Answers are grounded in this paper and cite their sources.
Submersible centrifugal pumps have been established for more than fifty years, and are the classic choice for raw sewage lifting stations. They do not, however, always represent the best and most economical solution. As Hans-Georg Steinmann describes, the rotary lobe pump has long proven its adaptability and reliability in this field, and as an alternative to centrifugal pumps, they often yield better results.
No takes yet. Share an insight, caveat, or question.
Hans-Georg Steinmann (1999) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: