Iron-Titanium Purifying Material for Fish Rearing Water
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Solution Overview
Problem
Conventional purifying agents fail to completely remove phosphorus, ammonia, nitrous acid, and nitric acid from fish rearing water, leading to unavoidable algae blooms, which are not effectively prevented even with the addition of germicides, posing a challenge for safe fish cultivation.
Innovation Solution
A water purifying material composed of 30-40% total iron, 1-5% titanium, 0.1-1% magnesium, and 0.1-0.8% silica, manufactured by neutralizing a solution containing bivalent iron, sulfuric acid radicals, chlorine ions, titanium ions, and silica with caustic soda under specific conditions, utilizing waste liquids from the polyferric sulfate and steel industry pickling processes, effectively removing contaminants and preventing algae blooms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional adsorbents are used to remove contaminants from fish rearing water, then some phosphorus and ammonia can be removed, but phosphorus, ammonia, nitrous acid, and nitric acid cannot be completely removed, leading to algae blooms
Solution Approach 1:
The patent uses a composite purifying material containing iron hydroxide, titanium oxide, magnesium hydroxide, and silica in specific proportions. This composite structure provides superior adsorption capacity for phosphorus, ammonia, nitrous acid, and nitric acid compared to conventional single-component adsorbents, while the specific composition prevents algae blooms by completely removing nutrients that would otherwise promote algal growth.
Solution Approach 2:
The patent optimizes the compositional parameters of the purifying material, specifying precise ranges for iron (30-40%), titanium (1-5%), magnesium (0.1-1%), and silica (0.1-0.8%). These parameter optimizations enable the material to achieve complete removal of contaminants including phosphorus, ammonia, nitrous acid, and nitric acid, thereby preventing algae blooms while maintaining high removal efficiency.
2Object-generated harmful factors
If germicides are added to prevent algae blooms, then algae growth can be inhibited, but the safety of bred fish is compromised
Solution Approach 1:
The patent converts the harmful effect of nutrient contamination into a beneficial outcome by using the purifying material to completely remove phosphorus, ammonia, nitrous acid, and nitric acid from the water. This eliminates the nutritional basis for algae blooms without requiring germicides, thereby protecting fish safety while preventing algal growth.
Solution Approach 2:
The purifying material is designed as a disposable filter medium that can be replaced when saturated. This approach avoids the need for continuous addition of germicides, providing a safe and economical solution that protects fish while preventing algae blooms through complete nutrient removal.
3Reliability
If existing purifying agents are used to remove phosphorus components, then phosphorus removal ratio improves, but algae still grow due to remaining nutrients
Solution Approach 1:
The patent employs a composite purifying material with multiple components (iron hydroxide, titanium oxide, magnesium hydroxide, silica) in optimized proportions. This composite structure achieves complete removal of phosphorus, ammonia, nitrous acid, and nitric acid, eliminating the nutritional basis for algae growth while maintaining high phosphorus removal ratio.
Solution Approach 2:
The patent optimizes the compositional parameters to achieve complete nutrient removal. The specific ranges for iron (30-40%), titanium (1-5%), magnesium (0.1-1%), and silica (0.1-0.8%) enable the material to remove all phosphorus, ammonia, nitrous acid, and nitric acid, preventing algae growth while maintaining superior phosphorus removal efficiency.
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 purifying material efficiently removes phosphorus, ammonia, and nitric acid, significantly reducing the risk of blue-green algae blooms in fish rearing water, while utilizing waste materials to reduce manufacturing costs and environmental impact.
Implementation Method 1
a purifying agent that adsorbs and removes phosphorus components in water
Implementation Method 2
neutralizing a solution containing bivalent iron ions, sulfuric acid radicals, chlorine ions, titanium ions, and silica with caustic soda
Data Source
AI summary
Provided is a purifying material capable of highly efficiently removing contaminant components from wastewater. A water purifying material having a composition of 30 to 40% total iron, 1 to 5% titanium, 0.1 to 1% magnesium, and 0.1 to 0.8% silica (silicon), and a method for manufacturing the water purifying material including: adding caustic soda to a solution containing 200 to 100 mg/L of bivalent iron, 20 to 100 mg/L of titanium ions, 5 to 50 mg/L of magnesium, and 3 to 30 mg/L of silica under conditions of 30 to 50° C. and pH 6.8 to 7.2 to carry out neutralization and reaction; separating and collecting an obtained solid at 100° C. or less; and drying the collected solid.