Sodium Petroleum Sulfonate Collector for Low-Temperature Fluorite Flotation
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Solution Overview
Problem
Existing fluorite ore collectors exhibit low temperature resistance, leading to inefficient fluorite recovery rates and increased energy consumption in flotation processes.
Innovation Solution
A sodium petroleum sulfonate collector is developed, comprising specific molecular weight, active substance content, and aromatic hydrocarbon ratios, combined with non-polar oils like kerosene, to enhance flotation efficiency at normal and lower temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional collectors (oleic acid series) are used for fluorite flotation, then the flotation process can operate at normal temperatures, but the recovery rate decreases significantly at low temperatures
Solution Approach 1:
The patent modifies the chemical structure parameters of the collector by introducing aromatic hydrocarbon groups (benzene and naphthalene rings) with specific molecular weights (350-450) and controlled sulfonation degrees (35%-60% active substance content). These parameter changes enhance the collector's low-temperature performance while maintaining high recovery rates across different temperature conditions.
Solution Approach 2:
The patent creates a composite collector system by combining sodium petroleum sulfonate with specific aromatic hydrocarbon components. This composite structure integrates the hydrophobic aromatic rings with the hydrophilic sulfonate groups, enabling effective flotation performance at both low and normal temperatures through the synergistic interaction of different molecular components.
2Productivity
If heating and flotation of pulp are implemented to improve recovery rate, then the collector effectiveness increases, but energy consumption increases and production management becomes inconvenient
Solution Approach 1:
The improved collector exhibits self-adaptability to temperature conditions, automatically maintaining effective flotation performance without requiring external heating. The molecular structure inherently provides both low-temperature resistance and adequate solubility, allowing the system to function effectively across a wide temperature range without additional energy input for heating.
Solution Approach 2:
By optimizing the molecular weight (350-450) and active substance content (35%-60%), the collector achieves optimal solubility and effectiveness parameters that eliminate the need for heating. The modified chemical parameters enable the collector to maintain adequate mobility and adsorption capability at room temperature and below, replacing the heated flotation process.
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 sodium petroleum sulfonate collector achieves high fluorite recovery rates and concentrate grades even at low temperatures, reducing energy consumption and improving production management.
Implementation Method 1
the active substance in the sodium petroleum sulfonate collector has a good synergistic flotation effect with non-polar oil, and has a strong chemical interaction with fluorite
Implementation Method 2
obtaining the sodium petroleum sulfonate collector by shaking in an ultrasonic oscillator for more than 9 minutes
Data Source
AI summary
Disclosed is a sodium petroleum sulfonate collector for fluorite flotation, comprising sodium petroleum sulfonate and non-polar oil, wherein the molar ratio of the non-polar oil to the sodium petroleum sulfonate is 3.33-5.67, the sodium petroleum sulfonate comprises raw material oil and active substance, the molecular weight of the raw material oil is 350-450, the molecular weight of the sodium petroleum sulfonate is 500-750, the aromatic hydrocarbon comprises benzene ring hydrocarbon and naphthalene ring hydrocarbon, the content of the benzene ring hydrocarbon is 5% to 11%, and the content of the naphthalene ring hydrocarbon is 5% to 5.2%, the raw material oil needs to be sulfonated by sulfur trioxide, and the molar ratio of the aromatic hydrocarbon to the sulfur trioxide in the raw material oil is 2.4 to 5. The sodium petroleum sulfonate collector proposed by this disclosure is both efficient and low temperature resistant.