Biogas production and nutrients removal from slaughterhouse wastewater using integrated anaerobic and aerobic granular intermittent SBRs – Bioreactors stability and microbial dynamics

Aziz, Asad; Rameez, Hasan; Sengar, Ashish; Sharma, Diwakar; Farooqi, Izharul Haq; Basheer, Farrukh

doi:10.1016/j.scitotenv.2022.157575

Cited by 7 publications

(1 citation statement)

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“…Anaerobic treatment is the most used due to the large amount of organic matter contained in this type of effluent (Khawer et al, 2022) . However, normally, anaerobic treatment is not sufficient for a complete elimination of the organic load contained in the effluent, so post-treatment based on aerobic systems is necessary (Aziz et al, 2022) . The physicochemical properties of this type of effluent make it advisable not to rely solely on anaerobic or aerobic processes.…”

Section: Existing Legislationmentioning

confidence: 99%

Wastewater management from municipal slaughterhouses in Mexico: quantities produced, existing legislation, treatment processes applied and future challenges

Rivera-Castellanos,

Marín-Peña,

Juarez Reyes

et al. 2023

Renew. energ. biomass sustain

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Wastewater from municipal slaughterhouses remains a persistent issue in the world, owing to its inherent characteristics it has been categorized as one of the most environmentally detrimental water sources. Mexico has 972 registered facilities dedicated to meat processing, so it is necessary to establish the best treatment options in order to achieve efficient control of the wastewater produced, reduce water consumption and enhance the utilization of natural resources. The objective of this study was to estimate the quantities of municipal slaughterhouse wastewater produced in Mexico and to provide information on the legislation applicable to the disposal and discharge of these effluents. It also presents the nature-based solutions that could be applied and that are technically and economically feasible, as well as future opportunities for the sustainable management of this type of wastewater. The state of Jalisco is the largest generator of wastewater and solid waste in the country, and significant progress has been made in the transition of public policies toward a sustainability model nationwide. These advancements are supported by legal foundations, institutional frameworks, and governmental bodies. The competitive advantages of nature-based solutions such as constructed wetlands over other treatment technologies include low operation and maintenance costs, ease of implementation, low energy consumption, and the fact that they are not harmful to nature and receiving bodies. While significant progress has been made in the management and sanitation of slaughterhouse wastewater, challenges persist with regard to the technologies employed (design and operation parameters, scaling up, biochemical processes involved, etc.) which in turn become excellent areas of opportunity for future research.

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Section: Existing Legislationmentioning

confidence: 99%