Objective
ELECTROPOLISHING HAS BECOME AN APPROVED AND SUITABLE DECONTAMINATION PROCESS ACHIEVING HIGH DECONTAMINATION FACTORS. HOWEVER, THE SPENT ELECTROLYTE IS HARD TO PROCESS AND CONVERT INTO A WASTE FORM SUITABLE FOR DISPOSAL. FOR EXAMPLE, IN ORDER TO SOLIDIFY PHOSPHORIC ACID AT A CONCENTRATION ABOVE 60% IN CEMENT, IT MUST BE NEUTRALISED AND HEAVILY DILUTED. AS A RESULT, THE WASTE VOLUME FOR DISPOSAL IS MUCH HIGHER THAN THE INITIAL ELECTROLYTE VOLUME.
THE AIM AND OBJECTIVE OF THIS RESEARCH IS TO FIND AN EASY-TO-PROCESS ELECTROLYTE WITH HIGH DECONTAMINATION FACTORS, SUITABLE FOR DISPOSAL, WHICH WOULD GIVE A MUCH WIDER RANGE OF APPLICATION TO ELECTROPOLISHING AS A DECONTAMINATION PROCESS. THIS MEANS THAT IS SHOULD BE POSSIBLE TO CONDITION THE SPENT ELECTROLYTE IN SIMPLE PROCESS STEPS, SUCH AS FILTRATION, SEDIMENTATION AND THERMAL DECOMPOSITION, TO PRODUCE A WASTE FORM THAT IS EASY TO FIX IN CEMENT.
THE SPECIFIED REQUIREMENTS WITH A VIEW TO EASY PROCESSING OF THE ELECTROLYTE ARE FULFILLED BY A NUMBER OF ORGANIC ACIDS. IN 1983, THE CONTRACTOR CARRIED OUT VARIOUS TESTS AND EXPERIMENTS ON ORGANIC ACIDS. WHEREAS DECONTAMINATION FACTORS WERE SATISFACTORY, UNSATISFACTORY RESULTS WERE OBTAINED FOR THE ELECTROPOLISHING TIME, THE SERVICE LIFE AND THERMAL STABILITY OF THE ELECTROLYTE, CURRENT DENSITY ETC. THESE PROCESS PARAMETERS MUST BE OPTIMISED. THIS WORK WILL BE CARRIED OUT IN COLLABORATION WITH TEAM, ITALY.
1. LITERATURE SURVEY FOR IDENTIFICATION OF THE AVAILABLE INFORMATION ON ALREADY EXISTING EXPERIENCE.
2. SELECTION OF ELECTROLYTES OTHER THAN PHOSPHORIC ACID, PROMISING EASIER CONDITIONING AND WASTE DISPOSAL.
3. TEST SERIES ON CONTAMINATED AND NON-CONTAMINATED SAMPLES IN ORDER TO OPTIMISE THE ELECTROLYTES WITH REGARD TO DECONTAMINATION EFFICIENCY (EFFECT OF CHEMICAL ADDITIVES, OF MODIFYING PROCESS PARAMETERS...).
4. OPTIMISATION OF THE PROCESS TO MINIMISE THE FINAL WASTE VOLUME.
5. DEVELOPMENT OF PROCEDURES TO EXTEND THE LIFETIME OF ELECTROLYTES, IN PARTICULAR BY CONTINUOUS FILTRATION.
6. PROCESSING OF SELECTED ELECTROLYTES (SEDIMENT ELIMINATION, SALT PRECIPITATION, SOLIDIFICATION OF SLUDGES, VOLUME REDUCTION OF THE RESIDUAL LIQUID, SOLIDIFICATION OF ELECTROLYTE RESIDUES).
7. INVESTIGATIONS ABOUT "ON-THE-JOB-SAFETY": CHEMICAL AGGRESSIVENESS, FORMATION OF TOXIC PRODUCTS, EXPLOSION HAZARDS, ETC.
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.
- natural sciences earth and related environmental sciences geology sedimentology
- engineering and technology environmental engineering waste management
- natural sciences chemical sciences organic chemistry organic acids
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
69126 Heidelberg
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.