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Black gold: Herb Campbell, a research engineer at the Canada Centre for inland Waters, pours oil produced from sewage sludge into a beaker. The novel concept could turn the sludge into a valuable resource rather than an expensively disposed - of waste. Petro Sun international Inc. is getting set to take the process out of the lab into the marketplace.
Black gold: Herb Campbell, a research engineer at the Canada Centre for inland Waters, pours oil produced from sewage sludge into a beaker. The novel concept could turn the sludge into a valuable resource rather than an expensively disposed - of waste. Petro Sun international Inc. is getting set to take the process out of the lab into the marketplace.

Black gold: Herb Campbell, a research engineer at the Canada Centre for inland Waters, pours oil produced from sewage sludge into a beaker. The novel concept could turn the sludge into a valuable resource rather than an expensively disposed - of waste. Petro Sun international Inc. is getting set to take the process out of the lab into the marketplace.

Date9/8/1987
Names
(photographer)
Format
Medium
Language
ProvenanceFrom the Toronto Star Archives
Usage Rights Copyright (Learn More)
Copyright HolderToronto Star (Firm)
Call Number / Accession NumberTSPA_0125770F