Central Pollution Control Board

HAZARDOUS WASTE MANAGEMENT

ENVIRONMENTALLY- SOUND MANAGEMENT FOR RE-ROCESSING OF ZINC ASH/SKIMMING, LEAD WASTE & WASTE OIL :

(B) Environmentally sound Management for Recovery of Lead from Battery Scrap

The application of the user industry be accompanied by the following permission/authorization and compliance of sedition there of from the concerned State Pollution Control Boards.:

Authorization under Rules 5f or the Hazardous Waste (Management & Handling 0 Rules, 1989 notified under Environment (Protection) Act, 1986 from the concerned Pollution Control Boards of the State (Committee in case of UT) where waste will be processed;
Consent under Section 25/26 of the Water (Prevention & Control of Pollution) Act. 1974 from the Pollution Control Boards of the State where the waste will be processed.
Consent under Section 21 of the Air (Prevention & Control of Pollution) Act, 1981 from the Pollution Control Boards of the State where will processed;
Analysis report from the State Pollution Control Boards showing the compliance of emission control system and effluent control equipment provided by the user to meet the standards;
Authorization for facility of storage, treatment and disposal of hazardous waste. .

The transport of scrap/waste from existing storage site to the user's site shall be in accordance with the Hazardous Waste (Management & Handling) Rules, 1989 notified under the Environment (Protection) Act, 1986.
The storage of waste at the processing site shallbe such that the material will not come in contact with water.
The waste shall be processed for recovery of lead by reduction process in furnace with proper optimization of process.
The emission of air pollution during the process shall not exceed the following tolerance limits:
The slag produced after the recovery of lead shallbe reprocessed at last twice so as to bring down the lead content in the slag the will be come due for disposal .

Slag Disposal

Disposal of slag shall be done at the dedicated secure landfill facility as per the design approved by the State Pollution Control Boards or as given in the guidelines under Hazardous Waste (Management & Handling) Rules, 1989.
In case of Ferro-silicate slag \, it shall be subjected to the TCLP (Toxicity Characteristic Leach ate Procedure) for verification of compliance of tolerance limit as per US-EPA. If the slag passes the TCLP test, it could be sent for landfill road leveling, buildings construction etc. after approval of SPCB.

The leach ate collection system shall be provided for the slag disposal/landfill facility (as required above under 7 (a). Collected leach ate shall be further treated so as to meet the tolerance limit of heavy metals as under:

Parameter

Standard, mg/l, max

Inland Surface Water

Public Sewers

Mar9ne Coastal Area

Arsenic (as As)

Lead (as Pb)

Cadmium (as Cd)

Copper (Su)

Zinc (as Zn)

Selenium (as Se)

Nickel (as Ni)

0.2

2.1

2.0

3.0

5.0

0.05

3.0

0.2

1.0

3.0

15.0

0.05

3.0

0.2

2.0

3.0

15.0

0.05

5.0

(Reference: Environment (Protection) Second Amendment Rules, 1993, notified vide G.S.R. 422(E), dated 19.5.1993, published in the Gazette No.174, dated 19.05.1993)

The industry should regularly monitor the emission/effluent (forthrightly) and ambient air quality at three locations (weekly) and leach ate sampling and analysis reports shall be submitted to the SPCB (sampling location shall be decided in consolation with SPCB)

(C) Environmentally-sound management for processing/re-refining of Waste Oil
Lubricating oil after prolonged of water, carbon particles, sludge etc. this oil is replaced depending upon the use and performance requirement. The disposal of the used oil is an environmental problem. Re-refining of waste oil needs to be done in an environmentally sound manner. Indiscriminate disposal will cause pollution of water bodies and soil.

2. Definition
2.1Waste oil is covered under the Hazardous Wastes (Management & Handling) Rules, 1989, in the Schedule at Category No. 10 as Waste oil and oil emulsions, with regulatory quantity as 1000 kg per year as oil and oil emulsions

2.2 In respect of wastes oil, if on sampling the concentration of:

PCB/PCT/PBB is more than 5 mg/l
Chlorinated solvents, benzene & total PAH is more than 100 mg/l
Heavy metals (arsenic, barium, chromium, copper, cadmium, nickel, lead, zinc), each is more than 100 mgl/l,

Then the waste oil will be considered as hazardous waste within the meaning of HW (M&H) Rules, 1989 and import would be regulated through Form 6 as per rules. (Reference: Central Excise Board's letter no. F.No.478/33/96-LC, dated 17.9.97)

2.3 Waste oil containing more than 2000 ppm of halogens and/or 20 ppm of PCBs/PCTs shall not refined/re-claimed and must be sent for final disposal at hazardous waste Treatment, Storage and Disposal Facility/Site (TCDF) in accordance with the HW (M&H) Rules, 1989, and import not allowed.

Parameters proposed for determination of the Environmentally-sound Management for re-refining of waste oil are:

Physical separation of impurities is done by stage-wish vacuum distillation of waste oil at different pressures and temperatures.
No acid or chemical is used in the process.
Clay is used only for colour improvement and quantity of clay used shall not exceed 25 kg/t of oil re-refined. (
Water is not used in the process.
There is no process emission of gases/ dusts. Fuel shall be used only for utilities.
Emission of water arising out of dehydration process (i.e. removal of moisture from the waste oil which is about 2 to 5%) is treated in oil-water separators so as so meet the tolerance limit of 10 ppm of oil and grease in the treated water.
Solid waste arising out of fitter press is stored in a concrete (lined) pit before being sold out as fuel as it may contain oil and thus, have good calorific value.

Back to Content