Laboratorijska ispitivanja novih materijala za obradu opasnog otpada iz naftnog rudarstva

Scientific paper - Original scientific paper

• Author: Goran Durn
• Author: Nediljka Gaurina-Međimurec
• Author: Boris Veronek
• Author: Sanja Mesić
• Author: Heinz Fröschl
• Author: Marta Čović https://orcid.org/0000-0003-3776-3661
• Author's institution: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Mineralogy, Petrology and Mineral Resources)
• Author's institution: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Petroleum and Gas Engineering and energy)
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Geology
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mining, Petroleum and Geology Engineering

Abstract (croatian)

U tehnološkom procesu proizvodnje nafte i prirodnog plina nastaje tehnološki otpad (talozi iz rezervoara i tehnoloških posuda, zauljena zemlja i dr.) dio kojeg, na temelju svojstava i štetnih sastojaka koje sadrži, spada u opasni otpad. Za njegov prihvat, privremeno odlaganje, predobradu, obradu i trajno odlaganje izgrađeni su objekti - Centralne otpadne jame (COJ). Prije odlaganja u COJ takav otpad se obrađuje živim vapnom i kroz proces stabilizacije/solidifikacije pretvara u slabo topivi – inertni materijal, te odlaže u dijelu COJ-a koji je za tu svrhu predviđen. Zbog akumuliranja inertnog materijala i ograničenog kapaciteta na lokaciji COJ-a, postavlja se problem lokacije trajnog zbrinjavanja većih količina obrađenog otpada. U svijetu, stabilizacija/solidifikacija živim vapnom koristi se kao tehnika obrade i organskog i anorganskog tehnološkog otpada. Svjetska iskustva međutim pokazuju da ako se ova tehnika koristi kod obrade organskog tehnološkog otpada, ili otpada koji sadrži i organske i anorganske onečišćivače kod njene primjene se mora biti jako oprezan jer ne dolazi do dovoljnog reduciranja kretanja onečišćivača u okoliš. Za materijale koji sadrže organske ili anorganske i organske onečišćivače razvijaju se nove tehnike obrade. U radu se prikazuju rezultati laboratorijskih istraživanja novih načina predobrade i obrade tehnološkog otpada iz naftnog rudarstva. Uzorci tehnološkog otpada iz COJ-Vinkovci u laboratorijskim uvjetima su obrađivani primjenom pojedinačnih materijala (cement, organofilna glina, damolin - kalcinirana Moler glina) ili kombiniranom primjenom nekoliko različitih materijala. Za usporedbu rezultata korišten je uzorak tehnološkog otpada obrađen vapnom. Dobiveni rezultati jasno ukazuju da se opasni tehnološki otpad može tretirati puno efikasnije, uz upotrebu primjerenijih materijala (npr. organofilna glina) čime se može bitno reducirati otpuštanje onečišćivača iz tako obrađenog otpada u okoliš. Na taj način mogao bi se riješiti problem trajnog odlaganja obrađenog otpada.

Abstract (english)

Technological wastes (tank bottoms, separator sludges, oily soils etc.) are created during oil and gas production, part of which is hazardous waste. Central reserve pits - COJ are used for temporary disposal, pretreatment, treatment and final disposal of wastes. Before disposal in COJ such waste is treated with lime and through processes of stabilization/solidification it transforms in poorly soluble - inert material which is then deposited on pit area assign to a final disposal of solidified material.
Because of accumulating of inert material inside COJ- and limited volume of the central reserve pit, subsequent disposal becomes problem.
Stabilization/solidification with lime is worldwide used as a technique of treatment of organic and inorganic technological waste. Foreign experiences showed that by usage of this technique for treatment of organic technological waste, or waste with organic and inorganic pollutants, sufficient reduction of pollutant movement in the environment is not caused. Due to this fact, one has to be careful in its application. The new techniques of treatment are being developed for materials which contain organic or inorganic and organic pollutants.
The paper presents results of laboratory investigation of new ways of treatment of technological waste from petroleum industry. The sample of technological waste from central oilfield pit Vinkovci was treated in laboratory conditions with application of single material (cement, organophilic clay, calcined Moler clay) or application of different material combinations. The sample of technological waste treated with lime was used for comparison of results.
The obtained results clearly show that hazardous technological waste can be treated more effective by application of more suitable materials (e.g. organophilic clay) which reduce pollutant release from such treated waste in the environment. In this way the problem of permanent disposal of treated waste can be solved.

• Keywords (croatian): proizvodnja nafte i plina; opasni otpad; centralne otpadne jame; organofilna glina
• Keywords (english): oil and gas production; hazardous waste; central waste pits; organophilic clay
• Language: croatian
• Publication type: Scientific paper - Original scientific paper
• Publication status: Published
• Peer review: Peer review - domestic
• Publication version: Published version
• Publication title: Zbornik radova / 2. međunarodni znanstveno-stručni skup o naftnom gospodarstvu
• Series title: Naftaplin. Izvanredni broj
• Numbering: vol. [knj.!] 5, pp. 1-10
• p-ISSN: 1334-840X
• URN:NBN: urn:nbn:hr:169:724315
• Publication: 2005
• Conference: Title: 2. međunarodni znanstveno-stručni skup o naftnom gospodarstvu; Location: Zadar, Croatia; Start date: 2003-09-30; End date: 2003-10-03; Assembly type: Lecture
• Type of resource: Text
• Publisher: HUNIG- Hrvatska udruga naftnih inženjera i geologa
• Publishing place: Zagreb
• Access conditions: Open access
• Created on: 2020-09-08 11:03:25