Research Article

Characterization of Sludge Deposits from Refineries and Gas Plants: Prerequisite Results Requirements to Facilitate Chemical Cleaning of the Particular Equipment

Figure 5

Rietveld phase analysis results (i.e., wt% of the identified phases) of the inorganic deposit buildup in (a) the condenser tube side #1 (XRPD-D), condenser #4 (XRPD-E), and condenser manway cover (XRPD-F), and (b) the inside vessel of the inlet head (XRPD-G), head coiler tube (XRPD-H), condenser #1 tubes (XRPD-I), condenser #1 inlet head (XRPD-J), condenser #4 tubes (XRPD-K), and condenser steam drum (XRPD-L).
(a) Rietveld phase analysis of XRPD-D, XRPD-E and XRPD-F
(b) Rietveld phase analysis of XRPD-G to XRPD-L