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All Journal Reaktor International Journal of Science and Engineering (IJSE) International Journal of Renewable Energy Development TEKNIK METANA JURNAL KIMIA SAINS DAN APLIKASI Jurnal Ilmu Lingkungan JURNAL TEKNOLOGI KIMIA DAN INDUSTRI Bulletin of Chemical Reaction Engineering & Catalysis Communications in Science and Technology ASEAN Journal of Chemical Engineering Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Journal Of Sustainability Perspectives Pharmaceutical Sciences and Research (PSR) Journal of Sustainability Perspectives International Journal of Renewable Energy Development Bulletin of Chemical Reaction Engineering & Catalysis
Dessy Ariyanti
Department Of Chemical Engineering, Universitas Diponegoro, Semarang 50275, Indonesia
Aerospace Engineering Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Public Health

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Journal : Jurnal Ilmu Lingkungan

 1 
STUDI KARAKTERISTIK BIOPOLIMER GRACILARIA VERRUCOSA SEBAGAI BAHAN PENJERAP Ariyanti, Dessy; Nurcahyani, Intan
Jurnal Ilmu Lingkungan Vol 10, No 2 (2012): Oktober 2012
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (715.774 KB) | DOI: 10.14710/jil.10.2.85-88

Abstract

ABSTRAK Keberadaan logam berat Cu dalam limbah industri dapat berakibat buruk bagi lingkungan. Gracilaria verrucosa ditujukan sebagai bahan alternatif yang ramah lingkungan pengganti polimer sintetis untuk proses biosorpsi logam berat Cu. Pada penelitian ini dipelajari karakteristik kemampuan penjerapan dari biopolimer Gracilaria verrucosa terhadap logam berat Cu. Pada proses biosorpsi Cu2+ kapasitas biosorpsi maksimum sekitar 38.34 mg/gr. Kapasitas biosorpsi dicapai pada t=15 menit dan pH larutan= 4. Data kesetimbangan proses biosorpsi ini dapat dimodelkan dengan persamaan Langmuir. Keberadaan NH4+ dalam larutan tidak terlalu berpengaruh terhadap proses biosorpsi logam berat Cu. Hasil penelitian disimpulkan bahwa biopolimer Gracilaria verrucosa memiliki potensi sebagai bahan alternatif dalam proses pemisahan trace element dengan kapasitas biosorpsi yang tinggi. Kata kunci : Gracilaria verrucosa, alga merah, biosorpsi  logam berat ABSTRACT The presence of heavy metals such as Cu in industrial wastewater can lead to the environment contamination. The algae Gracilaria verrucosa is intended to be the environmentally friendly polymer used in biosorption process of heavy metals Cu. In this research, the characteristics and adsorption ability of biopolymers Gracilaria verrucosa against heavy metals Cu was studied respectively. Results shown that the maximum biosorption capacity of Gracilaria verrucosa in adsorbing Cu2+ was 38.34 mg/gr at t = 15 min and pH = 4. Equilibrium data of biosorption process can be modeled by Langmuir equation. The presence of NH4 + in solution does not significantly affected the biosorption process of heavy metals Cu. It can be concluded that biopolymer Gracilaria verrucosa has potential as an alternative material with high biosorption capacity in removing trace elements. Keywords: Gracilaria verrucosa, red algae, heavy metals biosorption
Co-Authors Adi Saputra, Erwan Adrianus Kristyo Prabowo, Adrianus Kristyo Afiatin Afiatin Agnes Priska Tiarasukma Aji Prasetyaningrum Ambariyanto , Andri Cahyo Kumoro Aprilina Purbasari Apsari Puspita A. Azizah, Nadya Ummi Bakti Jos Bayu Samudra, Muhammad C Sri Budiyati Catarina Sri Budiyati Denny Nugroho Sugianto Desiyantri Siti P. Diah Susetyo Retnowati Dita Baeti Pridiana Erwan Adi Saputro Faishal Maulana Kusumah Filicia Wicaksana H Hadiyanto Hamzah, Fazlena Handayani, Elinna Putri Hapsari, Farida Diyah Heny Kusumayanti Herman Suryadi I N. Widiasa Intan Nurcahyani Junye Dong Junzhe Dong Khoirul Huda Lesdantina, Dina Maksum Radji Marcelinus Christwardana Mo’ungatonga, Satriani Noer Abyor Handayani Peter Kusnadi Purwanto Purwanto Purwoko, Agus Pury Diana Shintawati Saputra, Erwan Adi Setia Budi Sasongko Slamet Priyanto Srivastava, Vimal Chandra Wei Gao Wei Gao Wei Gao Yos Johan Utama