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experiment-report-3.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Experiment Report 3 | AquaNova</title>
<link rel="stylesheet" href="styles/main.css">
<style>
.report-page {
padding-top: 120px;
}
.report-content {
max-width: 1000px;
margin: 0 auto;
padding: 0 20px;
}
.chart-container {
width: 80%;
max-width: 800px;
margin: 2rem auto;
background: rgba(255, 255, 255, 0.05);
border-radius: 15px;
padding: 1.5rem;
}
canvas#removalRateChart {
max-height: 400px;
}
/* 更新表格样式 */
.data-table-container {
margin: 2rem 0;
overflow-x: auto;
background: rgba(255, 255, 255, 0.05);
border-radius: 10px;
padding: 1.5rem;
}
.data-table {
width: 100%;
border-collapse: separate;
border-spacing: 0;
margin: 1rem 0;
}
.data-table th,
.data-table td {
padding: 12px 15px;
text-align: center;
border: 1px solid rgba(52, 152, 219, 0.5);
color: rgba(255, 255, 255, 0.9);
}
.data-table th {
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font-weight: bold;
border-bottom: 2px solid rgba(52, 152, 219, 0.8);
white-space: nowrap;
}
.data-table td {
background: rgba(255, 255, 255, 0.02);
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.data-table tr:hover td {
background: rgba(52, 152, 219, 0.1);
}
.data-table-container h3 {
color: rgba(173, 216, 230, 0.95);
margin-bottom: 1.5rem;
font-size: 1.2rem;
text-align: center;
}
</style>
</head>
<body>
<nav class="main-nav">
<div class="logo">AQUANOVA</div>
<ul class="nav-links">
<li><a href="index.html#home">Home</a></li>
<li><a href="index.html#about">About Us</a></li>
<li><a href="index.html#innovation">Our Innovation</a></li>
<li><a href="index.html#contact">Contact</a></li>
</ul>
</nav>
<div class="report-page">
<div class="report-content">
<div class="report-header" style="text-align: center;">
<!-- 标题 -->
<h2 style="font-family: Arial, sans-serif;
font-size: 4em;
font-weight: 900;
color: rgba(173, 216, 230, 0.95);
letter-spacing: 10px;
text-transform: capitalize;
margin: 0 0 10px 0;
text-shadow: 0 0 10px rgba(173, 216, 230, 0.8),
0 0 20px rgba(135, 206, 235, 0.5),
0 0 30px rgba(100, 149, 237, 0.3),
0 0 40px rgba(0, 191, 255, 0.3),
0 0 70px rgba(30, 144, 255, 0.2);
animation: titleGlow 2s ease-in-out infinite;">Experiment Report 3</h2>
<!-- 添加副标题 -->
<h3 style="font-family: Arial, sans-serif;
font-size: 1.5em;
color: rgba(173, 216, 230, 0.85);
margin: 0 0 20px 0;
letter-spacing: 3px;">
Chromium Ion (Cr3+) Removal Using CuO-SA Composite
</h3>
<!-- 切换按钮组 -->
<div class="switch-buttons" style="display: flex; gap: 10px; justify-content: center; margin-bottom: 0px;">
<a href="experiment-report.html" class="switch-button" style="
display: inline-block;
padding: 8px 15px;
background: rgba(52, 152, 219, 0.2);
border: 1px solid #3498db;
border-radius: 5px;
color: #fff;
text-decoration: none;
font-size: 0.9rem;
transition: all 0.3s ease;">
Switch to Experiment 1
</a>
<a href="experiment-report-2.html" class="switch-button" style="
display: inline-block;
padding: 8px 15px;
background: rgba(52, 152, 219, 0.2);
border: 1px solid #3498db;
border-radius: 5px;
color: #fff;
text-decoration: none;
font-size: 0.9rem;
transition: all 0.3s ease;">
Switch to Experiment 2
</a>
</div>
</div>
<!-- 图表部分 -->
<section class="report-section">
<div class="chart-container">
<h3>Figure 1: Removal Rate vs CuO:SA Ratio</h3>
<canvas id="removalRateChart"></canvas>
</div>
</section>
<!-- 1. Objective -->
<section class="report-section">
<h2 style="font-family: Arial, sans-serif; font-size: 2em; font-weight: 700; color: rgba(173, 216, 230, 0.95); letter-spacing: 5px; text-shadow: 0 0 10px rgba(173, 216, 230, 0.8);">1. Objective</h2>
<p>The purpose of this experiment is to determine the optimal ratio of copper oxide (CuO) and sodium alginate for the highest efficiency in removing chromium ions (Cr3+) from water containing chromium chloride (CrCl3).</p>
</section>
<!-- 2. Background -->
<section class="report-section">
<h2 style="font-family: Arial, sans-serif; font-size: 2em; font-weight: 700; color: rgba(173, 216, 230, 0.95); letter-spacing: 5px; text-shadow: 0 0 10px rgba(173, 216, 230, 0.8);">2. Background</h2>
<p>Heavy metal ions, such as chromium, are toxic pollutants often found in industrial wastewater. Effective removal of these ions is crucial for environmental safety. Copper oxide (CuO) is known for its adsorption properties, and sodium alginate, a natural biopolymer, can enhance stability and facilitate removal in water purification processes. Understanding the synergistic effects of these materials can lead to an efficient and cost-effective solution for water treatment.</p>
</section>
<!-- 3. Materials -->
<section class="report-section">
<h2 style="font-family: Arial, sans-serif; font-size: 2em; font-weight: 700; color: rgba(173, 216, 230, 0.95); letter-spacing: 5px; text-shadow: 0 0 10px rgba(173, 216, 230, 0.8);">3. Materials</h2>
<p>Copper oxide (CuO), Sodium alginate, Chromium chloride solution (CrCl3), Deionized water</p>
<p>Beakers (100 mL), Magnetic stirrer and stir bars, pH meter, Filtration apparatus, UV-Vis spectrophotometer, Standard Cr3+ calibration solution</p>
</section>
<!-- 4. Methods -->
<section class="report-section">
<h2 style="font-family: Arial, sans-serif; font-size: 2em; font-weight: 700; color: rgba(173, 216, 230, 0.95); letter-spacing: 5px; text-shadow: 0 0 10px rgba(173, 216, 230, 0.8);">4. Methods</h2>
<h3 style="font-family: Arial, sans-serif; font-size: 1.5em; color: rgba(173, 216, 230, 0.85); margin-top: 1rem;">4.1 Experimental Setup: Preparation of CuO and Sodium Alginate Mixtures</h3>
<ul>
<li>Prepare sodium alginate solutions at a fixed concentration (e.g., 2% w/v).</li>
<li>Prepare mixtures of CuO and sodium alginate at varying weight ratios (e.g., 1:1, 2:1, 1:2, 3:1, 1:3)</li>
</ul>
<h3 style="font-family: Arial, sans-serif; font-size: 1.5em; color: rgba(173, 216, 230, 0.85); margin-top: 1rem;">4.2 Experimental Procedure:</h3>
<ul>
<li>Add 50 mL of a 10 ppm CrCl3 solution to separate beakers.</li>
<li>Introduce the CuO-sodium alginate mixtures into the beakers at fixed dosages (e.g., 1 g of total material).</li>
<li>Stir the solution using a magnetic stirrer for 30 minutes to ensure proper interaction between the pollutants and the adsorbent.</li>
<li>Measure the pH before and after the reaction to ensure stability.</li>
<li>Filter the solution to remove solid residues.</li>
</ul>
<h3 style="font-family: Arial, sans-serif; font-size: 1.5em; color: rgba(173, 216, 230, 0.85); margin-top: 1rem;">4.3 Measurement of Cr3+ Concentration:</h3>
<ul>
<li>Measure the initial and final Cr3+ concentrations using a UV-Vis spectrophotometer calibrated with standard solutions.</li>
<li>Record absorbance values at the characteristic wavelength for Cr3+ (e.g., ~400 nm).</li>
</ul>
</section>
<!-- 5. Diagrams -->
<section class="report-section">
<h2 style="font-family: Arial, sans-serif; font-size: 2em; font-weight: 700; color: rgba(173, 216, 230, 0.95); letter-spacing: 5px; text-shadow: 0 0 10px rgba(173, 216, 230, 0.8);">5. Diagrams</h2>
<div class="data-table-container">
<h3>Table 1: Chromium Ion Removal Results</h3>
<table class="data-table">
<thead>
<tr>
<th>CuO:Alginate Ratio</th>
<th>Initial Cr3+ Concentration (ppm)</th>
<th>Final Cr3+ Concentration (ppm)</th>
<th>Removal Efficiency (%)</th>
</tr>
</thead>
<tbody>
<tr>
<td>1:1</td>
<td>10</td>
<td>4.5</td>
<td>55.0</td>
</tr>
<tr>
<td>2:1</td>
<td>10</td>
<td>2.3</td>
<td>77.0</td>
</tr>
<tr>
<td>1:2</td>
<td>10</td>
<td>5.2</td>
<td>48.0</td>
</tr>
<tr>
<td>3:1</td>
<td>10</td>
<td>1.8</td>
<td>82.0</td>
</tr>
<tr>
<td>1:3</td>
<td>10</td>
<td>6.1</td>
<td>39.0</td>
</tr>
</tbody>
</table>
</div>
</section>
<!-- 6. Discussion -->
<section class="report-section">
<h2 style="font-family: Arial, sans-serif; font-size: 2em; font-weight: 700; color: rgba(173, 216, 230, 0.95); letter-spacing: 5px; text-shadow: 0 0 10px rgba(173, 216, 230, 0.8);">6. Discussion</h2>
<ul>
<li>The 3:1 ratio of CuO:SA showed the highest removal efficiency at 75%, indicating optimal performance.</li>
<li>Higher CuO content generally improved removal efficiency, likely due to increased adsorption sites.</li>
<li>Excess sodium alginate (ratios 1:2 and 1:3) resulted in reduced efficiency, possibly due to blocked active sites.</li>
<li>The results suggest that balancing CuO content with structural stability is crucial for optimal performance.</li>
</ul>
</section>
<!-- 7. Conclusion -->
<section class="report-section">
<h2 style="font-family: Arial, sans-serif; font-size: 2em; font-weight: 700; color: rgba(173, 216, 230, 0.95); letter-spacing: 5px; text-shadow: 0 0 10px rgba(173, 216, 230, 0.8);">7. Conclusion</h2>
<p>The optimal ratio of CuO to sodium alginate for chromium ion removal was determined to be 3:1, achieving a removal efficiency of 75%. This ratio provides the best balance between active site availability and structural integrity.</p>
</section>
</div>
</div>
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