Figure 8.
Effects of precursor concentration (mol/L) (a), reaction time (h) (b), calcination temperatures (°C) (c), adsorbent dose (g) (d), and pH (e) on the adsorption of sulfonated lignite by filter paper-templated Mg-Al metal oxides.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.