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  • Liquid waste

    To them it's just a crap,
    to us it's bread and butter.

    Spike Milligan

Treatment of Hazardous and Non-hazardous Waste (D9)


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Processing of hazardous and non-hazardous waste takes place according to the physico-chemical process of electrocoagulation (operation D9). 40 tons of liquid waste can be treated daily.

Liquid waste passes through rakes into an electrocoagulation basin, where at a high electric current, iron plates release ions, which act as a precipitating agent for undesirable substances. A flotation process separates the sludge from the treated water. Pumps pump the sludge into the sludge storage tank and the water, suitable for discharge, into the sewerage system. A centrifuge mechanically thickens the sludge before leaving the plant to be disposed of as hazardous waste.

Tabel 2:

Waste Classfication – List of Waste (operation D9)
Hazardous and non-hazardous waste (physico-chemical treatment of liquid waste)

Waste ClassificationList of Waste
01 05 04freshwater drilling muds and wastes
02 02 01sludges from washing and cleaning
02 03 99wastes not otherwise specified
02 07 99wastes not otherwise specified
03 03 05de-inking sludges from paper recycling
07 02 01*aqueous washing liquids and mother liquors
07 03 01*aqueous washing liquids and mother liquors
07 04 01*aqueous washing liquids and mother liquors
07 05 01*aqueous washing liquids and mother liquors
07 05 04*other organic solvents, washing liquids and mother liquors
07 05 12sludges from on-site effluent treatment other than those mentioned in 07 05 11
07 06 01*aqueous washing liquids and mother liquors
07 06 04*other organic solvents, washing liquids and mother liquors
07 07 01*aqueous washing liquids and mother liquors
08 01 14sludges from paint or varnish other than those mentioned in 08 01 13
08 01 19*aqueous suspensions containing paint or varnish containing organic solvents or other hazardous substances
08 01 20aqueous suspensions containing paint or varnish other than those mentioned in 08 01 19
08 02 03aqueous suspensions containing ceramic materials
08 03 07aqueous sludges containing ink
08 03 08aqueous liquid waste containing ink
08 03 16*waste etching solutions
08 04 15*aqueous liquid waste containing adhesives or sealants containing organic solvents or other hazardous substances
08 04 16aqueous liquid waste containing adhesives or sealants other than those mentioned in 08 04 15
09 01 01*water-based developer and activator solutions
09 01 02*water-based offset plate developer solutions
09 01 03*solvent-based developer solutions
09 01 04*fixer solutions
09 01 05*bleach solutions and bleach fixer solutions
09 01 06*wastes containing silver from on-site treatment of photographic wastes
10 01 26wastes from cooling-water treatment
10 02 11*wastes from cooling-water treatment containing oil
10 02 12wastes from cooling-water treatment other than those mentioned in 10 02 11
10 03 27*wastes from cooling-water treatment containing oil
10 03 28wastes from cooling-water treatment other than those mentioned in 10 03 27
10 04 09*wastes from cooling-water treatment containing oil
10 04 10wastes from cooling-water treatment other than those mentioned in 10 04 09
10 05 08*wastes from cooling-water treatment containing oil
10 05 09wastes from cooling-water treatment other than those mentioned in 10 05 08
10 06 09*wastes from cooling-water treatment containing oil
10 06 10wastes from cooling-water treatment other than those mentioned in 10 06 09
10 07 07*wastes from cooling-water treatment containing oil
10 07 08wastes from cooling-water treatment other than those mentioned in 10 07 07
10 08 19*wastes from cooling-water treatment containing oil
10 08 20wastes from cooling-water treatment other than those mentioned in 10 08 19
11 01 05*pickling acids
11 01 06*acids not otherwise specified
11 01 07*pickling bases
11 01 11*aqueous rinsing liquids containing hazardous substances
11 01 12aqueous rinsing liquids other than those mentioned in 11 01 11
11 01 13*degreasing wastes containing hazardous substances
11 01 14degreasing wastes other than those mentioned in 11 01 13
11 01 15*eluate and sludges from membrane systems or ion exchange systems containing hazardous substances
12 01 08*machining emulsions and solutions containing halogens
12 01 09*machining emulsions and solutions free of halogens
12 03 01*aqueous washing liquids
12 03 02*steam degreasing wastes
13 01 04*chlorinated emulsions
13 01 05*non-chlorinated emulsions
13 05 02*sludges from oil/water separators
13 05 03*interceptor sludges
13 05 07*oily water from oil/water separators
16 10 01*aqueous liquid wastes containing hazardous substances
16 10 02aqueous liquid wastes other than those mentioned in 16 10 01
16 10 03*aqueous concentrates containing hazardous substances
16 10 04aqueous concentrates other than those mentioned in 16 10 03
19 07 03landfill leachate other than those mentioned in 19 07 02
20 03 03street-cleaning residues
20 03 99municipal wastes not otherwise specified

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