polyacrylamide (pam) enhance soil structural stability in iran

polyacrylamide (pam) enhance soil structural stability in iran
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  • Can polyacrylamide be used as a soil stabilizing agent?
  • This chapter considers the potential of polyacrylamide (PAM, a synthetic organic polymer), as a soilstabilizing agent. Addition of PAM to aggregates at the soil surface leads to their stabilization and to improved bonding between adjacent aggregates that, in turn, improves soil physical and hydraulic properties.
  • Does adding anionic polyacrylamide improve soil aggregation?
  • Adding anionic polyacrylamide (PAM) to soils stabilizes existing aggregates and improves bonding between and aggregation of soil particles. However, the dependence of PAM efficacy as an aggregate stabilizing agent with soils having different clay mineralogy has not been studied.
  • Does Pam improve structure and aggregate stability?
  • The effectiveness of PAM in improving structure and aggregate stability was directly related to clay activity and to soil conditions affecting PAM adsorption (e.g., electrolyte resources, pH, and exchangeable cations) to the soil particles and inversely to the inherent aggregate stability.
  • How does Pam affect soil structure?
  • ... The observed positive effects of PAM on aggregate stability and hence the stability of soil structure is generally associated with the simultaneous adsorption of the long chains of PAM molecules to numerous soil particles, mostly on exterior surfaces of soil material (Mamedov et al., 2007;Shainberg et al., 2011).