Following a cleaner production approach to guide the permitting process of odour producing industries : an assessment of case studies.
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Date
2011
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Abstract
The eThekwini Municipality is facing two major challenges in controlling odorous emissions by various
industries in the South Durban Basin; firstly, getting industry to manage their onsite odorous emissions and,
secondly regulating these odorous emissions. This study focused on the Jacobs’s Industrial Complex (JIC)
which comprises various industries releasing air emissions which impact on the local air quality. The impact of
these emissions is supported by the number of odour complaints reported to the eThekwini Environmental
Health Department by the public.
Cleaner production (CP) is an integrated approach aimed at continuously reducing environmental impacts of
processes, products and services through applying preventive approaches rather than controlling and managing
pollution once it has been created. This dissertation has assessed the application of CP as a concept to prevent
and reduce emissions of odours by industries in the JIC that are an impacting on the environment and
neighbouring communities. Three CP case studies are analysed to demonstrate the applicability of the approach.
These are a CP project for drum reprocessing company based in the South Durban Basin and two waste
minimisation clubs which operated from 1998 to 2000 in Durban.
The key findings, outcomes, experiences and lessons learnt from these case studies underpin the
recommendation of an approach that can be applied by eThekwini Municipality to incorporate CP in the
scheduled trade (ST) permitting of odour producing industries. This research has applied a multi-case study
design implying both qualitative and quantitative approaches. A qualitative approach was used in the detailed
analyses of case studies whilst the quantitative one was applied in the graphical analyses of the odour
complaints statistics for the JIC.
The study concludes by drawing two major recommendations from the lessons leant. Recommendation 1: The
general CP strategy that can be applied by eThekwini Municipality in regulating, promoting, enforcing,
monitoring and evaluating application of CP practices among stakeholders. The recommended objectives for
the general strategy include:
· Enforcement of uniform regulatory standards.
· Development of a policy or guidelines.
· Effective compliance monitoring and enforcement.
· Develop a local Cleaner Production Centre (LCPC).
· Ensure co-operative governance.
· Provide adequate financial resources.
· Monitoring and evaluation.
Recommendation 2: Strategy for incorporating CP in the ST permitting of odour producing industries. It is
recommended that the ST permit holder for an odour producing industry comply with the following:
· Prioritisation of odour like the other priority pollutants.
· Industry to perform an audit to map odour emitting areas.
· Permit holder to development a CP based odour management plan.
· Investigate possible CP projects that can be undertaken to prevent and mitigate odour emissions.
· Incorporate an odour management plan into a 5 year environmental improvement plan.
· Develop and appropriately manage an odour complaints management system.
· Set odour management performance indicators and baselines for targets and reporting.
· The permit holder should include odour management performance including odour complaints
management in the annual report.
Description
Thesis (M.Sc.Eng.)-University of KwaZulu-Natal, Durban, 2011.
Keywords
Odours., Odour control., Air--Pollution--KwaZulu-Natal--eThekwini Metropolitan Area., Theses--Civil engineering.