FIELD: process engineering.;SUBSTANCE: invention relates to reduction of water temporary hardness and may be used in heat exchangers and boilers. Proposed method comprises brings effects of cavitation pressure pulses amplified by nonparametric effects on water. Said cavitation is initiated in processed ...
1 Observation Calculation Hardness as CaCO3=V1x S x 1000mg / L V 3 3 Hardness as CaCO3=1000 V1= ...mg / L V Results
hardness removal effect of electrochemical water treatment technology for reclaimed water in order to provide a possible method for reclaimed water treatment used in drip irrigation that could prevent emitter clogging.An electrochemical system was designed,which included a power supply,a pump,a ...
Wear is a common issue in the operation of emulsion pumps. When it becomes severe, it can lead to machine downtime and economic losses. This paper aims to investigate the wear phenomenon on the slideway of emulsion pumps using Archard’s wear model and t
CONSTITUTION: A washing method of a washing machine is composed of steps for putting the laundry, detergents, and water into a washing tub(S11); sensing the hardness of the inserted water; setting the detected hardness of the water at a random value; and washing the laundry according to a ...
The present invention relates to control of water hardness methods, devices and compositions. 该方法,设备和组合物还减少结垢形成. The method, apparatus and compositions also reduces the formation of scale. 本发明包含基本上水不溶性树脂材料. The present invention includes a substantially water-insoluble...
This invention relates to means and a method for automatically indicating changes in the condition of fluids and is adapted for numerous uses such as testing for the hardness of water, detecting an excess of regenerating fluid or brine in the softened water after regeneration and indicating...收藏...
Surfactant oil recovery process usable in high temperature formations containing high salinity water Many petroleum-containing formations contain high salinity and/or hard water and have temperatures from 150° F. to 300° F. Many surfactants known f... RD Shupe - US 被引量: 92发表: 1976年 AMI...
SIMPLIFIED SOLAR HEAT HOT-WATER HEATER PURPOSE:To obtain the solar heat hot-water heater, capable of being installed by a work like a Sunday carpentry, simple, easy to handle and weather-proof, by a reasonable and simplest structure with an inexpensive cost by a method wherei... I Nobuharu...
Groundwater Volume 14, Issue 1, pages 28–29, January 1976 Additional Information How to Cite Hall, D. M. and Smith, R. F. (1976), Increasing the End-Point Resolution of the EDTA Titrimetric Method for Determining Water Hardness. Ground Water, 14: 28–29. doi: 10.1111/j.1745-6584.197...