The influence of outdoor windrow composting on the concentration of grayanotoxins in rhododendron leaves
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منابع مشابه
بررسی امکان تولید کمپوست از لجن آبگیری شده تصفیه خانه فاضلاب یزد به روش ویندرو با تیمارهای مختلف
Background and Objective: Dewatered sewage sludge is a by-product of wastewater treatment process which can cause health and environmental problems if not properly managed. The aim of this study was to determine the feasibility of composting of Yazd WWT dewatered sludge with windrow method using different treatments. Materials and Methods: In this study, the dewatered sewage sludge was mixed...
متن کاملتعیین زمان رسیدن کمپوست حاصل از لجن تصفیه خانه فاضلاب شهری
Background and purpose: There is no specific standard on the compost maturity time of biosolids of wastewater treatment plants in Ïran therefore, the researchers made an attempt to employ different chemical and biological methods to assess the compost maturity time. Materials and methods: Ïn this study, the sludge was obtained from the drying beds of South Ïsfahan Wastewater Treatment Plan...
متن کاملInvestigation of seasonal changes in the density and diversity pattern of fungal populations in the air around processing facilities of the composting plant
Background and Objective: The aim of this study was to investigate the effect of seasonal variation on the diversity of fungal airborne species in the composting process. Materials and Methods: Samples were taken based on the 0800 NIOSH method at a height of 1.5 m above the ground during the waste separation, turning of windrow and stabilization of compost. Air samples were collected in two va...
متن کاملPretreatment of municipal solid waste prior to landfilling.
An outdoor pilot-scale study was undertaken to pretreat municipal solid waste by windrow composting. The raw waste was introduced to active composting without any source separation or pulverization. Pretreatment indicators were developed and used as a tool to measure the optimum level of sorting and waste stabilization. The moisture content of the waste dropped from 68% to 61% and the pile atta...
متن کاملThe Rhododendron dauricum L. Flavonoids Exert Vasodilation and Myocardial Preservation
Rhododendron dauricum L. is an ancient Chinese traditional herb. The pharmacological effects of R. dauricum extract have been shown in chronic tracheitis. The aim of this study was to investigate the cardiovascular effects of Rhododendron dauricum L. flavonoids (RF) on rats and its mechanisms. This study was performed in isolated vascular rings and a rat model of myocardial infarction and isola...
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