Journal of Sustainable Technology and Applied Science (JSTAS)

OPTIMIZING BRIQUETTE CHARACTERISTICS BASED ON THE RATIO OF BAMBOO AND COCONUT FIBER UNDER CONVENTIONAL METHOD

2024-05-29T01:53:23+00:00

This study aims to optimize the potential of biobriquettes produced from a mixture of bamboo and coconut fiber using starch adhesive. The focus of the research includes determining the composition ratio of bamboo and coconut fiber that gives the best results, as well as the physicochemical characteristics of the briquettes, including moisture content, volatile matter, ash content, and calorific value. In the carbonization process, bamboo is processed for 5 hours, while coconut fiber is processed for 2 hours, with an operating temperature of 140°C. This study considered variations in the ratio of bamboo and coconut fiber mixture, such as 1:1, 5:1, and 9:1. Starch adhesive was used in a concentration of 25% of the total mixture as a determining factor in the formation of biobriquettes. The results showed that the bamboo:coconut fiber mixture ratio of 5:1 gave the best biobriquette characteristics. These briquettes have low moisture content, optimal volatile matter, standard ash content, and high calorific value of 5679.15 cal/gram. Carbonization at 140°C positively influenced the physicochemical properties of the biobriquettes.

ANALYSIS OF THE EFFECT OF USING VIRTUAL TRY-ON BASED ON ARTIFICIAL INTELLIGENCE AND AUGMENTED REALITY ON FACIAL BEAUTY PRODUCTS ON PURCHASE INTENTION WITH ELECTRONIC WORD OF MOUTH AS A MEDIATION VARIABLE (CONSUMER PERSPECTIVE OF E-COMMERCE IN INDONESIA)

2024-06-27T04:01:19+00:00

This research aims to determine the effect of Virtual Try On on consumer Purchase Intention mediated by eWOM. The method used in this research is quantitative explanatory research. The population in this research is Indonesian e-commerce consumers who use the virtual try-on feature for facial beauty products, an unknown number of which are unknown. The sample in this study was obtained from the Hair formula in the amount of 10 x the number of questionnaire items, namely 240 people. Data collection used a questionnaire survey with the pick-up survey method. Data analysis uses the SEM PLS (Partial Least Square) analysis technique. The research results show that the Virtual Try On variable has a significant positive effect on eWOM, eWOM has a significant positive effect on Purchase intention, Virtual Try On has a significant positive effect on purchase intention directly and is also mediated by eWOM and the effect is complementary (partial mediation).