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All Journal Environmental and Toxicology Management (ETM)
Tony Hadibarata
Environmental Engineering Program, Faculty of Engineering and Science, Curtin University Malaysia, Miri, CDT 250, Malaysia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Environmental Science Public Health

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Green technology of natural fiber reinforced bio-composites as alternative sustainable product Tony Hadibarata; Winda Umarie; Bieby Voijant Tangahu; Putri Ramadhany; Gilang Ananda Putra
Environmental and Toxicology Management Vol. 2 No. 2 (2022): Environmental flows and natural resources management
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (204.169 KB) | DOI: 10.33086/etm.v2i2.3406

Abstract

Proactive strategies are being opted by metallurgical, foundry and manufacturing industries with respect to their experiences working with product designing based on product life cycle assessments. Without the consideration of the potential impacts on the life cycle, the development of new products would barely be sustainable. “Green” composites or bio-composites are fully degradable composites mainly consisting of a blend of biopolymer matrix and natural fibers which act as a reinforcing phase. In this study, natural bio-composite was reviewed as an alternative sustainable product. The types of natural fibers were also described as raw material of natural bio-composite. In addition, development natural fibers nowadays were mentioned. Furthermore, the application of natural fiber reinforced bio-composites was also presented.
Water quality in Malaysia: review Manik Urai, Durian and Geh rivers Nur Syamimi Zaidi; Bieby Voijant Tangahu; Ghina Rizqina Ersa; Widhowati Kesoema Wardhani; Putri Ramadhany; Tony Hadibarata
Environmental and Toxicology Management Vol. 2 No. 2 (2022): Environmental flows and natural resources management
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.911 KB) | DOI: 10.33086/etm.v2i2.3409

Abstract

Water pollution issues and clean water needs have forced developing countries, such as Malaysia. Relating to clean water demand for covering human activities, water quality index determine several water parameter that presents pollution problem in water. As a water source, clean water in river is a critical concern. River water quality is according to natural process and anthropogenic activities. River water is potential to be contaminated by industrial, domestic and agricultural activities. Thus, in this study, water quality and availability in Manik Urai, Durian and Geh rivers were reviewed. Each pollutants was investigated, for instance BOD, COD, DO, SS, and pH. Range of river water flow was also examined. Total water demand was mentioned. In addition, the impacts of drought in 1990-2016 were assessed. However, review resulted that climate change has severe impact in water supply system.
Co-Authors Ghina Rizqina Ersa Gilang Ananda Putra Nur Syamimi Zaidi Putri Ramadhany Putri Ramadhany Tangahu, Bieby Voijant Widhowati Kesoema Wardhani Winda Umarie