The tower fermenter is an elongated non-mechanically stirred fermenter with aspect ratio of at least 6:1 for tubular section or 10:1 overall, through which there is unidirectional flow of gases. The tower fermenter used for citric acid production on a laboratory scale having height: diameter ratio of 16:1.
Nov 18, 2021 · Fossil fuels are a major contributor to climate change, and as the demand for energy production increases, alternative sources (e.g., renewables) are becoming more attractive. Biofuels such as bioethanol reduce reliance on fossil fuels and can be compatible with the existing fleet of internal combustion engines. Incorporation of biofuels can reduce internal combustion engine (ICE) fleet carbon
SWEEP | Setting the Standard in Solid Waste Management. Solid Waste Management Revolution: Transforming the Industry. Join SWEEP. Municipal Solid Waste and its Connection to the Environment. In this insightful analysis, solid waste’s significant carbon footprint prompts a rethinking of traditional approaches.
Dec 1, 2021 · The data was expressed as mean ± standard deviation. One-Way ANOVA for analysis of variance and Duncan test as post hoc was used with a confidence interval of 95% (p < 0.05). All analyses were performed using the IBM SPSS statistical package version 20.0 (IBM, New York, USA). 3. Results and discussion3.1. Characteristics of food waste
Nov 1, 2023 · This study reports the development and operation of a solid-state submerged fermenter (3SF) to produce short-chain fatty acids (SCFAs) from food waste at high volumetric loading of 55 gVS/L reactor.
Jan 1, 2020 · A study was conducted by Qian et al. [30] on the first industrial-scale garage-type dry fermenter (GTDF) plant for treating municipal solid waste (MSW) located in the city of Harbin in Heilongjiang province, China. The first GTDF was developed to treat MSW for producing biogas and monitored for 180 days in their study.
Jul 25, 2021 · For a standard culture of PNS bacteria the optimal light intensity range lies between 4000 and 5000 lux. After the value of 5000 lux (saturation point) the hydrogen production decreases [ 22 , 23 ]. However, this saturation point can change if the culture conditions change in the system.
Jun 1, 2016 · The effects of pH on lactic acid fermentation were evaluated in four identical reactors (P1–P4, in Table 2).According to the results of some researchers and of our previous studies, the TS of fermentation substrate ranged from 2% to 13% (Liang et al., 2014, Wang et al., 2014, Zhang et al., 2016); the TS of the slurry in this study was firstly adjusted to 7% with tap water.
international journal of scientific & technology research volume 9, issue 03, march 2020 issn 2277-8616 1943 ijstr©2020 www.ijstr.org 3 feasibility study
Mar 8, 2022 · These values are established in international standards for a stirred tank fermenter (Bates et al. 1963). 5.4.6 Aeration and the Impeller Velocity. The aeration rate should be fixed depending on the fermenter and organism substrates causing the fermentation (Rajavathsavai et al. 2014). If enough rate of aeration is not provided, it can prevent
Jan 1, 2018 · The commercial production of ethanol involves several steps: feedstock preparation, pretreatment, inoculum development, fermentation, and downstream processing. The following sections describe the unit processes involved in ethanol production, with a general process flow diagram presented in Fig. 5.4.
The EHS Guidelines for Waste Management cover facilities or projects dedicated to the management of municipal solid waste and industrial waste, including waste collection and transport; waste receipt, unloading, processing, and storage; landfill disposal; physico-chemical and biological treatment; and incineration projects.2 Industry-specific w
Jan 1, 2022 · However, the design and operation of industrial food fermentation processes, except those for food ingredients and processing aids such as flavorings and enzymes, differ from that of standard submerged fermentation processes described in the previous sections. 5.3.1. Advances in industrial vegetable fermentation
Jul 1, 2013 · All experiments were repeated in three times and the mean value and standard deviation were recorded. The concentration of different amino acids in fermentation broth was determined by an amino acid analyzer (L-8900, Hitachi, Japan). The supernatant was obtained from fermentation broth centrifugation at 1000g for 10 min.
Dec 8, 2017 · For production of P-solubilizing biofertilizer in India, the recommended quality standards for both carrier-based and liquid-based formulations should be as per FCO 1985 (amended in year 2009) (Table 12.4).