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研究報告

Annex C Trends in Annual Solid Waste Arisings in Hong Kong

SUMMARY OF MAJOR TYPES OF SOLID WASTE REQUIRING FINAL DISPOSAL, 1986-1998
Year Estimated Mid-year Population QUANTITY OF WASTE BY TYPE (tpd)
Municipal Solid Waste (landfilled)
Domestic(1)
(a)

QUANTITY OF WASTE BY TYPE (tpd)
Municipal Solid Waste (landfilled)
Commercial
(b)

QUANTITY OF WASTE BY TYPE (tpd)
Municipal Solid Waste (landfilled)
Industrial
(c)

QUANTITY OF WASTE BY TYPE (tpd)
C&D Waste
Landfilled
(d)

QUANTITY OF WASTE BY TYPE (tpd)
C&D Waste
Public Fill(2)
(e)

QUANTITY OF WASTE BY TYPE (tpd)
Special Waste
Landfill
(f)

Total Quantity of Waste LANDFILLED
ie. (a)+(b)+(c)+(d)+(f)
1986 5524600 4420 370 1080 2850 15780 240 8960
1987 5580500 4630 430 1240 4220 13070 250 10770
1988 5627600 4580 420 1410 6520 13320 260 13190
1989 5686200 4870 450 1270 5580 12820 310 12480
1990 5704500 5460 380 1270 8450 8900 360 15920
1991 5752000 5560 400 1430 16380 4880 340 24110
1992 5800500 5760 460 1710 11960 13170 320 20210
1993 5901000 6000 570 1880 11520 10880 250 20220
1994 6035400 6070 700 1660 15480 8370 390 24300
1995 6156100 6210 520 1060 14120 18280 350 22260
1996 6311000 6260 1090 800 7520 22990 490 16160
1997 6502100 6760 1220 700 6480 21950 620 15780
1998 6687200 6820 1290 620 7030 25680 790 16550

 

SUMMARY OF MAJOR TYPES OF SOLID WASTE REQUIRING FINAL DISPOSAL, 2001, 2006 and 2011
SUMMARY OF MAJOR TYPES OF SOLID WASTE REQUIRING FINAL DISPOSAL, 2001, 2006 and 2011
Year Estimated Mid-year Population (million) QUANTITY OF WASTE BY TYPE (tpd)
Municipal Solid Waste (landfilled)
Domestic(1)
(a)
QUANTITY OF WASTE BY TYPE (tpd)
Municipal Solid Waste (landfilled)
Commercial (b) &
Industrial (c)
QUANTITY OF WASTE BY TYPE (tpd)
C&D Waste
Landfilled
(d)
QUANTITY OF WASTE BY TYPE (tpd)
C&D Waste
Public Fill(2)
(e)
2001 6.64 7320 2240 5290 21150
2006 7.34 8560 2790 5750 23000
2011 8.10 9570 3240 6280 25140

(1) Some domestic waste was incinerated up to May 1997
(2) Public Fill = Inert C & D materials delivered to public filling areas
(3) Predicted figures of population in 2001, 2006, 2011 from the Planning Department under Scenario B of the TDSR
(4) Municipal Solid Waste received at disposal facilities = (a) + (b) + (c)
(5) Total quantity of all waste received at solid waste facilities = (a) + (b) + (c) + (d) + (f)
(6) Estimated mid-year population from C&S Dept.
(7) Waste Arisings Indicators: { (a) + (b) + (c) + (d) + (e) } / Estimated mid-year population

WASTE INTAKE AT 3 STRATEGIC LANDFILLS: WENT, SENT & NENT, 1993-1997
WASTE INTAKE AT 3 STRATEGIC LANDFILLS: WENT, SENT & NENT, 1993-1997
Year Average Daily Intake (tpd)
WENT Landfill
Average Daily Intake (tpd)
SENT Landfill
Average Daily Intake (tpd)
NENT Landfill
Total Tonnage of Waste Received
WENT Landfill
Total Tonnage of Waste Received
SENT Landfill
Total Tonnage of Waste Received
NENT Landfill
Total Capacity Occupied (tonnes)
ALL Landfills
1993 1170* - - 50310 - - 50310
1994 2700 1160* - 985500 112520 - 1098020
1995 2810 7070 2620* 1025650 2580550 560680 4166880
1996 1970 7230 3440 719050 2638950 1255600 4613600
1997 4180 7830 3500 1525700 2857950 1277500 5661150
1998 5420 7840 3300 1978300 2861600 1204500 6044400

Notes:

(1) * Figures shown are average of actual operation days rather than 365 days during the year of commissioning
(2) Commission date, designed capacity and site area of WENT, SENT and NENT**.

Landfill Commission Date Designed Capacity (tonnes) Site Area (hectares)
WENT 19-Nov-93 61000000 106
SENT 26-Sep-94 39000000 100
NENT 1-Jun-95 35000000 67

**Source: Environment Hong Kong 1998.

(3) Tonnage of waste received by each strategic landfill each year was calculated as follows: For year of commissioning: Average daily intake (tpd) x No. of actual operation days (ie 43 days for WENT, 97 days for SENT & 214 days for NENT) For other years: Average daily intake (tpd) x 365 days
(4) Waste Treatment & Disposal Indicator: Total Remaining Landfill Capacity by Volume = Designed Capacity minus Used Capacity of all landfills

 

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