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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Ilmiah Universitas Batanghari Jambi
Dian Larasati
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Law, Crime, Criminology & Criminal Justice

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Pengaruh Pemberian Limbah Cair Tahu Dan Fotoperiod Terhadap Kadar Glukosa Pada Kultivasi Mikroalga Scenedesmus sp. Dian Larasati; Shinta Elystia; Sri Rezeki Muria
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

More energy needs are met from fossil energy, but that fuel can’t be renewed. Various studies have been conducted to utilize microalgae as raw material for biofuels. The carbohydrate content in microalgae can be used as raw material for bioethanol. Scenedesmus sp. considered a promising microalgae for biofuel production because it has a high level of growth and glucose production, and can utilize organic matter as a nutrient in the form of tofu liquid waste so that the synergy between wastewater treatment and biomass production can run well. The purpose of this study was to determine the optimal conditions for growth of Scenedesmus sp. with the influence of photoperiod and volume of tofu wastewater on glucose levels formed after the cultivation process. In this study variations in the provision of tofu wastewater in the cultivation medium (0%, 20%, 40%, 60%, 80%, 100%) with the ratio of photoperiod light:dark (16:8, 14:10, 12:12, and 24:0) and the time of data collection on days are 0, 1, 3, 5, 7, 9, 11, and 13. Based on the results of the study obtained the highest glucose level of 36,41 mg/l at the added of 20% tofu liquid waste and photoperiod 12:12. Keywords: Glucose, tofu liquid waste, photoperiod, Scenedesmus sp.
Kesejahteraan Pendamping Program Keluarga Harapan (Studi Deskriptif Pendamping PKH di Jakarta Timur) Dian Larasati; Fentiny Nugroho
Jurnal Ilmiah Universitas Batanghari Jambi Vol 23, No 1 (2023): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v23i1.3118

Abstract

Poverty remains a global central issue in all countries in the world. The purpose of this research is to describe and analyze the welfare of PKH social workers in East Jakarta and the factors that support and hinder the welfare of PKH social workers in East Jakarta. This study uses a descriptive qualitative approach. The results of this study indicate that the welfare of PKH social assistants obtained so far includes subjective welfare and objective welfare. Subjective well-being includes feelings of well-being, satisfaction, that a person feels when working as a social companion. Meanwhile, objective welfare includes aspects of opinion that are felt to be sufficient to meet the daily needs of the companions, then expenditure aspects that are felt to be lower than income, housing that is available even if only by contact or renting, availability of health services even though the companions have to pay their own expenses. , transportation is smooth even though there are no additional costs for transportation. On the other hand, factors supporting the welfare of the companion of age, religious attitudes, social support from the community and village officials, personality of the companion, proper housing and good social conditions of the accompanying family. Meanwhile, the inhibiting factor is the companion's salary, which is still below the Jakarta’s UMP.
Co-Authors Fentiny Nugroho Shinta Elystia Sri Rezeki Muria