Apr 27, 2018 · This led to a maximum bioethanol production of 0.95 g/g from onion peels and 0.66 g/g from tea waste [292] . Discarded fruit and vegetable peels as kitchen waste were fermented in shaking
Apr 27, 2018 · This led to a maximum bioethanol production of 0.95 g/g from onion peels and 0.66 g/g from tea waste [292] . Discarded fruit and vegetable peels as kitchen waste were fermented in shaking
In this work, kitchen waste was used as substrate for bio-pesticide production by solid-state fermentation. It was assessed to be well suited for the growth of Bacillus thuringiensis in the experiments. The culture medium contents were optimized by an orthogonal test.
Mar 3, 2023 · To obtain ethanol from kitchen waste under non-sterilized fermentation conditions, the Zymomonas mobilis (a gram-negative ethanol-producing bacterium that can tolerate a high concentration of ethanol and a wide pH range) was used as a fermentation strain (control bacterium), and then the acid-resistant Zymomonas mobilis (GZNS1) was cultured
an health and the environment underscores the urgency to shift towards sustainable alternatives.Bio-enzymes emerge as a chemical free substitute for household cleaning needs, exhibitin. efficacy in areas such as kitchen and bathroom cleaning, stain removal, and insect repellency.. The production of these bio-enzymes involves the fermentation. f
Sep 15, 2023 · Amongst the top 30 keywords in the search frequency, there are fermentation substrates such as waste activated sludge, food waste, microalgae, and crude glycerol; and fermentation products such as hydrogen, biogas, ethanol, butanol, VFAs, lactic acid and succinic acid, which also reflect the research hotspots in this field.
Feb 1, 2013 · Both WAS and kitchen waste were stored at °C before being used to produce SCFA. The main characteristics of WAS and kitchen waste (average data plus standard deviation of duplicate tests) are tabulated in Table 1. As shown in Table 1, protein, carbohydrate and lipid are the major organic matters in the current fermentation feedstock.
Kitchen waste was generally referred to the waste generated in residents' daily life, food processing, catering services, unit meals and other activities, which was rich in organics such as carbohydrates, proteins, fats (Feng et al., 2021). In the fermentation process, a variety of small molecular organic acids such as acetic acid, propionic
Oct 24, 2011 · The aim of this study was to obtain the optimal conditions for organic acids production from anaerobic digestion of kitchen waste using response surface methodology (RSM). Fermentation was carried
Aug 1, 2023 · The fermentation mixture was made in the ratio 1:3:10 (1 part brown sugar, 3 parts fruits/vegetable peels and 10 parts water) and left for 3 months for fermentation.
Apr 1, 2021 · Kitchen waste specifically is a large component of urban waste and accounts for approximately 37-62 % of urban domestic waste and it is estimated that approximately 30 million tons of it are
Jul 6, 2019 · Kitchen waste (KW), as organic waste, is an easily biodegradable organic matter with high-moisture, protein, carbohydrate, lipid contents. However, the major restraint of AD of KW alone is the rapid collection of volatile fatty acids then the pH drop in the reactor, which hinders methanogenic bacteria [ 7 , 28 ].
Feb 8, 2022 · Compared with other culture , solid-state fermentation has the following advantages: (1) the medium is simple and widely available, mostly inexpensive natural substrates such as biomass straw, etc. (2) Low investment and low energy consumption. The technology is simple. (3) The yield of the product is high.
Mar 26, 2021 · The application of solid-state fermentation by different microorganisms (fungi, yeasts, bacteria) to produce several value-added products was analyzed, focusing on the exploitation of lactic acid bacteria as workhorses for the production of flavoring compounds. Keywords: waste, valorization, fermentation, lactic acid bacteria, flavor.
Jan 27, 2022 · Kitchen waste (KW) is a kind of renewable solid organic waste with annually increasing emissions. Improving the saccharification efficiency of lignocellulose and starch components in KW is very important to realize the economic feasibility of its bioethanol production.
The abundance of organic solid waste throughout the world has become a common issue that needs complete management at every level. Also, the scarcity of fuel and the competition between food and substance as an alternative to a petroleum-based product has become a major problem that needs to be properly handled. An urge to find renewable substances for sustainable development results in a