INTERNATIONAL FOOD SAFETYBy David NapperSupporting SustainabilityMeans an End to WasteThis is one in a series of“P3FC” articles (People,Planet, Prosperity and the<strong>Food</strong> Chain), essays andcomments from assortedauthors. All articles in theseries will address thechallenges of food productionto communicatebest practices in the industryand encouragethe adoption of sustainablepolicies. All authorsare food professionalscoming from diverseemployment sectors andfrom around the globe.The goal of P3FC is tohelp create a global foodsupply chain that takesinto account the wellbeingand prosperity ofpeople and the planet. Ifyou are interested in contributingan article to theP3FC series, please sendan email tokatherine.flynn@safeconsortium.org.The entire global food supplychain shares in the challengesfacing the food industry today.We recently had a most pleasing andfulfilling experience when we visitedthe person responsible for burningregulations in Denmark’s environmentalagency. Several efforts hadbeen made to burn some forms of organic waste withvarying degrees of success, but permission to introducenew technologies had not been achieved. Wonderingwhy, the applicants asked us to look into it.We started by looking at the legislation requirements(which was the last thing they had done). Naturally,everyone cannot burn everything they wish to createenergy, so their expressed disappointment over lack ofpermission was well founded.The pleasant part of the effort came from gettingan outline about how definitions can be changed withwell-founded documentation. If things are, by definition,waste, then there are prescribed handling procedures;if they are “value,” there are other options.Simple but straightforward.You many feel this does not have any significancefor our dialogue related to shouting about salvationof the planet, but let us not forget, waste is big business,and in quite a number of cases, it is a monopoly.As with all monopolies, whether political, economicalor social, over time, antibodies are formedfor the protection of the organism. All monopoliesgenerate resistance over time, and so has the waste industry.Western countries rely on revenue from thetax on energy. So it’s no surprise when efforts to use“waste” to create untaxed energy get slow or unenthusiasticsupport.The technical director of a small foodfactory explained to us that he did notintroduce energy-saving technology becausethe state required the tax on energysaved to be paid anyway. He waspaying as much for getting rid of organicsin the water as he was for buying thewater, and the state was taking a sliceequal to each of the others. That is, approximatelyone-third of his water billwas for purchasing water, one-third wasfor the treatment of the water and onethirdwent to the state tax. He was usingaround 1,000 m 3 water per day, whichcame into the factory at around 8 °Cand left at 28 °C—around 27,000 kW energywasted. Water cost in Denmark isaround €5/m 3 . If he released the waterat 8 °C by recapturing that 27,000 kW,he would pay the same for buying thewater and the same taxes. If he removesthe organics, he is able to use all or partof them by burning chicken fat for energyor extracting proteins and fat forpet food. The water would then be suitablefor regaining the energy and someof the water would be suitable for reuse.Consumption could be reduced to anestimated 300 m 3 /day. He is currentlypaying a surcharge for organic load inthe water, which would be eliminated.He was partially reducing organic loadin his effluent through the use of hazardouschemicals for flocculation, creating28.8 tons/day of hazardous waste,which had to be trucked away at his expense.Much of that can be changed, ifwe believe the new legislation.During another audit, which also involvedlocal government, a communeexpressed openly that the introductionof technology, which would both savethe small-to-medium enterprises (SMEs)energy and greatly reduce their organicload, would be detrimental because thecommune depends on the revenue fromwaste treatment and needs the organicsto keep the bacteria functioning well atthe wastewater treatment plant(WWTP). Their only alternative would20 F O O D S A F E T Y M A G A Z I N E
INTERNATIONAL FOOD SAFETYbe to haul in molasses to feed the bacteria.They did not mention that the heatwaste from their factory was also of useas it increased the efficiency of theWWTP process.In Italy, only authorized companiescan collect used fats from deep-frying,but it is not specified what the propertreatment would be to render this materialsafe for the environment, so a numberof companies have sprung up,collecting the fat for the revenue but notbothering to handle it responsibly letalone convert it into energy in any way.We have followed many inspirationalpresentations from organizations such asCradle-to-Cradle, 1,2 which offer a verygood road map for many actions to betaken, but even logical actions will notnecessarily be allowed under current lawsand may be contrary to many interests.Now we have the “End-of-Waste” actionsand movements, which look quitepromising. In simple terms, EuropeanUnion Directive 2008/98/EC 3 opens thedoor for taking material out of the“waste definition” with attendant obligationsand allowing the concept of somethingof value, which provides anexception from “waste management”and allows value recovery. It may notsound like much, but opportunities areboundless for the food and beverage industry,where more than half of materialsproduced end as a problem for theenvironment.The European Commission’s JointResearch Centre in Seville, Spain has releaseda very good report on the matter,so anyone wishing to follow the widerdiscussion can visit susproc.jrc.ec.europa.eu/documents/Endofwastecriteriafinal.pdf. The executive summarycovers the matter extensively, so have alook and give us feedback.In the spirit of the efforts of theGlobal Harmonization Initiative, 4 thework recognizes the necessity of standardizedlegislation so speculation ondifferences between states can beavoided. The End-of-Waste legislationmandates harmonization, taking specialinterest decisions (whether hidden taxesor unjustified laxity or stringency) out ofthe picture.nDavid Napper is a member of the editorial teamof P3FC. He has worked extensively with EuropeanSMEs in attempts to identify trends that could influencetheir economic success. The solutions canoften be implemented incrementally with as littletechnology transfer and training as possible.References1. www.mcdonough.com/cradle_to_cradle.htm.2. en.wikipedia.org/wiki/Cradle_to_Cradle_ Design.3. eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:32008L0098:EN:NOT.4. www.globalharmonization.net.F E B R U A R Y n M A R C H 2 0 1 2 21
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