Ingenieur Vol. 64 Oct-Dec 2015 Ingenieur Vol 64 Oct-Dec 2015 | Page 32

INGENIEUR TSIP’s technical features include: Refuse Handling ●● Eight weighbridges of 50 tonnes capacity each ●● 24 refuse discharge bays and two refuse screening bays served by a hydraulic polyp grab ●● Four bulky waste rotary shears with 25 tonnes per hour capacity ●● Two bulky waste cranes and four refuse cranes of 10m³ each (wire rope operated) ●● Two separate refuse storage bunkers and one bulky waste storage pit Refuse Incineration and Steam Generation ●● Six stoker/furnace units with integral boilers Flue Gas Handling ●● Six two-zone electrostatic precipitators ●● Six ten-compartment catalytic bag filters each comprising 2,240 fabric bags ●● Two concrete chimneys of 150m height with ceramic brick inner lining ●● Two lime silos and two reaction product silos Waste Type Waste Disposed of (tonnes) Waste Recycled (tonnes) Waste Generated (tonnes) Recycling Rate (%) Construction debris 9,700 1,260,000 1,269,700 99 Used slag 5,100 361,200 366,300 99 Ferrous metal 57,000 1,388,800 1,445,800 96 Scrap tyres 3,100 23,100 26,200 88 Non-Ferrous metals 23,700 94,700 118,400 80 Wood 74,400 293,500* 367,900 80 Horticultural waste 115,300 163,000* 278,300 59 Paper/Cardboard 590,900 646,500 1,237,400 52 Glass 63,800 15,700 79,500 20 Ash & Sludge 126,800 21,700 148,500 15 Food 687,200 101,400 788,600 13 Textile/Leather 141,800 16,800 158,600 11 Plastics 789,000 80,000 869,000 9 Others (stones, ceramics, 355,600 rubber etc) 4,700 360,300 1 Total 4,471,100 7,514,500 60 3,043,400 Table 1 WASTE STATISTICS AND RECYCLING RATE FOR 2014 Source: National Environmental Agency, Singapore 6 30 VOL – DECEMBER 2015 VOL64 55OCTOBER JUNE 2013