• Biogaasi tootmisest Eestis ning biogaasi tootmisel tekkiva kääritusjäägi ja vedelsõnniku väetusomaduste võrdlusPitk, PeepPiimafoorum 20132013 / lk. 42-45 : fot
• Bio-waste resource for sustainable anaerobic waste treatment solution on Island Saaremaa, EstoniaPitk, Peep; Pürjer, Juhan; Kõrgmaa, Vallo; Vilu, RaivoADSW&EC : International IWA-Symposium on Anaerobic Digestion of Solid Waste and Energy Crops : August 28 - September 1, 2011, Vienna, Austria2011
• Co-digestion of sewage sludge and sterilized solid slaughterhouse waste : methane production efficiency and process limitationsPitk, Peep; Kaparaju, Prasad; Palatsi, Jordi; Affes, Rim; Vilu, RaivoBioresource technology2013 / p. 227-232 : ill https://www.sciencedirect.com/science/article/pii/S0960852413002526 https://doi.org/10.1016/j.biortech.2013.02.029 https://www.scopus.com/sourceid/15423 https://www.scopus.com/record/display.uri?eid=2-s2.0-84875234561&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1016%2Fj.biortech.2013.02.029%29&sessionSearchId=c42962733a94ae09ac921c72c691ac9c&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=BIORESOURCE%20TECHNOL&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000318052200018
• Eesti katlamajades puidu põletamisel tekkiva tuha keemilisest koostisestRaave, Henn; Ots, Katri; Pitk, PeepAgronoomia2018 / lk. 186−193 https://www.ester.ee/record=b2226971*est
• Improving ADM1 model to simulate anaerobic digestion start-up withinhibition phase based on cattle slurryNormak, Argo; Suurpere, Jaak; Suitso, Indrek; Jõgi, Erkki; Kokin, Eugen; Pitk, PeepBiomass and Bioenergy2015 / p. 260 - 266 https://doi.org/10.1016/j.biombioe.2015.05.021
• Loomakasvatuses ja lihatööstuses tekkivate loomsete kõrvalsaaduste kasutusvõimalused biogaasi ja orgaanilise väetise tootmiseksPitk, PeepLihafoorum 20132013 / lk. 17-21 : ill
• Mesophilic co-digestion of dairy manure and lipid rich solid slaughterhouse wastes : process effienciency, limitations and floating granules formationPitk, Peep; Palatsi, Jordi; Kaparaju, Prasad; Fernandez, Belen; Vilu, RaivoBioresource technology2014 / p. 168-177 : ill https://doi.org/10.1016/j.biortech.2014.05.033 https://www.scopus.com/sourceid/15423 https://www.scopus.com/record/display.uri?eid=2-s2.0-84901941960&origin=inward&txGid=88976ade17b5cf1db597a842b79054cc https://jcr.clarivate.com/jcr-jp/journal-profile?journal=BIORESOURCE%20TECHNOL&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000338711100022
• Methane potential of sterilized solid slaughterhouse wastesPitk, Peep; Kaparaju, Prasad; Vilu, RaivoBioresource technology2012 / p. 42-46 : ill https://www.sciencedirect.com/science/article/pii/S0960852412006438
• Methane potential of sterilized solid slaughterhouse wastesPitk, Peep; Kõrgmaa, Vallo; Vilu, Raivo8th IWA International Symposium on Waste Management Problems in Agroindustries : Çeşme, Turkey2011 https://www.sciencedirect.com/science/article/pii/S0960852412006438
• Peep Pitk: läbipaistvus tootmises ja tarneahelates peab saama normiksPitk, Peepdelfi.ee2024 https://roheportaal.delfi.ee/artikkel/120301357/peep-pitk-labipaistvus-tootmises-ja-tarneahelates-peab-saama-normiks
• Proteiinirikaste loomsete kõrvalsaaduste kooskääritamine veiselägaga : ressurss, biogaasi toodangu tõus ja kääritusjäägi omadusedPitk, PeepTEUK XV : taastuvate energiaallikate uurimine ja kasutamine : viieteistkümnenda konverentsi kogumik = Investigation and usage of renewable energy sources : fifteenth conference proceedings, Tartu, Estonia, 20132013 / lk. 33-43 : ill
• Protein- and lipid-rich solid slaughterhouse waste anaerobic co-digestion : resource analysis and process optimization = Proteiini- ja lipiidirikaste tahkete tapamajajäätmete anaeroobne kooskääritamine : ressursi analüüs ja protsessi optimeeriminePitk, Peep2014 https://www.ester.ee/record=b3724112*est
• Puutuhk - muundumine tolmjast kõrvalproduktist funktsionaalseks (mahe-) väetistooteksPitk, Peep; Raave, HennMaheviljaturg. 20162016 / lk. 16-21 : ill
• Puutuhk - muundumine tolmjast kõrvalproduktist funktsionaalseks (mahe-) väetistooteksPitk, Peep; Raave, HennTeraviljafoorum. 20162016 / lk. 27-32 : ill
• Puutuhk pole tülikas jääde, vaid toitainerikas väetis põllule ja metsalePitk, Peep; Ots, KatriEesti Mets2016 / lk. 42-45 : ill https://artiklid.elnet.ee/record=b2766679*est
• Rapid start- up of autotrophic nitrogen removal process after inoculation with microorganisms from yeast factory anaerobic tankZekker, Ivar; Kroon, Kristel; Pitk, Peep; Loorits, LiisTÜ ja TTÜ doktorikool “Funktsionaalsed materjalid ja tehnoloogiad”2013 / [1] p. : ill
• Reoveesette ja biojäätmete kooskääritamise energeetiline potentsiaal ning probleemid Kuressaare näitelPitk, Peep; Pürjer, Juhan; Vilu, RaivoTEUK XIII : taastuvate energiaallikate uurimine ja kasutamine : kolmeteistkümnenda konverentsi kogumik : [10. november 2011, Tartu] = Investigation and usage of renewable energy sources : thirteenth conference proceedings : [10. November 2011, Tartu]2011 / lk. 6-17
• Tool for the assessment and prediction of animal by-product resourcesSannik, Urmas; Pitk, Peep; Lepasalu, Lembit; Poikalainen, VäinoWaste and Biomass Valorization2016 / p. 397 - 404 https://doi.org/10.1007/s12649-015-9447-3 https://www.scopus.com/sourceid/19600157918 https://www.scopus.com/record/display.uri?eid=2-s2.0-84962527339&origin=resultslist&sort=plf-f&src=s&sid=082cb2bc81b83776713f7890bee4acc1&sot=b&sdt=b&s=DOI%2810.1007%2Fs12649-015-9447-3%29&sl=30&sessionSearchId=082cb2bc81b83776713f7890bee4acc1&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=WASTE%20BIOMASS%20VALORI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000373085100014
• Triple benefit of manure and solid slaughterhouse waste rendering products co-digestion : simple concept, increased volumetric biogas production and fertilizer valuePitk, PeepManuREsource 2013 : International conference on manure management and valorization, December 5-6 2013, Bruges, Belgium2013
• Use of alkali-activated aluminosilicatematerialto enhancebiogas production from acidic wheyRugele, K.; Skripsts, E.; Mezule, L.; Pitk, Peep; Bajare, D.; Juhna, T.Open biotechnology journal2015 / p. 54-60 : ill http://dx.doi.org/10.2174/1874070701509010054