Reduced graphene oxide decorated superporous
Herein, nano-CaCO 3 is utilized as exfoliating pore forming agent to enhance the structural porosity of reduced graphene oxide based hybrid polyacrylamide (PAAm) hydrogel for the application of dye removal. The structural incorporation of microcrystalline chains (MCC) to the hydrogel structure is adopted to form stable interpenetrating polymer network, whereas; in situ reduction is performed
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 modifier and friction
Reduced adsorption of polyacrylamide-based fracturing
Reduced adsorption of polyacrylamide-based fracturing fluid on shale rock using urea Article (PDF Available) in Energy Science and Engineering · November 2025 with 151 Reads How we measure 'reads'
Polyacrylamide‐based fracturing fluid is commonly used in shale fracturing. Polyacrylamide (PAM) becomes adsorbed in the shale micro‐fractures, decreasing the permeability of the reservoir.
Chemical Degradation of Polyacrylamide during Hydraulic
Polyacrylamide (PAM) based friction reducers are a primary ingredient of slickwater hydraulic fracturing fluids. Little is known regarding the fate of these polymers under downhole conditions, which could have important environmental impacts including decisions on strategies for reuse or treatment of flowback water. The objective of this study was to evaluate the chemical degradation of high
The adsorption sites of the rock surface are completely occupied by anionic polyacrylamide, and the adsorption reaches the state of dynamic equilibrium. 2.2. Adsorption rules at different concentrations Three kinds of slick water samples with different relative Fig. 2.
Reduced the Adsorption of Guar Based Hydraulic Fracturing
Abstract Guar based hydraulic fracturing fluids is the most commonly utilized fracturing fluids in oil field. Whereas, it tends to lead to formation damage as a result of adsorption of guar. The adsorption behavior of guar was investigated. The appr
This is the 31st annual review of the application of atomic spectrometry to the chemical analysis of environmental samples. This update refers to papers published approximately between August 2014 and July 2015 and continues the series of Atomic Spectrometry Updates (ASUs) in Environmental Analysis 1 that should be read in conjunction with other related ASUs in the series, namely: clinical and
Delong Zhang - Publications
Chemistry Tree: publications by Delong Zhang, Biomedical Engineering, Boston University
International Water Conference?? Proceedings 1940-2011 Paper IWC 11-78 IWC 11-77D IWC 11-77 IWC 11-76D IWC 11-76 IWC 11-75D IWC 11-75 IWC 11-73D IWC 11-73 IWC 11-72D IWC 11-72 IWC
Cristina LEONELLI - personale UniMore - pubblicazioni
A plasma generator (1) comprising a main duct (10) for a gas to be ionised (20), a waveguide (50) for electromagnetic radiation (30), and at least one supporting element (60) on which the waveguide (50) and main duct (10) are mounted; a first portion (51) of the waveguide (50) extends transversely of the supporting element (60) in a first region (61a) facing a first surface (61) of the
Acoustics. Physical acoustics of gases, liquids and solids. Акустооптическое управление энергетическим профилем
- What is anionic polyacrylamide (Apam)?
- 1. Introduction Anionic polyacrylamide (APAM) is a kind of organic high-molecular polymer with high hydrophilicity and viscosity, which is easily dissolved in water [ , , ].
- Does anionic polyacrylamide biodegrade?
- ent only.1 BACKGROUNDAnionic polyacrylamide is the copolymer of acryl mide and acrylic acid. No studies on the environmental fate of polyac ylamide are available. As a high-molecular weight, water-soluble polymer, it is not expected to biode rade or bioaccumulate. Anionic polyacrylamide has a low acute toxicity concer
- Can anionic polyacrylamide be used in water treatment?
- What's more, the authors discussed the application status of anionic polyacrylamide in water treatment. Based on these reviews, future research perspectives relating to its synthesis and application were proposed. This review summarizes the synthesis methods for anionic polyacrylamide.
- Is anionic Polyacrylamide a Tier 1 chemical?
- limisch et al., 1997).Screening Assessment Conclusion – Anionic polyacrylamide is a olymer of low concern. Therefore, it is classified as a tier 1 chemical and requires a ent only.1 BACKGROUNDAnionic polyacrylamide is the copolymer of acryl mide and acrylic acid. No studies on the environmental fate of polyac
