ISSN-0835-605X Editor and Publisher TOM DAVEY
September 1993, Vol.6 No.4 Issued September, 1993
CONTENTS
(416) 727-4666 Associate Editor SANDRA DAVEY
Sales Manager PENNY DAVEY (416) 727-4666
Could tree spiking be considered arboreal acupuncture?
O
By Tom Davey
Western Canada and
Western US Rep.RON GANTDN (604) 274-3849
Bacteria found to purify pulp & paper mill waste
18
Chemistry — an invisible profession with historical giants
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President STEVE DAVEY
(416) 727-4666
Technical Advisory Board
By Tom Davey
Robert B. Baker, M.A.Sc., P.Eng. Totten Sims Hubicki Associates
Allan Church, C.Chem. Church & Trought
George V. Crawford, P.Eng. Gore & Storrie Ltd.
Robert Ferguson, P.Eng. Metro Toronto Works Dept. Dr. Howard Goodfellow Goodfellow Consultants Ltd.
Chlorination and chloramination for municipal water supplies By S.Y. Jasim
Using earthworms during biological testing for soil quality
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By C.D. Wren, G.L. Stephenson and R.P. Lanno Demonstration of advanced high rate treatment for CSO Control
By G. Zukovs. W.C. Pisano. R.M. Pickett and P. Chessie
30
Rod Holme, P.Eng. Proctor & Redfern Ltd.
Don Kemp, M.A.Sc., P.Eng.
Modelling transients in complex pipelines By Bryan W. Karney
34
MacViro Consultants
Peter Laughton, M.Eng., P.Eng. DEE R.V. Anderson Associates
Dr. Earl Shannon, P.Eng. CH2M Hill Engineering Ltd. R. Bruce Smith, LLB.
Resource Productivity as a new measure for industrial
performance
By Seiichi Watanabe Fungal remediation technology for site clean up
43
California to host 66th WEF conference
56
Blake Cassels Graydon Environmental Science & Engineering is a bi-monthiy business publication published by Environmental Science & Engineering Publications Inc. An ail Canadian publica tion, ES&E provides authoritative editorial
coverage of Canada's municipal and in
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By Steve Davey
dustrial environmental control systems
Corrosion control for ductile iron pipe with polyethylene
and drinking water treatment and distri
encasements
bution.
By Normand De Agostinis
ES&E's readers include consulting engi neers, industrial plant managers and en gineers, key provincial and federal envi ronmental officials, water and waste-water treatment plant operators and contractors.
Greenhouse gases control brewery wastewater pH in EC By Brian Lemke P. Eng.
62
Time now for free trade within Canada
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58
ES&E welcomes editorial contributions
but does not accept any responsibility whatsoever for the safekeeping of con tributed material. Environmental Science
& Engineering, 10 Retch Or., Aurora, Ontario, Canada, L4G 5N7, Tel: (416) 727-4666 Fax:(416)841-7271. All advertising space orders, copy, art work, film, proofs, etc. should be sent to Environmental Science& Engineering,c/c Pro-Art Graphics, 70 Ferrier St. Markham, Ontario, Canada, L3R 2Z5, attn: Gary
By John Coomey Departments Industry Update
10
R&D News
36
Classifieds Literature Reviews
Product Review
45
Ad Index
Reader Service Card
54
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52a
Welch
Canadian Publications Mall Sales
Product Agreement No. 181897 Second Class Mall
Registration No. 7750 Printed in Canada, by Pro-Art Graphics Ltd. No part of this publication may be rep roduced by any means without written permission of the publisher. Yearly subscription rates: Canada $45.00 for one year, $80.00 for two years, $8.00 per single issue; cheques must accom pany subscription orders. Directory &
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Cover Story (page 64) This wastewater treatment pilot skid is a 7'6" x 39'0" platform mounted on wheels and designed as a portable demonstration unit. A Drumshear (a
rotary fine screen),an Aer-0-Float(acavitation air flotation unit)and a Sludge Cannon (a sludge dewatering device) are mounted on this platform which can be shipped conveniently anywhere in the world. Aer-0-Flo photo Information presented in ES&E is collected from a variety of sources presumed to be accurate and complete. ES&E cannot be held responsible for the accuracy of the information presented. Readers are encouraged to contact authors,agencies and companies directly for verification and/or clarification. Material in ES&E only conveys information and should not be considered as legal or professional advice.
Environmental Science & Engineering. September 1993