Influence of Gypsum-Containing Waste on Ammonia Binding in Animal Waste Composting

Valeriy Voropaev, Nataliya Alfimova, Ivan Nikulin, Tatyana Nikulicheva, Aleksej Titenko and Vitaly Nikulichev
Additional contact information
Valeriy Voropaev: Industrial Ecology Department, Belgorod State Technological University Named after V.G. Shukhov, 46 Kostyukova Str., 308012 Belgorod, Russia
Nataliya Alfimova: Building Materials Science, Products and Structures Department, Construction Engineering Institute, Belgorod State Technological University Named after V.G. Shukhov, 46 Kostyukova Str., 308012 Belgorod, Russia
Ivan Nikulin: Laboratory of Advanced Materials and Technologies, Belgorod National Research University, 85 Pobedy Str., 308015 Belgorod, Russia
Tatyana Nikulicheva: Laboratory of Advanced Materials and Technologies, Belgorod National Research University, 85 Pobedy Str., 308015 Belgorod, Russia
Aleksej Titenko: Fund of Innovative Scientific Technologies, 1, Room 3.3 Perspektivnaya Str. (Novosadovy Mkr.), Belgorod Region, Belgorod District, Novosadovy Settlement, 308518 Belgorod, Russia
Vitaly Nikulichev: Higher Mathematics Department, Belgorod State Technological University Named after V.G. Shukhov, 46 Kostyukova Str., 308012 Belgorod, Russia

Agriculture, 2021, vol. 11, issue 11, 1-16

Abstract: The possibility of using gypsum-containing waste–citrogypsum, which is a by-product of the chemical biosynthesis of citric acid, was considered as an additive for composting poultry manure from poultry farms that practice litter-free poultry keeping. The research was carried out on an experimental batch of 1500 tons. The production of the batch was carried out by mixing citrogypsum with a moisture content of 30% and litterless chicken manure with a moisture content of no more than 80% in a ratio of 1:2. The resulting mixture was placed on an open landfill in piles 3 m wide, 1 m high and 400 m long and was mixed twice with a compost turner. Further processing consisted of mixing the mass once every seven days. The controlled parameters were changes in humidity, temperature, pH and nitrogen content during composting. In the course of the experiment, it was found that the introduction of citrogypsum into the composition of the compost helps to optimize the moisture, temperature and pH of the mixture, and a decrease in ammonia emission to 87% was recorded, with an increase in nitrogen content of 2.4 times compared to the initial value. It was concluded that citrogypsum can be used in composting poultry waste to reduce volatilization of ammonia and preserve nutrients.

Keywords: gypsum-containing waste; citrogypsum; chicken droppings; chemical reclamation; nitrogen; ammonia volatilization (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
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