Water Softener Closed-Pressure Aeration H2S Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional water treatment systems are inefficient and costly for removing hydrogen sulfide (H2S) and ferrous iron from water, often requiring large equipment and frequent maintenance, and do not effectively address water hardness issues in residential settings.
Innovation Solution
A compact water conditioning system that uses a cation exchange media with a programmable control valve and air aspiration to aerate and pressurize water, allowing for efficient removal of dissolved hydrogen sulfide and ferrous iron through aerated, pressurized water flow and oxidation, while also softening water by exchanging calcium and magnesium ions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional water treatment systems are used to remove H2S and ferrous iron, then water quality improvement is achieved, but equipment size and maintenance costs increase
Solution Approach 1:
The patent combines the aeration function and water softening function into a single integrated system. The aeration tank serves dual purposes: removing H2S through air contact and providing the medium for ion exchange resin to soften water. This eliminates the need for separate aeration equipment and softener tanks, directly resolving the contradiction between effective contaminant removal and compact equipment size.
Solution Approach 2:
The ion exchange resin performs multiple functions simultaneously: it softens water by exchanging calcium and magnesium ions, and it facilitates H2S removal through the aeration process. The single tank system is universally designed to handle both contaminant removal and water softening, reducing overall equipment volume while maintaining treatment effectiveness.
2Ease of operation
If conventional water softeners are used, then water softening is achieved, but service time is reduced due to frequent regeneration
Solution Approach 1:
The aerated water continuously flows through the ion exchange resin, providing constant regeneration of the resin beads. This continuous exposure to aerated water maintains the resin's softening capacity without requiring periodic shutdowns for manual regeneration, thereby extending service time and improving operational continuity.
Solution Approach 2:
The system uses its own operational water flow to automatically regenerate the ion exchange resin through continuous aeration. The aerated water passing through the resin performs the regeneration function without external intervention, making the system self-maintaining and eliminating the need for frequent manual regeneration cycles.
3Reliability
If oxidation methods are used to treat H2S, then H2S removal is achieved, but additional filtration equipment is required
Solution Approach 1:
The oxidation process and filtration function are merged into the single aeration tank. The ion exchange resin serves as both the softening medium and the filtration medium, capturing oxidized H2S particles and ferrous iron precipitates within the same vessel that performs water softening, thereby eliminating the need for separate filtration equipment.
Solution Approach 2:
The ion exchange resin performs universally multiple functions: water softening, H2S removal through oxidation, and filtration of precipitated particles. This multi-functional approach simplifies the overall system design by consolidating what would traditionally require separate oxidation reactors, filters, and softeners into a single integrated unit.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively removes H2S and ferrous iron, improving water quality and reducing maintenance and operational costs, with a more compact design suitable for residential use and efficient resin rejuvenation.
Implementation Method 1
a means configured to connect with the conduit and introduce air into the pressurized water that flows through this means so as to yield pressurized, aerated water
Implementation Method 2
Most methods for treating H2S-contaminated water rely on oxidizing H2S so as to make a solid precipitate that can be filtered from the water
Implementation Method 3
The water softening tank is filled with an ion exchange resin of a particular polymer compound with sodium ions that are reduced by continuous contact with raw hard water
Implementation Method 4
aerated, pressurized water flow and oxidation, while also softening water
Data Source
AI summary
A water conditioning system that both softens and improves the smell of water by removing dissolved ferrous iron and hydrogen sulfide from the water includes: a water softening tank, a cation exchange media situated in the water softening tank, a brine tank, a programmable control valve which regulates flow through the system and the periodic rejuvenation of the cation exchange media using flow from the brine tank, a valve that assists in providing a flow of aerated, pressurized water to the system, and an adapter with a bottom portion and a flow control valve that control the volume of the gaseous pocket that is created in the top portion of the water softening tank.