Displaying items by tag: sludge

Philippines: Cemex Philippines has secured a contract with Manila Water Company for the supply of biosolids from sewage processing for use as alternative fuel (AF). Cemex Philippines has already taken receipt of 10t of biosolids at its Antipolo cement plant in Luzon's Calabarzon Region.

Cemex Philippines’ sustainability and public affairs director Christer Gaudiano said “As pioneers of the use of biosolids as AF in the country, we have just signed what will now create the series of significant steps towards making circular economy a reality."

Sustainability initiatives form one arm of Asian Development Bank (ADB) and the ASEAN Capital Markets Forum's Golden Arrow award for good management, which Cemex Philippines won for the second time on 9 February 2023.

Vietnam: Vicem But Son Cement has reported that it now substitutes between 20% and 30% of its fuel with alternative fuel (AF). Viet Nam News has reported that company says that it eliminated 133,000t of CO₂ emissions through AF co-processing in 2021. It has used sewage sludge and industrial waste as sources of AF since September 2019.

China: Guangzhou Zhujiang Cement has completed a dry sludge co-processing project at its plant in Shenxian, Baiyun in Guangdong. The plant can process 300t/day of the dry sludge. CNBM Sinoma’s subsidiary Tianjin Cement Industry Design & Research Institute (TCDRI) was the main contractor on the initiative. The project was agreed in early 2016, built in 2017 and then tested from late 2017.

US: The city of Fort Myers in Florida is planning to send 30,000t of ‘toxic’ sludge for disposal at LafargeHolcim’s Theodore cement plant in Alabama. The waste will be transported by truck to LafargeHolcim quarry north of Crystal River for pre-treatment and then onto the Theodore plant, according to the Citrus Country Chronicle newspaper. The company hopes to start the removal process in October 2018 and complete it by the end of the year. Permit application for the removal process are still on-going. The ‘toxic’ sludge came from the city’s water plant. It was dumped in fields in Fort Myers from the 1960s to the 1990s.

Egypt: Khaled Fahmy, the Minister of Environment, has opened a new production line at Arabian Cement Company’s Ain Sokhna plant in Suez. The line uses FLSmidth’s Hotdisc combustion device to allow it to use high levels of alternative fuels, according to the Watani newspaper. The opening was attended by Muhammad Shehab Abdel-Wahab, chief executive of the Egyptian Environmental Affairs Agency, Nahed Youssef, head of waste management organisation, as well as a number of representatives of the financiers, and director of the European Investment Bank.

In 2015 Arabian Cement Company commissioned another Hotdisc installation. At the time is said it had a designed fuel mix of 70% coal and 30% alternative fuels, using a mixture of agricultural wastes, municipal sludge, and refuse-derived fuel (RDF).