As the advancement of technology and dependencies over the electrical appliances increases, the usage and requirement of electricity is also increases rapidly. Eliot is a smart energy prepaid meter based on Internet of Things [1] . This smart meter [2] will be helpful in generating the real-time data of the electricity usage. Users will be able to see their daily usage from a web app with the help of their unique identification number and password provided to them at the time of installation of this device. The main aim of this paper is to make a novel system which will help in reducing the usage of electricity and bring transparency between the electricity providers and the customers. This meter needs to be recharged similar to a mobile phone, payment for recharge can be done on a web portal designed for it. User will then be able to view the usage of electricity in a statistical manner with the balance available in their device. User can also stop flow of electricity from remote location if the electricity is not in use.
Citric acid is one of the most commonly used and easily available multifunctional organic acids. This is widely used in different industrial applications. Citric acid is 2hydroxyl 1,2,3 propanetricarboxylic acid. It is present in many fruits and vegetables. Citric acid is usually found in lemon. The global demand for Citric acid is about 6.08x105per year its uses are increasing day by day. Aspergillus niger and Aspergillus flavus organisms are used for citric acid production. In this present study citric acid production from the different waste substrates such as Banana peels, Coconut husk, and Rice straw were carried out using Aspergillus niger and Aspergillus flavus isolated from soil sample. Characterization and identification were done with the help of microscopic examination based on lactophenol cotton blue staining. Aspergillus niger and Aspergillus flavus are appeared as branched hypae with conidial spore. The production of citric acid was performed by solid state fermentation and estimated on the different fermentation days, different pH and different concentration of substrate. We observed that high level of citric acid production was on 9th day of fermentation as compared to others days of fermentation.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.