12.- 食品科技

食品技术学是一门以食品科学为基础,汲取营养学、化学分析、物理学、生物化学和工程学等多学科知识的学科。此外,食品技术专业旨在了解食品的本质及其变质的相关现象,开发食品加工的工艺,提高食品的属性,以满足消费者的需求。食品工业包括转化或加工、保鲜和制造部门。

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食品行业涉及面很广,影响到其他行业,如包装制造、运输等,需要对水进行净化处理。

水处理技术能够获得我们生活所需的饮用水。来自不同来源(水井、河流、海洋、工业废水)的水要经过多个阶段,尽管所有的处理方法通常都在三个基本阶段:水的接收、反应和调节过程以及供应。

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食品科技 SUBCATEGORIES

12.1.- 食品科技

食物是由营养物质组成的化学物质,提供新陈代谢过程所需的能量。食物的其他重要成分是膳食纤维、天然添加剂(抗生素、维生素和抗氧化剂)、兴奋剂(咖啡因)、防腐剂(醋、盐水、糖)等。几个世纪以来,面包、啤酒和葡萄酒都是通过盐渍来制作的,或者是通过盐渍来烘干鱼。然而,如今的生活习惯使得消费者对食品的要求更加丰富、创新、易食用。另一方面,食品制造业讲求效率卫生,降低成本,讲求质量和食品安全,讲求营养健康的食品上市。为了满足需求,食品要经过加工处理,以改变其形状、成分或能量含量,如:揉面、罐头、辐照、干燥、添加添加剂如食用涂料等。同样,食品的保存方法有:使用天然物质(抗菌剂、抗氧化剂)、加热(焯水、烹...

12.2.- 乳制品处理

乳制品,即从牛奶中提取的乳制品,包含了一个广泛的食品群体。如今,大多数功能性食品都是由乳制品制成。牛奶是一种主食,通常是由牛或绵羊、山羊等其他动物挤奶所得。然而,食用从燕麦、杏仁或大豆中获得的被认为是牛奶的趋势越来越明显。牛奶是由水、碳水化合物、蛋白质、脂肪、矿物质和维生素组成,牛奶中的主要蛋白质是酪蛋白,乳糖是奶糖。牛奶中含有的营养成分是悬浮液、溶液或乳剂。乳品工业一般应用一系列技术生产产品:热化、过滤、均质、发酵、巴氏杀菌和凝固。巴氏杀菌是在特定的温度下对牛奶进行一定时间的热处理。它能消灭病原体,提高质量。另一个过程是凝结,通过絮凝、脱脂和凝聚等物理化学过程实现,应用于奶酪的生产。众...

12.3.- 饮用水处理

饮水,即适合人类饮用的水,是任何文明的根本。此外,由于人口增长和工业发展,饮用水的需求量也在增加。饮用水是经过一系列物理、化学和生物处理后获得的。这种对饮用水的需求催生了饮用水处理厂或站(DWTP)。污水处理厂的主要阶段或过程是:系统进水的接收和均化。粗过滤,消除可能对安装造成损害的粗颗粒。加入氧化剂和凝固剂的反应过程。此阶段可消除气味、味道、病原体和无机物(矿物质)或有机物(酸、亚硝酸盐等)。根据污染物的不同,采用曝气、高锰酸钾、氯气或其他技术。 滗水,消除水中仍含有的较小固体。通常使用絮凝剂。过滤,倾倒后结束澄清过程。...
食品科技 UNITS
Showing 49-58 of 58 item(s)
ION EXCHANGE UNIT - EII
  • EII
Available
11.1.9.- 离子交换与腐蚀
EII
离子交换装置
The Ion Exchange Unit, "EII", is a self-contained unit composed by a panel, where two transparent columns are situated in order to put anionic and cationic resins, and also a spare column and a pump, which supplies the efficient from the tanks...
COMPUTER CONTROLLED WATER QUALITY CONTROL UNIT - PCCAC
  • PCCAC
Available
13.3.- 废水处理
PCCAC
计算机控制水质控制设备
Water is impelled by a pump from a supply tank towards a first transparent tank equipped with a stirrer and a conductivity sensor. Conductivity is regulated in this tank by the addition of diluted caustic soda impelled by a computer controlled...
SEDIMENTATION, PRECIPITATION AND FLOCCULATION UNIT - SPFB
  • SPFB
Available
13.3.- 废水处理
SPFB
Sedimentation, Precipitation and Flocculation Unit
The Sedimentation, Precipitation and Flocculation Unit, "SPFB", has been designed by EDIBON to study the parameters that affect the physicochemical treatment of wastewater for purification. The objective of the unit is to reduce colloidal and...
COMPUTER CONTROLLED ADSORPTION UNIT - PEAC
  • PEAC
Available
11.1.8.- 吸收与吸附
PEAC
计算机控制吸附设备
The Computer Controlled Adsorption Unit, "PEAC", demonstrates the removal of substances dissolved by adsorption. A computer controlled pump impels raw water (treated) from a supply tank to two adsorbers filled with activated carbon. A flow sensor...
COMPUTER CONTROLLED DISSOLVED AIR FLOTATION UNIT - PFADC
  • PFADC
Available
13.3.- 废水处理
PFADC
计算机控制溶气浮选设备
The Computer Controlled Dissolved Air Flotation Unit, "PFADC", has been designed to study the flotation treatment process. For that purpose, raw water with different chemical products will be treated. Flotation is achieved when a fluid with...
COMPUTER CONTROLLED BIOFILM PROCESS UNIT - PPBC
  • PPBC
Available
13.3.- 废水处理
PPBC
计算机控制生物膜法设备
The Computer Controlled Biofilm Process Unit, "PPBC", has been designed to study the operation of a trickling filter, which removes microorganisms and filters contaminated water. The unit simulates the treatment given to water in a wastewater...
COMPUTER CONTROLLED WATER TREATMENT PLANT 1 - PPTAC/1
  • PPTAC/1
Available
13.3.- 废水处理
PPTAC/1
计算机控制水处理厂1
The Computer Controlled Water Treatment Plant 1, "PPTAC/1", designed by EDIBON, allows to study the main principle of the critical operations in the water treatment.These operations are: depth filtration, adsorption and ion exchange.The general...
COMPUTER CONTROLLED WATER TREATMENT PLANT 2 - PPTAC/2
  • PPTAC/2
Available
13.3.- 废水处理
PPTAC/2
计算机控制水处理厂2
The Computer Controlled Water Treatment Plant 2, "PPTAC/2", allows to study the main principle of the basic operations in the water treatment.These operations are: depth filtration and ion exchange.The general objective of the exercises is to...
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