超滤技术的特色在于，它对于分子重的要求有一个范围（MWCO），即从3000到100000。最常见的界限点就是奶品生产中的10000分子重（MW）。这是从乳糖中分离乳清蛋白的传统方法，之后可以继续生产35%——85%的乳清蛋白浓缩物。
乳清的超滤
高分子重从无蛋白氮，乳糖和分子较轻的矿物中分馏并保留脂肪和分子较重的成分。
应用
35%到65%的乳清蛋白浓缩产品：总固体含量为10%到28%，多少由喂入的饲料决定
70%到85%的乳清蛋白浓缩产品：由喂入的饲料成分决定如何微滤除脂。还需要洗滤。
| |
乳清蛋白浓缩物（WPC）一定范围内的质量结算 |
| |
WPC 35 |
WPC 50 |
WPC 65 |
WPC 80 |
WPC 85 |
WPC 85 |
WPC 90 |
| 甜乳清量 磅/天 |
1,000,000 |
1,000,000 |
1,000,000 |
1,000,000 |
1,000,000 |
1,000,000 |
1,000,000 |
| 浓缩率 |
5.56 |
11.10 |
23.14 |
41.90 |
42.87 |
~50 |
~55 |
| 洗滤的给水率 %* |
0.0% |
0.0% |
0.0% |
3.6% |
16.6% |
13.0% |
22.0% |
| 超滤渗透物 磅/天 |
820,185 |
909,959 |
956,794 |
1,012,007 |
1,142,940 |
1,092,282 |
1,183,922 |
| 超滤渗透物中总固体含量 |
5.09% |
5.25% |
5.32% |
5.22% |
4.67% |
3.96% |
3.14% |
| WPC 浓缩物 磅/天 |
179,815 |
90,041 |
43,206 |
23,893 |
23,329 |
19,816 |
18,139 |
| WPC 浓缩物中总固体含量 |
10.13% |
13.53% |
21.02% |
30.00% |
28.24% |
26.72% |
25.60% |
| 微滤滤膜面积 |
|
|
|
|
|
882.0 |
882.0 |
| 微滤渗透物 磅/天 |
|
|
|
|
|
291,911 |
291,911 |
| 微滤渗透物中总固体含量 |
|
|
|
|
|
5.51% |
5.51% |
| 微滤浓缩物 磅/天 |
|
|
|
|
|
17,980 |
17,980 |
| 微滤浓缩物中固体含量 |
|
|
|
|
|
12.00% |
12.00% |
| 粉末量 磅/天 |
18,974 |
12,690 |
9,460 |
7,467 |
6,863 |
5,515 |
4,837 |
| |
|
|
|
|
|
|
|
| 粉末成分: |
|
|
|
|
|
|
|
| 纯蛋白质 |
30.7% |
45.3% |
60.0%
|
75.0%
|
80.3%
|
79.7%
|
88.9%
|
| 非蛋白氮 |
2.9% |
2.7% |
2.4% |
1.8% |
1.3% |
1.9% |
1.1% |
| 乳糖 |
52.1% |
37.7% |
23.3% |
9.4% |
5.3% |
10.6% |
3.8% |
|
|
|
|
|
|
|
| 酸 |
1.4% |
1.1% |
0.7% |
0.3% |
0.2% |
0.3% |
0.1% |
| 灰 |
6.3% |
5.5% |
4.6% |
3.2% |
2.2% |
3.2% |
1.8% |
| 脂肪 |
2.6% |
3.8% |
5.0% |
6.2% |
6.7% |
0.3% |
0.3% |
| 湿气 |
4.0% |
4.0% |
4.0% |
4.0% |
4.0% |
4.0% |
4.0% |
| |
100.0% |
100.0% |
100.0% |
100.0% |
100.0% |
100.0% |
100.0% |
| |
|
|
|
|
|
|
|
| 纯蛋白产量 |
97% |
96% |
95% |
93% |
92% |
73% |
72% |
| 总蛋白产量 |
80% |
76% |
74% |
72% |
70% |
56% |
54% |
| |
|
|
|
|
|
|
|
| * 微滤超滤的洗滤用水 |
| |
|
|
|
|
|
|
|
| |
35.04% |
49.96% |
65.03% |
80.00% |
84.99% |
84.99% |
93.75% |
| |
33.6% |
48.0% |
62.4% |
76.8% |
81.6% |
81.6% |
90.0% |
| |
|
|
|
|
|
|
|
| |
3.24 |
6.38 |
13.14 |
23.43 |
23.61 |
22.19 |
23.7 |
| |
0.31 |
0.38 |
0.53 |
0.57 |
0.39 |
0.52 |
0.3 |
| |
5.5 |
5.31 |
5.1 |
2.94 |
1.56 |
2.96 |
1.01 |
| |
0.15 |
0.15 |
0.15 |
0.1 |
0.06 |
0.09 |
0.03 |
| |
0.66 |
0.78 |
1 |
1.01 |
0.65 |
0.89 |
0.48 |
| |
0.27 |
0.53 |
1.1 |
1.95 |
1.97 |
0.07 |
0.08 |
| |
|
|
|
|
|
|
|
| |
10.13 |
13.53 |
21.02 |
30 |
28.24 |
26.72 |
25.6 |
| |
96.00% |
96.00% |
96.00% |
96.00% |
96.00% |
96.00% |
96.00% |
|
|
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