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Sustainable Solutions for Tomorrow’s Generations By Svend Bøjgaard, Senior Process Engineer, Anhydro A/S The success of many sustainable solutions depends on the product and the required capacity. Thus the potential savings of water, energy and chemicals varies from case to case. In general, however, savings between 20 and 30% can be expected, making a particularly positive impact on energy-intensive milk-based powder production. In special cases savings can be as much as 50% and on some of our current projects, total annual energy, water and chemical savings will exceed 1 million Euros. While investment payback times are typically short, ranging from six months to three years, some solutions may require a longer-term investment horizon of up to five years. Cross-process savings Some of the solutions are based on what Anhydro calls cross-process energy, water and chemical savings. An example of this is using energy recovered from the evaporator at the CIP or dryer plants. As a result, Anhydro’s approach to sustainability is not limited to evaporation and drying processes. It also involves all related processes and utility connections as potential sources of improved sustainability. Comprehensive coverage Today, Anhydro offers a range of fully engineered sustainable solutions in connection with: • Pre-concentration on membrane plants (RO, NF and UF) Over the last three to four years, Anhydro has been focusing on developing sustainable solutions for tomorrow’s generations. Encompassing a number of sustainable solutions including pre-heating up-streams to the evaporator, evaporation processes and drying processes, this programme was introduced at the ANUGA fair in Cologne in March 2009. • All CIP plants in the factory • Pre-heat treatment for evaporators and dryers • Evaporators • Dehumidification in connection with drying air • Pre-heat treatment of drying air • Final heat treatment of drying air • Surplus water and energy for use in other parts of the processing plant • Energy and water recovery for infant formula mixing and pre heat treatment processes etc. In addition, Anhydro is working on reducing emissions such as powder product waste from the dryer exhaust, including process recycling of as much recovered product as possible. Enhanced sustainability plants In addition to these process sustainability improvements, Anhydro is also developing a number of new processing lines requiring a lower total less energy consumption with corre- Permeate Process – Argentine Clarified, skimmed and Pasteurized whey Drying and Evaporation Ultrafiltration Nanofiltration Permeate buffer Evaporation Pre-crystallization Pre-drying Final-crystallization Final-drying spondingly lower CO2 emission per kg of finished product. Some of these new processing lines will even require a lower capital investment, thus making them additionally attractive. Lower water and chemical consumption will also reduce wastewater load, thus further adding to savings potential. Increased uptime, reduced costs One of the new sustainable plant solutions is the new permeate concentration process (evaporation), which has been installed on a project in Argentina. The new plant has increased processing time (up-time) on the evaporator by more than 1.000 hours/year while energy, water and CIP chemicals costs have been reduced by about 30%, leading to spinoff savings on wastewater treatment. Tomorrow’s generations Sustainable solutions for tomorrow’s generations not only focus on general savings on all our processing plants. They also reflect Anhydro’s commitment as one of the main suppliers of infant formula production plants to limit consumption of raw materials and emissions in order to secure a sustainable future for the infants and children who consume the products made on our plants. Our first step was new, sustainable processing plants. Our next is to develop add-on solutions for existing plants, enabling these to be upgraded to meet tomorrow’s requirements and standards. ■ 22 MÆLKERITIDENDE 2010 NR. 8 Non hygroscopic Permeate powder WPC Minerals
Q-Skyr produced on license from MS Iceland Dairies. (Photo: Q-Meierierne). Synnøve Finden Synnøve Finden was founded by an adventurous woman, Synnøve Finden, who challenged the prejudices against working women around year 1900. After an education as dairymaid, Synnøve and her companion Pernille in 1928 started their own small cheese factory in Oslo. Today, Synnøve Finden employs a staff of 220, and the turnover in 2008 was 860 million NOK. The company runs two production plants in Alvdal and Enebakk. At both locations the main productions are cheeses, some with E-Vitamins, and further a minor production of spicy butter products. Around 50 different types of cheeses are produced under the Syn- Anhydro Anhydro Anhydro A/S A/S A/S Oestmarken Oestmarken 7 7 7 Tel: Tel: +45 Tel: +45 70 278 +45 70 278 222 70 278 222 222 www.anhydro.com www.anhydro.com DK-2860 DK-2860 DK-2860 Soeborg Soeborg Soeborg Fax: Fax: +45 Fax: +45 70 278 +45 70 278 223 70 278 223 223 anhydro@anhydro.com anhydro@anhydro.com Anhydro A/S Oestmarken 7 Tel: +45 70 278 222 www.anhydro.com DK-2860 Soeborg Fax: +45 70 278 223 anhydro@anhydro.com NR. 8 Synnøve & Q-Meierierne The Norwegian dairies Synnøve Finden and Q-Meierierne are both privately owned companies. Yearly, Synnøve buys approx. 100 million kg of milk from the Tine Group. Q-Meierierne is owned and run by the food company Kavli. nøve brand, and the dairy holds approx. 20% of the Norwegian yellow cheese market. Although most of the cheeses are based on modern recipes, some of the products are based on traditional ones developed by Synnøve Finden back in 1928. Synnøve Gudbrandsost. (Photo: Synnøve Finden). Q-Meierierne Q-Meierierne, part of the food company Kavli, runs two dairy plants in Stavanger (Jæren dairy) and in Gudbrandsdalen (Gausdal dairy). At both locations the main products are milk and fresh milk products such as probiotic milks, cream, cream fraiche and yoghurts. In addition Q-meierierne also produces the Icelandic “Skyr” under license from MS Iceland Dairies. Q-Meierierne buys approx. 65 million kg of milk from the company’s associated farmers located nearby the two dairy plants. Q-Meierierne employs a staff of 85 persons. ■ AMT Drying and Evaporation MÆLKERITIDENDE 2010 23
Page 1 and 2: www.dss.eu Nordic Dairy Congress si
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Page 29 and 30: New: The KEOFITT © Aseptic Samplin
Page 31 and 32: NR. 8 Whey Skyr Permeate RO Retenta
Page 33 and 34: Complete Confidence Trelleborg hose
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Page 41 and 42: NR. 8 MAXILACT ® AND DELVO-YOG ®
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