effects of a water treatment residue/lime/gypsum in netherlands

effects of a water treatment residue/lime/gypsum in netherlands
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  • Does lime improve water quality?
  • Applying lime to soils has been shown to be beneficial to increase soluble calcium, decrease surface cracking, and thus improve water infiltration and availability (Valzano et al. 2001; Celik et al. 2004 ).
  • Does gypsum increase water aggregation?
  • Gypsum application has been known to increase available water and infiltration rates by promoting more aggregation due to the presence of Ca 2+ (Miller 1987; Zhang and Miller 1996; Moodley et al. 2004; Zupanc et al. 2014; Walia and Dick 2018 ).
  • Can reusing water treatment residuals remedy soil contaminated with multiple metals?
  • Investigation on reusing water treatment residuals to remedy soil contaminated with multiple metals in Baiyin, China. Journal of Hazardous Materials, 237, 240–246. Wang, C., Gao, S., Pei, Y., & Zhao, Y. (2013a). Use of drinking water treatment residuals to control the internal phosphorus loading from lake sediments: laboratory scale investigation.
  • What is water treatment residual?
  • The term ‘water treatment residual’ is a holistic term that applies both to the material when it contains 2 to 4% solids as well as when in a dried or partially dried condition. These terms are generally used as such by engineers and waste management companies.