盐垢

The scaling on equipment and pipeline of WPA filtration unit is caused by the precipitation of potassium and sodium fluosilicate when the temperature of acid decreases.

分析湿法磷酸过滤设备与管道结垢的主要原因是氟硅酸钾，钠盐因磷酸液相温度下降而沉积下来。

The countermeasure is to introduce additives, refraining or inducing the precipitation of potassium and sodium fluosilicate. 5 additives are found effective and the desirable one is E, 70% anti-scaling efficiency scales can be avoid at the dose of 0.5 g/100 g phosphate rock.

提出采用添加剂，抑制或提前析出氟硅酸钾，钠盐，同时进行了5种添加剂的实验室研究：均有较好的阻垢效果，但最终选择添加剂E，阻垢率可达70%以上，添加量以0.5 g/100 g磷矿为宜。

Via the reacher on LJ-1, we know its water solubility is good,without emulsion inclination, has temperature＆salt-resistant ability,when it used with Zinc dihydrogen phosphate, sodium sulfite and scale inhibitors, the corrosion inhibitor effectiveness can enhanced,when used with Thiourea the corrosion inhibitor effectiveness can decrease,so it can not used with thiourea.

通过对LJ-1缓蚀剂进行性能评价，发现本品水溶解性较好；无乳化倾向性；具有一定的抗温性和抗盐性；将它与磷酸二氢锌、亚硫酸钠和阻垢剂进行复配时，能提高缓蚀剂的缓蚀效果，说明它的配伍性良好，当与硫脲复配时，它的缓蚀效果有所降低，说明它与硫脲不能复配使用。

In this paper, we analyzed the larch extract tannin, aminom ethylation of larch extract tannin, quaternization of cationic larch extract tannin and amphoteric larch extract tannin (sulfonation of the larch extract tannin quaternary ammonium) by infrared spectral analysis, confirmed the quarternization and sulfonate groups, and measured its water treatment properties such as flocculation, scale inhibition, results showed that quaternization of larch extract tannin and amphoteric larch extract tannin have better water treatment ability, can realize the multifunction.

本论文采用红外光谱法对落叶松单宁、胺甲基化落叶松单宁、阳离子落叶松单宁季胺盐、两性落叶松单宁进行了化学结构分析，并对其水处理剂性能如絮凝、阻垢进行了检测。实验结果表明：落叶松单宁季胺盐和两性落叶松单宁均具有较佳的水处理能力，是性能良好的一剂多效工业水处理剂。

In order to solve the problem of different kind of scale in oilfield water system, we use a combination of PESA and PBTCA and AA/HPA as a water treatment agent add to the oilfield water system.

为进一步提高阻垢剂的阻垢性能，对PESA与PBTCA、AA/HPA进行复配，得到的阻垢剂对油田中存在的主要垢盐均有良好的阻垢性能。

To select the inhibitor component used to produce solid inhibitor,7 types of phosphonate scale inhibitor s are evaluated,and HEDP is proved to be most effective and have a rather good properity of heat-stability.

为筛选制作这种固体块所需的材料，评价了7种膦酸盐防垢剂，发现羟基乙叉二瞵酸对碳酸钙垢具有较高的防止能力，且热稳定性好。

For chemical processes, focus is on the relation between the added concentration and the anti-scale effect of acidification, inorganic phosphate and organic phosphonate and comparing the anti-scale effects among different kinds of chemicals.

对于化学阻垢技术，着重点放在研究酸化、无机磷酸盐阻垢剂及有机膦酸盐阻垢剂的投加浓度与阻垢效果的相关关系，并且比较不同阻垢剂的阻垢效果的差异。

It can be used as dispersant in pour-cooling water if iron and steel plants, and also used together with organic phosphonate and zine salts in circulation cooling water with high hardness and high alkality.

用于钢铁厂淋洗的冷却水，防止氧化铁、化锌和泥沙沉积，以及用于高碱度循环冷却水中与有机膦酸盐、复配的阻垢缓蚀剂。

The progress in the application of polyaspartic acid and its derivatives in scale inhibition,viscosity reduction,fertilizer synergism and super-absorbing networks were described in this article. polyaspartic acid ; synthesis ; scale inhibition ; viscosity reduction ; fertilizer synergia ; water-absorbing resin

聚天冬氨酸可以改变钙盐的晶体结构，是一种优良的阻垢分散剂，用于循环冷却水系统、锅炉及油气田水处理[1～3]；聚天冬氨酸具有良好的降粘作用[4]；聚天冬氨酸作为肥料增效剂，能促进植物生长[5，6]；它还具有优良的保湿性能，用于日用化妆品和保健用品的制造[7]；由聚天冬氨酸可制备高吸水树脂[8～10]；另外，由聚天冬

The reactor is set with side sampling mouth able to collect the samples in different positions of the reactor, and has backflushing part able to regularly wash the catalyst in the reactor, effectively the salt stain problem always occurring in the course of wet-oxidizing actual high-concentration organic industrial waste water.

反应器设有侧线取样口，可以采集反应器不同位置的样品，反应器具有反冲洗部分，可以定期清洗反应器内的催化剂，有效地解决实际高浓度有机工业废水湿式氧化中经常出现的盐垢问题。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。