Polyacrylamide degradation and its implications in environmental systems

B Xiong, 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 …

Chemical enhanced oil recovery and the role of chemical product design

P Druetta, P Raffa, F Picchioni - Applied energy, 2019 - Elsevier
The current and prospective worldwide energy demands have led either to start exploiting
the more difficult and costly unconventional oil reserves, or to maximize the exploitation of …

Water-soluble synthetic polymers: their environmental emission relevant usage, transport and transformation, persistence, and toxicity

D Wang, Y Zheng, Q Deng, X Liu - Environmental Science & …, 2023 - ACS Publications
Water-soluble synthetic polymers (WSPs) are distinct from insoluble plastic particles, which
are both critical components of synthetic polymers. In the history of human-made …

Review of the flotation of molybdenite. Part I: Surface properties and floatability

S Castro, A Lopez-Valdivieso, JS Laskowski - International Journal of …, 2016 - Elsevier
Molybdenite (MoS 2) is a naturally hydrophobic mineral with anisotropic surface properties.
Its floatability is influenced by a number of factors such as, particle size and shape …

Effect of polyacrylamide on rheology of fresh cement pastes

H Bessaies-Bey, R Baumann, M Schmitz… - Cement and Concrete …, 2015 - Elsevier
In this paper, we study the effects of polyacrylamide (PAM) on both aqueous solutions and
fresh cement pastes. Our solution viscosity and hydrodynamic radii measurements in …

Polymer stability after successive mechanical-degradation events

S Jouenne, H Chakibi, D Levitt - SPE journal, 2018 - onepetro.org
A key challenge in polymer-flood forecasting is the prediction of polymer stability far from the
injector. Degradation may result from various mechanical-degradation events in surface …

Xanthan gum produced by Xanthomonas campestris using produced water and crude glycerin as an environmentally friendlier agent to enhance oil recovery

ER de Souza, PD Rodrigues, ICF Sampaio, E Bacic… - Fuel, 2022 - Elsevier
Abstract The use of Produced Water Xanthan (PWX) as a chemical flooding metabolite for
Enhanced Oil Recovery (EOR) is described. PWX was synthesized by Xanthomonas …

Modifying effect of anionic polyacrylamide dose for cement-based 3DP materials: Printability and mechanical performance tests

Q Liu, Q Jiang, M Huang, J Xin, P Chen… - Construction and Building …, 2022 - Elsevier
Cement-based materials have been broadly applied as constructional materials in 3D
printing (3DP) civil engineering due to their high mechanical strength, yet their non-ideal …

Polymer injectivity: Investigation of mechanical degradation of enhanced oil recovery polymers using in-situ rheology

B Al-Shakry, T Skauge, B Shaker Shiran, A Skauge - Energies, 2018 - mdpi.com
Water soluble polymers have attracted increasing interest in enhanced oil recovery (EOR)
processes, especially polymer flooding. Despite the fact that the flow of polymer in porous …

Impact of mechanical degradation on polymer injectivity in porous media

B Al-Shakry, T Skauge, B Shaker Shiran, A Skauge - Polymers, 2018 - mdpi.com
Polymer flooding is an established enhanced oil recovery (EOR) method; still, many aspects
of polymer flooding are not well understood. This study investigates the influence of …