Aclione A, Thyara CN, Mauricio I, Ramon L (2018). Produced Water from oil - A Review of the Main Treatment Technologies. Journal of Environmental Chemistry 2(1):23-27.

Akinsete OO, Araoye AO (2021). Adsorption of Crude Oil Spill from Aqueous Solution using Agro-Wastes as Adsorbents. Journal of Scientific Research and Reports 27(4):27-52.
Crossref

Ani JU, Akpomie KG, Okoro UC, Aneke LE, Onukwuli OD, Ujam OT (2020). Potentials of activated carbon produced from biomass materials for sequestration of dyes, heavy metals, and crude oil components from aqueous environment. Applied Water Science 69(10):1-11.
Crossref

Beech SJ (2006) Oil removal for produced water treatment and micellar cleaning of ultrafiltration membranes. Ph.D. dissertation, Texas A&M University.

Briffa J, Sinagra E, Blundell R (2020). Heavy metal pollution in the environment and their toxicological effects on humans. Heliyon 6(9):e04691.
Crossref

EGASPIN (2018). In: Environmental Guidelines and Standards for the Petroleum Industry in Nigeria, third ed. Department of Petroleum Resources.

Ekpete OA, Marcus AC, Osi V (2017). Preparation and characterization of activated carbon obtained from plantain (Musa paradisiaca) fruit stem. Hindawi Journal of Chemistry 6 p.
Crossref

El-Nafaty UA, Muhammad IM, Abdulsalam S (2013). Biosorption and kinetic studies on oil removal from produced water using banana peel. Journal of Civil Environmental Research 3(7):125-136.

Freundlich HMF (1906). Over the adsorption in solution. Journal of Physical Chemistry 57(385471):1100-1107.

Gbadegesin A, Fadairo A, Ling K, Rasouli V, Ogunkunle T, Ayoo J, Olowu A (2022). Evaluating the Performance of Natural Organic Sorbent for Produced Water Treatment. In: 46th SPE Nigeria Annual International Conference and Exhibition.
Crossref

Igunnu ET, Chen GZ (2014). Produced water treatment technologies. International Journal of Low-Carbon Technologies 9:157-177.
Crossref

Isehunwa SO, Onovae S (2011). Evaluation of produced water discharge in the Niger Delta. ARPN Journal of Engineering and Applied Sciences 6(8):66-72.

Jankowska H, Swiatkowski A, Choma J (1991). Active Carbon. Ellis Horwood, New York.

Joel OF, Amajuoyi CA, Nwokoye CU (2010). Characterization of formation water constituents and the effect of freshwater dilution from land rig location of the Niger Delta, Nigeria. Journal of Applied Sciences and Environmental Management 14(2):37-41.
Crossref

Konggidinata MI, Chao B, Lian Q, Subramaniam RZM, Gang DD (2017). Equilibrium, kinetic and thermodynamic studies for adsorption of BTEX onto Ordered Mesoporous Carbon (OMC). Journal of Hazardous Materials 336:249-259.
Crossref

Kostecka J, Koc-Jurczyk J, Brudzisz K (2014). Waste management in Poland and European Union. Archiwum Gospodarki Odpadami I ochrony Srodowiska 16(1):1-10.

Kumar R, Namasivayam C (2009). Development and characteristics of activated carbons from jatropha husk, an agro-industrial solid waste by chemical activation methods. Environmental Engineering and Management Journal 19(3):173-178.

Langmuir I (1971). The constitution and fundamental properties of solids and liquids. II. Liquids. Journal of the American chemical Society 39(9):1848-1906.
Crossref

Li Y, Zhang X, Yang R, Li G, Hu C (2015). The role of H3PO4 in the preparation of activated carbon for NaOH-treated rice husk residue. RSC Advances 5(41):32626-32636.
Crossref

Naseem K, Begum R, Wu W, Usman M, Irfan A, Al-Sehemi AG, Farooqi ZH (2019). Adsorptive removal of heavy metal ions using polystyrene-poly (N-isopropylmethacrylami de-acrylic acid) core/shell gel particles: Adsorption isotherms and kinetic study. Journal of Molecular Liquid 277:522-531.
Crossref

Neff JM, Sauer TC, Maciolek N (1992). Composition, Fate, and Effects of Produced Water Discharge to Nearshore Marine Waters. In: Ray JP, Engelhardt FR (eds) Produced Water. Environmental Science Research, 46 Springer, Boston, MA.
Crossref

Nonato TCM, De A Alves AA, Sens ML, Delsasso RL (2018). Produced water from oil - A review of the main treatment technologies. Journal of Environmental Toxicology 2(1):23-27.

Nowicki P, Kazmierczak-Razna J, Skibiszewska P, Wisniewska M, Nosal-Wiercinska A, Pietrzak R (2016). Production of activated carbons from biodegradable waste materials as an alternative way of their utilization. Adsorption 22(4):489-502.
Crossref

Nwosi-Anele AS, Iledare OO (2016). Produced Water Treatment Methods and Regulations: Lessons from the Gulf of Mexico and North Sea for Nigeria. American Journal of Engineering Research 5(12):46-57.

Ofili O, Temisanren T, Olafuyi O (2015). A review of produced water management processes: A case study of a brownfield in Niger Delta. In: 39th SPE Nigeria Annual International Conference and Exhibition; 4-6 August 2015, Nigeria.
Crossref

Oladimeji TE, Odunoye BO, Elehinafe FB, Obanla OR, Odunlami OA (2021). Production of activated carbon from sawdust and its efficiency in the treatment of sewage water. Heliyon 7:e05960.
Crossref

Olajire AA (2020). Recent advances on the treatment technology of oil and gas produced water for sustainable energy industry-mechanistic aspects and process chemistry perspectives. Chemical Engineering Journal Advances 4:100049.
Crossref

Onyema HK, Iwuanyanwu JO, Emeghara GC (2015). Evaluation of Some Physicochemical Properties and Heavy Metals in Post-Treated Produced Water from Offshore Locations in the Niger Delta Area, Nigeria. Journal of Applied Sciences and Environmental Management 19(4):767-770.
Crossref

Oumam M, Abourriche A, Mansouri S, Mouiya M, Benhammou A, Abouliatim Y, Hafiane YE, Hannache H, Birot M, Pailler R, Naslain R (2020). Comparison of chemical and physical activation processes at obtaining adsorbents from Moroccan oil shale. Oil Shale 37(2):139-157.
Crossref

Popoola LT, Yusuff AS, Adeyi AA, Omotara OO (2022). Adsorptive removal of heavy metals from oil well produced water using citrullus lanatus peel: Characterization and optimization. South African Journal of Chemical Engineering 39(1):19-27.
Crossref

Rahman MM, Samsuddin SH, Miskon MF, Yunus K, Yusof AM (2015). Phosphoric acid activated carbon as borderline and soft metal ions scavenger. Green Chemistry Letters and Reviews 8(2):9-20.
Crossref

Ramutshatsha-Makhwedzha D, Mbaya R, Mavhungu ML (2022). Application of activated carbon banana peel coated with Al2O3-Chitosan for the adsorptive removal of lead and cadmium from wastewater. Materials 15:860.
Crossref

Rasheed A, Sana S, Kashif S, Umer Z, Khatoon M (2017). To evaluate the efficiency of char and biochar for wastewater treatment. Resources, Recycling, and Waste Management 2(2):7.

Rasmey AH, Aboseidah AA, Youssef AK (2018). Application of Langmuir and Freundlich isotherm models on Biosorption of Pb2+ by Freezdried Biomass of Pseudomonas aeruginosa. Egyptian Journal of Microbiology 53(1):37-48.

Reffas A, Bernardet V, David B, Reinerta L, Lehocine MB, Dubois M, Batisse N, Declaux L (2010). Carbon prepared from coffee grounds by H3PO4 activation: characterization and adsorption of methylene blue and Nylosan Red N-2RBL. Journal of Hazardous Material 175(1-3):779-788.
Crossref

Sugumaran P, Priya SV, Ravichandran P, Seshadri S (2012). Production and characterization of activated carbon from banana empty fruit bunch and delonix regia fruit pod. Journal of Sustainable Energy and Environment 3(3):125-132.

Udeagbara SG, Isehunwa SO, Okereke NU, Oguamah IU (2021). Treatment of produced water from Niger Delta oil fields using a simultaneous mixture of local materials. Journal of Petroleum Exploration and Production 11(1):289-302.
Crossref

United Nations (UN) (2015). Transforming our world: The 2030 Agenda for Sustainable Development. New York: UN Publishing.

USEPA (2018). Effluent guidelines planning review report supporting the final 2016 effluent guidelines program plan. Washington D.C. (January). EPA-821-R-18-002. EPA-HQ-OW-2015-0665. DCN 08318.

Zi?zio M, Charmas B, Jedynak K, Hawryluk M, Kucio K (2020). Preparation and characterization of activated carbons obtained from the waste materials impregnated with phosphoric acid (V). Applied Nanoscience 10:4703-4716.
Crossref