background: waste produced in dental clinics has been the topic of investigations for many years. these waste materials have important health impacts and are hazardous to humans and the environment. objective: to investigating solid waste production and its management in dental clinics in gorgan, northern iran. methods: in this cross-sectional study, 45 of 143 public dental practices and 5 of 2...

This work investigated the potential of generating biogas from mono-digestion various substrates such as food and fruit waste (e.g., durian shell, dragon peel pineapple peel) co-digestion in different combinations a co-substrate well types (durian peel). The mixture ratio varied follows: 75:25, 50:50 25:75, which was based on weight. batch experiments were carried out using 125 ml anaerobic dig...

This article reports the deliverables of experimental study on production a completely renewable biofuel from Manilkara zapota fruit and seed oil. It was attempted to synthesis ethyl ester oil using bioethanol synthesized decayed fruit. Bioethanol produced through fermentation fruit, waste skin, pulp with Saccharomyces cerevisiae then distilled at 72°C. The yield noted as 10.45% (v/w). 95.09% p...

E-waste or electronic waste is a major waste stream resulting from the boom in consumer electronics in the past decades. With the rapid pace of technology innovation and obsolescence that leads to shortened product lifespans, the growing demand for electronics and its resulting waste poses a significant challenge in every stage of its life-cycle from the utilization of raw materials, production...

BACKGROUND Waste produced in dental clinics has been the topic of investigations for many years. These waste materials have important health impacts and are hazardous to humans and the environment. OBJECTIVE To investigating solid waste production and its management in dental clinics in Gorgan, northern Iran. METHODS In this cross-sectional study, 45 of 143 public dental practices and 5 of ...

background: dental waste can be hazardous to humans and the environment. objective: to determine the current status of dental waste management in private and public dental clinics and private dental offices in shiraz, southern iran. methods: this cross-sectional study was conducted at the shiraz university of medical sciences from february through june 2013. a stratified random sampling method ...