Bagasse is a solid waste from the sugar cane milling process in the sugar industry. Bagasse contains lignin, cellulose and hemicellulose, which through the fermentation process by Phanerochaete chrysosporium can produce crude cellulase, furthermore cellulase and other enzymes can be used in bagasse fermentation to produce bioethanol. The purpose of this study was to determine the effect of fermentation time and the addition of crude cellulase to the yield and concentration of bioethanol produced in bagasse fermentation. The research was carried out with the stages of the process: Preparation of raw materials (bagasse), Preparation of crude cellulase, Fermentation process, Product analysis (Bioethanol). The variables used in the experiment were fermentation time (96, 120, and 144 hours) and the addition of crude cellulase (10%, 20%, 30%, 40%, and 50% (v/v)). Analysis of crude cellulase activity using the DNS method, while the analysis of bioethanol concentration using the chromatography methods. The results showed that the maximum yield was 16.24% and the highest bioethanol concentration of 11.04% was obtained at the time of fermentation of 144 hours and the addition of crude cellulase by 50% (v/v).
Alleviating household economic fragility and poverty is a global challenge in achieving a nation’s well-being. This study aims to examine the impact of social capital and Indonesian household economic welfare, as well as understand the mediating role of entrepreneurial, digital, and financial literacy. To address this objective, a structural equation modeling partial least square was adopted to acquire comprehend findings. The survey data were gathered from households in East Java of Indonesia using a simple random sampling approach. The findings from this study highlight that social capital significantly influences several literacies of households in Indonesia, including digital literacy, financial literacy, and entrepreneurial literacy. However, this study failed to confirm the nexus between social capital and household economic welfare. In addition, financial literacy, digital literacy, and entrepreneurial literacy all play an important role in mediating the connection between social capital and the economic welfare of households.
This study aims to examine the causality between production input and the price of rice in East Java, Indonesia. This study applied a quantitative method to understand in a comprehensive way the correlation between variables. The data used for this study were collected from several sources, including East Java Agriculture Office, Siskaperbapo.com, and Statistics Indonesia (BPS) of East Java. This research was carried out over five years, starting from 2014 to 2018. Furthermore, the data were analyzed using the Vector Error Correction Model (VECM) by employing E-Views (version 7). The findings of this study indicated that, in the long run, the population, rice production, and changes in people's income have a positive effect on price stability, but are inversely proportional if seen in the short term. In comparison, in the long run, farmer exchange rates variable has a negative impact on price stability, and inversely proportional in the short term, which has a positive effect. There are different implications when the people's income increases and the rice price declines; these have great potential to alleviate poverty in East Java, Indonesia. This is due to the fact that the price stability also concerns the welfare of the community.
This study aimed at analyzing the relationship between human development index, poverty level and gross regional domestic product in Malang Regency in Indonesia. This research was initiated by the poverty level which shows a moderate level in Malang Regency and how its impact on gross regional domestic product after the Development of Southern Cross Lane (JLS) in Malang. The study applied an explanatory research using time series data between 2014 and 2018. For the analysis, Vector Error Correction Model (VECM) was applied to understand the relationship between variables both in the short-term and in the long-term. The findings showed that in the short-run both variables have a negative correlation with gross regional domestic product. Meanwhile, in the longrun, human development index has a negative relationship to gross regional domestic product, whilst poverty variables positively affects gross regional domestic product. AbstrakPenelitian ini bertujuan untuk menganalisis pengaruh index pembangunan manusia, tingkat kemiskinan dan produk domestik regional bruto (PDRB) di Kabupaten Malang, Indonesia. Studi ini didasari pada tingkat kemiskinan di Kabupaten Malang yang tergolong sedang dan bagaimana dampak PDRB setelah adanya pembangunan Jalur Lintas Selatan (JLS) di Kabupaten Malang. Penelitian ini merupakan penelitian eksplanatoris dengan menggunakan data time series selama 2014-2018. Lebih lanjut, data dianalisis dengan menggunakan Vector Error Correction Model (VECM) untuk mengetahui hubungan jangka pendek dan jangka panjang antar variabel. Hasil penelitian menunjukkan bahwa dalam jangka pendek kedua variabel memiliki hubungan yang negatif terhadap PDRB. Hasil lain menunjukkan bahwa pada jangka panjang, indeks pembangunan manusia memiliki pengaruh yang negatif terhadap PDRB sedangkan kemiskinan secara positif berpengaruh terhadap PDRB.
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