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| 上架時(shí)間：2020-11-18 18:54:42 | 瀏覽量：121 | |
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說，我們會(huì)提到聚丙烯酰胺產(chǎn)品的分子量，但有些客戶會(huì)詢問它們的粘度。聚丙烯酰胺的分子量與其粘度有一定的關(guān)系。確定聚丙烯酰胺分子量的方法之一是測量其粘度方法。可以看出，聚丙烯酰胺的粘度和分子量之間存在一定的關(guān)系！ 在正常情況下，聚丙烯酰胺的分子量越高，粘度越大，因?yàn)榫郾０反蠓肿邮羌?xì)小的長鏈狀體，并且在溶液中的運(yùn)動(dòng)阻力很大。粘度的本質(zhì)是溶液中的摩擦量，也稱為內(nèi)摩擦系數(shù)。各種高分子有機(jī)化合物的溶液具有高粘度并隨著分     子量的增加而增加。 經(jīng)過我們聚丙烯酰胺多年的研究，聚丙烯酰胺的絮凝性能與其溶液粘度直接相關(guān)。聚丙烯酰胺的粘度越高，性能越好，即聚丙烯酰胺的分子量越高。產(chǎn)品性能越好；如果其粘度因某些因素而降低，其絮凝性能將不可避免地下降。然而，聚丙烯酰胺溶液的粘度受許多其它因素的影響，例如溫度，濕度，溶解過程中的要弄清楚聚合氯化鋁與聚丙烯酰胺哪個(gè)是絮凝劑，首先我就要弄清楚混凝劑與絮凝劑的區(qū)別；炷侵杆巹┩都舆M(jìn)水中水解后對廢水中膠體進(jìn)行壓縮電雙分子層，使得脫穩(wěn)、破乳凝聚形成絮體的一個(gè)過程。絮凝則是將各小的絮體，膠體顆粒進(jìn)行吸附架橋，網(wǎng)捕沉淀，主要外表為粘結(jié)成大塊的絮體現(xiàn)象，絮凝劑不具備凝聚作用；炷=凝聚+絮凝。 聚丙烯酰胺是一種新型的無機(jī)鹽鐵系高分子水處理藥劑，具有對廢水中的溶質(zhì)、膠體和懸浮物具有電子中和的作用。特別是高聚物形態(tài)使它廢水中溶解后生生長線的狀，兩端可將水中的這些物質(zhì)進(jìn)行吸附架橋，聚丙烯酰胺的這些長線狀會(huì)相互交叉，形成一張張網(wǎng)對水中的小顆粒進(jìn)行卷掃，進(jìn)而凝聚沉淀。由此看來，聚丙烯酰胺是典型的高分子絮凝劑。而絮凝劑與助凝劑都屬于混凝劑中的一種，因此，聚丙烯酰胺既是絮凝劑又是混凝劑。 聚合氯化鋁在投加入廢水中后，利用其高分子量立體網(wǎng)狀空間結(jié)構(gòu)，能夠?qū)U水中的混凝所形成的小的絮凝體粘結(jié)起來，形成大的絮凝帆花，使得高分子鏈互纏交聯(lián)，形成網(wǎng)捕，從而使絮凝體結(jié)構(gòu)增大變粗，從而達(dá)到加速固體和液體分離，較后形成沉淀。但是聚合氯化鋁不具備凝聚作用，所以其只具有絮凝作用，只能作為絮凝劑。廢水處置中，經(jīng)常采用聚丙烯酰胺+聚合氯化鋁聯(lián)合使用。這種混凝與絮凝相結(jié)合的配比使用藥劑，不但降低了廢水處置本錢，又大大提高了其污染物的絮凝速度與效果。 聚合氯化鋁的包裝一道治理用的除磷劑是對城市水源水混凝除濁處理及除磷的物品？梢栽趯Τ鞘兴此炷凉崽幚硗瑫r(shí)，到達(dá)深度除磷意圖。 從而將處理后飲用水中的磷含量降至界限值以下，不需要改動(dòng)原水處理流程，不需要增設(shè)大型水處理構(gòu)筑物，簡便易行，經(jīng)濟(jì)實(shí)用，可獲得顯著的社會(huì)和經(jīng)濟(jì)效益。 河道治理用的除磷劑運(yùn)用方法量投加不會(huì)造成不良影響的，畢竟鐵也是微生物生長所需要的微量元素。但是如果投加量過大，則會(huì)使污泥活性收到影響，還有疑問可以到環(huán)保.通交流。 生化末端 沒有影響，何況少量的鐵鹽能夠?qū)hosphorus removal agent for road treatment is a kind of material for coagulation and turbidity removal of urban water source and phosphorus removal. It can reach the intent of deep dephosphorization at the same time of coagulation and turbidity removal of urban water source. Thus, the phosphorus content in treated drinking water can be reduced to below the threshold value, without changing the original water treatment process, without adding large water treatment structures, which is simple, economical and practical, and can achieve remarkable social and economic benefits. The amount of phosphorus removal agent used in river regulation will not cause adverse effects. After all, iron is also a trace element needed for microbial growth. However, if the dosage is too large, the sludge activity will be affected. There are still doubts about environmental protection and communication. There is no effect on the biochemical end, let alone a small amount of iron salts. 懸浮物上漂 1、操作不當(dāng)，有的是不專業(yè)的人員在實(shí)驗(yàn)中運(yùn)用了不當(dāng)手法，加入聚合氯化鋁后，攪拌過急過慢都不行，初次實(shí)驗(yàn)，要有專業(yè)的水處理師從旁協(xié)助，這是很重要的一點(diǎn)。 2、加聚合硫酸鐵的量沒有控制好，（加藥過多或過少）這種情況，最容易出現(xiàn)懸浮物上漂。 使用前，將本產(chǎn)品按一定濃度（10-30%）投入溶礬池，注入自來水?dāng)嚢枋怪浞炙猓o置至呈紅棕色液體，再兌水稀釋到所需濃度投加混凝。水廠亦可配成2-5%直接投加，工業(yè)廢水處理直接配 成5-10%投加。 b、投加量的確定，根據(jù)原水性質(zhì)可通過生產(chǎn)調(diào)試或燒杯實(shí)驗(yàn)視礬花形成適量而定，制水廠可以原用的其它藥劑量作為參考，在同等條件下本產(chǎn)品與固體聚合氯化鋁用量大體相當(dāng)，是固體硫酸鋁用量的 1/3-1/4。如果原用的是液體產(chǎn)品，可根據(jù)相應(yīng)藥劑濃度計(jì)算酌定。大致按重量比1:3而定。 關(guān)于污水處理使用聚合硫酸鐵上水層出現(xiàn)漂浮物的原因以及解決方法 污水處理1. Improper operation, some non-professional personnel in the experiment used improper techniques, adding polyaluminium chloride, stirring too fast or too slow can not, the first experiment, there must be professional water treatment assistant, this is a very important point. 2. The amount of polyferric sulfate added is not well controlled (too much or too little dosage). In this case, suspended solids are most likely to float. Before use, the product was put into the alum bath at a certain concentration (10-30%) and stirred with tap water to make it fully hydrolyzed. The product was put into a red-brown liquid and diluted with water until the required concentration was added and coagulated. Waterworks can also be added 2-5% directly, and industrial wastewater treatment can be added 5-10%. B. The determination of dosage depends on the proper amount of alum formed by production debugging or beaker experiment according to the nature of raw water. The other dosage used in water plant can be used as reference. Under the same conditions, the dosage of this product is approximately equal to that of solid polyaluminium chloride, which is 1/3-1/4 of that of solid aluminium sulfate. If the original liquid product is used, it can be calculated according to the concentration of the corresponding agent. It depends roughly on the weight ratio of 1:3. Reasons and Solutions for Floating Matter in the Upper Water Layer of Polyferric Sulfate Used in Sewage Treatment 3、加聚合硫酸鐵的量對了，但是廢水的PH值不對，沒有在相應(yīng)藥劑用PH范圍。適應(yīng)水體PH值范圍寬為4-11，值范圍為6-9，凈化后原水的PH值與總堿度變化幅度小 4、使用凈水產(chǎn)品的型號不對，根據(jù)污水的特點(diǎn)，選擇適合自己污水特征的凈水劑，如：聚合氯化鋁、聚氯化鋁、聚合氯化鋁鐵、氯化鋁、噴霧式聚合氯化鋁、白色聚合氯化鋁等等，聽從專業(yè)水處理師的指導(dǎo)意見，他們給的意見都是專業(yè)性的。 關(guān)于污水處理使用聚合硫酸鐵上水層出現(xiàn)漂浮物的原因以及解決方法 聚合硫酸鐵 5、最后一點(diǎn)要考慮的就是，你所使用的聚合硫酸鐵，質(zhì)量是否達(dá)標(biāo)，聚合硫酸鐵的各項(xiàng)指標(biāo)是否標(biāo)準(zhǔn)。 現(xiàn)在市面上聚合硫酸鐵的質(zhì)量參差不齊，相對于質(zhì)量好一些的聚合硫酸鐵在使用過程中，出現(xiàn)懸浮物的幾率會(huì)很低的，好一些的聚合硫酸鐵幾乎是沒有水不溶物的，所以產(chǎn)品質(zhì)量也是非常重要。微生物活性有促進(jìn)作用，就是出水色度有影響 將化學(xué)除磷劑投加于生化池的后面，這樣便可以完全避免水中多種物質(zhì)與除磷劑發(fā)生反應(yīng),消耗藥劑用量.且不會(huì)降低生化池的進(jìn)水有機(jī)碳濃度，影響微生物的脫氮除磷效果。同時(shí)還可避免過多投加除磷劑，也會(huì)使殘余的藥劑進(jìn)入生化系統(tǒng)中，對微生物生長造成影響。 將除磷絮凝劑投加于好氧池的出水口端，二沉池的前面投加除磷劑則可以大量減少除磷藥劑的使用量，這是廢水在生化處理的過程中已去除水中大部分磷，并將偏磷、有機(jī)磷轉(zhuǎn)化為可通過混凝處理的正磷，大大提高除磷效果和減少除磷劑投加量，減少污泥產(chǎn)量、減少污泥中的磷含量。 所以，化學(xué)除磷藥劑一般投加于生化后，二沉池前，節(jié)省廢水除磷成本和提高達(dá)標(biāo)率。? 運(yùn)用時(shí)可將本產(chǎn)品直接投加，或先參加溶解罐，濃度為10～20%，拌和，用泵投加到反響池。本產(chǎn)品適用的pH值規(guī)模廣，在酸性條件下運(yùn)用效果尤佳，運(yùn)用量約為100～1000ppm（即0.1～1公斤/噸廢水），依據(jù)廢水中磷酸根的含量不同其用量有所差異，詳細(xì)用量一般通過試驗(yàn)斷定。 試驗(yàn)時(shí)取一定量的原水，參加適量的本產(chǎn)品（如500ppm），將廢水pH值調(diào)節(jié)至7～8，www.hnldscl.com參加少數(shù)聚丙烯酰胺PAM絮凝沉積，過濾取上清液測定磷的含量。（如需處理重金屬，用上清液進(jìn)行二次處理即可。）AC/PAM與除磷劑攪拌后的反應(yīng)？使用時(shí)可將本產(chǎn)品直接投加，或先參加溶解罐，濃度為10～20%，拌和，用泵投加到反響池。本產(chǎn)品適用的pH值規(guī)模廣，在酸性條件下使用作用尤佳，使用量約為100～1000ppm（即0.1～1公斤/噸廢水），依據(jù)廢水中磷酸根的含量不同其用量有所差異，具體用量一般經(jīng)過試驗(yàn)斷定。The amount of polyferric sulfate added is right, but the PH value of wastewater is not right, and there is no optimum range of PH used in the corresponding reagents. The suitable range of PH value is 4-11, and the optimum range of PH value is 6-9. After purification, the change range of PH value and total alkalinity of raw water is small. 4, the type of water purification products is not correct. According to the characteristics of sewage, choose suitable water purifying agent suitable for its own sewage characteristics, such as polyaluminum chloride, polyaluminum chloride, polyaluminum ferric chloride, aluminum chloride, spray polyaluminum chloride, white polyaluminium chloride, etc., and listen to the advice of professional water treatment division, and give their advice. They are all professional. Reasons and Solutions for Floating Matter in the Upper Water Layer of Polyferric Sulfate Used in Sewage Treatment Polyferric sulfate 5. The last point to consider is whether the quality of the polyferric sulfate you use meets the national standards, and whether the various indicators of the polyferric sulfate meet the national standards. At present, the quality of polyferric sulfate is uneven in the market. Compared with the better quality of Polyferric sulfate, the probability of suspended solids will be very low. The better polyferric sulfate has almost no water insoluble solids, so the quality of products is also very important. Microbial activity has a promotive effect, that is, effluent color has an impact. Adding chemical Dephosphorizer to the back of biochemical pond can completely avoid the reaction between various substances in water and dephosphorizer, consume the amount of reagent, and will not reduce the concentration of organic carbon in the influent of biochemical pond, affecting the effect of nitrogen and phosphorus removal by microorganisms. At the same time, it can avoid excessive dosage of phosphorus removal agents, and also make the residual agents into the biochemical system, which will affect the growth of microorganisms.    Adding phosphorus removal flocculant to the outlet of aerobic tank and phosphorus removal agent in front of secondary sedimentation tank can greatly reduce the use of phosphorus removal agent. This is because most phosphorus in wastewater has been removed in the process of biochemical treatment, and phosphorus migration and organic phosphorus are converted into positive phosphorus which can be treated by coagulation, which greatly improves the effect of phosphorus removal and improves the efficiency of phosphorus removal. Reduce the dosage of phosphorus removal agent, reduce sludge production, reduce phosphorus content in sludge. Therefore, chemical phosphorus removal agents are generally added to the biochemical process, before the secondary sedimentation tank, to save the cost of phosphorus removal from wastewater and improve the rate of reaching the standard. ? When in use, the product can be directly added or participated in the dissolving tank, the concentration of which is 10-20%, mixed and pumped into the reaction tank. The product is suitable for a wide range of pH values, especially in acidic conditions. Its application amount is about 100-1000 ppm (i.e. 0.1-1 kg/ton wastewater). According to the different content of phosphate in wastewater, its dosage is different. The detailed dosage is generally determined by experiments. During the experiment, a certain amount of raw water was taken and the product (such as 500 ppm) was added. The pH value of the wastewater was adjusted to 7-8. www.hnldscl.com participated in the flocculation and deposition of a few PAM. The supernatant was filtered to determine the phosphorus content. (If heavy metals need to be treated, the supernatant can be used for secondary treatment.) Reaction of AC/PAM with phosphorus removal agent after stirring? When in use, the product can be directly added or participated in the dissolving tank at the concentration of 10-20%. The product can be mixed and pumped into the reaction tank. The product is suitable for a wide range of pH values, especially in acidic conditions. Its usage is about 100-1000ppm (i.e. 0.1-1 kg/ton wastewater). According to the content of phosphate in wastewater, its dosage is different. The specific dosage is generally determined by experiments. 試驗(yàn)時(shí)取一定量的原水，參加適量的本產(chǎn)品（如500ppm），將廢水pH值調(diào)理至7～8，參加少數(shù)聚丙烯酰胺PAM絮凝沉積，過濾取上清液測定磷的含量。（如需處理重金屬，用上清液進(jìn)行二次處理即可。） FeCl3、及 AlCl3溶液充沛混合均勻后參加NaOH溶液，三者摩爾比為3∶2∶14；混合反響并靜置后濾出生成物，用水重復(fù)洗刷至出水為中性；于100-110℃下烘干并制成尺度均勻的粒狀吸附劑。 該吸附劑的使用，在慣例水處理工藝中增設(shè)吸附除磷工藝，吸附除磷工藝由2-4個(gè)串聯(lián)運(yùn)轉(zhuǎn)的除磷吸附池組成，除磷吸附池結(jié)構(gòu)同濾池，用粒狀復(fù)合鐵鋁除磷吸附劑作濾料，粒徑規(guī)模0.5mm-0.8mm，吸附層厚度為1.0-1.5m，吸附池水力負(fù)荷5m/h-8m/h，空床觸摸時(shí)刻30-40min。該吸附劑除磷適用規(guī)模廣；除污染效能優(yōu)異，再生簡略，質(zhì)料價(jià)格低，易得安全。 PAC/PAM與除磷劑制備辦法 FeCl3及 AlCl3溶液充沛混合均勻后參加NaOH溶液，三者摩爾比為3∶2∶14；混合反響并靜置后濾出生成w物，用水重復(fù)洗刷至出水為中性；于100-110℃下烘干并制成尺度均勻的粒狀吸附劑。 該吸附劑的使用，在慣例水處理工藝中增設(shè)吸附除磷工藝，吸附除磷工藝由2-4個(gè)串聯(lián)運(yùn)轉(zhuǎn)的除磷吸附池組成，除磷吸附池結(jié)構(gòu)同濾池，用粒狀復(fù)合鐵鋁除磷吸附劑作濾料，粒徑規(guī)模0.5mm-0.8mm，吸附層厚度為1.0-1.5m，吸附池水力負(fù)荷5m/h-8m/h，空床觸摸時(shí)刻30-40min。該吸附劑除磷適用規(guī)模廣；除污染效能優(yōu)異，再生簡略，質(zhì)料價(jià)格低，易得安In the experiment, a certain amount of raw water was taken and the product (e.g. 500 ppm) was participated in. The pH value of wastewater was adjusted to 7-8. A few PAM flocculating deposits were participated in. The content of phosphorus in the supernatant was determined by filtration. (If heavy metals need to be treated, the supernatant can be used for secondary treatment.) FeCl3, AlCl3 and AlCl3 solutions were mixed in NaOH solution with a molar ratio of 3:2:14; the product was filtered after mixing reaction and standing, and washed repeatedly with water until the effluent was neutral; the granular adsorbent was dried at 100-110 ~C and made into uniform size. The adsorbent is used to remove phosphorus by adsorption in conventional water treatment process. The adsorbent consists of 2-4 series operation phosphorus removal adsorbents. The structure of the adsorbent is the same as that of the filter. The particle size of the adsorbent is 0.5mm-0.8mm, the thickness of the adsorbent layer is 1.0-1.5m, and the hydraulic force of the adsorbent is negative. Load 5 m/h-8 m/h, empty bed touching time 30-40 min. The adsorbent has wide application scale for phosphorus removal, excellent pollution removal efficiency, simple regeneration, low material price and easy to obtain safety. Preparation of PAC/PAM and Phosphorus Removal Agent FeCl3 and AlCl3 solutions were mixed in NaOH solution with a molar ratio of 3:2:14. After mixing and standing, W was filtered and washed repeatedly with water until the effluent was neutral. The granular adsorbent was dried at 100-110 C and made into uniform size. The adsorbent is used to remove phosphorus by adsorption in conventional water treatment process. The adsorbent consists of 2-4 series operation phosphorus removal adsorbents. The structure of the adsorbent is the same as that of the filter. The particle size of the adsorbent is 0.5mm-0.8mm, the thickness of the adsorbent layer is 1.0-1.5m, and the hydraulic force of the adsorbent is negative. Load 5 m/h-8 m/h, empty bed touching time 30-40 min. The adsorbent is suitable for phosphorus removal on a wide scale, with excellent pollution removal efficiency, simple regeneration, low material price and easy access to safety. FeCl3、及 AlCl3溶液充分混合均勻后參加NaOH溶液，三者摩爾比為3∶2∶14；混合反響并靜置后濾出生成物，用水反復(fù)洗刷至出水為中性；于100-110℃下烘干并制成尺度均勻的粒狀吸附劑。該吸附劑的使用，在常規(guī)水處理工藝中增設(shè)吸附除磷工藝，吸附除磷工藝由2-4個(gè)串聯(lián)運(yùn)轉(zhuǎn)的除磷吸附池組成，除磷吸附池結(jié)構(gòu)同濾池，用粒狀復(fù)合鐵鋁除磷吸附劑作濾料，粒徑規(guī)模0.5mm-0.8mm，吸附層厚度為1.0-1.5m，吸附池水力負(fù)荷5m/h-8m/h，空床觸摸時(shí)間30-40min。該吸附劑除磷適用規(guī)模廣；除污染效能優(yōu)異，再生簡單，質(zhì)料價(jià)格低，易得安全。 河道治理用的除磷劑適用規(guī)模 1、用于生活污水處理廠除磷，特別是合適中磷段污水處理； 2、合適于含外表處理工藝的工業(yè)廢水； 3、用于食品廠廢水； 4、用于制藥、造紙、農(nóng)藥、化肥廠的廢水處理。 5、用于廢物填埋廠廢物滲濾液處理。After fully mixing and homogenizing AlCl3 solution, NaOH solution was added with a molar ratio of 3:2:14; the product was filtered after mixing and standing, and washed repeatedly with water until the effluent was neutral; the granular adsorbent was dried at 100-110 (?) C and made into uniform size. The adsorbent is used to remove phosphorus by adsorption in conventional water treatment process. The adsorbent consists of 2-4 series operation phosphorus removal adsorbents. The structure of the adsorbent is the same as that of the filter. The particle size of the adsorbent is 0.5mm-0.8mm, the thickness of the adsorbent layer is 1.0-1.5m, and the hydraulic force of the adsorbent is negative. Load 5 m/h-8 m/h, empty bed touch time 30-40 min. The adsorbent has wide application scale for phosphorus removal, excellent pollution removal efficiency, simple regeneration, low material price and easy safety. Application Scale of Phosphorus Removal Agents for River Regulation 1. It is used for phosphorus removal in domestic sewage treatment plants, especially for medium phosphorus section sewage treatment. 2. Suitable for industrial wastewater containing surface treatment process. 3. Wastewater from food factories; 4. Wastewater treatment in pharmaceutical, papermaking, pesticide and fertilizer plants. 5. Waste leachate treatment in waste landfill plants. 般為編織袋或牛皮紙袋，防潮，防漏，相對堅(jiān)韌。主要規(guī)格為聚丙烯酰胺5公斤/袋或25公斤/袋。 |
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