' 自来水厂处理絮凝剂、油田化学品造纸助剂pam聚丙烯酰胺
聚丙烯酰胺
聚丙烯酰胺是水溶性高分子聚合物，外观为白色或微黄色粉粒，容易吸水，长期受热分解，分解温度在200℃以上，在无氧条件下，210℃炭化为黑色粉末。不溶于大多数有机溶剂，具有良好的絮凝性，可以降低液体之间的磨擦阻力，离子特性可分为非离子、阴离子、阳离子和两性型四种类型。
聚丙烯酰胺是重要的水溶性聚合物，而且兼具絮凝性、增稠性、剪切性、降阻性、分散性等宝贵性能。这些性能随着衍生物离子的不同而各有侧重。因而在采油、选矿、洗煤、冶金、化工、造纸、纺织、制糖、医药、环保、建材、农业生产等部门都有广泛的使用。
无机高分子絮凝剂，主要用于净化饮用水和给水的特殊水质处理，如除铁、除氟、除镉、除放射性污染、除漂浮油等；也可用于工作废水处理，如印染废水等；还可用于精密铸造、医药、造纸、制革等，和有机絮凝剂配合使用效果更佳，处理后水的cod和色度指标会有明显的改善。
1、工业废水处理：适用于悬浮颗粒较粗、浓度高、粒子带阳电荷，水的ph值为中性或碱性的污水、钢铁厂废水、电镀厂废水、冶金废水、洗煤废水等污水处理。
2、饮用水处理：我国很多自来水厂的水源来自江河。泥沙及矿物质含量高，比较混浊，虽经过沉淀过滤，仍不能达到要求，需要投加絮凝剂。过去水厂采用无机絮凝剂，但投加量大，造成污泥量增大，效果不好。采用阴离子聚丙烯酰胺作絮凝剂，投加量是无机絮凝剂的1/50，但效果是无机絮凝剂的数倍。对于有机物污染严重的江河水和阳离子聚丙烯酰胺配合使用效果更好。
3、油田三次采油的驱油剂：可以调节注入水的流变性，增加驱动液的粘度，改善水驱波及效率，降低地层中水相渗透率，使水和油能匀速地向前流动。其作用在石油开采方面，主要用于油田的三次采油。每注入一吨高分子聚丙烯酰胺产品，可多采原油100-150吨左右。
钻井泥浆材料：在油田的勘探开发以及地质水利煤炭的勘探中，用作钻井泥浆材料的添加剂，可以提高钻头的使用寿命，提高钻速和进度，减少换钻时的堵塞，防井塌效果明显。还可用作油田的压裂液及调剖堵水的堵水剂。
4、造纸助剂：造纸行业可用作烧碱的澄清、助留剂、助滤剂、纸张干湿强度增强剂。
5、制糖行业中用做糖汁澄清剂。
6、可用作水产饲料中的添加剂及黏结剂。
阴离子型pam质量指标
阳离子型pam质量指标
指标名称
指标
指标名称
指标
固含量%
≥90
固含量%
≥90
分子量m
400-1000
分子量m
800-2000
残单含量%
≤3
水解度m
5-30
水不溶物％
≤0.2
残单含量%
≤1
ph值
10-12
水不溶物％
0.2
水溶时间h
1-2
水溶时间h
≤2
1、絮团的大小：絮团太小会影响排水的速度，絮团太大会使絮团约束较多水而降低泥饼干度。经过选择聚丙烯酰胺的分子量能够调整絮团的大小。
2、污泥特性：第一点理解污泥的来源，特性以及成分，所占比重。依据性质的不同，污泥可分为有机和无机污泥两种。阳离子聚丙烯酰胺用于处置有机污泥，相对的阴离子聚丙烯酰胺絮凝剂用于无机污泥，碱性很强时用阳离子聚丙烯酰胺，而酸性很强时不宜用阴离子聚丙烯酰胺，固含量高时污泥通常聚丙烯酰胺的用量也大。
3、絮团强度：絮团在剪切作用下应坚持稳定而不破碎。进步聚丙烯酰胺分子量或者选择适宜的分子构造有助于进步絮团稳定性。
4、聚丙烯酰胺的离子度：针对脱水的污泥，可用不同离子度的絮凝剂经过先做小试进行挑选，选出最佳适宜的聚丙烯酰胺，这样即能够获得最佳絮凝剂效果，又可使加药量最少，节约本钱。
5、聚丙烯酰胺的溶解：溶解良好才能充分发挥絮凝作用。有时需求加快溶解速度，这时可思索进步聚丙烯酰胺溶液的浓度。
包装
聚丙烯酰胺采用15kg、25kg,pp袋或纸复合袋包装，也可依照客户要求包装。堆码层数不得超过20层，保质期为2年，产品需存放阴凉避光处。
pam introduction:
pam is a water-soluble polymer, the appearance of a white or yellowish powder, easy to absorb water, long-term thermal decomposition, the decomposition temperature above 200 ℃, under anaerobic conditions, 210 ℃ carbonized black powder. insoluble in most organic solvents, has good flocculation, can reduce the frictional resistance between the liquids, ionic character can be pided into non-ionic, anionic, cationic and amphoteric four types.
pam is an important water-soluble polymer, and both flocculation, valuable performance thickening, shear resistance, drop resistance, dispersion and so on. these properties vary derivative ions and different emphases. thus in oil, mineral, coal, metallurgy, chemicals, paper, textiles, sugar, medicine, environmental protection, building materials, agricultural production and other departments have a wide range of use.
inorganic polymer flocculant, mainly used for the purification of drinking water supply and special water treatment, such as iron, fluoride, with the exception of cadmium, in addition to the radioactive contamination, in addition to floating oil; can also be used for wastewater treatment work, such as dyeing wastewater; can also be used for precision casting, pharmaceutical, paper, leather, etc., and with the use of better organic flocculants, water cod and color indicators have improved significantly after treatment.
pam usages:
1, industrial wastewater treatment: for coarse particles suspended high concentration of particles with a positive charge, the water ph value is neutral or alkaline water, iron and steel plant wastewater, electroplating factory wastewater, wastewater metallurgy, coal washing waste water sewage treatment .
2, drinking water treatment: a lot of water from the river water plant. sediment and mineral content, more turbid, though filtered through sedimentation, still can not meet the requirements, the need flocculant dosing. past water using inorganic flocculants, but dosing volume, resulting in sludge volume increases, the effect is not good. anionic polyacrylamide as a flocculant, inorganic coagulant dosage is 1/50, but the effect is the inorganic coagulant several times. for serious organic pollution of river water and with the use of cationic polyacrylamide better.
3, driving oil eor oil: you can adjust the water injection rheology, increasing the viscosity of the driving fluid, improve waterflood sweep efficiency and reduce the formation of water permeability, water and oil can flow forward uniform. its role in the oil, mainly used for tertiary oil recovery field. each ton of polymer injected polyacrylamide products, much more expensive than 100-150 tons of crude oil.
drilling mud material: the exploration and development of oil fields and geological exploration of coal in water conservancy, used as a drilling mud additive materials can improve the life of the drill bit, increase drilling speed and progress, reduce congestion change when drilling, borehole collapse prevention effect is obvious . also be used as a fracturing fluid and water shutoff profile plugging agent field.
4, paper chemicals: caustic soda can be used to clarify the paper industry, retention aid, aid, the paper wet strength enhancer.
5, the sugar industry is using to make juice clarifying agent.
6, can be used as aquaculture feed additives and adhesives.
production specifications
anionic pam index
cationoic pam index
item
index
item
index
solid-content%
≥90
solid-content%
≥90
formula weight m
400-1000
formula weight m
800-2000
the residual content of single %
≤3
degree of hydrolysis m
5-30
water insoluble％
≤0.2
the residual content of single %
≤1
ph
10-12
water insoluble％
0.2
water soluble time h
1-2
water soluble time h h
≤2
packing
package: polyacrylamide using 15kg, 25kg, pp bag or paper bag packaging, can also be packaged according to customer requirements. stacking shall not exceed 20 layers, the shelf life of two years, the product should be stored in a cool dark place.
precautions
1, the size of the floc: the floc is too small will affect the rate of drainage, floc floc constraints make much more water and reduce mud biscuits. after selecting the molecular weight polyacrylamide can adjust the size of the floc.
2, sludge characteristics: the first point to understand the source of sludge characteristics and composition, proportion. depending on the nature of the different sludge can be pided into two kinds of organic and inorganic sludge. cpam for disposal of organic sludge, relative anionic polyacrylamide flocculant for inorganic sludge, highly alkaline when using cationic polyacrylamide, and should not use the anionic polyacrylamide highly acidic, solid content high amount of sludge is usually too big of polyacrylamide.
3, floc strength: floc under shear stability should persist without breaking. advances in molecular weight polyacrylamide or select the appropriate molecular structure helps to progress floc stability.
4, the degree of ionic polyacrylamide: for dewatered sludge, flocculant available through different ion degrees do first small test selection, select the best suitable polyacrylamide, so that to obtain the best results flocculant, but also make the least amount of dosing, saving costs.
5, dissolved polyacrylamide: good to be fully dissolved flocculation. sometimes needs to speed up the dissolution rate, then progress can be thought of polyacrylamide concentration of the solution.
wenxian county hongfa activated carbon water treatment company.
telephone number：0086 0371 60268806
mobile phone number：15938733855
address：wen county beileng industrial zone,wen county,henan,china
postcode：454850
website：http://www.wxhfhxt.com
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移动电话：15938733855
地 址：中国 河南 温县 温县北冷工业区
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温县宏发活性炭水处理有限公司
吴涛
15938733855
温县温县北冷工业区