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			<p><img decoding="async" class="aligncenter wp-image-4578" src="https://www.51chem.com/wp-content/uploads/2021/10/2021102507180275.jpg" alt="" width="600" height="255" srcset="https://www.51chem.com/wp-content/uploads/2021/10/2021102507180275.jpg 900w, https://www.51chem.com/wp-content/uploads/2021/10/2021102507180275-300x127.jpg 300w, https://www.51chem.com/wp-content/uploads/2021/10/2021102507180275-768x326.jpg 768w" sizes="(max-width: 600px) 100vw, 600px" /></p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题1</strong></span></li>
</ul>
<p>工艺：水解+接触氧化法，出水COD在70mg/L，但看起来很混浊，不知道什么原因?测MLSS和测SS的方法是一样的吗?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)进入接触氧化池的悬浮颗粒过多的话，会被动导致接触氧化池出水的SS升高，这样的话，出水就浑浊了。如果无机颗粒为主的话，则SS高，而出水COD并不高。</p>
<p>(2)MLSS与SS检测方法同，只是MLSS过滤时受活性污泥易堵塞滤纸的缘故，最好是用抽滤瓶进行抽滤。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题2</strong></span></li>
</ul>
<p>我们公司的污水在三期的部分沉淀池和生化池、二期的部分沉淀池和生化池出现水质恶化，颜色变黑，但是pH值是7.3左右，曝气气也正常，请问出现上述情况是什么原因啊?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)曝气正常，只能保证曝气池正常，沉淀池如果停留时间过长，水质COD处理效果不佳时，可以发生水质发黑。</p>
<p>(2)如果市政污水，进流途径管道较长，在进污水处理系统前因为缺氧，也会发生水质变黑，如此，出流处理水也会发黑。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题3</strong></span></li>
</ul>
<p>终沉池出水呈黄绿色是怎么引起的?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)处理城市生活污水，由于途中污水管内厌缺氧所致进水颜色发黑，处理后的出水出现黄绿色也正常。</p>
<p>(2)部分工业废水也一样，出水颜色异常，多半是进水原因造成的。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题4</strong></span></li>
</ul>
<p>出水有许多小的碎泥漂出，工艺是卡罗塞尔氧化沟，进水COD为450mg/L，水温14摄氏度，出水COD为200mg/L，SV30=50mg/L，有不少钟虫，出水溶解氧为2.50mg/L，总是有碎泥，持续了10d，请问是什么原因?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)首先考虑的是污泥解体，常见的是老化解体，看看F/M值是否过低，也就是MLSS是否过高，如果是那样，应适当的排泥(通常冬季会比夏季MLSS控制要高10%-15%)。</p>
<p>(2)钟虫数量有保证的话，进水相对来说是比较稳定的，但要看看显微镜是否有丝状菌。如果丝状菌存在的话，进水水量波动过大时，放流出水中有细小颗粒流出。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题5</strong></span></li>
</ul>
<p>我厂采用的是CASS工艺，前几天曝气时泡沫上沾有死泥呈黑色，溶解氧升高迅速，出水浑浊。请问是什么原因?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)不知道有机物去除率如何，如果影响不大，可能是进水含有不易降解物质，通过曝气黏附在泡沫上了，所以看看进水是否SS有异常，包括悬浮物的颜色与泡沫颜色是否一致。</p>
<p>(2)如果有机物去除率下降，要考虑是否进水有抑制微生物的成分。可以的话，看看源头排放的废水是否有改变。</p>
<p>(3)污水厂内会否投加了什么药剂呢?还有一种情况是有些地方的曝气设备、搅拌设备出现了故障，突然修复或开启，将池底的沉淀物搅拌了起来，同样会出现上述现象。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题6</strong></span></li>
</ul>
<p>本厂80%是工业污水，大部分是造纸水，泥里有丝状菌，但数量不多，厂在山东，水温14摄氏度，有点漂泥，很严重。请问华北这边污水处理厂冬天都是这样吗?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)造纸废水出现漂泥的话，看看是否为污泥老化(根据F/M值)；</p>
<p>(2)分析进水成分，看看细小的碳酸钙有没有被沉降，是否有涂布废水的难沉降矿物颗粒。如果有这样的情况的话，物化阶段就要强化一下。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题7</strong></span></li>
</ul>
<p>我们公司的产品中有70%用活性染料，工艺为水解(HRT12h)—接触氧化(HRT10h)—混凝—沉淀(HRT4h)—出水。氧化池出水(静上沉降后)COD为150mg/L，色度200左右。用过多种药品(<a href="https://www.51chem.com/2896.html">硫酸铝</a>与脱色剂，石灰与<a href="https://www.51chem.com/2703.html">硫酸亚铁</a>)，因改造工程，混凝加药停留4h后出水，极易反色，但是成本太高或者不能使COD色度同时达标。不知道有没有更好的药剂?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)染料废水是属于比较难处理的工业废水。</p>
<p>(2)排放的废水是否有色度控制要求，COD和色度的降低除了生化段和脱色剂外，物化段也比较重要。如果通过物化段能够有效地去除色度的话，后段压力会大大降低。</p>
<p>(3)脱色剂的选择要合适处理的废水，可以通过实验确定合适的药剂类型。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题8</strong></span></li>
</ul>
<p>处理站运行正常，刚开始出水不好，呈棕黄色，但是厌氧出水很清，经过氧化沟就出水不好了。现在氧化沟初沉池出水还带泥，水还是呈棕黄色，不知道怎么办，曝气时，液面泡沫带少许绿色，现在就是想去除出水的色度?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)液面泡沫带点绿色，通常有厌氧部分处理的以及市政污水中可出现。</p>
<p>(2)活性污泥没有到达适当浓度，培菌阶段，都可出现出水带黄褐色的问题，因为活性污泥培菌尚未成熟，污泥活性高，成团絮凝不充分所致。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题9</strong></span></li>
</ul>
<p>我现在调试的是机械工业废水，先物化加石灰和硫酸亚铁，然后进初沉，再到接触氧化池，总停留时间30小时，二沉出水，COD进水2000mg/L，出水20mg/L左右。总P进水60mg/L，出水0.9mg/L现在的问题是，我调试了一个月左右，氨氮，COD，都达标，就是总P偏高，经过加药到初沉总P含量还只有0.05，可是到了二沉淀总P含量增高到0.9mg/L。实验结果绝对没问题，我想会不会是在我的生化池或者二沉发生了厌氧释P，可是我排二沉和生化池污泥后，发现污泥不是很多。请问造成此现象的原因是什么?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)通常出水P会小于进水P浓度，如果反过来了，也只是暂时性的，阶段性的(考虑微生物有富集P的作用)</p>
<p>(2)就能量守恒来说，不会出现上述所说的问题。由于进水总磷过高，只要中间在物化段处理有所漏失，则会有多量的磷进入接触氧化池，导致出水总磷上升。</p>
<p>(3)该工艺不具备有效的除磷能力也是出现这个问题的关键。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题10</strong></span></li>
</ul>
<p>生物接触氧化池之前处于调试阶段时，一直情况很好，进水200mg/L左右，出水在30mg/L左右，但是过了一段时间，满负荷运行后，三个池子中的后两个池子填料就出现棕红色，现在膜越来越少，而且出现好多红色的虫子，肉眼可见，非常的多。出水好多的悬浮物，水质也变差，之前一直很清澈。溶氧以前一直控制在3mg/L左右，现在在2~3mg/L。到底是怎么回事呢?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>应该说生物膜的交替更新需要这些原生动物的。过量的话可能与负荷过低有关。可适当降低曝气量看看。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题11</strong></span></li>
</ul>
<p>废水主要含有树脂，5~6%的异丙醇，一天水量300立方混有50%生活废水，主要为食堂废水，进水COD很不稳定平均在1200左右，但是最高COD可达到15000，原有工艺流程是：调节&#8211;化学絮凝&#8211;沉淀&#8211;兼氧&#8211;好氧&#8211;斜板沉淀&#8211;吸附&#8211;出水，出水情况：平均一个月15天不达标(平均在200~400)，平均COD1300，当COD达到10000以上出水(400~600)生物部分：厌氧进水为上进下出。填料上生物很少几乎没有生物厚度，好氧膜上的污泥黄色，里面为黑色，水较清。填料上的生物厚大概在5CM左右捏开生物有像果冻一样的颗粒不知道是什么。原有工艺生物出问题可是到底是什么问题?反应池进生物的COD比生物出水COD低，出水有时达标有时不达标，15天不达标只是平均，有时候一个月都达标后两个月都不达标。停留时间调节池的停留时间为10个小时，反应时间为1个小时，兼氧4小时，好氧6个小时，沉淀时间2小时。请问到底是什么原因呢?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>还是进水问题。</p>
<p>1、浓度变化大，微生物跟不上变化</p>
<p>2、水质含有的有机物不易降解。特别是异丙醇(有机溶剂)，就如汽油，不容易降解。需要加大停留时间，来提高降解率。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题12</strong></span></li>
</ul>
<p>CASS工艺,前几天曝气时泡沫上粘有死泥呈黑色,溶解养升高迅速,出水浑浊,请问是什么原因?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)不知道有机物去除率如何，如果影响不大，可能是进水含有不易降解物质，通过曝气黏附在泡沫上了，所以看看进水是否SS有异常，包括悬浮物的颜色与泡沫上的颜色是否一致。</p>
<p>(2)如果有机物去除率下降，要考虑是否进水有抑制微生物的成分，可以的话，看看源头排放的废水是否有改变。</p>
<p>(3)你的污水厂内是否投加了什么药剂呢?还有一种情况是你有些地方的曝气设备、搅拌神杯故障了，突然修复或开启，将池底的沉淀物搅拌了起来，同样会导致你说的现象的。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题13</strong></span></li>
</ul>
<p>化工厂的污水装置，日均进水量是500-600进水COD10000左右，出水COD200左右工艺为预处理+厌氧生化+好氧生化(完全混合法)，mlss7.9g;SV3085%出现的异常状况为，前段时间由于公司煤制气装置的含高氨氮废水(700左右)进入好氧生化，导致出水氨氮一直居高不下，出水氨氮大约在200左右，出水COD200左右由于环保指标比较严格，煤制气废水于半个月前已经停止接收现在出现的问题是，半个月前已经停止接收高氨氮废水，现在进水氨氮在20左右，而出水氨氮200左右，请问这是什么原因该如何处理?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)系统运行还是相当好的，从数据看，COD去除率达到了98%，在受到高氨氮冲击后，COD也没有减低去除率。</p>
<p>(2)现在停掉高氨氮的接受，应该会慢慢降低出水氨氮的，目前还比较高应该是滞留在系统内的氨氮，毕竟您现在进水氨氮也就20。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题14</strong></span></li>
</ul>
<p>我厂是AAO工艺，设计能力2.5万，实际进水在2万左右，进水COD在300-500，偶尔会到600以上左右，但很少。进水氨氮在35-40左右，MLSS现在在8000，SV30在50，DO在3左右，现在出水COD在50-60之间，氨氮稳定在1，SS在8-10。以前我们这出水COD一直比较稳定达标，现在突然升高，不知道什么原因?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>通过SV30来判断下：</p>
<p>(1)上清液浑浊，特别是间隙水浑浊，需要考虑负荷突然增加所致（看进水是否COD也升高了来判断）同样也有可能是有难处理成分流入，配合显微镜看看原生动物是否有变少趋势来判断。</p>
<p>(2)上清液有较多颗粒，但是颗粒间水比较清澈，可能是污泥老化，出水颗粒多，颗粒释放的COD，可以通过出水滤纸过滤后测测COD是否比未过滤的要低。根据以上调查，确定原因后，再讨论对策。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题15</strong></span></li>
</ul>
<p>进水COD60-150mg/L，进水为生活污水、循环水排污水等。曝气池有效容积10000方（现停运一个系列5000方），四段表面曝气式，后面有二沉池。进水低氨氮，进水pH在6-8。水量500-600吨每小时。污泥浓度5g/L，计划控制到3g/L目前主要问题是出水SS高。为方便我们测浊度。如果浊度在20NTU以下，后面深度装置运行较稳定，可现在通常都在30NTU。污泥浓度我们控制肯定是高，但也降过3，但出水还是不稳定。有什么好的工艺改善方法可以降低出水浊度吗?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>污泥浓度5千的话，出水SS确实容易高，所以，如你提议的还是先慢慢降低到3000看看效果。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题16</strong></span></li>
</ul>
<p>白酒废水，在氧化沟二沉池后专门设置了除磷沉淀池，采用PAC除磷，出水氨氮在0.5左右，总磷在1mg/L一下，在夏天太阳较大时池面长满青苔和浮萍，请问是什么原因，如何控制?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)大量存在的原因就是你的出水氮磷含量较高(但也是达标的)，由于你的出水是流动的，所以，所提供的氮磷对这些藻类植物来说，氮磷浓度是不被受限制的。</p>
<p>(2)对策的话，源头降低出水氮磷浓度，定期打捞。</p>
<p>(3)另外，如果出水恶化的话(比如COD，ss)则这些藻类和植物反而会减少，所以，有这些藻类和植物存在实际上而可以辅助判断出水水质良好(COD和SS).</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题17</strong></span></li>
</ul>
<p>我们一个厂出水COD突然到了100左右，悬浮物稍高点，水还是比较清澈的;之前一直在30左右的，进水水质变化也不大，基本全是生活污水!DO基本上在2左右的~!运行控制方面哪方面出问题了呢?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)把这些悬浮物过滤后看看COD是多少，如果过滤后COD减低很多的话，说明是活性污泥飘出去导致的出水COD升高。如果过滤后COD变化不明显，那么出水COD升高是因为溶解性有机物导致的。</p>
<p>(2)针对以上，分别对策如下：</p>
<p>①过滤后测得COD明显减低的，且出水还是清澈的，要注意是否污泥老化导致的，可以通过逐渐排泥来缓解。</p>
<p>②过滤后测得COD没有什么变化的，则多半是进水有机物升高，或者排泥太多导致F/M升高导致的。综合来看第1种可能性大。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题18</strong></span></li>
</ul>
<p>现在做调试一个制药废水，cod20000，可生化性差。厌氧出水3000-5000进兼氧，一千多进生物接触氧化池，可出水最近还有七百多。这段时间好氧池上总是有浮泥，有时是黄色有时是灰黑色，我怀疑污泥老化了，出水很浑浊，sv只有5。前段时间迫于厂家压力提负荷有点快了，后来缓下来可效果一直很差。针对这好氧有什么措施可以补救吗?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>生物接触氧化工艺，是膜泥共生状态吧。对于难降解的有机物，如果生化性差的话，主要依靠膜来处理比较好。所以可以加大些排泥，并且延长废水在接触氧化池的停留时间。能把2万COD通过厌氧和兼氧降低到一千多已经很不容易了。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题19</strong></span></li>
</ul>
<p>城市废水卡鲁塞尔氧化沟，无初沉池，水量60000吨/天，进水COD120mg/l，污泥负荷0.04kgbod/kgmlss.d,泥龄控制在20天，污泥浓度2500，sv30：20%，出水cod20mg/l原来污泥浓度一直控制在3000mg/l，节后发现，出水混浊，同时污泥浓度下降，分析污泥老化，进水负荷低，降低污泥浓度，控制在2500mg/l左右，但是在降低过程中，SV也是降得很快，从40%降到20%，浑浊，出水COD没有出现大的波动，出水ss最高20mg/l，但是从sv30来看，上清液混浊，出水朦胧，sv一直在降，没有节前出水好，是什么原因?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>主要是要注意降低污泥浓度时不要太急，也就是不要一下子降低太多，目前看确实是污泥老化，出水浑浊，还是排泥加大后看一段时间，待稳定后确定是否继续加大排泥，否则容易出现一下子降低太多的现象，继而影响出水稳定性。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题20</strong></span></li>
</ul>
<p>我们厂是垃圾发电厂的垃圾渗滤液处理项目，采用的是UBF+双A/O系统处理，年前出水还好，但是年后出水COD：456，氨氮：80，有点超标，污泥浓度：15克/L，SV：75%，(O池)DO：探头显示0.5,(探头估计有点问题)，出水有点发红，请问应该改变什么条件，能使出水达标(达标COD500，氨氮35)?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>溶解氧比较低，可能与污泥浓度偏高有关。你也说到溶解氧可能不准，为此还请确认清楚溶解氧是否准确。现在看数据氨氮偏高和溶解氧偏低有关联，如果溶解氧提交的话，氨氮应该会有所降低。另外，PH值请告知。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题21</strong></span></li>
</ul>
<p>出水COD连续高于进水COD。遇见这种情况，该如何解决呢?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)如果MLSS没有大幅降低，则要考虑是否进水有抑制物质，导致即使MLSS还有，但去除率已无。如果是有抑制物质流入，那么，除了接触抑制物质流入外，还要加大排泥，把抑制物质排出去，进而通过新污泥形成来恢复系统。</p>
<p>(2)是否还有大量活性污泥流出，导致你做实验室数据偏高，可以通过把杂质过滤后监测COD，看看是否有不同数据如果过滤后COD数据降低了，那么保证活性污泥的沉降性就是第一位的了。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题22</strong></span></li>
</ul>
<p>我们污水厂为倒置A/A/O工艺，出水一级A标准，进水COD400mg/l左右，BOD在300mg/l左右，进水量为1万立方米/天，前期一直未排泥运行了一年左右，上个月出水开始发黄COD、SS、色度都不达标。现在污泥已持续排了一个半月，污泥浓度降为6000mg/l，sv为40，现在仍有如下问题：好氧池池面有大量漂浮的黑色死泥泥沫，溶解氧一直在1.0左右无法升上来，二沉池出水混浊，总出水有泡沫，出水COD100mg/l后续应该如何处理呢?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)排泥不要一下子太快。否则会突然破坏生物间平衡而导致出水恶化。</p>
<p>(2)6000的污泥浓度还是太高了，毕竟进水有机物浓度不高，在3500-4000比较合适。</p>
<p>(3)出水黄、浑浊、浮渣，这些都可以理解为污泥老化，所以，你在排泥是对的。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题23</strong></span></li>
</ul>
<p>我厂是城市生活污水，是百乐克公艺，设计处理能力3万吨，现在进水1.8万吨.进水COD平均值是180mg/l左右，污泥浓度3600mg/l，沉降比是14，溶解氧大约2mg/l左右，老师我现在面临的是：</p>
<p>1、开两台风机时污泥浓度3600mg/l，开一台风机污泥浓度只有2400mg/l左右，两天不开第二台风机污泥浓度是1800.mg/l，长期只开一台风机曝气池是不是会出现污泥腐败现象。</p>
<p>2、二沉池有少量污泥上浮，出水悬浮物高，120mg/l左右，伴随着磷高，出水COD在线监测只有15mg/l左右，氨氮是0.1mg/l，二沉池与曝气池连接一侧水表面很清澈，但出水堰那一侧很混浊，请问是怎么回事?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)曝气机多开，搅拌和推动力就会提高。所以你测到的污泥浓度就会高，反过来，污泥沉淀在生化池了，相对检测到污泥浓度就低了。</p>
<p>(2)至于出水浑浊，主要还是进水有机物浓度低，而污泥浓度控制相对较高导致的污泥老化所致。所以，需要排泥降低些污泥浓度。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题24</strong></span></li>
</ul>
<p>我的中间沉淀池出水带悬浮物，绒粒状、发白、质轻、曝气池有白色易堆积泡沫，好氧生化采用生物接触氧化法，请问出水悬浮物高何原因？</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)由于是生物接触氧化法，可能是曝气后，生物膜剥落，剥落物质被曝气打碎后不容易沉降，导致您说的现象发生。</p>
<p>(2)请对照悬浮物和生物膜，看看是否是类似物质。</p>
<p>(3)如果你是间歇运行的话，最好在停止进水时把曝气停掉，减少冲刷生物膜导致的剥落现象。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题25</strong></span></li>
</ul>
<p>AO工艺，O池上的水样，放一个下午，所以的泥都浮了上来，轻轻摇动又马上会下沉。这是曝气不足么？400多COD进水，出水老是只能200出头。NH3-N的去除率到时挺高的。300能降到5左右。SV517%SV3011%，每天进水60吨左右。A池上，经常有浮渣，看过去像腐泥一样，请问该怎么操作比较好呢?我们这要求出水一级达标，后期我们还加了PAC，PAM混凝沉淀，COD还是有120mg/l左右。</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>(1)应该是曝气不足所致，出水COD高恐怕也是部分污泥上浮在破散后融入水中所致。</p>
<p>(2)如此高的氨氮去除效果，溶解氧不足的话，容易导致反硝化后污泥上浮。</p>
<ul class="list-paddingleft-2">
<li><span style="color: #ff0000;"><strong>问题26</strong></span></li>
</ul>
<p>服务区的污水处理项目，设计进水180吨，工艺是A\O工艺，现在进水量每天大约80吨，白天运行10小时，晚上不运行。进水cod160mg/l左右，氨氮120mg/l至180mg/l，进水ph在8.4左右，厌氧池ph7.6，好氧池7.5左右。每天加葡萄糖25千克，溶解氧在5左右，晚上关闭风机不曝气。污泥沉降比在30%左右，2个月前重新培菌，20天前做镜检时生物相就不错了，出水各项指标都不错，现在就是氨氮没有去除效果，去除率也就20%吧，20天至10天前没有排泥，沉降比从25升到35，10天开始排泥现在污泥沉降比在30左右，出水浑浊，请问该怎么样调整运行?</p>
<ul class="list-paddingleft-2">
<li><strong>解析：</strong></li>
</ul>
<p>投加的<a href="https://www.51chem.com/2524.html">葡萄糖</a>可能太多了，请尝试逐步降低(1周左右)看看氨氮去除率是否提高。出水的氨氮也看看，开始运行后1小时处理效果，5小时处理效果，10小时处理效果。以此来判断那个时段处理效果好。</p>
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.right_bar li.rtbar_li1{ top:0; width:172px; }
.right_bar li.rtbar_li2{ position:absolute; top:51px; left:0; }
.right_bar li.rtbar_li3{ position:absolute; top:102px; left:0; width:126px; }
.right_bar li.rtbar_li4{ top:153px;}
.rtbar_li4{ position:absolute; top:153px; left:0;}
.right_bar li a{ display:block; color:#FFF; font-size:14px; height:50px; line-height:50px; overflow:hidden; background-color:#003377; opacity:1; border-radius:6px;}
.right_bar li a img{ display:block; float:left; vertical-align:middle; width:24px; height:24px; margin:12px 12px 14px 14px;}
.right_bar li a:hover{ background-color:#003377; opacity:1;}
.rtbar_shwx{ display:none; position:absolute; top:-120px; left:-155px; padding-bottom:9px; }
.rtbar_shwx img{ padding:2px; background-color:#FFF; }
.right_bar{display:none;}
.rtbar_shwx{top:-50px;}
</style>
<script>
jQuery(window).bind("scroll",function(){
var _wTop = _winScroll = windowPos = jQuery(window).scrollTop();
if(_wTop>100&&window.innerWidth>1024){
jQuery('.right_bar').fadeIn();
}else{
jQuery('.right_bar').fadeOut();
}
});
jQuery('body').on('click', '.gotop', function() { jQuery('html,body').stop(1).animate({ scrollTop: '0' }, 300); return false });

jQuery('.right_bar li').eq(0).hover(function() {
jQuery(this).stop().animate({ left: -116 }, 300);
}, function() {
jQuery(this).stop().animate({ left: 0 }, 300);
});

jQuery('.right_bar li').eq(2).hover(function() {
jQuery(this).stop().animate({ left: -70 }, 300);
}, function() {
jQuery(this).stop().animate({ left: 0 }, 300);
});
jQuery('.right_bar li').eq(1).hover(function() {
jQuery(this).stop().find('.rtbar_shwx').show();
}, function() {
jQuery(this).stop().find('.rtbar_shwx').hide();
});

jQuery("div[id^='c_']").attr("loaded","true");

// 隐藏空元素
 if ( jQuery(".my-prote .elementor-widget-container .kong").length>0  ){
   jQuery(".my-prote").addClass("my-noshow");
 } 
 if ( jQuery(".my-proapp .elementor-widget-container .kong").length>0  ){
   jQuery(".my-proapp").addClass("my-noshow");
 } 
 if ( jQuery(".my-prostorage .elementor-widget-container .kong").length>0  ){
   jQuery(".my-prostorage").addClass("my-noshow");
 } 

 if ( jQuery(".my-proshow .my-contentshow").length>0  ){
 	//console.log('真');
 }  else { 
 	jQuery(".my-proshow").addClass("my-noshow");
 }


</script>
</div><!-- 客服 end-->

</body>
</html>
