Cement, Energy and Environment July-Sep 2002

rrcqucllll) the most valuable land consequentl y, th e city ha s his tori call y used incineration to reduce the volume of material goi ng into landtills. Today, Honolulu hasoneofthe most modern was te-to-energy facili ties in world. H-Powcr, a 2000- ton-per-day. refuse de ri ved fuel, 50 megawatt. resource recovery plant. In 1997 th e H-Powe r plant converted enough municipal so lid waste per clay into electricity to power more th an 40,000 homes. This facil ity is equipped wi th state– o f-the-art poll uti on contro ls , including acid-gas scrubbers. five– field e lectrostatic precipitators for removal of particulate material from the exhaus t gas, and modern instruments to constantly monitor al l the exhaust gas pa rameters necessary to ensure proper ope rat ion of thi s eq ui pment. In add iti on, 11-Power has modern equ ipmen t for th e remova l of ferrous and non- ferrous metals from the refuse and the ash for recycling. Courtesy: I~CO-F.CJJOES /CPF. Nell's!eller, \far. 01. P 15. Fax: 91-11-3326379 Email: icpede/hi f{j )sify.com Web: 11'11'11'. icpeenl 'iro.org \\ ASTE GLASS IN CONCRETE ( "ONSTRUCTION CSIRO Online Media Release, ll.fu) ' 23, 02 . CSIRO Sustainable Materials Eng inee ring has carried out exten sive fie ld and labo ratory testing which has shown that waste olass that is crushed and screened "' is strong, safe and economical when used as a sand. substitute in concrete. Presently, the waste glass is dumped as unsuitable fo r recycling. CSIRO has prepared a ouide for pre-mi x concrete utilising ~1e ground glass (cullet). The guide sets out prelimi nary requirements for materia l supply. plac ing and Cll ring 0 f COnCrete incorporatin g glass cull et as snnd replacement for municipal attd build ing construction wo rks. Data for this guide has been o-ene rated from CSIRO' s extensive 0 short-term material performance tests involving laboratory and field eva luat ion of pre-mix conc rete incorpora tin g, up to 20 per cent c ru shed g lass blended with conven ti onal sand to meet industry (l rad in o sI' ec ifi ca t ions. 0 the r "' "' commo n uses fo r g, Iass cuII e t inc lud e: fine ly-grou nd contai ner glass utili sed in concrete, road beds, pavement and parking lots, as well as drainage medium, backfi ll or land sca pi ng purposes; va ry ing levels of cullet up to I 00 per cent proposed for general backfill. Waste glass with concrete could be used fo r a range of construction applications including bike raths, footpaths, kerbs, gutters and similar works. ( 'ourtesy: IVIS'I >t lnnoration. Jut 02. P- 8 Fax: 9/ -l/-.f619083 Email: 11'ill(i/ ;nde.vsnl.na in II 'eb: 11'11'\11. wills. org SOLAR ENERGY LIGHTS UP ROOF OF TIBET The Indian Express, 3 Aug 02 Electricity has finally found its way to the Roof of Tibet, the Ali Prefecture, with the installation of solar power panels. Ali Prefecture, where people have used ghee for light ing their homes and temples over the past I 0 cent uri es, has become th e lirst region in Tibet where everyone will have access to electricity, Xinhua News Agency reported from Lhasa. Over 60 power stations, with a com bi ned generat ing capaci ty of 250 kilowatts, have been set up. Some 3000 solar cookers and 12500 solar pane ls have been ins tal led in hou seho lds in Ali. 4500 metres above sea level. Courtesy: 7LRI :\"eu·.1wire. 1- 15 . lu~. 02. ?26. Fax · .f{J82 l_.f-1 or Hi821-15 L"mai1: uulreochra'teri.res. i 11 ll'eh · 11'11"\l'. teriin OI"J~ ~F.\\ FL\ \SII TECH HELPS El\11.\1\'CED CROP YlELD The Ftnanc:iol Express, I5 .ftt~l' 2002 A new fl y ash technology devel oped by CFRI (Central Fuel Research Institute), Dhanbad has been found to enhance crop yield significantly. The Ianners wou ld be greatly bene fited by this technology. The CFRI stud ies on bulk util isation of fly ash in agriculture and forestry have well established the efficacy of fly ash in better u tiIisatio n– efficiency of chem ical fertili zers. reclamation and management of waste. degraded lands and mines. Courtesy: Teri Neii'Sll'ire, 1-15 }11~)1 2002. {'30. Fax: 91-11--16821-1-1 F.-mail: OlttreacMq_lteri.res. in lt'eh: 11'11' 11'. teriin or~ WASTELANDS \VILL BE USED TO FACILITATE 'BlO-DIESEL' OllTPUT Ashok B Shar111a The Financial Express, 15 .July 2002 The Rural Devel opment Mini stry is all set to launch a s-- ~ci al project for using waste lands for cultivation of non-edible oil bearing plantations, like Jct ropha. Karanja, Mahua and .l ojoba for produci ng ' bio-diesel'. The Centre has already been assured of corporate sector parti c ipati on in marketing and process ing these o il-bear ing materials. The Hyclerabad-based SBBF (Southern Biol'e Bio Fuels) Pvt. Ltd has decided to invest Rs. 420 mi llion in setting up a plant with in six months to produce I 00 tonnes of ' bio-dieser per day. It is a lready producing 1.5 lakh litres annually and se lls it for Rs. 13 to 14 per litre. The company"s Managing Director, Mr. N. Salish Kumar. has said th at the price o f "bio-cl iesel' will be kept lowe r th an the prevailing market price of diesel. At present, diese l is priced at Rs. 19.50 per litre in Delhi. SI3BF's pricing