Journal of Research in Environmental Health

Journal of Research in Environmental Health

Investigation of Compost guality of Babol(Mazandaran),Aq Qala (Golestan)and Rasht(Gilan)compost plant and comparison with the standards

Document Type : Research article

Authors
Mohammad Ali Zazooli 1
Jamshid Yazdani 2
Mohsen Khanbabaee 3
1 Environmental Health Engineering, Mazandaran University of Medical Sciences and Health Services,Sari,Iran.
2 Department of Biostatistics, School of Public Health, Mazandaran University of Medical Sciences and Health Services,Sari,Iran.
3 Environmental Health Engineering, Mazandaran University of Medical Sciences and Health Services, Sari, Iran.
10.22038/jreh.2020.37380.1268
Abstract
Background and purpose:The bulk of the waste of our country is considered to be corrupt.Compost is the best option for managing this waste component.That's why a lot of compost industries have been built in the country.Produced fertilizer compost should be in accordance with standards,so that it can be used to improve soil quality;Therefore,the purpose of this study was to study the physical,chemical and biological properties of compost manure produced by compost industries in Mazandaran,Golestan and Guilan provinces in 2016 and compare them with standards.

Materials and methods:This study is a descriptive-analytic study.Sampling and analysis of physical,chemical and biological parameters; Once a month during the 3 months of spring.Data were analyzed using SPSS16 statistical software.

Results:The results showed that pH, particulate matter, phosphorus,percentage of foreign matter and heavy metals in Babol,Rasht and Aq Qala samplers were lower than standard standards of Iran,WHO and Guttos theory.In terms of moisture and C/N it is compost grade 2.For example,in terms of carbon dioxide,organic matter and nitrogen are in the compass grade I and Iran's Gotthes theory and are acceptable.In terms of fecal coliforms and Salmonella in Class A, it is considered to be in Class B leech seed.

Conclusion:This study showed that the quality of compost produced is in grade 2 and therefore, in order to achieve grade 1 compost,measures such as separation at source and more principled utilization of the fertilization process are needed.
Keywords
standards
Heavy metals
Solid waste
organic materials
humus
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Journal of Research in Environmental Health
Volume 5, Issue 4 - Serial Number 20
Winter 2020
Pages 341-352