Industry Update by scientific means. cycling mills in Canada. These mills Dr. Cherry's work deals with the de recycled over four million tonnes in velopment and implementation of new 1995. approaches including sealable-joint steel The new alliance, to be known as sheet pile cells (Waterloo Barrier), for Paper Recycling Mills of Canada conducting field studies ofsolvent con (PRMC),says even greater paper recov tamination and cleanup. Dr. Gillham has ery is possible. Technological advances invented and conducted the pioneering have meant that more grades of paper research on reactive iron technology, can now be recycled and the industry which is now the leading new technol expects this trend to continue. ogy for controlling solvent contamina The recycling mills of PRMC (On tion with minimal long-term cost and tario) want municipalities to think longer maximum water conservation. term when designing their municipal For more information,contact Leanne contracts. Mills, which represent per Gelsthorpe, Communications Officer, haps 70% by weight ofthe end-markets Waterloo Centre for Groundwater for all "Blue-Box" materials in the prov Research, (519) 885-1211, ext. 2892, ince, have invested millions of dollars email: lgelstho@sciborg.uwaterloo.ca. in cleaning, screening, and de-inking technologies. Tojustify this investment to their vari Paper recycling mills ous shareholders, the mills need to be as form alliance certain as they can be of a continuous Two national industry associations have fibre supply. Municipalities want sta formed an alliance to promote greater ble end-markets and fair market prices. paper recycling across the country. The To a recycling mill, anything short of Paper and Paperboard Packaging Envi a three-year contract is the spot market. ronmental Council(PPEC)and the Pa Three to five-year contracts or longer are per Recycling Section of the Canadian preferred. The benefit to a municipal Pulp and Paper Association(CPPA)to supplier is that it will be assured of a gether represent over 90% of paper re continuous market, says PRMC.
Trojan Technologies Inc. gets $2.2 million contract to supply UV4000™ systems to Calgary and Edmonton Trojan Technologies Inc. of London, Ontario, has been awarded contracts
with a total value of approximately $2.2 million to supply large scale ultraviolet disinfection systems to the City of Calgary and the City of Edmonton, Al berta.
Trojan will supply the City ofCalgary with a System UV4000™ worth $1.3 million, to be shipped in late 1996. The City of Edmonton has increased its equipment contract, expanding by 33% the previously announced System UV4000^'^ order, to a revised total con tract value of $3.6 million. The rede
signed system will disinfect to a maxi
mum flow of560,000 MVday. Although there were a number ofen
gineering firms involved in the project, the primary contact for the UV Disin fection portion ofthe project was CH2M Gore & Storrie Limited.
HOFFMAN Centrifugal Air/Gas Compressors Si Exhausters Hoffman Multi-stage Centrifugal Compressor & Exhausters are available for requirements to 45,000 CFM,at discharge pressure to 25 psig or 19" Hg vacuum for air & gas service. Hoffman centrifugals _ . have been operating with utmost
reliability and efficiency in many diverse applications such as combustion drying, agitation, fludizing, oxidation vacuum cleaning, sewage aeration, cooling and pneumatic conveying among others for more than 60 years. --(I.-.
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Environmental Science & Engineering,September 1996