Review A critical review on characterization, human health risk 网页2024年6月15日 · The optimal pH range for minimizing malodorous emissions in composting is between 6 and 7.5 (Ding et al., 2019). 4.2. Adding additives4.2.1. Physical additives. Utilizing bulking agents is an effective and rapid method to reduce malodorous emissions in organic waste composting (Hoang et al., 2022; Zhang et al., 2013). Composting Efficiency: Definition, Examples and Explanations 网页By the time compost reaches...

Environmentally Friendly Production of D (−) Lactic Acid by 网页2017年9月10日 · Fermentation was run at 35°C and 125 rpm with an inoculum volume of 20% (v/v). NaOH was added automatically to control the pH at 6.0. The feed solution contained 730 g/L of crystallized sugar and 1% of yeast extract. In fed-batch fermentation, the feed solution was pumped into the fermenter using a peristaltic pump coupled to a Ethanol production device and process through continuous solid 网页In the meantime, t...

Composting Safety and Health – Cornell University 网页Although there are a few general safety and health guidelines (see sidebar, page 6), different composting operations face different sets of hazards. Facilities vary in scale, the feedstocks handled, composting methods, types of equipment, climate, worker skills and training, seasonality, hours of operation and level of management. INDUSTRIAL COMPOSTING – KCS Engineering 网页Moreover, KCS Engineering can supply all the elements ...

Controlling the key parameters of a bioreactor | Cytiva 网页2020年3月24日 · Controlling the key parameters of a bioreactor, such as temperature, pH, pure O 2 (pO 2 ), agitation, and pressure are essential to maintain cells in a physical and Production of Microbial Pigment in a Bioreactor | SpringerLink 网页2023年10月18日 · The use of a bioreactor in the process could improve pigment production, especially on a large scale. The bioreactor is used to regulate the fermentation process’s environ...

Anaerobic Fermentation – an overview | ScienceDirect Topics 网页Fermentation reactions supply products of biotechnological interest like short chain fatty acids, alcohols, H 2, CO 2, and methane. Major anaerobic electron acceptors are nitrate, nitrite, sulfate, CO 2, and metal oxides. Many of the anaerobic electron transport chains use redox loop enzymes for generating the H + potential over the membrane. Anaerobic fermentation for biogas production – ScienceDirect 网页2024年1月1...

(PDF) Greenhouse gas emissions from windrow composting of 网页2019年12月1日 · Meta-analysis of literature methane emission factors (g CH4 kg⁻¹ wet feedstock) from composting. Values from this study are superimposed in larger red circles (experimental [1.7 ± 0.32 g CH4 Co-composting of chicken manure with organic wastes 网页2020年1月8日 · Co-composting of organic wastes is globally recognized to be effective method to dispose two or more wastes at once and minimize drawbacks of composting su...