Environmental Engineering Reference
In-Depth Information
3.1.2 Waste Characteristics and Treatment
Annex III.2 gives background
information on waste characterization and Annex III.3 on feasible methods
for treating and disposing of the wastes. This will be useful for Task 2.2.
As noted in Annex III.3, the types of LHWs (liquid HWs) include three
general categories, corresponding to ongoing practices in the U.S.
Recently a new approach has been under development at the University
of Texas (Austin) for treatment and disposal of LHWs by “supercritical
water oxidation” which sues very high temperature/pressures which break
the HW substances down into harmless simple substances (Reference 6 and
Annex III.5). It is anticipated that this type of treatment will come into
commercial use within the next few years.
3.1.3 Project Alternatives
Because of the “not in my backyard” feeling of
most of public, it is important to present a convincing case for the proposed
selected location, together with adequate attention to Public Participation
(See Item 3.5).
3.2 Environmental Study Area (ESA)
The ESA must be very carefully
delineated and explained (See Comment 2.2/ii).
3.3 Environmental Impacts and EPMs
Information from the Reference
1 and Reference 2 sources is summarized in Annex III and IV.
3.4 Environmental Monitoring
Because of the sensitivity of all HWMP
operations, preparation of the Environmental Monitoring programs is
essential, especially for the Operations stage. This is to cover all items noted
in Comment 2.2 and Annex III.4.
3.5 Public Participation
Because of the “not in my backyard” feeling of
many people, they will tend to oppose any waste treatment/
disposal facility to be located in their neighborhood, no matter how well it
may be planned, because of apprehensions that the system will not be
properly designed/operated/monitored. For this reason a public participation
program, including provision of amenities, will usually be very important, to
convince the localities that they will be properly protected. T his may include
provisions for allowing local representatives to participate in the project
planning and especially in the continuing project monitoring, with agreement
that the system will be shutdown if not giving satisfactory performance. This
approach has been very successfully utilized for example, by the Los
Angeles County Sanitation Districts in gaining neighborhood acceptance of
proposals for new waste landfilling operations. For further details please
refer to DEIE's Supplemental Process Manual on Public Participation.
Reference 8 is an example of such public concern for a proposed HWMP
in Thailand.
