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Frisilla, Maria Casandra
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Energy Engineering Environmental Science Immunology & microbiology Public Health

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Analisis Produksi Bersih Industri Skala Kecil (Rumahan) di Kota Pontianak Frisilla, Maria Casandra; Pramudyaningrum, Retno; Apriani, Isna
Jurnal Teknologi Lingkungan Lahan Basah Vol 12, No 1 (2024): Januari 2024
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v12i1.73128

Abstract

Produksi bersih merupakan pendekatan inovatif dan terpadu terhadap pengelolaan lingkungan yang dapat diterapkan di seluruh siklus produksi. Tujuan penelitian ini adalah untuk mengidentifikasi tahapan proses produksi, mengetahui output yang dihasilkan baik berupa produk setengah jadi maupun limbah dan rancangan penerapan produksi bersih yang akan mengurangi limbah yang dihasilkan untuk industri perumahan pempek. Penelitian ini dilaksanakan di industri pempek skala kecil (rumahan) yang terletak di Komplek Asabri Permai No.14, Jl. Sungai Raya Dalam, Kec. Sungai Raya, Kabupaten Kubu Raya dengan titik koordinat 0 ° 5'16.10"S dan 109 °21'14.12"E. Metode yang digunakan dalam penelitian ini adalah metode kualitatif. Data  yang diperoleh dari survey lapangan berupa wawancara dikumpulkan kemudian diolah dan dianalisis dari literatur ilmiah seperti jurnal, penelitian terdahulu, studi literatur terkait industri pempek skala kecil (rumahan). Produksi bersih yang diterapkan di sektor pempek skala kecil rumahan diharapkan dapat meningkatkan keuntungan dan efisiensi dengan tetap menjaga kelestarian lingkungan.
Pengolahan Air Sumur Menggunakan Limbah Cangkang Telur Ayam Sebagai Biokoagulan Dalam Penurunan Logam Besi (Fe) dan Kekeruhan Frisilla, Maria Casandra; Pramadita, Suci; Nugraheni, Putranty Widha
Jurnal Teknologi Lingkungan Lahan Basah Vol 14, No 1 (2026): January 2026
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v14i1.98606

Abstract

Clean water is essential for human life; however, its distribution in Kubu Raya Regency remains limited, prompting residents to rely on dug wells as their primary water source. In the Hosana Fhileo residential area, groundwater quality exceeds permissible limits, with iron (Fe) concentration at 14.41 mg/L and turbidity at 288 NTU, surpassing the standards set by the Indonesian Ministry of Health Regulation No. 2 of 2023. Concurrently, the abundance of eggshell waste offers potential for its use as a natural coagulant due to its calcium carbonate (CaCO₃) content. This study aims to evaluate the effectiveness of eggshell powder as a coagulant in reducing iron concentration and turbidity in groundwater, and to compare it with the chemical coagulant Poly Aluminium Chloride (PAC). Laboratory-scale jar tests were conducted in two stages: the first used eggshell powder at 30, 50, and 70 g/L, while the second used PAC at 60, 70, and 80 g/L. Results showed that a 70 g/L dose of eggshell powder reduced iron concentration by 34.52% to 9.44 mg/L (p = 0.003 < 0.05) and turbidity by 90.61% to 27.05 NTU (p = 0.002 < 0.05). In contrast, a 60 g/L PAC dose increased iron levels to 16.32 mg/L (p = 0.002 < 0.05), but reduced turbidity by 84.57% to 44.43 NTU (p = 0.001 < 0.05). These findings indicate that eggshell powder is a promising eco- friendly coagulant. However, its Fe removal efficiency may be improved through process optimization, such as pH adjustment to enhance coagulation performance.
Co-Authors Apriani, Isna Nugraheni, Putranty Widha Pramadita, Suci Pramudyaningrum, Retno