1) neutralization solution
中和液
1.
PAM could significantly improve the sedimentation performance of the neutralization solution in the first step,when the dosage was 0.
针对黄姜皂素废水中和预处理中存在的沉淀效率低的问题,通过试验研究了PAM对黄姜皂素废水中和液沉淀效果的改善作用。
2) neutralizing solution
中和溶液
3) neutralization liquid
中和料液
1.
According to scientific experiments and improvements on the manufacturing technique of monosodium glutamate(MSG),the concentration of the neutralization liquid was improved from 22°Bé to 28°Bé,and the highest concentration of the liquid in the neutralization tank reached 30°Bé.
通过科学实验和对生产工艺的调整改造,将味精生产中的中和料液浓度从22°Bé提到至28°Bé,单个中和罐料液最高浓度可达30°Bé。
4) liquid waste neutralizer tank
废液中和箱
5) neutralizer solution
中和剂溶液
6) neutralized exhaust gas condensate
中和废气冷凝液
1.
Determination of trace ammonium nitrate from neutralized exhaust gas condensate was achieved by reaction of ammonium ion with Nesslers reagent after removal of ammonia by heating, and then analyzed by spectrophotometry at 420 nm.
中和废气冷凝液经加热除氨后 ,纳氏试剂与NH4+显色反应 ,用分光光度法测定样品中微量NH4NO3 。
补充资料:中和剂
中和剂
neutralization agent
Zhongheji中和剂(neutralization agent)用以调节溶液pH值至7左右的化学物质。碱性废水(通常指pH>9的废水)常用硫酸作中和剂。个别情况下选用盐酸或硝酸。有足量烟道气时,由于它含有CO:和50:等酸性物质,也可选用。酸性废水(通常指pH<6的废水)采用石灰、苛性钠、碳酸钠、石灰石、白里、白云石等作中和剂。其中前三种制成乳液或溶液进行投加,后三种制成滤料使用。石灰石(C aC03)滤料与含硫酸中和效果。此时宜选用白云石(C aC()3·MgCO3)。碱较多的废水接触时、滤料表面易生成硫酸钙硬壳,影响性中和剂可参照下表选用。 碱性中和剂适用条件导一牛 注:1.表中‘·+”表示建议采用;“0”表示可以采用;“一”表示不宜采用; 2.升流膨胀石灰石中和滤池.中和硫酸废水时,含酸浓度不宜大于29/l。 (周开君)
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