نتایج جستجو برای: calorific value
تعداد نتایج: 734302 فیلتر نتایج به سال:
a relatively constant amount of dieldrin, a chlorinated hydrocarbon insecticide, is directly related to obesity. This relationship should be applicable regardless of the route of absorption of dieldrin (ingestion, inhalation, or percutaneous). Forced feeding of a high calorific value food appears to have a place in the treatment of dieldrin poisoning and, by extension, in the treatment of poiso...
Bioenergy is increasingly being used to meet EU objectives for renewable energy generation and reducing greenhouse gas (GHG) emissions. Problems with using biomass however include high moisture contents, lower calorific value and poor grindability when compared to fossil fuels. Torrefaction is a pre-treatment process that aims to address these issues. In this paper four torrefaction treatments ...
This paper reports the pyrolytic treatment of granulated scrap tires (GST) in a pilot distillation unit at moderate temperature (550°C) and atmospheric pressure, to produce oil, char and gas products. Tire-derived oil is a complex mixture of organic C(5)-C(24) compounds, including a very large proportion of aromatic compounds. This oil has a high gross calorific value (∼ 43 MJ kg(-1)) and N and...
Abstract Recently, casting simulations have been used to improve the product quality and yield during casting. However, there are cases in which simulation results do not reproduce defects product. Although accurate physical property values necessary for highly simulations, some dependable. occurrence of defects, such as shrinkage porosity, has compared between simulated actual products by vary...
This study reports the feasibility of reusing glass fibre waste resulting from the thermolysis of polyester fibreglass (PFG) to produce a glass-ceramic material. PFG was treated at 550oC for 3 h in a 9.6 dm thermolytic reactor. This process yielded a solid residue (≈68 wt.%), an oil (≈24 wt.%) and a gas (≈8 wt.%). The oil was mainly composed of aromatic (≈84%) and oxygenated compounds (≈16%) an...
Renewable biodiesels are needed as an alternative to petroleum-derived transport fuels, which contribute to global warming and are of limited availability. Algae biomass, are a potential source of renewable energy, and they can be converted into energy such as biofuels. This study introduces an integrated method for the production of biodiesel from Chara vulgaris algae collected from the coasta...
This study investigated the chemical and thermal properties of faecal sludge from 10 dry VIP latrines in Bester’s Camp in the eThekwini Municipality, Durban, South Africa. Faecal sludge samples were selected at different depths and from the front and back sections of 10 VIP latrines during a manual emptying process. The samples were analysed for: moisture content; volatile solids; chemical oxyg...
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