feasibility of methanolic wastes treatment containing chlorophenol in experimental uasb reactors i.e. r-i and r-ii working side by side constantly for a couple of almost 32 weeks were studied. uasb reactor r-i was initiated by utilizing the digested sludge alone, whereas, the uasb reactor r-ii was startedup by adding an activated carbon of an effective size 1.5-2.5mm to the digested sludge with...

Understanding the effects of climate change on agro-ecosystems is fundamental in order to select optimum management practices mitigate environmental pressures. There a need forecast greenhouse gas emissions (GHG) grassland systems under scenarios whilst also accounting for SOC sequestration. The objective this study assess net GHG over > 405,000 hectares (ha) moist temperate Northern Spanish gr...

One of the main challenges for one phase anaerobic digestion processes is the high concentration of NH4 and PO4 ions in the digested sludge supernatant. This project focuses on enhancing the removal of nutrients during the anaerobic digestion process through fixing both NH4 and PO4 ions in the form of struvite (magnesium ammonium phosphate, MAP, MgNH4PO4.6H2O) within the anaerobic sludge. Batch...

Anaerobic liquid dairy digestate is a by-product of waste anaerobic digestion from operations and associated with environmental risks if not handled properly, particularly nutrient leaching losses, water contaminations, greenhouse gas emissions. We tested the applications anerobic (AD) as biofertilizer source in vegetable production to integrate food industry management for sustainable environm...

In this study, anaerobic co-digestion of dairy manure (DM) and potato waste (PW) was evaluated to determine the best mixing ratio in terms of biogas and methane (CH4) productions. Batch lab-scale anaerobic co-digestion of DM with PW was conducted at two different temperature ranges [mesophilic (MT) (35-37 oC) and thermophilic (TT) (55-57 oC)]. The tests were conducted at five DM:PW mixing ratio...

Abstract Anaerobic digestion (AD) is a natural biochemical process that converts organic materials into combustible biogas. AD has been long practiced for agricultural and urban waste management; however, this getting more attention as an alternative energy source nowadays. Additionally, various biogas-derived value-added chemicals transportation fuels are turning profitable biorefinery busines...

Dairy manure management is increasingly becoming an environmental challenge. In this regard, manure anaerobic digestion (AD) can be applied to address environmental concerns; however, dairy manure AD remains economically uncompetitive. Ongoing research is focused on enhanced resource recovery from manure, including maximizing AD methane yield through a novel multi-stage AD configuration. Resear...

Oilseed rape straw (ORS) is a kind of biorefractory waste widely existing in the rural area of China, which is highly suitable to mix with kitchen waste (KW) and duck droppings (DD) in two-phase anaerobic digestion (AD). This research introduced the importance of KW and DD addition to improve the biogas production and biodegradation of ORS. A set of comparative experiments were conducted on two...

Source separated toilet water (black water; BW) is an important alternative nutrient source for agriculture. However, reuse and recovery of nutrients from BW limited by the presence pollutants, such as pathogens micropollutants. In this study, fate micropollutants during thermophilic hyper-thermophilic anaerobic digestion (AD) concentrated vacuum collected assessed. A total eight pharmaceutical...

Previous chapters within the Climate Friendly Farming (CFF) anaerobic digestion (AD) section have focused on the development of new auxiliary technologies that work in conjunction with the core digester. These technologies allow for the production of numerous co-products that enhance project economics and improve sustainability. In addition to these important technology developments, there is a...