Maintenance & Reliability
Purging and inerting large-volume tankage and equipment—jet mixing concept—Part 1
Here are the advantages and disadvantages of the various methods
Heat-exchanger failure analysis in a naphtha cracking unit
This case history analyzed the failure and makes recommendations to prevent future failures
Oil-mist lubrication for fin-fan shafts
Tests show it is superior to grease lubrication
Strategize preshutdown work to enhance productivity
Adopt these principles from a refinery revamp project
HP Reliability: Repetitive pump seal failures can cause disasters
Release No. 2004-08-I-NM (http://www.csb.gov), issued in October 2005 by the US Chemical Safety and Hazard Investigation Board, addresses an incident at an oil refinery with a history of repeated pump..
Solve liquid-hammer problems
Here are several options
HP Reliability: Grounding-ring technology for variable-frequency drives
HEINZ P. BLOCH, Reliability/ Equipment Editor     Comments? Write:HB@HydrocarbonProcessing.com   Variable-frequency drives (VFDs) provide substantial energy sav..
Iron sulfides-effect on amine plants
Amine plants treating gas containing H2S will have iron sulfides in the system. Here's where they help and hinder plant operation
HP Reliability: How flawed reward systems cost you dearly
In a US trade journal, someone recently observed that "successful lean implementation needs reliable equipment to prevent disastrous consequences. Together, they increase production capacity, decrease..
HP Reliability: How pump installation must differ from the way pumps were shipped
In general, process pump manufacturers are asked to provide pumps as a "set" or assembled package comprising pump, driver and baseplate (Fig. 1). After ascertaining correct shaft separation to accommo..
- OMV receives €450-MM loan from the European Investment Bank for its 140-MW green hydrogen production facility 7/13
- Poland's Unimot says it will supply crude to Germany's Schwedt refinery 7/13
- Hormuz traffic slows to two-month low as renewed U.S., Iran strikes raise safety risk 7/13
- Sinopec deepens aviation fuel push with CNAF restructuring 7/13
- Indian naphtha premiums surge as Gulf, Russian supply tightens 7/13
- Less than a month's supply: Europe's jet fuel stocks are wafer thin as Iran tensions flare 7/13
