| Global NEST Journal

Anaerobic co-digestion of low Chemical oxygen demand concentration sludge mixture by different pretreatment methods

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Wenhai Lin et al. View all

Issue 2

Solid Waste Management

Three laboratory scale systems were operated to study the anaerobic co-digestion of sewage sludge with the excess activated sludge and cattle manure which contained low COD concentration. The experiments were performed to evaluate the effects of different methods of pretreatment. Since the poor...

Anaerobic digestion Manure +4 more

Kinetic Model of Anaerobic Digestion from Chicken Manure and Thai Rice Noodle Wastewater in Continuous Reactors

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Sunwanee Jijai et al. View all

Issue 1

Environmental data analysis and modelling

A kinetic model was used to describe the anaerobic co-digestion of chicken manure (CM) and Thai rice noodle wastewater (TRNW) in continuous reactors. This research investigated the effects of mixing interval and hydraulic retention time (HRT) on methane production and other related kinetic...

Kinetic Model Anaerobic digestion +2 more

Optimization of Pilot scale Biogas Plant for mixed food wastes with cow dung by anaerobic digestion process

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Prithiviraj. C and Sivarethinamohan. R et al. View all

Issue 9

Solid Waste Management

The primary aim of this research is to identify the best anaerobic digestion process yield for generating biogas from mixed food waste in the combination of cow manure. For the biogas generation experiment, certain biodegradable domestic organic wastes gathered from restaurants, waste storage...

biogas production Anaerobic digestion +2 more

Utilization of Bokashi Composting and Animal Feed Silage for Sustainable Agricultural Waste Management and Environmental Impact Analysis

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Mochamad Arief Budihardjo et al. View all

Issue 9

Sustainable Energy

Agriculture is a major driver of sustainable development in developing countries. However, with the increase in the global population, the amount of waste generated by agriculture has also increased, leading to environmental pollution. The increase in agricultural activity is proportional to the...

Agriculture Waste Bokashi Composting +3 more

Adsorption of Co(II) ions using indigenous tamarind seed biochar: batch adsorption and modeling studies

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Karthik Velusamy et al. View all

Issue 6

Water and wastewater treatment and reuse

With an estimated volume of 162 thousand metric tonnes in 2020, India is the world's largest producer of tamarind. The country is home to a number of tamarind species, and production is spread out across the country. Farmers and agro-industries continue to encounter numerous challenges in the...

Agricultural waste Tamarind seeds +5 more

Influence of fertilization systems to the soil inorganic compounds. Case study: monocul-tures of cereals, leguminous and oleaginous

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Emilian Mosnegutu et al. View all

Issue 2

Soil and groundwater contamination and remediation

The main objective of this article is to observe the variation of the content of inorganic compounds in the soil (cobalt, selenium, barium) under the influence of fertilization systems applied to different monocultures of cereals (wheat, corn), leguminous (peas) and oleaginous (sunflower). High...

inorganic compounds fertilization systems +1 more

Experimental investigation of biogas production from cytrus waste: Co-digestion with cattle manure

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Sonia Rincón et al. View all

Issue 3

Sustainable Energy

Biogas production through anaerobic co-digestion of a mixture of cattle manure and citrus waste using an experimental facility for testing the biochemical methane potential (BMP) was investigated. No buffer solution is added to the mixture in order to use the buffer capacity from cattle manure...

Anaerobic digestion Biodegradability +4 more

Spatialised agricultural nitrogen balance of Veneto region, Northern Italy: sources identification, assessment and policy relevance

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Pulighe G. et al. View all

Issue 2

Environmental management and policy

The aim of this study is to deepening knowledge on the agricultural nitrogen cycle within the Veneto region (Northern Italy) by computing the Gross Nitrogen Balance (GNB) with highly geographical resolution. Spatialised maps of nitrogen input and output, created using the most detailed information...

Gross Nitrogen Balance Agro-environmental Land Units +3 more

Effect of calcium cyanamide on pathogenic escherichia coli during mesophilic composting and impact on composting process

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Simujide H., Aorigele C., Wang C.J., Manda B. and Ma L.N.

Issue 4

General

The objective of the study was to determine the effect of CaCN2 on pathogenic E. coli as an antimicrobial agent and its impact on composting progress as an amendment in dairy cow manure based mixtures composted at laboratory scale. The changes in physical parameters, chemical parameters and...

zoonotic pathogen antimicrobial agent +4 more

Co-composting of meat packing wastewater sludge and organic fraction of municipal solid waste

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Bien J., Neczaj E. and Milczarek M.

Issue 4

General

The use of organic manures as amendments to improve soil organic matter level and long term soil fertility and productivity is gaining importance. The disposal of the great quantity of organic wastes produced by the municipal, agricultural and agroindustrial activities, is causing energetic...

Site specific agricultural soil management with the use of new technologies

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Miltiadis Iatrou et al. View all

Issue 1

Environmental management and policy

The Soil Science Institute of Thessaloniki produces new digitized Soil Maps that provide a useful electronic database for the spatial representation of the soil variation within a region, based on in situ soil sampling, laboratory analyses, GIS techniques and plant nutrition mathematical models...

soil map new technologies +2 more

Dispersion modeling of odours emitted from pig farms: winter-spring measurements

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Latos M., Karageorgos P., Mpasiakos Ch., Kalogerakis N. and Lazaridis M.

Issue 1

General

One of the main environmental impacts of pig farms are the swine odours emitted from the various stages of the process. The main cause of odour emissions from pig farms are the anaerobic processes in manure. Numerous factors affect odour emissions such as diet, manure management and manure age. The...

odour dispersion modeling odour measurements +3 more

Microbial community dynamics and stability assessment during green waste composting

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Gazi A.V., Kyriacou A., Kotsou M. and Lasaridi K.E.

Issue 1

General

Green waste (leaves, grass and shredded twigs) was composted for 5.5 months in a wooden composting bioreactor, of 1 m3 capacity, using both passive convective aeration, facilitated by the design of the bioreactor, and manual turning. Temperature was measured daily, while samples were analysed for...

Green Waste composting stability +8 more