DWP) Dinas Kesehatan Kab. Siak terhadap apa itu bahan pencemar kimia, jenis jenis pencemar, contoh yang sering ditemukan dilingkungan dan digunakan dalam kehidupan sehari-hari dan bagaimana mengetahui tercemar dan memberikan solusi. Dimateri yang disajikan diangkat tiga topik sebagai sampel yang sangat sering kita temui di lingkungan yakni peptisida yang digunakan di sayur sayuran, ikan dan mi basah yang berformalin dan penggunaan wadah staeroform.
WASTEWATER TREATMENT DESIGN OF KAMPAR STATE POLYTECHNIC CPO PURIFICATION LABORATORY sri Murda Niati; Idha Silvi; Endang Supraptiah; Gemala Cahya
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 10, No 1 (2024)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jst.v10i1.14004

Abstract

Kampar Polytechnic has a miniplan laboratory for processing CPO into cooking oil, biodiesel, and soap. During its operation, this processing produces liquid waste and solid waste. The waste released must be treated before being discharged into the environment, provided that the amount of COD reduction efficiency is good enough (63,41%). The COD content in wastewater is still above environmental quality standards. To reduce COD according to permissible standards, recycling is carried out with effluent from the sedimentation process returned to the equalization unit. The design of equalization, coagulation, and flocculation tubs has been successfully carried out. The results obtained are the dimensions of the equalization bath at 2m length, 2m width, and 1.2m height. The dimensions of the coagulation bath are 1.5m long, 1.0m wide, and 1.2m high. The dimensions of the flocculation bath are 2.5m long, 1.5m wide, and 1.2m high, with the provision that consideration meets the volume of liquid waste treated.
Zeolite Synthesis From Rice Husk Ash (Oryza Sativa L.) as an NH3 Adsorbent for the Making of Eco-Friendly Cat Litter Sri Murda Niati
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 9 No. 2 (2026): JULY 2026
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v9i2.75164

Abstract

This study aims to synthesize zeolite from rice husk ash (Oryza sativa L.) as an ammonia (NH₃) adsorbent for eco-friendly cat litter applications. The hydrothermal method was used to produce zeolite from rice husk ash and aluminum hydroxide, varying the Na₂SiO₃:Al₂O₃ ratio. The synthesized zeolites were characterized physically and chemically through moisture content, ash content, and FTIR spectroscopy analyses. Ammonia adsorption efficiency was assessed using UV-Vis spectrophotometry at initial concentrations from 5% to 25%. All zeolite variants succeeded in reducing ammonia content, with final filtrate concentrations increasing at higher initial levels. Zeolite 3 exhibited the most stable adsorption efficiency, ranging from 33% (at 5% initial NH₃) to 18% (at 25% NH₃), and was also the most crystalline with the lowest moisture and ash contents. These results indicate that synthetic zeolite derived from rice husk ash, particularly with the optimal ratio found in Zeolite 3, is highly suitable for use as an eco-friendly cat litter material, offering effective ammonia control and supporting sustainable agricultural waste utilization.