Agroindustrial project analysi

Table A-2 (continued)Mode and scaleFreezer of operation 1977 capital cost' 1977 operating cost CommentLiquid- scallops, onion rings with high organoleptic quality; indiimmersionvidually frozen pieces have high con-(freon)sumer utility; large-scale operation is(continued)required to offset high capital costSpray Continuous operation $106,000 for 60 Very high operating Relatively low capital cost withoutfor small- to large- tons daily (if costs in system without freezant recovery system makes thesescale production of liquid nitrogen freezant recovery freezers best suited to small- toindividually frozen or carbon dioxide (liquid nitrogen or car- medium-scale, seasonal production offoods such as fish, is used); $532,000 bon dioxide is very ex- high-quality products (probably prodpoultry,meat patties; for 60 tons daily pensive); $0.0506 per ucts with best quality among all freezversatile-adaptableto (if liquid or solid pound raw material ing methods) with high market value;various production carbon dioxide is (if liquid nitrogen is because of the high capital cost of therates and product sizes; used with recov- used); $0.038 per pound recovery system, spray freezers withsmall space require- ery system) (if carbon dioxide is freezant recovery systems are ecomentused); $0.0152 per nomically feasible only if large-scalepound (if carbon di- production can be assured throughoutoxide is used with the year; individually frozen piecesrecovery system) have high consumer utility