Objective
THE AIM OF THIS PROJECT IS TO DETERMINE THE CONDITIONS OF OPTIMUM CONVERSION TO LIQUID FUELS WHEN SPANISH LIGNITES ARE CO-PROCESSED WITH PETROLEUM HEAVY ENDS.
Different studies on solvolysis and liquefaction of Bergueda lignite have been carried out. The influence of various pure and mixed solvents, solvent to coal ratios, coal particle sizes, temperatures, inert and reactive atmospheres, and hydrodesulphurisation catalysts on solvolysis and liquefactionyields, and product distribution has been studied at bench scale. A kinetic model, describing the conversion of coal to preasphaltenes, asphaltenes and oils under different conditions has been proposed. Results show that yields are high despite the large inertinite content of the Bergueda lignite.
Coprocessing appears to be an appropriate technique to treat high sulpher content lignites, such as the Berguda and Utrillas, in order to obtain acceptable conversions to upgraded products. The yields from coprocessing, the composition of asphaltenes and oils, and the total amount and composition of product gases have been obtained at 375, 410, 425 and 440 C.
CO-PROCESSING OF COAL WITH PETROLEUM SHOULD REDUCE OR EVEN ELIMINATE THE NEED FOR SOLVENT RECYCLE IN DIRECT LIQUEFACTION;THIS WOULD IN TURN ALLOW A HIGHER SEVERITY IN HYDROCRACKING WITH THE ADVANTAGE OF PRODUCING A LIGHTER PRODUCT SLATE;IT WOULD ALSO REDUCE THE AMOUNT OF LIQUIDS TO BE HANDLED IN THE PROCESS.BEFORE CO-PROCESSING CAN BE APPLIED,HOWEVER,IT IS NECESSARY TO DETERMINE ITS EFFECTIVENESS TO MEET THE ABOVE REQUIREMENTS, THE PREFERRED FEEDSTOCKS AND OPTIMUM PROCESS CONDITIONS.
RESEARCH CONTRACTS WITH THE UNIVERSITIES OF LEEDS AND HERIOT WATT IN THE UNITED KINGDOM ARE LOOKING AT THE CO-PROCESSING OF PETROLEUM AND BRITISH HARD COALS ACCORDING TO A TWO-STAGE PROCESS.THIS COMPLEMENTARY PROJECT WILL EXAMINE THE CO-PROCESSING OF PETROLEUM WITH SPANISH LIGNITES IN A SINGLE STAGE PROCESS.
THE PROJECT WILL BE EXECUTED IN TWO OVERLAPPING ACTIVITIES OVER A PERIOD OF 20 MONTHS.ONE ACTIVITY SLATED FOR THE FIRST 6 MONTHS IS THE PREPARATION OF CATALYSTS.THE ACTIVE ELEMENT WILL BE IRON OR IRON WITH MOLYBDENUM AND ALL PREPARATIONS WILL BE SUPPORTED ON GAMMA-ALUMINA.ONCE REDUCED TO THE SULPHIDE STATE THE CATALYSTS WILL BE CHARACTERISED IN ASSOCIATION WITH IMPERIAL COLLEGE ,LONDON.THE SECOND ACTIVITY WHICH WILL REQUIRE SOME 15 MONTHS CONSISTS OF THE ACTUAL CO-PROCESSING EXPERIMENTS.CARRIED IN AN AUTOCLAVE AND IN MICRO-REACTORS THESE WILL SEEK TO IDENTIFY THE OPTIMUM TEMPERATURE,PRESSURE,REACTION TIME,CATALYST TYPE AND PETROLEUM FRACTION FOR CO-PROCESSING OF BERGUEDA LIGNITE.
CLOSE CO-OPERATION IS PLANNED WITH LEEDS AND HERIOT WATT.LEEDS WILL PARTICIPATE IN THE DEVELOPMENT AND IMPLEMENTATION OF ANALYTICAL METHODS AND HERIOT WATT WILL COMPARE RESULTS EMANATING FROM THEIR TWO STAGE PROCESSING.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology environmental engineering energy and fuels liquid fuels
- natural sciences chemical sciences inorganic chemistry transition metals
- engineering and technology environmental engineering energy and fuels fossil energy coal
- engineering and technology environmental engineering energy and fuels fossil energy petroleum
- natural sciences chemical sciences catalysis
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Coordinator
BARCELONA
Spain
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