Polyacrylamide degradation and its implications in environmental systems

B **ong, RD Loss, D Shields, T Pawlik, R Hochreiter… - NPJ Clean …, 2018 - nature.com
Abstract High molecular weight (106–3× 107 Da) polyacrylamide (PAM) is commonly used
as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity …

Potential and implemented membrane-based technologies for the treatment and reuse of flowback and produced water from shale gas and oil plays: A review

H Chang, T Li, B Liu, RD Vidic, M Elimelech… - Desalination, 2019 - Elsevier
Recovery of natural gas and oil from unconventional (shale) reservoirs relies on horizontal
drilling and hydraulic fracturing to make it economical. Hydraulic fracturing generates vast …

Roughness and wettability of biofilm carriers: A systematic review

S Al-Amshawee, MYBM Yunus, JG Lynam… - … Technology & Innovation, 2021 - Elsevier
Since the 1980s, many studies have reported the importance of biofilm carrier roughness on
microbial attachment. Roughness can enhance the wettability (hydrophobicity or …

Photocatalytic membrane reactors for produced water treatment and reuse: Fundamentals, affecting factors, rational design, and evaluation metrics

L Chen, P Xu, H Wang - Journal of Hazardous Materials, 2022 - Elsevier
Abstract Treatment and reuse of produced water (PW), the largest wastewater stream
generated during oil and gas production, provides a promising option to address the …

Organics removal from shale gas wastewater by pre-oxidation combined with biologically active filtration

P Tang, W **e, A Tiraferri, Y Zhang, J Zhu, J Li, D Lin… - Water research, 2021 - Elsevier
Biological treatment technology is increasingly explored in shale gas wastewater (SGW)
treatment owing to its cost effectiveness and requires efforts to improve its efficacy. In this …

Detection and treatment of organic matters in hydraulic fracturing wastewater from shale gas extraction: A critical review

Z Tao, C Liu, Q He, H Chang, J Ma - Science of The Total Environment, 2022 - Elsevier
Although shale gas has shown promising potential to alleviate energy crisis as a clean
energy resource, more attention has been paid to the harmful environmental impacts during …

Efficient removal of organic compounds from shale gas wastewater by coupled ozonation and moving-bed-biofilm submerged membrane bioreactor

X Liu, P Tang, Y Liu, W **e, C Chen, T Li, Q He… - Bioresource …, 2022 - Elsevier
Shale gas wastewater (SGW) with complex composition and high salinity needs an
economical and efficient method of treatment with the main goal to remove organics. In this …

Biomineralization of hypersaline produced water using microbially induced calcite precipitation

L Hu, H Wang, P Xu, Y Zhang - Water Research, 2021 - Elsevier
Reusing produced water (PW) as the subsequent hydraulic fracturing fluid is currently the
most economical and dominant practice in the shale oil and gas industry. However, high Ca …

Geochemical and microbial characterizations of flowback and produced water in three shale oil and gas plays in the central and western United States

H Wang, L Lu, X Chen, Y Bian, ZJ Ren - Water research, 2019 - Elsevier
Limited understanding of wastewater streams produced from shale oil and gas wells
impedes best practices of wastewater treatment and reuse. This study provides a …

Temporal characterization and statistical analysis of flowback and produced waters and their potential for reuse

K Oetjen, KE Chan, K Gulmark, JH Christensen… - Science of the Total …, 2018 - Elsevier
Hydraulic fracturing (HF) has allowed for the utilization of previously unattainable shale oil
and gas (O&G) resources. After HF is complete, the waters used to increase the facies' …