Papers by Satya ranjan Das
Optimization of process parameters for enhanced biohydrogen production using potato waste as substrate by combined dark and photo fermentation
Biomass Conversion and Biorefinery, 2022
Molecular biohydrogen production by dark and photo fermentation from wastes containing starch: recent advancement and future perspective
Bioprocess and Biosystems Engineering, 2020
Abstract Changing lifestyle is increasing the energy demand. Fossil fuel is unable to deliver suc... more Abstract Changing lifestyle is increasing the energy demand. Fossil fuel is unable to deliver such huge energy. Clean energy from renewable source can solve this problem. Hydrogen is a clean and energy-efficient fuel and used for electricity generation by fuel cells or can be used in combustion engine. Easy availability of starch wastes from different industrial food processing wastes makes it a potential source for hydrogen (H 2 ) generation. Among various processes such as steam reforming, electrolysis, biophotolysis of water and anaerobic fermentation, anaerobic fermentation technique is environmentally friendly and requires less external energy, making it a preferred process for H 2 generation. Dark fermentation process can use wide range of substrates including agricultural and industrial starchy waste with low level of undesirable compounds. Application of both anaerobic dark and photofermentation can improve H 2 yield and production rate. H 2 production from wastes containing starch serves dual benefit of waste reduction and energy generation. As starch is a polymer and all hydrogen-producing bacteria cannot produce amylase to hydrolyze it, a pretreatment step is required to convert starch into glucose and maltose. In this present review paper, we have summarized: (i) potential of various types of starch-containing wastes as feedstock, (ii) various fermentation techniques, (iii) optimization of external process parameter, (iv) application of bioreactor and simulation in fermentation technique and (v) advancement in H 2 production from starchy wastes. Graphic abstract
International Journal of Mechanical and Industrial Engineering, 2012
Composites are the combination of a reinforcement fibre in a thermoset polymer resin matrix, wher... more Composites are the combination of a reinforcement fibre in a thermoset polymer resin matrix, where the reinforcement has an aspect ratio that enables the transfer of loads between fibres, and the fibres are chemically bonded to the resin matrix." FRP (fibre reinforced plastic) Sandwich structure are defined as a three layer type of construction a thick layer known as core and two thin polymer layer known as face. In automobile and aerospace industries FRP composites are used due to numerous advantage like mechanical, chemical, thermal properties and light weight. The mechanical, thermal chemical properties can be optimize by stabilizing the core[1][2]. For this study various raw material characterization done .Aluminium honeycomb used as a Core material (25mm thick) and Epoxy prepreg (layer used as a face sheet material) & PU foam provide housing for core [5]. The experiment conducted according to raw material characterization test report. by autoclave curing At a particular temperature, pressure ,vacuum with respect to time process optimized ,sandwich cured and stabilized. Finally the test conducted According to ASTMD & DIN standard as a result it shows that the stabilized FRP sandwich having excellent mechanical properties compare to core crushing FRP sandwich.
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Papers by Satya ranjan Das