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An anionic polyacrylamide – AN PAM (Korona) with a high-molecular weight and various ionic contents was applied in experiments as an adsorbate.The full description of applied polymeric samples is presented in Table 2.The dissociation degree of carboxyl groups in the PAM macromolecules was determined by means of the potentiometric titration method (Wiśniewska et al., 2015b, Wiśniewska et al
Effects of various fillers on anionic polyacrylamide
This study examines the effects of different types of salt fillers and salt filler loadings on anionic polyacrylamide (A-PAM). Urea, potassium chlorid…
Effects of various fillers on anionic polyacrylamide systems for treating kaolin suspensions Article in Colloids and Surfaces A Physicochemical and Engineering Aspects 441:306-311 · January 2014
Effects of anionic polyacrylamide on maize growth: a short
Aims Various anionic polyacrylamide polymers (PAMs) are frequently used to improve soil properties and reduce erosion. However, the effects of their application on plant growth remain unclear. Methods Aggregate-freeloesswithhighwaterholding capacity was used as growing substrate to test the effectsoftworates(10and40kgha−1) of a linear PAM
The hydrolyzed form of polyacrylamide (HPAM), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic PAM in oil and gas development as well as in soil conditioning. 1,9,12,21
PolyDADMAC and polyacrylamide as a hybrid flocculation
PolyDADMAC and polyacrylamide as a hybrid flocculation system in the treatment of pulp and paper mills waste water Article in Chemical Engineering Journal 179:107-111 · January 2012 with 866 Reads
Calibration of the GPC System In order to assign a molecular weight to each retention time slice for the eluted polymer, we must calibrate our system, or more specifically, the column set. There are several ways to do this, but the easiest is to use a relative calibration based on a set of well-characterized polymer standards with as narrow a
Bioinspired Polymer Systems with Stimuli-Responsive
Materials with switchable mechanical properties are widespread in living organisms and endow many species with traits that are essential for their survival. Many of the mechanically morphing materials systems found in nature are based on hierarchical structures, which are the basis for mechanical robustness and often also the key to responsive behavior.
2.1.1. Enzymatic Treatment . A technology patented by Eckmayer et al. (1980) describes a method for making useful products from proteinaceous animal waste such as blood, animal parts, and meat scraps; this method employs enzymatic hydrolysis of the proteinaceous substrate to recover protein from the biomass [].The proteinaceous material is treated with a protease in an aqueous hydrolysis
CoaxingPolysaccharideGranulesinto
0.031), cationic polyacrylamide (Percol®63), and ben‐ tonite (anionic microparticles) were kindly provided by General Starch Co. Ltd., Thailand, BASF Co. Ltd., Ger‐ many, and Suzhou Yifan Chemicals Co. Ltd., China, respectively. Biofibers (softwood-derived bleached kraft pulp imported from Russia) and mineral filler
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- Is poly-aluminum chloride a good coagulant for wastewater treatment?
- As a common and low-cost coagulant, poly-aluminum chloride (PAC) may be widely used for wastewater treatment. In this article, the impacts of PAC on activated sludge and the treatment efficiency of sequencing batch reactor were investigated over 100 d for domestic wastewater treatment.
- Does pH affect the performance of polyaluminum chloride (PAC)?
- The performance of PAC was dependent on pH. The synthesized PΑC was efficient coagulant for water treatment. The present work was aimed to synthesis of polyaluminum chloride (PAC) using calcium oxide as a basification agent and optimization of process parameters on the yield of medium polymer species in PAC.
- What is the molecular formula of poly-aluminum chloride?
- One of the major pre-polymerized coagulants, poly-aluminum chloride (PACl) is used broadly for water and wastewater treatment. PACl contains different amounts of hydroxyl, and the molecular formula of PACl is [Al m (OH) n (H 2 O) x]·Cl 3m−n (n ≤ 3 m).
- What is high-purity poly-aluminum chloride (PACL)?
- Poly-aluminum chloride (PACl) is one of the common coagulants for water and wastewater treatment. A new Chinese national standard of PACl has been implemented, where the concentration of insoluble substances, iron and heavy metals is to be controlled strictly, then researches on the preparation of high-purity PACl are needed.
