2020年對多納多來說注定是艱難的一年，眼淚，情緒和勝利后短暫的喜悅面對全也是必不可少的。目前，工業廢水還分為兩種加工方式：酸和弱堿。 這種受水污染的廢水由于其酸和堿性質而具有很強的腐蝕性，并且干擾了加工技術，這會影響水質。因此，近年來，人們經常使用物理化學方法來連續處理和調節水的pH值。它主要用化學添加劑處理。使用理化附聚氯化鋁處理酸堿水污染廢水：聚集氯化鋁適用于酸度和堿度界限極，因此近年來工業化已被用作酸堿廢水處理的調節劑PH value is the key value of water treatment level. For the treatment and adjustment of various types of wastewater, the pH value is also essential. At present, industrial wastewater is also divided into two processing methods: acid and weak alkali. The wastewater polluted by water has strong corrosiveness because of its acidity and alkalinity, and interferes with the processing technology, which will affect the water qu很多人不清楚高純聚合氯化鋁對人體健康是否有危害，以及危害性，這里可以為您提供此問題，并詳細介紹高純聚合氯化鋁和身體接觸是否有危害。
ality. Therefore, in recent years, people often use physical and chemical methods to continuously treat and adjust the pH value of water saving. It is mainly treated with chemical additives. Physicochemical agglomerated polyaluminium chloride is used to treat acid-alkali wastewater. The agglomerated aluminium chloride is suitable for the extreme limit of acidity and alkalinity. Therefore, industrialization has been used as a regulator for acid-alkali wastewater treatment in recent years.
Polychloride is mainly due to the acidity and alkalinity of water, it has strong adhesion and dehydration characteristics. It has high removal rate of sewage components and is suitable for clean water, which is favored by customers. The advantages of physicochemistry and ant effect is particularly obvious. With the gradual maturity of acid-alkali wastewater treatment technology, there are many processing technologies, and now acid-alkali wastewater has also been treated.。
主要是聚氯化物由于水體的酸度和堿度，它具有很強的附著力和脫水特性。它對污水成分的去除率高，適用于潔凈水，深受客戶青睞。 加工酸化廢水的物理化學和團聚氯化鋁工藝的優勢：相對酸性的水污染廢水的處理需要根據酸水平測量聚集的氯化鋁濃度，而堿性廢水的處理相對容易因為在弱堿條件下，可以充分發揮聚氯化鋁的作用，使清水中的污染物迅速凝結沉淀，不需要添加額外的助劑，酸性水污染廢水需要添加中和劑以加強處理。目前，與許多處理工藝相比，使用物理化學聚氯化鋁的選擇相對較好，處理效果尤為明顯。隨著酸堿廢水處理技術的逐步成熟，加工技術有很多，現在酸堿廢水也已被處理掉。
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系！
在正常情況下，聚丙烯酰胺的分子量越高，粘度越大，因為聚丙烯酰胺大分子是細小的長鏈狀體，并且在溶液中的運動阻力很大。粘度的本質是溶液中的摩擦量，也稱為內摩擦系數。各種高分子有機化合物的溶液具有高粘度并隨著分子量的增加而增加。
生化末端 沒有影響，何況少量的鐵鹽能夠對Phosphorus 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
關于污水處理使用聚合硫酸鐵上水層出現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
運用時可將本產品直接投加，或先參加溶解罐，濃度為10～20%，拌和，用泵投加到反響池。本產品適用的pH值規模廣，在酸性條件下運用效果尤佳，運用量約為100～1000ppm（即0.1～1公斤/噸廢水），依據廢水中磷酸根的含量不同其用量有所差異，詳細用量一般通過試驗斷定。
試驗時取一定量的原水，參加適量的本產品（如500ppm），將廢水pH值調節至7～8，www.hnldscl.com參加少數聚丙烯酰胺PAM絮凝沉積，過濾取上清液測定磷的含量。（如需處理重金屬，用上清液進行二次處理即可。）AC/PAM與除磷劑攪拌后的反應？使用時可將本產品直接投加，或先參加溶解罐，濃度為10～20%，拌和，用泵投加到反響池。本產品適用的pH值規模廣，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，具體用量一般經過試驗斷定。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.
試驗時取一定量的原水，參加適量的本產品（如500ppm），將廢水pH值調理至7～8，參加少數聚丙烯酰胺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吸附除磷工藝，吸附除磷工藝由2-4個串聯運轉的除磷吸附池組成，除磷吸附池結構同濾池，用粒狀復合鐵鋁除磷吸附劑作濾料，粒徑規模0.5mm-0.8mm，吸附層厚度為1.0-1.5m，吸附池水力負荷5m/h-8m/h，空床觸摸時刻30-40min。該吸附劑除磷適用規模廣；除污染效能優異，再生簡略，質料價格低，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吸附除磷工藝，吸附除磷工藝由2-4個串聯運轉的除磷吸附池組成，除磷吸附池結構同濾池，用粒狀復合鐵鋁除磷吸附劑作濾料，粒徑規模0.5mm-0.8mm，吸附層厚度為1.0-1.5m，吸附池水力負荷5m/h-8m/h，空床觸摸時刻30-40min。該吸附劑除磷適用規模廣；除污染效能優異，再生簡略，質料價格低，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，在常規水處理工藝中增設吸附除磷工藝，吸附除磷工藝由2-4個串聯運轉的除磷吸附池組成，除磷吸附池結構同濾池，用粒狀復合鐵鋁除磷吸附劑作濾料，粒徑規模0.5mm-0.8mm，吸附層厚度為1.0-1.5m，吸附池水力負荷5m/h-8m/h，空床觸摸時間30-40min。該吸附劑除磷適用規模廣；除污染效能優異，再生簡單，質料價格低，易得安全。
河道治理用的除磷劑適用規模
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廢水；
3、用于食品廠廢水；
4、用于制藥、造紙、農藥、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.
