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292853426 Thermal analysis of co-firing of oil shale and biomass fuels.  
The effect of co-firing of biomass fuels with oil shale on combustion was investigated. Thermogravimetric analysis and differential scanning calorimetry were the tools used to perform the...
292853425 Impact of oil shale opencast mining and combustion on Narva River and its tributaries: chemical and ecotoxicological characterisation.  
The influence of oil shale extraction in Narva opencast and combustion in Eesti and Balti power plants on the quality of surface waters and sediments of the Narva River left-bank tributaries...
292853424 Modeling of hydrocarbon potential and thermal maturity of Gongila shale, Chad Basin, Northeastern Nigeria.  
The Bornu Basin, which represents a part of the Chad Basin in Nigeria, makes one-tenth of the total area of the Chad Basin that extends to the Republic of Niger, Chad and Cameroun. This basin is...
292853423 Quantitative evaluation of oil shale based on well log and 3-D seismic technique in the Songliao Basin, Northeast China.  
The quantitative evaluation of the Upper Cretaceous oil shale has been conducted by abundant testing, log and seismic data from the Songliao Basin in Northeast China. Based on the...
292853422 Composition of the organic constituents of Dahuangshan oil shale at the northern foot of Bogda Mountain, China.  
Modern analytical methods of organic petrology and organic geochemistry were used to carry out different tests like, Rock-Eval pyrolysis, Gray-King low-temperature dry distillation, and...
292853421 Autoclave pyrolysis experiments of Chinese Liushuhe oil shale to simulate in-situ underground thermal conversion.  
Laboratory level autoclave pyrolysis experiments of Chinese Liushuhe oil shale have been conducted at different heating temperatures and pressures to simulate underground in-situ thermal...
292853420 The developments of Chinese oil shale activities.  
283022530 Historical overview of using fluidized-bed technology for oil shale combustion in Estonia.  
The use of oil shale as a fuel in Estonian Power Plants started at the beginning of the 20th century (e.g. Tallinn Power Plant 1923, Pussi Power Plant 1937). For combusting lump oil shale...
283022529 Alum shales causing radon risks on the example of Maardu area, north-Estonia.  
The Maardu area is among the most polluted regions in Estonia. Past pollution here comes mainly from the phosphorite mining and processing. Waste hills at Maardu contain some 73 million tonnes of...
283022528 Kinetic analysis of co-combustion of oil shale semi-coke with bituminous coal.  
Utilization of the semi-coke collected from oil shale retorts is very important and advantageous. Due to the inflammable property, co-combustion of semi-coke with other good quality solid fuels...
283022527 The effects of acid treatment on the pyrolysis of Goynuk oil shale (Turkey) by thermogravimetric analysis.  
The present study investigates pyrolysis kinetics of raw and pretreated Goynuk oil shales by thermogravimetric analysis (TGA). Samples were treated with HCl, HN[O.sub.3] and HF solutions...
283022526 Preparation of alumina from retorting residue of oil shale.  
In this research, the leaching and preparation of [Al.sub.2][O.sub.3] from retorting residue of Fushun east open-pit oil shale in China were investigated. The optimum acid leaching conditions are...
283022525 Short-term tests on firing oil shale fuel applying low-temperature vortex technology.  
The present paper provides experimental data from short-term, full-scale experiments of a high-pressure pulverized firing (PF) boiler, TP-67, firing oil shale after a retrofit to use vortex...
283022524 Sea-level changes recorded by cerium anomalies in the Late Jurassic (Tithonian) black rock series of Qiangtang basin, north-central Tibet.  
The Upper Jurassic black rock series of the Amdo area of north-central Tibet have attracted attention because of its organic-rich matter and oil seepage in the rock series. Abundant ammonites...
283022523 Prospective oil shale utilization.  
275576231 Professor Paul Nikolai Kogerman and the success story of Estonian kukersite.  
275576230 El-Nakheil oil shale: material characterization and effect of acid leaching.  
The ever increasing demand for energy and the progressive depletion of crude oil resources, have renewed interest in oil shale as an alternative fuel resource. Weathered oil shale samples were...
275576229 Green process for simultaneous extraction of oil shale and enrichment of ethanol.  
Pure ethanol and its mixtures with water were used as extraction solvents for two Israeli's oil shales. Using bioethanol-like mixtures to produce organic matter from oil shales made the...
275576228 Durability behavior of Portland burnt oil shale cement concrete.  
Combustion temperature of oil shale in pulverized fuel boilers and in fluidized bed combustion equipment is different. High temperature burnt oil shale from pulverized combustion boilers and low...
275576227 Origin and mode of occurrence of trace elements in marine oil shale from the Shengli River area, Northern Tibet, China.  
With the aim of better understanding of geochemistry of marine oil shale, 25 samples from the Shengli River area were studied. The concentrations of Sr, U, Rb, Pb, and Th were 1.22 to 3.66 times...
275576226 Low-temperature pyrolysis and co-pyrolysis of Goynuk oil shale and terebinth berries (Turkey) in an autoclave.  
Low-temperature pyrolysis of Turkish Goynuk oil shale (GOS) and terebinth berries as individual objects and their dry and hydrous co-pyrolysis in a closed system, in an autoclave was studied. The...
275576225 The research published in oil shale: how it looks in bibliometric indicators.  
268604082 Influence of water discharging on water balance and quality in the Toolse River in Ubja oil shale mining region.  
The extraction of mineral resources below the groundwater table is related to water removal from surface and underground mines. Water drainage is considered the main process for keeping mining...
268604081 Kinetics of isothermal and non-isothermal pyrolysis of oil shale.  
The kinetics of decomposition of Huadian oil shale was studied by non-isothermal and isothermal methods. The non-isothermal weight loss was recorded at different heating rates (2, 5, 10, 15 and 20...
268604080 Organic geochemical characteristics of the Bilong Co oil shale (China): implications for paleoenvironment and petroleum prospects.  
The Bilong Co oil shale is located in the southern part of the Qiangtang basin. This oil shale zone, together with the Shengli River-Changshe Mountain oil shale zone in the northern part of...
268604079 Geological characteristics and some problems in development for oil shale in Northwest China.  
With the amount of oil resources becoming increasingly scarce, non-conventional resources such as oil shale, oil sands, and heavy oil, have caught our attention. There are abundant oil shale...
268604078 Studies on Fushun shale oil furfural refining.  
Solvent refining of Fushun shale oil with furfural as a solvent extraction agent was investigated. The results showed that raffinate yield decreased with either the increasing of agent/oil mass...
268604077 European Union Baltic Sea Region project "MIN-NOVATION".  
268604076 Biodegradability of phenol, resorcinol and 5-methylresorcinol as single and mixed substrates by activated sludge.  
The aim of this study was to investigate aerobic biodegradability of phenol, resorcinol and 5-methylresorcinol and their different two-component mixtures using activated sludge sampled from...
268604075 Analysis of energy development perspectives.  
258357578 Utilization of waste rock from oil shale mining.  
258357577 Beneficiation of Estonian (kukersite) oil shale.  
The beneficiation of oil shales and separation of organic matter (OM) enables expansion of fields of their industrial application. For example the concentrate of OM may be used for separation of...
258357576 The impact of meteorological parameters on sulphuric air pollution in Kohtla-Jarve.  
The hydrogen sulphide ([H.sub.2]S) and sulphur dioxide (S[O.sub.2]) data from Kalevi air quality monitoring station in the town of Kohtla-Jarve, the centre of Estonian oil shale processing...
258357575 Primary method for reduction of S[O.sub.2] emission and its impact on C[O.sub.2] in pulverized oil shale-fired boilers at Narva Power Plant.  
Primary method if used in pulverized oil shale-firing boilers in operation enables to achieve the target value of S[O.sub.2] specific emission 400 mg/[nm.sup.3]. It will also be possible to meet...
258357574 Technique of preparing modified silica from oil shale residue.  
The raw material--residue of oil production from Huadian oil shale--was modified with cationic surfactants; the hydroxyl groups on the aggregated silica surface were alkylated directly. The...
258357573 Variable reaction order for kinetic modeling of oil shale pyrolysis.  
This work investigates kinetics of El-Lajjun oil shale pyrolysis. The kinetic data obtained from TG/DGA curves at heating rates 1, 3, 5, 10 and 30[degrees]C[min.sup.-1] to a final pyrolysis...
258357572 Thermogravimetric analysis of the combustion characteristics of oil shale semi-coke/biomass blends.  
The combustion behavior of different kinds of biomass (corn stalks, straw, rice husks, sawdust) and oil shale semi-coke and their blends was investigated. Non-isothermal thermogravimetric...
258357571 Thermal cracking and corresponding permeability of Fushun oil shale.  
In this work, thermal cracking inside an oil shale sample under different temperatures was tested using a micro-CT system. The critical temperature was determined at which sharp thermal cracking...
258357570 Dear readers!  
252848157 Historical review paper the shale-oil industry in Scotland 1858-1962. II: oil-shale quality, resources and technological advances.  
Scotland had a history of full-scale shale oil production from 1850-1962 and was a key developer of many of the technologies still used in modern-day, above ground retorting processes. The central...
252848156 Resources, production and processing of Baltoscandian multimetal black shales.  
It has been generally accepted that black shales are oil shales and have to be handled as sources of fuel oil. This attitude has been so prevalent that it is applied even to those thermally mature...
252848155 Firing Estonian oil shale in CFB boilers--ash balance and behaviour of carbonate minerals.  
The ash balance and the extent of carbonate decomposition (ECD) for circulating fluidised-bed (CFB) boilers depending on oil shale lower heating value (8.5 and 11.1 MJ/kg) were analysed. As for...
252848154 Analysis of oil shale high-selective mining with surface miner in Estonia.  
Surface miners (further SM) can find their natural applications in projects where drilling and blasting is prohibited or where high-selective mining of mineral seams required. Selective...
252848153 Pyrolysis of oil shale mixed with low-density polyethylene.  
The pyrolysis experiments on oil shale mixed with low-density polyethylene (LDPE) were carried out with the aid of thermogravimetric analyzer, differential scanning calorimetry system and...
252848152 Ageing of kukersite thermobitumen.  
Ageing of the mix of thermobitumen and oil (TBO) formed at low-temperature pyrolysis of kukersite in autoclaves was studied, and the effect of pyrolysis conditions on the share of fractions...
252848151 The influence of microwave drying on physicochemical properties of Liushuhe oil shale.  
In this paper, microwave drying of Liushuhe oil shale was studied and compared with conventional drying process. Oil shale was treated in a microwave oven at four different microwave energy...
252848150 Retorting properties of oil shale found at the northern foot of Bogda Mountain, China.  
On the basis of pyrolysis gas chromatography (PGC) technique, the retorting process of oil shale found at the northern foot of Bogda Mountain was simulated by a step-by-step procedure. The dynamic...
252848149 Oil shale technology challenge.  
244025975 In remembrance of Agu Aarna: oil shale chemist and technologist.  
244025974 In remembrance of Viktor Yefimov: 80th anniversary of his birthday.  

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