Sentence examples for quality of sludge from inspiring English sources
The above results have shown that composting had a positive influence on the microbial quality of sludge.
The quality of sludge-amended bricks made in the brick kiln was relatively inferior compared to bricks produced in the laboratory due to operating in a less-controlled environment with respect to maintaining adequate compaction and optimum moisture content.
The European Commission is reviewing the Sewage Sludge Directive (86/278/EEC), and in 2000, released a draft-working document on Sludge [9] that sets the frame for monitoring the quality of sewage sludge in Europe.
The results were evaluated through multivariate statistical analysis in order to assess the operability status of the WWTPs and the final quality of the sludge generated in the processes.
Finally, a positive control experiment was also included to evaluate the quality of the sludge, containing avicel cellulose.
Finally, in order to evaluate the quality of the sludge, a positive control was also included where microcrystalline cellulose (Avicel) was used as substrate.
Passive aeration did not significantly affect the quality of the residual sludge, while the addition of chromium at high concentrations hindered the sludge decomposition process.
The use of sewage sludge to restore such sites with soil organic matter and stabile plant cover have for long been explored, but the application is restricted by the chemical quality of the sewage sludge.
The importance of sludge quality monitoring as well as the damaging effect of shear forces, oxygen depletion, and long-distance sludge transportation were demonstrated.
The data from this field trial provided results supporting the use of high quality sewage sludge amendment for remediation of contaminated and barren soils, and large scale trials should be followed up on various degraded soil types.
However, organic contaminants probably do not pose a great threat here when the quality of present-day sewage sludge is taken into account [4].
