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Utilization Of Chlorella Pyrenoidosa As A Phytoremediator For Tannery Waste Adetya, Nais Pinta; Arifin, Uma Fadzilia; Anggriyani, Emiliana; Rachmawati, Laili
Walisongo Journal of Chemistry Vol 7, No 1 (2024): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjc.v7i1.20749

This study aims to analyze the effect of phytoremediation on the bioremoval of COD, ammonia, and Cr (VI) from tannery wastewater and examine its effect on the growth of Chlorella populations. The research method consisted of two stages: first, preparation of liquid waste media. The second is culturing pure cultures followed by microalgae cultivation using leather tanning liquid waste media with a concentration variation of 0%, 10%, 20%, and 30% v/v. Filtrate samples after harvest were analyzed for COD, ammonia, and Cr (VI). The results obtained in this study show that Chlorella can grow in tanning waste media. The highest exponential phase occurs at a concentration of 20% with a growth rate of 0.557. Tannery liquid waste contains inorganic minerals utilized by Chlorella pyrenoidosa cells for growth. Cultivation of Chlorella pyrenoidosa can reduce leather tanning liquid waste parameters, namely COD, ammonia, and Cr (VI).

Pengaruh Waktu Iradiasi Ultrasonik dengan Aktivasi Kalium Hidroksida terhadap Sifat Fisis Karbon Aktif dari Serbuk Karet End Life Tire Arifin, Uma Fadzilia; Adetya, Nais Pinta; Pambudi, Wisnu; Listyalina, Latifah; Ratnaningsih, Wahyu
Jurnal Teknik Kimia USU Vol. 13 No. 2 (2024): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jtk.v13i2.15549

Processing End Life Tire (ELT) rubber powder into activated carbon is an alternative for handling tire waste. One way to improve physical properties such as proximate characteristics, surface area and pore diameter of activated carbon is through chemical activation assisted by ultrasonic irradiation. This research aims to determine the effect of ultrasonic irradiation time with potassium hydroxide (KOH) activation on the quality of ELT rubber activated carbon. Activated carbon was synthesized and activated using 30% KOH at various ultrasonic irradiation times, namely 0 minutes, 15 minutes, 30 minutes, 45 minutes and 60 minutes. Based on the characterization results, activated carbon with an ultrasonic irradiation time of 30 minutes is the active carbon that has the most superior properties. The proximate characteristics of activated carbon meet the active carbon quality requirements of SNI 06â€“3730â€“1995 and have the highest surface area, namely 401.11 m2/g and pore diameter of 2.1652 nm, which is included in the mesoporous structure category so that it has the potential to be applied as an adsorbent for heavy metals from contaminated fluid.

Pemanfaatan Limbah Feses Sapi dan Fleshing untuk Produksi Pupuk Organik di Kelompok Ternak Bantul Baskoro Ajie; Nur Mutia Rosiati; Mustafidah Udkhiyati; Laili Rachmawati; Emiliana Anggriyani; Nais Pinta Adetya; Fadzkurisma Rabbika; Ragil Yuliatmo; Swatika Juhana
JPM: Jurnal Pengabdian Masyarakat Vol. 5 No. 1 (2024): July 2024
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jpm.v5i1.1918

Tujuan dari kegiatan ini adalah memanfaatkan limbah feses sapi di Kelompok Ternak Sido Rukun dan Sido Mulyo, Jaranan, Panggungharjo, Sewon, Bantul, Yogyakarta untuk dibuat menjadi pupuk organik dengan tambahan limbah fleshing dari sisa proses pengolahan kulit di PT Budi Makmur Jayamurni, Yogyakarta. Pelaksanaan kegiatan ini dibagi menjadi 3 tahap: 1) persiapan dan survey kondisi kelompok ternak Sido Rukun dan Sido Mulyo (Agustus 2023), 2) penyuluhan materi dan praktek pembuatan pupuk organik (September dan Oktober 2023), 3) evaluasi kegiatan, diklat (Oktober 2023). Pembuatan pupuk dibagi menjadi 3 perlakuan, yaitu A: dengan penambahan kapur, B: dengan penambahan limbah fleshing, dan C: tanpa penambahan kapur maupun limbah fleshing. Perbedaan perlakuan tersebut bertujuan untuk mengetahui pengaruh penggunaan limbah fleshing terhadap kualitas pupuk organik, serta untuk mengetahui formula terbaik untuk pembuatan pupuk organik. Proses pembalikan dan pemantauan pengomposan dilakukan 1 kali seminggu selama 4 minggu. Pupuk organik terbaik diperoleh dariPerlakuan B (kombinasi kotoran ternak dengan limbang fleshing) dengan hasil pupuk organik memiliki bentuk remah, warna coklat tua, dan bau seperti tanah. Tingkat pemahaman peserta terhadap materi dikategorikan baik, ditunjukkan dengan adanya peningkatan nilai rata-rata dari pre-test (48,6) menjadi post-test(67,5). Instruktur telah memenuhi kriteria dalam ketepatan waktu, kehadiran setiap proses dan mampu menyampaikan materi dengan baik dengan nilai rata-rata 84,4 (sangat baik). Penilaian seluruh aspek kegiatan yang meliputi tema atau materi diklat secara umum, instruktur, metode diklat, fasilitas, dan penyelenggaraan diklat menunjukkan nilai rata-rata 4,51 (baik).

Pengaruh Waktu Iradiasi Ultrasonik dengan Aktivasi Kalium Hidroksida terhadap Sifat Fisis Karbon Aktif dari Serbuk Karet End Life Tire Arifin, Uma Fadzilia; Adetya, Nais Pinta; Pambudi, Wisnu; Listyalina, Latifah; Ratnaningsih, Wahyu
Jurnal Teknik Kimia USU Vol. 13 No. 2 (2024): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jtk.v13i2.15549

Processing End Life Tire (ELT) rubber powder into activated carbon is an alternative for handling tire waste. One way to improve physical properties such as proximate characteristics, surface area and pore diameter of activated carbon is through chemical activation assisted by ultrasonic irradiation. This research aims to determine the effect of ultrasonic irradiation time with potassium hydroxide (KOH) activation on the quality of ELT rubber activated carbon. Activated carbon was synthesized and activated using 30% KOH at various ultrasonic irradiation times, namely 0 minutes, 15 minutes, 30 minutes, 45 minutes and 60 minutes. Based on the characterization results, activated carbon with an ultrasonic irradiation time of 30 minutes is the active carbon that has the most superior properties. The proximate characteristics of activated carbon meet the active carbon quality requirements of SNI 06â€“3730â€“1995 and have the highest surface area, namely 401.11 m2/g and pore diameter of 2.1652 nm, which is included in the mesoporous structure category so that it has the potential to be applied as an adsorbent for heavy metals from contaminated fluid.

Quality Evaluation of Bioplastic from Glutinous Rice Starch Reinforced with Bamboo Leaf Powder Arifin, Uma Fadzilia; Adetya, Nais Pinta; Pambudi, Wisnu; Ratnaningsih, Wahyu
CHEESA: Chemical Engineering Research Articles Vol. 5 No. 2 (2022)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v5i2.14235.82-91

Plastics are widely used in various aspects of life due to their variety of superior properties. However, they contribute a negative impact on the environment, which leads to the search for an alternative solution such as the production of bioplastics as biodegradable plastics. Therefore, this study aims to evaluate the psycho-mechanic quality of bioplastic from glutinous rice starch reinforced with bamboo leaf powder. The bioplastic synthesis process was carried out using 0, 1, 3, 5, and 7% (w/w) variations of bamboo leaf powder on glutinous rice starch, respectively. The results showed that the best bioplastic composition was the addition of 3% (w/w) bamboo leaf powder to glutinous rice starch. This indicated that the addition of bamboo leaf powder in bioplastics can enhance the thickness, hardness, and tensile strength significantly. Meanwhile, the value of density, water vapor transmission rate, and elongation showed a slight increase, and the bioplastic also degraded more than 70% for 7 days.

Utilization Of Chlorella Pyrenoidosa As A Phytoremediator For Tannery Waste Adetya, Nais Pinta; Arifin, Uma Fadzilia; Anggriyani, Emiliana; Rachmawati, Laili
Walisongo Journal of Chemistry Vol. 7 No. 1 (2024): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjc.v7i1.20749

This study aims to analyze the effect of phytoremediation on the bioremoval of COD, ammonia, and Cr (VI) from tannery wastewater and examine its effect on the growth of Chlorella populations. The research method consisted of two stages: first, preparation of liquid waste media. The second is culturing pure cultures followed by microalgae cultivation using leather tanning liquid waste media with a concentration variation of 0%, 10%, 20%, and 30% v/v. Filtrate samples after harvest were analyzed for COD, ammonia, and Cr (VI). The results obtained in this study show that Chlorella can grow in tanning waste media. The highest exponential phase occurs at a concentration of 20% with a growth rate of 0.557. Tannery liquid waste contains inorganic minerals utilized by Chlorella pyrenoidosa cells for growth. Cultivation of Chlorella pyrenoidosa can reduce leather tanning liquid waste parameters, namely COD, ammonia, and Cr (VI).

Physical and chemical characteristics of tanned chicken feet skin from freshly slaughtered and dead on arrival chickens Amalia, Dian Nur; Laili Rachmawati; Udkhiyati, Mustafidah; Rosiati, Nur Mutia; Adetya, Nais Pinta; Anggriyani, Emiliana
Jurnal Ilmu Peternakan Terapan Vol 9 No 2 (2026): Jurnal Ilmu Peternakan Terapan
Publisher : Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/jipt.v9i2.6856

Dead on arrival (DOA) animals, particularly poultry, refer to animals that die during the pre-slaughter phase and are generally considered waste, despite their potential as raw materials for leather production. However, scientific information regarding the quality of leather produced from DOA chicken feet skin remains limited. Therefore, this study aimed to evaluate the feasibility of utilizing DOA chicken feet skin by comparing its physical and chemical properties with those of fresh chicken feet skin after tanning. Chicken feet skin from both sources was processed through beamhouse operations, tanning, post-tanning, and finishing stages before quality evaluation. Physical properties analyzed included thickness, softness, shrinkage temperature, elasticity, tensile strength, tear strength, and seam strength, while chemical properties included pH, moisture content, and oil/fat content. Differences between treatments were analyzed using an independent samples t-test for parameters with sufficient replicates. The results showed that thickness, softness, and shrinkage temperature were not significantly different (P>0.05). Fresh and DOA leather showed comparable seam strength values of 602.52 N/cm and 600.23 N/cm, respectively. Chemical properties were also similar, with pH of 4, moisture contents of 15.16% and 13.82%, and oil/fat contents of 14.94% and 14.05%. Overall, DOA chicken feet skin showed comparable characteristics and potential for leather production.

Penggunaan Mimosa Sebagai Agen Penyamak Pengganti Formaldehyde pada Proses Penyamakan Kulit Ikan Lencam (Lethrinus lentjan) Laili Rachmawati; Emiliana Anggriyani; Mustafidah Udkhiyati; Nur Mutia Rosiati; Nais Pinta Adetya
Agriekstensia : Jurnal Penelitian Terapan Bidang Pertanian Vol. 24 No. 1 (2025): AGRIEKSTENSIA: Jurnal Penelitian Terapan Bidang Pertanian
Publisher : Politeknik Pembangunan Pertanian Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34145/agriekstensia.v24i1.3701

Ikan lencam memiliki potensi untuk dikembangkan menjadi produk kulit samak. Permasalahan yang dihadapi adalah masih banyak produksi kulit samak menggunakan bahan penyamak formaldehyde, yang diketahui sebagai bahan penyamak yang tidak aman dan berkontribusi terhadap masalah pencemaran lingkungan. Mimosa merupakan salah satu jenis bahan penyamak alami yang berasal dari tanaman acacia. Tujuan dari penelitian ini adalah membandingkan mutu kulit ikan lencam yang disamak dengan mimosa dan formaldehyde dengan standar SNI 06-4586-1998. Proses penyamakan menggunakan drum penyamakan. Kulit ikan lencam disamak dengan 2 perlakuan, yaitu 6% mimosa dan 6% formaldehyde, dan dilanjutkan dengan proses pasca penyamakan dan finishing. Hasil yang didapatkan yaitu kulit ikan lencam tersamak mimosa memiliki kuat tarik (2.893,87±170,59 N/cm2) dan kuat sobek (629,88±12,84 N/cm) yang lebih rendah dari kulit ikan lencam tersamak formaldehyde (p<0,05), tetapi masih memenuhi standar SNI 06-4586-1998. Kemuluran kulit ikan lencam tersamak mimosa (61,82±2,80%) lebih besar dari SNI 06-4586-1998, tetapi lebih rendah dari kulit ikan lencam tersamak formaldehyde (p<0,05). Suhu kerut kulit ikan lencam tersamak mimosa (68,24±0,33 °C) tidak berbeda nyata (p<0,05) dengan kulit ikan lencam tersamak formaldehyde. Kesimpulan dari enelitian ini adalah bahan penyamak mimosa dapat digunakan sebagai pengganti formaldehyde pada proses penyamakan kulit ikan lencam, sehingga lebih aman untuk lingkungan

TRAINING IN CHICKEN FEET LEATHER TANNING FOR PRODUCING VALUE-ADDED EXOTIC LEATHER FROM POULTRY WASTE Laili Rachmawati; Dian Nur Amalia; Nais Pinta Adetya; Fadzkurisma Robbika; Emiliana Anggriyani; Swatika Juhana; Mustafidah Udkhiyati; Heru Budi Susanto; RLMS Ari Wibowo; Atiqa Rahmawati
JMM (Jurnal Masyarakat Mandiri) Vol 10, No 3 (2026): Juni
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v10i3.38873

Abstrak: Nilai ekonomis limbah kulit kaki ayam memiliki potensi untuk ditingkatkan karena kulit yang telah melalui proses penyamakan dan finishing akan memiliki penampilan yang lebih menarik serta dapat dimanfaatkan sebagai bahan baku produk kulit, seperti tas, sepatu, dan dompet. Pelatihan ini bertujuan untuk mengoptimalkan pemanfaatan kulit ceker ayam sebagai bahan alternatif bagi industri penyamakan kulit sekaligus meningkatkan nilai tambah limbah peternakan melalui penerapan teknologi tepat guna. Metode yang digunakan dalam kegiatan ini adalah penyuluhan partisipatif berbasis praktik, yang melibatkan peserta secara aktif dalam seluruh rangkaian kegiatan, mulai dari penyampaian materi, demonstrasi proses finishing, praktik langsung, diskusi, hingga evaluasi hasil. Pelatihan diikuti oleh 10 peserta yang berasal dari kalangan peternak, pelaku industri kulit, alumni, dan masyarakat sekitar. Hasil kegiatan menunjukkan adanya peningkatan pengetahuan dan keterampilan peserta dalam proses finishing kulit kaki ayam. Hal ini ditunjukkan oleh kenaikan nilai rata-rata pre-test dan post-test dari 75 menjadi 85 serta hasil evaluasi penyelenggaraan yang berada pada kategori sangat baik. Peserta juga mampu menghasilkan kulit kaki ayam dengan tampilan mengkilap dan layak untuk tahap produksi, serta memahami potensi pemanfaatannya sebagai bahan baku bernilai ekonomi. Secara keseluruhan, program pelatihan ini efektif dalam meningkatkan kompetensi peserta dan berpotensi dikembangkan sebagai model pelatihan berkelanjutan berbasis teknologi tepat guna.Abstract: The economic value of chicken feet skin waste has the potential to be increased, as tanned and finished leather exhibits attractive appearance and is therefore ready to be utilized as raw material for leather products such as bags, shoes, and wallets. This training aimed to optimize the utilization of chicken feet skin as an alternative raw material for the leather tanning industry while increasing the added value of livestock waste through appropriate technology. The training employed a participatory, practice- hands-on training, actively involving participants in all stages, including material delivery, finishing processes, discussions, and evaluation. The program was attended by 10 participants consisting of livestock farmers, leather industry practitioners, alumni, and local community. The results demonstrated an improvement in participants’ knowledge and skills in the finishing process of chicken feet leather, as indicated by an increase in the average scores from 75(pre-test) to 85(post-test), along with positive evaluation results. Participants successfully produce leather with a glossy appearance suitable for the production stage and gained an understanding of its economic potential. Overall, the program proved effective in enhancing participants’ competencies and shows strong potential to be further developed as a sustainable training model based on appropriate technology.

Physical structure of leather tanned with aluminium as an alternative tanning agent Anggriyani, Emiliana; Adetya, Nais Pinta; Rachmawati, Laili; Nurwantoro, Nurwantoro
Livestock and Animal Research Vol 21, No 3 (2023): Livestock and Animal Research
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/lar.v21i3.66093

Objective: This study aims to examine the physical structure of goat skins tanned with aluminium as an alternative tanning agent.Methods: Twelve pieces of goat skin from the pikle breed were used in the study. Chromosal B, an aluminium tanning agent, Novaltan Al, salt (NaCl), Derminol OCS, MgO, Sodium bicarbonate, a BCG indicator, Permit MLN, and an anti-fungal are among the chemicals utilized. The approach involves tanning using chrome tanning as a control and aluminum tanning with amounts of 2%, 4%, and 6% Al2O3. Cross-sectional tests were used to assess the wet white leather's results, and the SEM-EDX method was used to determine the leather's composition.Results: Leather tanned with aluminium tanning agent shows the distribution of aluminium in the skin section, the increasing use of aluminium tanning materials, the higher the aluminium content in tanned leather.Conclusions: The presence of aluminium tanning agent in the skin indicates an interaction between the material and the skin so that it can be used as an alternative tanning agent.

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