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A process for treating the sludge generated by alumina sewage treating system incldues such steps as pumping the alumina sewage in sand depositing pool then in depositing pool, mixing the bottom sludge, the sewage from sand-water separator, and the regenerated water from filter to obtain backflush water, heating in desilicating heater, washing the secondary red mud to recover Na2O and Al2O3, anjd returning the washing liquid containing Na2O and Al2O3 back to the flow of production of alumina.

本发明公开了一种氧化铝废水处理系统的污泥处置新工艺，它将氧化铝废水先进入沉砂池中进行沉砂处理后才进入沉淀池中，将虹吸泥机从沉淀池中吸出的底流污泥和砂水分离器分离出的污水以及将部分经过滤器过滤后所得的再生水作为反冲洗水一起通过污泥泵送到脱硅加热器中加热得污泥热水，然后将污泥热水用于二赤泥洗涤沉降，以回收赤泥附着的Na2O和Al2O3，将洗涤赤泥后含有Na2O和Al2O3的洗液送到氧化铝生产流程中重新使用。

From 93 to begin production barium hydroxide products so far, the company re-technology, and management is the production of "Pui-yu," licensing eight water barium hydroxide, a water barium hydroxide powder, a crystal water barium hydroxide, barium borate partial , barium carbonate, thiourea, and other products exported to the United States, Japan, Europe, South Africa, Southeast Asia, Taiwan, and other countries and regions.

从93年开始生产氢氧化钡产品至今，公司重科技、抓管理，现生产的"榆贝"牌八水氢氧化钡、粉体一水氢氧化钡、晶体一水氢氧化钡、偏硼酸钡、碳酸钡、硫脲等产品，远销美国、日本、欧洲、南非、东南亚、台湾等国家和地区。

I have eight main products plant water barium hydroxide, a water barium hydroxide powder, a crystal water barium hydroxide, barium borate partial, thiourea, barium carbonate, barium chloride, barium nitrate, after I plant refined products up to no chlorine, no sodium, low Sr, low iron.

我厂主要产品有八水氢氧化钡、粉体一水氢氧化钡、晶体一水氢氧化钡、偏硼酸钡、硫脲、碳酸钡、氯化钡、硝酸钡等，经过我厂精制的产品可达无氯、无钠、低锶、极低铁。

The lake water became a part of pore water in the sediment and is gradually evolved into modern shallow groundwater, which is the main supply water for residents'living.2. Chemical characteristics of high As groundwater have been evaluated. Arsenic concentrations in shallow groundwaters from the Hetao Basin of Inner Mongolia range between 0.6 and 572μg/L.

湖泊在消亡过程中，高度浓缩的富含砷的湖水被埋藏、保存到沉积物的空隙中，成为区域地下水的一部分，经长期演化形成了今天的高砷水，也是当地居民的取水层位。2。

I am saved (show Liaoning is saved, similarly hereinafter) direct or the population that has close 2/3 is indirect water of drinkable distant river, how does distant river water quality install complete be closely bound up with the drinking water of common people.

辽河我省有近2/3的人口直接或间接饮用辽河水，辽河水质如何与老百姓的饮用水安全息息相关。记者从5月21日召开的辽宁中部七城市人大常委会依法推进辽河流域水污染治理协调行动主任会议上获悉：年内，包括沈阳在内的全省14个市都将划定饮用水源保

There is thus a severe shortage of water, so desalination plants have to be used to make fresh water from sea water.

所以出现了严重的缺水，人们必须使用水净化工厂从海水中制造淡水。15。

Once a day when the red water, and food plot should be lit on the baby to drink plenty of water, do not like to drink plenty of water to drink Khan watermelon juice, sweet, baby drink.

每天冲一次当水喝，而且积食上火就应该给宝宝多喝水，不爱喝水给榨西瓜汗喝，甜的，宝宝爱喝。

Qingdao pipeline expert specialized hot line; 13012952726 provide the pipelining service; After installment service replacement hot and cold pipeline, place bedpan, the water tank, the hand wash basin, the water heater, the galvanized pipe, the aluminum model the tube, the pvc tube, the pp-R multiple-unit tube, the hot air pipe, the valve, the water cock, the inside and outside wall leakage, the machinery opening sewer, to replace the floor drain

青岛管道专家专业热线电话；13012952726提供管道安装维修；安装维修更换冷热水管道、座便器、后水箱、洗手盆、热水器、镀锌管、铝塑管、pvc管、pp-R复合管、暖气管、阀门、水龙头、内外墙渗漏、机械疏通下水、更换地漏、另外我们有节水型、直排式、虹吸式座便器全部按出厂价自销、五金配件保修五年。

Since the development of the product, on a global scale flood control berm widely used in water conservancy, water and soil conservation, anti-seepage, urban landscaping, slope protection of the railway, Culvert protection, pipeline protection, waste water impermeable savings, environmental protection and many other fields of expertise.

自产品问世以来，在全球范围内广泛应用于水利防洪护堤、水土保持、防渗、城市环境美化、公铁路护坡、涵管防护、管线防护、废液储蓄防渗、环境保护等诸多专业领域。

Water resistant plasterboard: its core board and protective paper is waterproof, according to gb, water resistant plasterboard of face plate cores and all must meet waterproof demand (surface water quantity is not more than 160 grams, bibulous rate is no more than 10%).

耐水纸面石膏板：其板芯和护面纸均经过了防水处理，根据国标的要求，耐水纸面石膏板的纸面和板芯都必须达到一定的防水要求（表面吸水量不大于160克，吸水率不超过10％）。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。