Washing of pebbles (concrete mixer or hot water/ high pressure)

Washing of pebbles (concrete mixer or hot water/ high pressure)

Type of treatment: Treatment

Description:

Cleaning of the pebbles and stones using high pressure and hot water cleaners.


Waste:

Polluted pebbles/ stones


Situation/Possibilities in the country:

Required equipment could be sourced in any country


Interest:

Allows returning the clean pebbles on the beach.


Entry criteria:

Any polluted pebbles and stones.


Operational constraints:

Requires personnel, specific site, high pressure cleaner / steam cleaners, energy, washing effluents management facility.
Steam cleaners that can work with sea water should be used preferably to limit the use of freshwater.


Impacts:

Minimal if the washing effluents are managed correctly and if sea water is used.


Legal constraints:

Refer to those applying to the management of oily water.


Efficiency:

Depends on the number of cleaner used.


Cost:

CAPEX: one high pressure / hot water cleaner working with sea water: 7,000 euros.
One portable concrete mixer (benzene engine): 1,000 euros.
OPEX is mainly related to the cost of manpower (3 to 4 workers per high pressure machine/ concrete mixer).

published on 2019/12/10 15:55:06 GMT+0 last modified 2019-12-10T15:55:06+00:00