Fouling and cleaning studies in the food and beverage industry classified by cleaning type

Comprehensive Reviews in Food Science and Food Safety

Volumn 12, Issue 2, 2013, Pages 121-143

  Goode, Kylee R ^a   Asteriadou, Konstantia ^a   Robbins, Phillip T ^a   Fryer, Peter J ^a  

^a UNIVERSITY OF BIRMINGHAM   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

FLOW CHARAC-TERISTICS; FOOD AND BEVERAGE INDUSTRY; INDUSTRIAL CLEANING; INDUSTRIAL PROBLEM; MEASUREMENT METHODS; MONITORING METHODS; SODIUM HYDROXIDE SOLUTIONS; SURFACE SHEAR STRESS;

BEVERAGES; BIOFILMS; DEPOSITS; REYNOLDS NUMBER; SURFACES;

CHEMICAL CLEANING;

EID: 84875014247     PISSN: None     EISSN: 15414337     Source Type: Journal    
DOI: 10.1111/1541-4337.12000     Document Type: Article

References (140)

1. Akhtar N, Bowen J, Asteriadou K, Zhang Z, Fryer PJ. 2010. Matching the nano- to the meso-scale: measuring deposit-surface interactions with atomic force microscopy and micromanipulation. Food Bioprod Process 88:341-8.
2. Akhtar N, Bowen J, Robbins PT, Fryer PJ, Asteriadou K, Goode KR. 2012. The effect of temperature on adhesion forces between surfaces and model foods containing whey protein and sugar. J Food Eng. submitted.
3. Allie Z, Jacobs EP, Maartens A, Swart P. 2003. Enzymatic cleaning of ultrafiltration membranes fouled by abattoir effluent. J Membr Sci 218:107-16.
4. Asteriadou K, Hasting APM, Bird MR, Melrose J. 2006. Computational fluid dynamics for the prediction of temperature profiles and hygienic design in the food industry. Food Bioprod Process 84:157-63.
5. Augustin W, Fuchs T, Föste H, Schöler M, Majschak J, Scholl S. 2010. Pulsed flow for enhanced cleaning in food processing. Food Bioprod Process 88:384-91.
6. Aziz NS. 2008. Factors that affect cleaning process efficiency. [PhD thesis]. School of Chemical Engineering, University of Birmingham.
7. Baier RE. 1980. Substrate influences on adhesion of microorganisms and their resultant new surface properties. In: Bitton G, Marshall KC, editors. Adsorption of microorganisms to surfaces. New York: John Wiley. p. 59-104.
8. Bansal B, Chen XD. 2006. A critical review of milk fouling in heat exchangers. Compr Rev Food Sci Food Safety 5:27-33.
9. Bayod E, Willers EP, Tornberg E. 2008. Rheological and structural characterization of tomato paste and its influence on the quality of ketchup. LWT Food Sci Technol 41:1289-300.
10. Beech IB, Smith JR, Steele AA, Penegar I, Campbell SA. 2002. The use of atomic force microscopy for studying interactions of bacterial biofilms with surfaces. Colloids Surf B Biointerfaces 23:231-47.
11. Bénézech T. 2001. A method for assessing the bacterial retention ability of hydrophobic membrane filters. Trends Food Sci Technol 12:36-8.
12. Bénézech T, Lelièvre C, Membré JM, Viet AF, Faille C. 2002. A new test method for in-place cleanability of food processing equipment. J Food Eng 54:7-15.
13. Bird MR. 1992. Cleaning of food process plant. [PhD thesis]. UK: University of Cambridge.
14. Bird MR, Bartlett M. 2002. Measuring and modelling flux recovery during the chemical cleaning of MF membranes for the processing of whey protein concentrate. J Food Eng 53:143-52.
15. Bird MR, Fryer PJ. 1991. An experimental study of the cleaning of surfaces fouled by whey proteins. Food Bioprod Process 69:13-21.
16. Blanpain-Avet P, Migdal JF, Bénézech T. 2009. Chemical cleaning of a tubular ceramic microfiltration membrane fouled with a whey protein concentrate suspension-characterization of hydraulic and chemical cleanliness. J Membr Sci 337:153-74.
17. Bode K, Hooper RJ, Augustin W, Paterson WR, Wilson DI, Scholl S. 2007. Pulsed flow cleaning of whey protein fouling layers. Heat Transf Eng 28:202-9.
18. Bott TR. 1990. Fouling notebook. Rugby, UK: Institution of Chemical Engineers.
19. Bott TR. 1995. Fouling of heat exchangers. New York: Elsevier.
20. Bowen WR, Lovitt RW, Wright CJ. 2001. Atomic force microscopy study of the adhesion of Saccharomyces cerevisiae. J Colloid Interface Sci 237:54-61.
21. Bremer PJ, Fillery S, McQuillan AJ. 2006. Laboratory scale clean-in-place (CIP) studies on the effectiveness of different caustic and acid wash steps on the removal of dairy biofilms. Int J Food Microbiol 106:254-62.
22. Burton H. 1967. Deposits from whole milk in heat treatment plant: a review and discussion. J Dairy Res 34:137-43.
23. Busscher HJ, Norde W, Sharma PK, van der Mei HC. 2010. Interfacial re-arrangement in initial microbial adhesion to surfaces. Curr Opin Colloid Interface Sci 15:510-7.
24. Carrión M, Asaff A, Thalasso F. 2003. Respiration rate measurement in a submerged fixed bed reactor. Water Sci Technol 47:201-4.
25. Changani SD, Belmar-Beiny MT, Fryer PJ. 1997. Engineering and chemical factors associated with fouling and cleaning in milk processing. Exp Therm Fluid Sci 14:392-406.
26. Characklis WG. 1980. Biofilm development and destruction. Final Report EPRI CS-1554, project RP902-1, Palo Alto, Calif.: Electric Power Research Institute.
27. Chen MJ, Zhang Z, Bott TR. 1998. Direct measurement of the adhesive strength of biofilms in pipes by micromanipulation. Biotechnol Tech 12:875-80.
28. Chen M-Y, Chen M-J, Lee P-F, Cheng L-H, Huang l-J, Lai C-H, Huang K-H. 2010. Towards real-time observation of conditioning film and early biofilm formation under laminar flow conditions using a quartz crystal microbalance. Biochem Eng J 53:121-30.
29. Chen XD, Li DXY, Lin SXQ, Özkan N. 2004. On-line fouling/cleaning detection by measuring electric resistance-equipment development and application to milk fouling detection and chemical cleaning monitoring. J Food Eng 61:181-9.
30. Chew JYM, Paterson WR, Wilson DI. 2004. Fluid dynamic gauging for measuring the strength of soft deposits. J Food Eng 65:175-87.
31. Christian GK. 2004. Cleaning of carbohydrate and dairy protein deposits. [PhD thesis]. U.K.: School of Chemical Engineering, University of Birmingham.
32. Christian GK, Changani SD, Fryer PJ. 2002. The effect of adding minerals on fouling from whey protein concentrate: development of a model fouling fluid for a plate heat exchanger. Food Bioprod Process 80:231-9.
33. Christian GK, Fryer PJ. 2006. The effect of pulsing cleaning chemicals on the cleaning of whey protein deposits. Food Bioprod Process 84:320-8.
34. Clauberg B, Marcinak M. 2009. Throwing light on photometry. Brewer Distiller Int 5:48-50.
35. Cluett JD. 2001. Cleanability of certain stainless steel surface finishes in the brewing process. [Mphil thesis]. South Africa: Faculty of Mechanical Engineering, Rand Afrikaans University.
36. Cole P, Asteriadou K, Robbins PT, Owen EG, Montague GA, Fryer PJ. 2010. Comparison of cleaning of toothpaste from surfaces and pilot scale pipe work. Food Bioprod Process 88:392-400.
37. Cui ZF, Muralidhara HS. 2010. Membrane technology: a practical guide to membrane technology and applications in food and bioprocessing. Chapter 10. Oxford, U.K.: Elsevier Science.
38. De Jong P, van der Linden HJLJ. 1992. Design and operation of reactors in the dairy industry. Chem Eng Sci 47:3761-8.
39. Demilly M, Bréchet Y, Bruckert F, Boulangé L. 2006. Kinetics of yeast detachment from controlled stainless steel surfaces. Colloids Surf B Biointerfaces 51:71-9.
40. Detry JG, Deroanne C, Sindic M, Jensen BBB. 2009. Laminar flow in radial flow cell with small aspect ratios: numerical and experimental study. Chem Eng Sci 64:31-42.
41. Detry JG, Rouxhet PG, Boulangé-Petermann L, Deroanne M, Sindic M. 2007. Cleanability assessment of model solid surfaces with a radial-flow cell. Colloids Surf A Physicochem Eng Aspects 302:540-8.
42. Detry JG, Sindic M, Deroanne C. 2010. Hygeine and cleanability: a focus on surfaces. Crit Rev Food Sci Nutr 50:583-604.
43. Dhadwar SS, Bemman T, Anderson WA, Chen P. 2003. Yeast cell adhesion on oligopeptide modified surfaces. Biotechnol Adv 21:395-406.
44. Dror-Ehre A, Adin A, Markovich G, Mamane H. 2010. Control of biofilm formation in water using molecularly capped silver nanoparticles. Water Res 44:2601-9.
45. EHEDG. 1992. A method for assessing the in-place cleanability of food processing equipment. Trends Food Sci Technol 3:325-8.
46. EHEDG Yearbook. 2007. Materials of construction for equipment in contact with food Trends Food Sci Technol. 18:S40-S50.
47. Elofsson C, Dejmek P, Paulsson M, Burling H. 1997. Atomic force microscopy studies on whey proteins. Int Dairy J 7:813-9.
48. Epstein N. 1983. Thinking about heat transfer fouling: a 5 × 5 matrix. Heat Transf Eng 4:43-56.
49. Everaert EPJM, van der Mei HC, Busscher HJ. 1998. Adhesion of yeasts and bacteria to fluoro- alkylsiloxane layers chemisorbed on silicone rubber. Colloids Surf B Biointerfaces 10:179-90.
50. Fickak A, Al-Raisi A, Chen WD. 2011. Effect of whey protein concentration on the fouling and cleaning of a heat transfer surface. J Food Eng 104:323-31.
51. Fisher RC, Rice FE. 1924. Sweetened condensed milk II. A comparative study of methods for determining total solids. J Dairy Sci 7:497-502.
52. Fornalik M. 2008. Detecting biofouling in food processing systems. Photonics Food 42:58-61.
53. Fryer PJ, Asteriadou K. 2009. A prototype cleaning map: a classification of industrial cleaning processes. Trends Food Sci Technol 20:225-62.
54. Fryer PJ, Christian GK, Liu W. 2006. How hygiene happens: physics and chemistry of cleaning. Int J Dairy Technol 59:76-84.
55. Gallardo-Moreno AM, González-Martina ML, Bruque JM, Pérez-Giraldo C. 2004. The adhesion strength of Candida parapsilosis to glass and silicone as a function of hydrophobicity, roughness and cell morphology. Colloids Surf A 249:99-103.
56. Garrett TR, Bhakoo M, Zhang Z. 2008. Bacterial adhesion and biofilms on surfaces. Prog Nat Sci 18:1049-56.
57. Geesey GG, Gillis RJ, Avci R, Daly D, Hamilton M, Shope P, Harkin G. 1996. The influence of surface features on bacterial colonisation and subsequent substratum chemical changes of 316L stainless steel. Corros Sci 38:73-95.
58. Gillham CR. 1997. Enhanced cleaning of surfaces fouled by whey protein. [PhD thesis]. U.K.: University of Cambridge.
59. Gillham CR, Fryer PJ, Hasting APM, Wilson DI. 1999. Cleaning-in-place of whey protein fouling deposits: mechanisms controlling cleaning. Food Bioprod Process 77:127-38.
60. Gillham CR, Fryer PJ, Hasting APM, Wilson DI. 2000. Enhanced cleaning of whey protein soils using pulsed flows. J Food Eng 46:199-209.
61. Goode KR. 2012. Characterising the cleaning behaviour of brewery foulants to minimise the cost of cleaning in place operations. [EngD thesis]. University of Birmingham.
62. Goode KR, Asteriadou K, Fryer PJ, Picksley M, Robbins PT. 2010. Characterising the cleaning mechanisms of yeast and the implications for cleaning in place (CIP). Food Bioprod Process 88:365-74.
63. Gordon PW, Brooker ADM, Chew YMJ, Wilson DI, York DW. 2010. Studies into the swelling of gelatine films using a scanning fluid dynamic gauge. Food Bioprod Process 88:357-64.
64. Grasshoff A. 1997, Cleaning of heat treatment equipment. IDF Monograph, Fouling and Cleaning in Heat Exchangers, Brussels, Belgium: International Dairy Federation.
65. Grasshoff A. 2002. Enzymatic cleaning of milk pasteurisers. Food Bioprod Process 80:247-52.
66. Güell C, Czekaj P, Davis RH. 1999. Microfiltration of protein mixtures and the effects of yeast on membrane fouling. J Membr Sci 155:113-22.
67. Guillemot G, Vaca-Medina G, Martin-Yken H, Vernhet A, Schmitz P, Mercier-Bonin H. 2006. Shear-flow induced detachment of Saccharomyces cerevisiae from stainless steel: influence of yeast and solid surface properties. Colloids Surf B 49:126-35.
68. Guo B, Song S, Chacko J, Ghalambor A. 2005. Offshore pipelines. Chapter 16: pigging operations. Oxford, UK: Elsevier.
69. Henningsson M, Regner M, Östergren K, Trägårdh T, Dejmek P. 2007. CFD simulation and ERT visualization of the displacement of yoghurt by water, on industrial scale. J Food Eng 80:166-75.
70. Hilbert LR, Bagge-Ravn D, Kold J, Gram L. 2003. Influence of surface roughness of stainless steel on microbial adhesion. Int Biodeterior Biodegrad 52:175-85.
71. Hooper RJ, Liu W, Fryer PJ, Paterson WR, Wilson DI, Zhang Z. 2006. Comparative studies of fluid dynamic gauging and a micromanipulation probe for strength measurements. Food Bioprod Process 84:353-8.
72. Hughes D, Field RW. 2006. Crossflow filtration of washed and unwashed yeast suspensions at constant shear under nominally sub-critical conditions. J Membr Sci 280:89-98.
73. Jackson AT, Low WM. 1982. Circulation cleaning of a plate heat exchanger fouled by tomato juice: III. The effect of fluid flow rate on cleaning efficiency. J Food Technol 17:745-52.
74. Janknecht P, Melo LF. 2003. Online biofilm monitoring. Rev Environ Sci Bio/Technol 2:269-83.
75. Jefferson K. 2004. What drives bacteria to form a biofilm? FEMS Microbiol Lett 236:163-73.
76. Jennings WG, Mckillop AA, Luick JR. 1957. Circulation cleaning. J Dairy Sci 40:1471-9.
77. Jensen BBB, Friis A. 2005. Predicting the cleanability of mix-proof valves by use of wall shear stress. J Food Process Eng 28:89-106.
78. Jensen BBB, Friis A. 2004. Critical wall shear stress for the EHEDG test method. Chem Eng Process 43:831-40.
79. Jensen BBB, Stenby M, Nielsen DF. 2007. Improving the cleaning effect by changing average velocity. Trends Food Sci Technol 18:S52-S63.
80. Klahre J, Flemming M, Flemming H-C. 2000. Monitoring of biofouling in papermill process waters. Water Res 34:3657-65.
81. Kim JY, Lee JH, Chang IS, Lee JH, Yi CW. 2011. High voltage impulse electric fields: disinfection kinetics and its effect on membrane bio-fouling. Desalination 283:111-6.
82. Le Gentil C, Sylla Y, Faille C. 2010. Bacterial re-contamination of surfaces of food processing lines during cleaning in place procedures. J Food Eng 96:37-42.
83. Lelieveld HLM, Mostert MS, Holah J. 2005. Handbook of hygiene control in the food industry. EHEDG, 192 - 208. Cambridge, U.K.: Woodhead.
84. Lelièvre C, Antonini G, Faille C, Bénézech T. 2002. Cleaning-in-place modelling of cleaning kinetics of pipes soiled by bacillus spores assuming a process combining removal and deposition. Food Bioprod Process 80:305-11.
85. Liu W, Aziz NA, Zhang Z, Fryer PJ. 2007. Quantification of the cleaning of egg albumin deposits using micromanipulation and direct observation techniques. J Food Eng 78:217-24.
86. Liu W, Christian GK, Zhang Z, Fryer PJ. 2002. Development and use of a micromanipulation technique for measuring the force required to disrupt and remove fouling deposits. Food Bioprod Process 80:286-91.
87. Liu W, Fryer PJ, Zhang Z, Zhao Q, Liu Y. 2006. Identification of cohesive and adhesive effects in the cleaning of food fouling deposits. Innov Food Sci Emerg Technol 7:263-9.
88. Liu M, Li X, Lin R, Nie W, Zhang N, Ling N. 2004. Fouling prevention with fluidised particles in evaporation of traditional Chinese medicine extract. China Particuol 2:81-3.
89. Lorite GS, Rodrigues CM, de Souza AA, Kranz C, Mizaikoff B, Cotta MA. 2011. The role of conditioning film formation and surface chemical changes on Xylella fastidiosa adhesion and biofilm evolution. J Colloid Interface Sci 359:289-95.
90. Mercier-Bonin M, Ouazzani K, Schmitz P, Lorthois S. 2004. Study of bioadhesion on a flat plate with a yeast/glass model system. J Colloid Interface Sci 271:342-50.
91. Mores WD, Davis RH. 2002. Yeast foulant removal by backpulses in crossflow microfiltration. Journal Membr Sci 208:389-404.
92. Morison KR, Thorpe RJ. 2002. Liquid distribution from cleaning-in-place sprayballs. Food Bioprod Process 80:270-5.
93. Mozes M, Marchal F, Hermesse MP, van Haecht JL, Reuliaux L, Leonard AJ, Rouxhet PG. 1987. Immobilization of microorganisms by adhesion: interplay of electrostatic and nonelectrostatic interactions. Biotechnol Bioeng 30:439-50.
94. Müller-Steinhagen H. 2000. Heat exchanger fouling mitigation and cleaning technologies, 1-28. Rugby, U.K.: Institution of Chemical Engineers.
95. Orgaz B, Kives J, Pedregosa AM, Monistrol IF, Laborda F, SanJosé C. 2006. Bacterial biofilm removal using fungal enzymes. Enzyme Microb Technol 40:51-6.
96. Othman AM, Asteriadou K, Robbins PT, Fryer PJ. 2010. Cleaning of sweet condensed milk deposits on a stainless steel surface. In: Wilson DI, Chew YMJ, editors. Proceedings of the Fouling & Cleaning in Food Processing Conference. Cambridge: Department of Chemical Engineering. p. 174-82.
97. Palabiyik I, Olunloyo B, Fryer PJ, Robbins PT. 2012. Flow regimes in the emptying of pipes filled with viscoelastic material. Int J Multiphase Flow. submitted.
98. Parbhu A, Hendy S, Danne M. 2006. Reducing milk protein adhesion rates. A transient surface treatment of stainless steel. Food Bioprod Process 84:274-8.
99. Pereira A, Mendes J, Melo LF. 2009. Monitoring cleaning-in-place of shampoo films using nanovibration technology. Sens Actuators B 136:376-82.
100. Pereira A, Rosmaninho R, Mendes J, Melo LF. 2006. Monitoring deposit build-up using a novel mechatronic surface sensor (MSS). Food Bioprod Process 84:366-70.
101. Pereni CI, Zhao Q, Liu Y, Abel E. 2006. Surface free energy effect on bacterial retention. Colloids Surf B Biointerfaces 48:143-7.
102. Petrus HB, Chen HLV, Norazman N. 2008. Enzymatic cleaning of ultrafiltration membranes fouled by protein mixture solutions. J Membr Sci 325:783-92.
103. Plett EA. 1985. Cleaning of fouled surfaces. In: Lund DB, Plett EA, Sandu C, editors. Fouling and cleaning in food processing. Wisconsin: University of Madison.
104. Quain D, Storgårds E. 2009. The extraordinary world of biofilms. Brewer Distiller Int 5:31-33.
105. Quarini J. 2002. Ice-pigging to reduce and remove fouling and to achieve clean-in-place. Appl Thermal Eng 22:747-53.
106. Rao MA. 1999. Rheology of fluid and semisolid foods principles and applications. U.S.A.: Aspen Publishers.
107. Reynolds TB, Fink GR. 2001. Bakers' yeast, a model for fungal biofilm formation. Science 291:878-81.
108. Robbins PT, Elliott BL, Fryer PJ, Belmar MT, Hasting APM. 1999. A comparison of milk and whey fouling in a pilot scale heat exchanger: implications for modelling and mechanistic studies. Food Bioprod Process 77:97-106.
109. Rösch P, Schmitt M, Keifer W, Popp J. 2003. The identification of microorganisms by micro-Raman spectroscopy. J Mol Struct 661-662:363-9.
110. Rosmaninho R, Santos O, Nylander T, Paulsson M, Beuf M, Benezech T, Yiantsios S, Andritsos N, Karabelas A, Rizzo G, Müller-Steinhage H, Melo LF. 2007. Modified stainless steel surfaces targeted to reduce fouling - evaluation of fouling by milk components. J Food Eng 80:1176-87.
111. Saikhwan P, Mercade-Prieto R, Chew YMJ, Gunasekaran S, Paterson WR, Wilson DI. 2010. Swelling and dissolution in cleaning of whey protein gels. Food Bioprod Process 88:375-83.
112. Salo S, Friis A, Wirtanen G. 2008. Cleaning validation of fermentation tanks. Food Bioprod Process 86:204-10.
113. Santos O, Nylander T, Rosmaninho R, Rizzo G, Yiantsios S, Andritsos N, Karabelas A, Müller-Steinhagen H, Melo L, Boulangé-Petermann L, Gabet C, Braem A, Trägårdh C, Paulsson M. 2004. Modified stainless steel surfaces targeted to reduce fouling-surface characterization. J Food Eng 64:63-79.
114. Schlüsser, HJ. 1976. Zur Kinetik von Reinigungsvorgängen an festen Oberächen. Brauwissenschaft 29:263-8.
115. Scottish & Newcastle Breweries. 2008. CIP Philosophy, Scottish & Newcastle Achiever Database.
116. Sharma A, Garg D, Gupta JP. 1982. Solidification fouling of paraffin wax from hydrocarbons. Lett Heat Mass Transf 9:209-19.
117. Shorrock CJ, Bird MR. 1998. Membrane cleaning: chemically enhanced removal of deposits formed during cell harvesting. Food Bioprod Process 76:30-8.
118. Simões M, Pereira MO, Vieira MJ. 2005. Effect of mechanical stress on biofilms challenged by different chemicals. Water Res 39:5142-52.
119. Stewart JC, Seiberling DA. 1996. Cleaning in place. Chem Eng 103:72-79.
120. Tamine AV. 2008. Cleaning-in-place: dairy, food and beverage operations. Society of Dairy Technology Series. London: Wiley-Blackwell.
121. Tamachkiarow A, Flemming HC. 2003. On-line monitoring of biofilm formation in a brewery water pipeline system with a fibre optical device. Water Sci Technol 47:19-24.
122. Timperley AW, Boution F, Bénézech T, Carpentier B, Curiel GJ, Haugan K, Hofman J. 2000. A method for the assessment of in-place cleanability of food processing equipment. EHEDG. 2nd ed. Chipping, Campden, England: CCFRA Technology Ltd. p. 1-14.
123. Timperley DA, Smeulders CNM. 1988. Cleaning of dairy HTST plate heat exchangers: optimisation of the single-stage procedure. J Soc Dairy Technol 41:1-7.
124. Tse KL, Pritchard AM, Fryer PJ. 2003. The rate and extent of fouling in a single-tube wort boiling system. Food Bioprod Process 81:13-22.
125. Tuladhar TR. 2001. Development of a novel sensor for cleaning studies. [PhD thesis]. U.K.: University of Cambridge.
126. Tuladhar TR, Paterson WR, Wilson DI. 2002. Investigation of alkaline cleaning-in-place of whey protein deposits using dynamic gauging. Food Bioprod Process 80:199-214.
127. Yoo JI, Chen XD, Mercadé-Prieto R, Wilson DI. 2007. Dissolving heat-induced protein gel cubes in alkaline solutions under natural and forced convection conditions. J Food Eng 79:1315-21.
128. Van Asselt AJ, Van Houwelingen G, Te Giffel MC. 2002. Monitoring system for improving cleaning efficiency of cleaning-in-place processes in dairy environments. Food Bioprod Process 80:276-80.
129. Vinogradov AV, Winston M, Rupp CJ, Stoodley P. 2004. Rheology of biofilms formed from the dental plaque pathogen S. Mutans. Biofilms 1:49-56.
130. Whitehead KA, Rogers D, Colligon J, Wright C, Verran J. 2006. Use of the atomic force microscope to determine the effect of substratum surface topography on the ease of bacterial removal. Colloids Surf B Biointerfaces 51:44-53.
131. Whitehead KA, Verran J. 2006. The effect of surface topography on the retention of microorganisms. Food Bioprod Process 84:253-9.
132. Wilson DI, Le BL, Dao HAD, Lai KY, Morison KR, Davidson JF. 2012. Surface flow and drainage films created by horizontal impinging liquid jets. Chem Eng Sci 68:449-60.
133. Winquist F, Bjorklund R, Krantz-Rülcker C, Lundströma C, Östergren K, Skoglund T. 2005. An electronic tongue in the dairy industry. Sens Actuators B 111-112:299-304.
134. Xiaokai X, Chongfang M, Yongchang C. 2005. Investigation of the electromagnetic antifouling technology for scale prevention. Chem Eng Technol 28:1540-5.
135. Yang A, Martin EB, Montague GA, Fryer PJ. 2008. Towards improved cleaning of FMCG plants: a model-based approach. Comput Aided Chem Eng 25:1161-6.
136. Zhao Q, Liu Y. 2006. Modification of stainless steel surfaces by electroless Ni-P and small amount of PTFE to minimize bacterial adhesion. J Food Eng 72:266-72.
137. Zhao Q, Liu Y, Wang C. 2005a. Development and evaluation of electroless Ag-PTFE composite coatings with anti-microbial and anti-corrosion properties. Appl Surf Sci 252:1620-7.
138. Zhao Q, Liu Y, Wang C, Wang S, Müller-Steinhagen H. 2005b. Effect of surface free energy on the adhesion of biofouling and crystalline fouling. Chem Eng Sci 60:4858-65.
139. Zhao Q, Wang C, Liu Y, Wang S. 2007. Bacterial adhesion on the metal-polymer composite coatings. Int J Adhes Adhes 27:85-91.
140. Zhao Q, Wang S, Müller-Steinhagen H. 2004. Tailored surface free energy of membrane diffusers to minimize microbial adhesion. Appl Surf Sci 230:371-8.