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All Journal Environmental and Toxicology Management (ETM) Journal Of World Science

Voijant Tangahu, Bieby

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Author-ID : 2103610

Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Public Health Social Sciences

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Green engineering principles and application: bioremediation Hadibarata, Tony; Voijant Tangahu, Bieby
Environmental and Toxicology Management Vol. 1 No. 3 (2021): Green engineering principles and application
Publisher : Universitas Nahdlatul Ulama Surabaya

The adulteration of the environment by hazardous waste, such as heavy metals, nuclear wastes, hydrocarbons, pesticides and greenhouse gases is the major serious problem which need to be reduced. Common remediation technique such as physical, chemical and biological process are being applied. Chemical process can transform and change organic contaminant of interest which is not sufficient to clean the environment, while physical technique requires additional equipment. Thus, bioremediation exist as green approach to eliminate the hazardous waste in the environment. In this review, bioremediation is comprehensively presented. Remediation process types, challenges, limitations, mechanisms, and future suggestion has been elaborated to develop bioremediation technology for future prospect.

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

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.

Literature Study Of The Ability Of Fragrant Roots (Vetiveria zizanioides) And Sunflowers (Helianthus Annuus) On Phytoremediation Of Lead-Tainted Soil (Pb) Yoga, Alif; Voijant Tangahu, Bieby
Journal of World Science Vol. 1 No. 2 (2022): Journal of World Science
Publisher : Riviera Publishing

Lead pollution is a serious problem because of its wide distribution as a result of residential, agricultural, and industrial activities. Lead is a heavy metal that can cause various health problems due to its high toxicity. The high level of lead pollution needs to be overcome to reduce the impact of the risk of lead toxicity, one of which is phytoremediation. The ability of vetiver and sunflower in the phytoremediation process of lead has been reported by various literature. 40 kinds of literature were used as data sources. A literature review by making identification and classification based on the variables and parameters that will be reviewed from several articles that discuss the same topic using a synthetic matrix. Both plants have hyperaccumulator properties in absorbing heavy metals. The highest accumulation of Pb was in the roots up to 5500 mg kg-1, while sunflowers accumulated Pb up to 1450 mg kg-1. The accumulation of Pb was influenced by soil type, nutrient abundance, rhizobacteria, and chelating agents. The toxicity of highly contaminated metals did not significantly affect the growth of vetiver but only slightly decreased parameters. Sunflower response to stress caused by Pb varies depending on variety, soil type, metal type, dose, and duration of metal exposure

Co-Authors Ananda Putra, Gilang Ramadhany, Putri Tony Hadibarata, Tony Umarie, Winda Yoga, Alif

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