Please enable JavaScript.
Coggle requires JavaScript to display documents.
CHAPTER 9 HAZARDOUS WASTE MANAGEMENT - Coggle Diagram
CHAPTER 9
HAZARDOUS WASTE MANAGEMENT
FUNDAMENTAL
Characteristics
ignitability
corrosivity
reactivity
toxicity
A waste is determined to be hazardous waste if it is specifically listed on one of the four lists.
F-list. Waste from common manufacturing & industrial processes
K-list. Waste from specific sectors of industry and manufacturing & are considered source-specific wastes.
P-list & U-list. Hazardous waste pure and commercial grade formuations of certain unused chemicals that are being disposed.
Types of Hazardous Wastes
Chemical
any solid, liquid, or gaseous waste material that, if improperly managed or disposed of, may pose substantial hazards to human health and the environment.
Biomedical
any waste, which is generated during the diagnosis, treatment or immunisation of human beings or animals, or in research activities pertaining thereto, or in the production or testing of biologicals.
E-waste
a broken, non-working or old/obsolete electric electronic appliance such as TV, PC, air conditioner, washing machine and refrigerato
Radioactive
a byproduct from nuclear reactors, fuel processing plants, hospitals and research facilities. Radioactive waste is also generated while decommissioning and dismantling nuclear reactors and other nuclear facilities
Main Problem in Hazardous Waste Management in Malaysia
Illegal dumping of scheduled wastes
Status of spent batteries and E-waste
it being generated at an alarming rate.
contain components such as accumulators, mercury switches, glass from cathode-ray tube contaminated with radiation, etc.
TRANSPORTATION
Hazardous waste generated at source requireds movement by trucks.
Serious care and attention while transporting the waste
Properly packed and labelled before transport to ensure safe handling
STRATEGIES
Strengthen the hazardous waste management policy.
Enforcement of the environmental legislations.
Recovery/Reuse of Waste
Set of soil pollution guidelines for hazardous wastes dumping site
Electronic reporting system called E-SWIS and E-consignment
Audits on waste generators systematically.
REGULATIONS/POLICIES
Environmental Quality (Scheduled Wastes) Regulations 2005
Environmental Quality (Prescribed Conveyance)(Scheduled Waste) Order 2005
Environmental Quality (Prescribed Activities) (Environmental Impact Assessment) Order 1989
Environmental Quality (Prescribed Premises)(Scheduled Wastes Treatment and Disposal Facilities) Regulations 1989
CORONAVIRUS & HAZARDOUS WASTE MANAGEMENT
Wastewater Management
Common disinfection practices in wastewater treatment facilities are expected to be sufficient. e.g. oxidation with hypochlorite. disinfectiing with peracetic acid, inactivation using UV irradiation
Curbside Garbage Pickup
PUIs in self-quarantine line trash collection bins with DOUBLE BAGS and not bring them to the curb for collection until self-quarantine period has expired
If the person contracted the virus, one must seek advice from medical professional before pickup the them to curb.
Decontamination
increase the need for remediation and decontamination of interior surfaces in places of business and other public spaces.
TREATMENT
Chemical Methods
Ion exchange
Precipitation
Oxidation and reduction
Thermal Methods
high temperature incineration
Biological methods
landfarming
Physical methods
Evaporation
Sedimentation
Flotation
Filtration
Solidification
SURFACE STORAGE & LAND DISPOSAL
landfilling
underground injection
Surface storage or Containment systems