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Technical guidelines on hazardous wastes: physico-chemical treatment (d9) and biological treatment (d8)

… Electrostatic precipitation … Chemical precipitation … Waste Types Especially used for part-treatment of chromic acid (reduction from hexavalent to trivalent state), for the … peroxide, potassium permanganate and occasionally “per”acid compounds. Common reducing agents include ferrous …
25 May 2026 Document

Technical guidelines on incineration on land (D10)

… prior to the electrostatic precipitator to neutralise acid components and sometimes wet gas scrubbing is used after … for sludges and fluid beds, which are used for sludges and acid tars. II. THE INCINERATION PROCESS 10. The incineration … sewer system. Possible treatments include settling metals, precipitation and neutralization. In the first instance, the …
25 May 2026 Document

Technical Guidelines on wastes collected from households (Y46)

… it is necessary to now use equipment that controls acid gas, such as dry lime injection prior to passing the …
25 May 2026 Document

Technical guidelines on used oil re-refining or other re-uses of previously used oil (R9)

… esters are products obtained by reacting phosphoric acid and alcohols. Esters used in lubricants are usually … of the materials are residues or waste streams such as acid tar, spent clay, centrifuge sludge and process water … chemicals used and waste volumes produced are: • the acid/clay re-refining process; • the vacuum distillation/clay …
25 May 2026 Document

Technical guidelines on specially engineered landfill (D5)

… liquids placed in the landfill as well as minimization of precipitation and run-on into the fills is achieved. 30. As … liquids placed in the landfill as well as minimization of precipitation and run-on into the fills is achieved. There … is leaking. Operation phase Aftercare phase 1.1 Volume of precipitation Daily Daily, added to monthly values 1.2 …
25 May 2026 Document

Technical guidelines: Technical guidelines on the environmentally sound management of wastes consisting of, containing or contaminated with mercury or mercury compounds

… of only Hg batteriesRemoval of any impuritiesExtraction of precipitation/Liquid and solid separationPretreatmentThermal … hydrofluoric (HF), nitric (HNO3) and hydrochloric (HCl) acid mixture for subsequent determination of elements in … al, 2014. “Microbially enhanced dissolution of HgS in an acid mine drainage system in the California Coast Range”, …
25 May 2026 Document