DESIGN OF A PLANT TO PRODUCE 60,000 METRIC TONNES OF VINEGAR FROM PALM WINE PER YEAR
1.1 Design Philosophy
This design philosophy adopted the best environmental management practices (BEMPs) which emphasizes the source control of all wastes generated at a facility through relatively inexpensive adjustments to process and/or operating procedures in order safe cost and also ensure that the vinegar plant is safe and profitable.
In this philosophy, the control, electrical, mechanical, and piping engineers on a project would start their work once the P&IDs are complete and the vinegar plant is found to be economically viable.
1.2 Background and Motivation of Study
Vinegar is a liquid produced from the fermentation of ethanol that yields a key ingredient, acetic acid from acetic acid bacteria. Pooja and Soumitra (2013) defined vinegar as a liquid fit for human consumption, produced from suitable raw materials of agricultural origin containing starch, sugars, or starch and sugars by the process of double fermentation, alcoholic and acetous, containing a specified amount of acetic acid. Vinegar fermentation is essentially a two stage process. The first stage involves the anaerobic conversion of fermentable sugars to ethanol by yeasts, usually Saccharomyces species while the second stage is the aerobic oxidation of ethanol to acetic acid by bacteria, usually Acetobacter species. It must contain not less than 4% acetic acid (Maal et al., 2010). The acetic acid concentration ranges typically from 4-8% by volume for table vinegar (typically 5%) and higher concentrations for pickling (up to 18%) (Kanchanarach et al.,2010). The application of vinegar is quite vast. It could be used in dressing salads, manufacture of useful medicines, preservation of food, provision of antioxidants or as an antibacterial agent (Johnston et al., 2004; Shizuma et al., 2011; Soltan and Shehata, 2012). Vinegar has historically been recognized as having a number of health benefits due to therapeutic compounds including: gallic acid, catechin, ephicatechin, chlorogenic acid, caffeic acid, pcoumaric acid. It has physiological effects such as invigorating (Johnston, 2005; Johnston et al., 2004), regulator of blood pressure (Kondo and Tayama, 2001), diabetes mellitus regulator (Ostman et al., 2005), appetite stimulator, digestion and absorption of calcium (Ndoye et al., 2007). It is also known to be effective in cancers (Xibib et al., 2003), osteoporosis (Kishi and Fukaya, 1999) and neurological diseases (Davalos et al., 2005). Traditionally, vinegar is widely produced from rice, malt, apples, wine, molasses, dates, sorghum, apples, pears, grape, berries, melons, coconut, honey, beer, maple syrup, potatoes, beets, malt grains and whey and various other agricultural materials. However, alternative processes have been extensively explored because of the high production cost associated with the utilization of various sugary and starchy raw materials, ultimately used as food. Therefore, vinegar production from agricultural wastes could be a possible alternative because it has the potential to realize cheaper production of vinegar with low environmental impact by the effective utilization of renewable resources such as agricultural wastes. Vinegar has been produced from pineapple peel (Sossou et al., 2009; Raji et al., 2012; Roda et al., 2014; Umaru et al., 2015), sweet lime peel (Priyadarshini et al., 2014); papaya peel (Vikas and Umesh, 2014), decomposed fruits (Diba et al., 2015) and other fruit waste (Kulkarni, 2015).
1.3 Justification of the Design
Vinegar has been produced by several different methods. In all known methods, the most common have been obtained from oxidation of ethanol. However, the starting material which gives the alcohol to be oxidized makes the difference in various designs.
1.4 Problem Statement
Vinegar has been used as a medicine, corrosive agent, pickling agent and can be directly consumed in diluted form as a beverage. In the food industry, vinegar is used mainly as an acidulant, but it has also many other food processing applications. It is found in hundreds of different processed foods, including salad dressings, mayonnaise, mustard, ketchup, bread and bakery products, canned foods, marinades and the current falling wine consumption have favoured an increase in vinegar production (De Oryet et al., 2002).
Traditionally, vinegar is widely produced from rice, malt, apples, wine, molasses, dates, sorghum, apples, pears, grape, berries, melons, coconut, honey, beer, maple syrup, potatoes, beets, malt grains and whey and various other agricultural materials. However, alternative processes have been extensively explored because of the high production cost associated with the utilization of various sugary and starchy raw materials, ultimately used as food. Therefore, this design project seeks to utilized palm wine for the production of vinegar.
Despite the vast application of vinegar, there is no available data for industrial production of vinegar in Nigeria. Traditional method is what is being utilized to produce vinegar just for personal consumption. It’s sad to know that most of the vinegar consumed within the shores of Nigeria was imported despite her huge agricultural prowess.
With the Nigerian economy currently grappled with recession and the prospect in industrial production of vinegar; since there is a market for it already come the motivation for this design project. The thesis aims the designing a plant to produce 60,000 ton of vinegar per year, bearing in mind that the plant must be cost effective and hazard free and the vinegar product must meet the quality specification.
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- Price: ₦3000
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