Biomass cogeneration install is s wee t solution for sugarcane processin gmil l

designed and i stal d an electri al solution for biomass energy generation at a major sugarcane processing mill in Mexico. As the first cogeneration project in the country, the scheme reuses sugarcane bagasse as a renew ble energy resource to gener r y

WEG, a leading global manufacturer of motor and drive technology, has designed and installed an electrical sol tion for biomass energy gen ration at a m jor sugarcan sin

WE of m a l adi g global r and dri e technology, has ll in cogen ration proj near oject in the cou try,

the schem reuses sugarcane bagasse as a renewable energy resource to generate nearly 155GWh of electricity per year,, which would be enough to power around 28 000 hom

155GW of elect w ich power around 28,,000 homes

Mexican state of Veracruz, Tres Valles mill, which is part of the PIASA group, has a daily capacity of processing more than 12 tons of sugarcane. Since 2010, it has used a renewable energy source by reusing sugarcane bagasse,


simultaneously generating electricity and thermal energy (steam). This energy is used in the average production of 1,500 tons of sugar per day.

With the electrical package installation designed and supplied by WEG, the plant has now began to generate enough power to redirect excess energy to other companies of the group and, potentially, even supply the electrical WEG’s complete electric

al package for grid.

Tres Valles comprises a SPW1250

generator (50,000KVA, 13.8KV, 4 Poles, 60Hz), control panel, me asurement an d

AD BEST PRA ocated in Tres Valles city, in the

generator protection, control centres for mediumand low-voltage motors, medium-voltage drives, a medium- voltage soft-starter, and a substation and transmission line. The company also provided Tres Valles with all necessary commissioning and startup services. While replacing equipment that had completed over 35 years of service, WEG’s electrical installation has brought many other benefits to the Tres Valles mill. Production costs have been

significantly reduced by facilitating the replacement of fossil fuels with bagasse biofuel to generate electricity, along with huge reductions in environmental

impact. Carbon dioxide emissions of over 3.6 million tons annually – comparable to that from70,000 cars - have been eliminated while increasing throughputs for grinding and sugar preparation.

LA t o co. A th first nufacturer

Trres Valles mill, which is part of the PIASA group, has a daily capacity off processing more than 12 ons of sugarcane

Tres Valles mill, which is part of the PIASA group, has a daily capacity o processing more than 12 ttons of sugarcane


RACTICE SCHEME LAUNCHED BY ADBA The ADBA (Anaerobic Digestion & Bioresources Association) has published three


‘checklists’ as the first step towards a comprehensive ‘Best Practice Scheme’ for the anaerobic digestion sector. The scheme is an industry-led initiative, involving stakeholders from across the sector. The project aims to help the industry improve its environmental and health and safety performance, and help AD operators deliver the best possible operational standards. Fran Lowe, environment and business manager at the Environment Agency, says: “The

Environment Agency welcomes the launch of the AD Best Practice Scheme. The scheme will improve the environmental performance of the rapidly growing AD sector and help prevent pollution incidents.” The scheme is being guided by a steering group that brings together representatives from key trade associations, the insurance sector and other organisations. Amaya Arias-Garcia (Goals PME), who chairs the group says: “The ADBA Best Practice Scheme is an invaluable tool for all the industry practitioners to ensure current and future plants deliver the maximum benefit to businesses and the environment. It focuses on increasing the understanding of the risks throughout the whole process and provides a platform to improve performance.”

Anaerobic Digestion & Bioresources Association (ADBA) A) 10 10 NOVEMBER 201 MBER 2016 | AU AUTOMA MAT ATION adbioresources. rg


“Thanks to WEG’s support, we are being recognised by the government as the first cogeneration proj Mexico and received

the Technological oject at a plant in

Innovation award fromCONACYT,” explains Guillermo Mendoza, the

BA PIASA Group. “The Tres Valles solution has now become a model for the

coordinator of cogeneration projojects at

company and the plant’s excess energy is redirected to other companies of the group and, overall, we estimate that we will be able to obtain a return on investment in six years.”

Drawing upon its successful

cooperation with WEG at Tres Valles, the PIASA Group is now due to install a boile r of 250TVH, 87 bar, 525 °C and a turbine with a 50 MW generator at its Adolfo Lopez Mateos plant. Operation is scheduled to start in November 2017.

WEG (UK) www

ww.we T: 01527 513800 /AUTOMATION AT /AUTOMATION T: 01527 513800

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