可再生能源技术与水处理工艺之间的互连
Paula Jungwon Choi1, Jechan Lee1, Am Jang1
1Department of Global Smart City, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do, 16419, Republic of Korea.
Water research
|July 14, 2024
概括
在水处理中整合可再生能源可缓解气候变化. 诸如反透和膜蒸等技术显示了更低的能源消耗,提高了可持续的水资源管理.
科学领域:
- 环境科学 环境科学
- 能源工程 能源工程
- 水处理技术水处理技术
背景情况:
- 对温室气体排放和能源需求的日益关注推动了政策转向使用可再生能源.
- 可再生能源技术越来越多地被探索用于水淡化和水处理过程中的直接应用.
- 与可再生能源驱动的替代方案相比,传统的海水淡化方法往往具有更高的生产能力,但也具有更高的特定能源消耗.
研究的目的:
- 提供基于可再生能源的水能连接方法的全面概述.
- 讨论将可再生能源整合到水处理和海水淡化中的有效性和潜力.
- 确定未来的研究方向,以提高水处理过程中的可再生能源效率.
主要方法:
- 对可再生能源在基于膜的 (反透,膜蒸) 和基于热的 (多阶段闪光蒸,多效果蒸) 淡化中直接应用的审查.
- 从藻类生产生物燃料的分析,与废水生物修复和营养除去有关.
- 从淡化盐水和淡水中检查盐度梯度发电 (压延缓透,逆电透析).
主要成果:
- 基于可再生能源的海水淡化工艺,虽然可能具有较低的初始容量,但比传统方法更低的特定能耗.
- 用于生物燃料生产的藻类种植提供了废水处理的副效益,包括和的去除.
- 盐度梯度电力提供了一个额外的途径,用于从海水淡化副产品中回收能量.
结论:
- 基于可再生能源的水能纽带对减缓气候变化和可持续水资源管理具有重大潜力.
- 进一步的研究对于优化可再生能源生产和将其整合到各种水处理过程中至关重要.
- 这些发现为科学家和政策制定者提供了见解,旨在提高可持续水能解决方案的效率和实施.
更多相关视频
08:49Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
Published on: May 15, 2017
10.6K
08:09Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity
Published on: August 19, 2018
9.2K
相关概念视频
01:14Conservation of Energy in Control Volume
829
Consider a turbine operating under steady-flow conditions. The control volume is drawn around the turbine, with fluid entering at one point and exiting at another. The turbine extracts energy from the fluid, which performs mechanical work (shaft work).
For steady flow systems, the time derivative of the stored energy becomes zero since there is no energy accumulation within the control volume. This simplifies the energy equation to:
For steady flow systems, the time derivative of the stored energy becomes zero since there is no energy accumulation within the control volume. This simplifies the energy equation to:
829
00:46Bioremediation
18.2K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
18.2K
01:24Weir
38
A weir is a hydraulic structure designed to partially obstruct an open channel, enabling precise control and measurement of water flow. By forcing water to flow over or through it, a weir allows for accurate determination of discharge rates, making it an essential tool in water resource management. These structures are extensively used in regulating river flows, irrigation systems, and flood control channels.Types of Weirs and Their FeaturesWeirs are categorized primarily into sharp-crested and...
38
01:00The Water Cycle
24.4K
The Earth’s hydrosphere includes all of the areas where the storage and movement of water occurs. Since water is the basis of all living processes, the cycling of water is extremely important to ecosystem dynamics.
24.4K
01:27Laminar Flow
1.0K
Laminar flow represents a smooth, orderly fluid motion where particles move along parallel paths, resulting in minimal mixing between layers. Streamlined particle paths characterize this flow regime and occur under conditions where viscous forces dominate over inertial forces. The distinction between laminar, transitional, and turbulent flow is primarily determined by the Reynolds number, a dimensionless quantity calculated as:
1.0K
01:04Application of the Energy Equation
975
The application of the energy equation to centrifugal pumps is a fundamental principle in fluid dynamics and engineering. In this scenario, the energy equation is used to calculate the flow rate of a centrifugal pump responsible for transferring water between two reservoirs at different elevations. The pump applies an energy input of 7500 joules per second, and the vertical difference between the lower and upper reservoirs is 10 meters. Additionally, the head loss due to friction and other...
975