搜索结果: 1-11 共查到“环境科学技术 Wastes”相关记录11条 . 查询时间(0.078 秒)
A Study on the Radioactivity Level in Raw Materials, Final Products and Wastes of the Phosphate Fertilizer Industries in Bangladesh
Raw Materials Radioactivity Phosphate Fertilizers and HPGe Detector
2013/3/12
A study on the detection of probable radionuclides and their activity concentrations in the raw material (phosphate rock), final product (fertilizer) and waste samples collected from all the phosphate...
Evaluation of Nitrogen and Phosphorus Wastes Produced by Nile Tilapia (Oreochromis niloticus L.) Fed Azolla-Diets in Earthen Ponds
Azolla Aquaculture Environment Fish Meal Replacement Oreochromis niloticus Nitrogen Phosphorus Nutrient Balance
2013/3/11
Nitrogen (N) and phosphorus (P) wastes produced by Nile tilapia Oreochromis niloticus L. fed Azolla, an aquatic atmospheric nitrogen fixing fern, was evaluated for 90 days in pond experiment. Six ison...
Effect of Solid Wastes Composition and Confinement Time on Methane Production in a Dump
Mexico Biodegradability Emissions Biogas Methane
2013/3/13
In developing countries, illegal dump structures or even some landfills do not include methane collecting systems, even if local environmental laws exist. In this condition, the greenhouse gas escapes...
Behavior of Cu, Pb, and Zn in Ash during the Endothermic Burning of Mixed Industrial Wastes
Heavy Metals Endothermic Burning Portioning Behavior Industrial Waste Ash
2013/3/12
The behaviors of Cu, Pb, and Zn during the endothermic burning of heterogeneous wastes were investigated using a variety of operational parameters, i.e., the mixed waste ratio, burning temperature, an...
Coupling System for Food Wastes Anaerobic Digestion and Polyhydroxyalkanoates Production with Ralstonia eutropha
fermentative acids food wastes fermentative acids
2009/11/16
A new technology was developed to couple the anaerobic digestion of food wastes with production of polyhydroxyalkanoates (PHAs). Acetic, propionic, butyric and lactic acids were produced during food w...
Metallurgical Evaluation of Liquor Wastes of Galvanizing Plants
Hot galvanizing Waste pickling liquors Goethite precipitation Zinc precipitation
2009/10/14
In this study, the treatment of waste pickling liquor which was taken from a hot dip galvanizing process was investigated. The steps of the process used for the treatment of this solution were goethit...
Investigation of Geochemical and Leaching Characteristics of Solid Wastes from Yeniköy (Muğla-Turkey) Power Plant
Bottom ash fly ash leachate solid waste thermal power plants
2009/10/13
The use of lignite in power generation has led to increasing environmental problems associated not only with gaseous emissions but also with the disposal of ash residues. In particular, the use of low...
Reduction of Iron Oxides in Solid Wastes Generated by Steelworks
Solid waste Reduction Iron oxides Steel plants Sponge iron Recovery
2009/10/13
Solid wastes generated by integrated iron and steel works cause environmental pollution and therefore must be discarded accordingly. Extensive research is being conducted for the recovery and eliminat...
Degradation of Corn Oil Wastes by Fenton Reaction and Under Mildly Basic Media in the Presence of Oxidants Assisted with Sun Light
photodegradation hydrogen peroxide persulfate
2009/1/15
The degradation of water soluble corn oil wastes was carried out by Fenton reaction and also under mildly basic media in the presence of oxidants, such as hydrogen peroxide and persulfate, assisted wi...
Behaviour of Main Microbiological Parameters And of Enteric Microorganisms During the Composting of Municipal Solid Wastes and Sewage Sludge in A Semi-Industrial Composting Plant
Solid wastes Sewage sludge Compost Temperature Pathogenic bacteria Faecal
2008/12/22
This study was focused on the microbiological aspects of composting and on the behaviour of main prevalent microbial communities (non-pathogenic and selected pathogenic bacteria) during the composting...
Emissions of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans from the Incinerations of Both Medical and Municipal Solid Wastes
PCDD/Fs emission factor incineration municipal solid waste medical waste
2016/3/30
Emissions of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) from the stack flue
gases of four medical waste incinerators (MWIs) and ten municipal solid waste incinerators
(MSWIs) were...
