Nov 1, 2023 · The reactor also has several vertical sampling ports and gas collection devices for sampling and analysis. Li et al. [47] used a similar reactor (60 L) to co-compost sludge and corn straw for 35 days and found that an aeration rate of 0.24 L kg −1 DM min −1 accelerated the composting process, resulting in a HA yield of about 76 g kg −1.
Nov 13, 2020 · In the present investigation, the pre-cultured seed inoculums used for vegetable market complex waste, shortened the typical composting period from 45 to 9 days for the first time. Also, rapid size
Jan 2, 2024 · In the case of the acidogenic effluent fermentation process, short-chain fatty acids (SCFAs) and bio-h 2 can be produced via electrochemical conversion or photo-fermentation. It is possible to direct or indirectly produce 1,3-propanediol and organic acids from a substantial portion of fermentative effluents [ 123 ].
May 15, 2024 · The moisture content (MC) of the compost mixture was regulated to 55 % through the addition of tap water. 30 kg ww compost mixture (15.60 kg ww SAS, 10.39 kg ww rice husk and 0.77 kg ww compost seed) was prepared and composted for a duration of 14 days in a 200 L bench-scale composting reactor, as shown in Fig. 1.
Reactor fermentation has the advantages of short fermentation time, high efficiency, real-time monitoring of composting reaction, and controllable reaction conditions. On the other hand, the reactor composting is less dependent on the climate, ensuring a stable treatment degree.
Nov 11, 2023 · The concept of recycling organic matter and waste nutrients back to agricultural land through the process of composting adheres to the basic principle of the circular economy. The studies on composting systems have laid a solid foundation for biodegradable solid waste management, and there are still significant gaps that require attention in future research. Addressing these gaps will lead to
Nov 7, 2021 · The reactor was filled with small cubic polyester fibers with a high surface area to support anaerobic mixed culture immobilization (Figure 4). The reactor was supplied with CO, which also acted as a methanogen inhibitor, and concentrations of n-caproate, n-heptylate, and n-caprylate 1.892, 1.635, and 1.033 mmol/L, respectively, were produced .
Jul 14, 2023 · Aerobic composting is an effective way to recycle solid waste. Composting promotes the transformation of degradable organic matter in solid waste into mature manure, precursors of humic substances, by microorganisms widely existed in nature, so as to provide nutrient rich fertilizer for the growth of crops. The community and function of microorganisms play a key role in the successful progress
The fermentation cycle is 4 or 6 days. Compost Equipment with In tank Composting Technology Get A Free Quote Drum type compost reactor. The drum compost reactor is a composting system that uses a horizontal drum to mix, vent, and output materials. The roller frame is on a large support and is flipped by a mechanical transmission. The
Aug 13, 2022 · This study describes a design and construction of a smart composting reactor for improved composting process control and compares the developed system with other laboratory-scale reactors and commercial devices available for this purpose.
Mar 17, 2021 · After incubation at 50 °C and 150 rpm for 30 min, 1 mL of 3,5-dinitrosalicyclic acid (DNS) reagent was added as a colour reagent and incubated at 100 ℃ for 5 min. After cooling to room
Aug 1, 2023 · PCoA analysis showed that compost samples from day 1, day 13 and the secondary fermentation were far apart, while compost samples from days 27, 31, and 39 were closer together, indicating that bacterial communities were different between the initial composting period and the thermophilic period, and showed a high degree of stability entering
Nov 4, 2022 · Dark fermentation is a hydrogen generating process carried out by anaerobic spore-forming bacteria that metabolize carbon sources producing gas and short-chain acids. The process can be controlled, and the hydrogen harvested if bacteria are grown in a reactor with favorable conditions. In this work, bacteria selected from natural sources were grown with a defined culture media, while pH was
May 23, 2024 · Aeration (aerobic fermentors); for O2 supply, Regulation of factors like temperature, pH, pressure, aeration, nutrient feeding, and liquid leveled. Sterilization and maintenance of sterility, and. Withdrawal of cells/medium. Bioreactors are used for the production of biomass, metabolites, and antibiotics. Bioreactor.
Oct 10, 2020 · Composting technology is widely used and different technologies have been applied from static heap to windrow composting, and to intelligent reactor composting since the rapid development of landless intensive livestock farms and improved awareness of environmental impacts.
