Page 86: of Maritime Reporter Magazine (September 1996)

Toward Environmentally Sound Warships percent VOC reduction for total vessel, elimination of

CFC usage.

Chlorine- Direct discharge per- mitted; discharge projected to be prohibited in the future.

Hull coatings- Presently, coatings are metal-based; non-metal based coatings are envisioned as the future requirement.

Gaseous waste regulations deal with ship exhaust emissions as well as halons, CFCs and VOCs.

Regarding halons and CFCs, which deplete the ozone layer, interna- tional negotiations appear to be leading to a high level of restric- tion.

In practical terms, this points to a phasing out and replacement with other materials that are recog-

MAXIM fresh water makers onboard!

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INDUSTRIES, INC.

See MAXIM at the International Maritime Exposition, New York, Oct. 2-4. 1996, Booth #400. nized as environmentally sol

Regarding VOCs, again the glc trend is toward reduction an< higher level of regulation.

WASTE GENERATION

Waste generation data was gat ered from several NATO navit found generally consistent, ai developed into a "NATO average

For solid and liquid waste gener; tion, a consistent correlation wa discovered between 'quantity c waste generated' and 'number o personnel aboard a ship.' Usinj this correlation, solid and liquic waste quantities were projected based on a ship's complement.

The study showed that it is fea- sible to develop an environ- mentally sound ship that will conform to the regulations pro- jected for the year 2005.

Regarding existing ships, it was concluded that most will have to be retrofitted to comply with emerging regulations

Solid Waste Generation

Profiles

The following types of solid waste were considered in the study:

Plastics

Paper

Food

Metal

Glass

Trash

Hazardous

Medical

Food waste dominated on a weight basis and plastics dominated on a volume basis. In both cases, paper was second.

Liquid Waste Generation

Profiles

The following types of liquid waste were considered:

Black water

Grey water

Oily waste water

Waste oil

Liquid waste generation data was 134

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