摘要:
A wastewater treatment equipment of an embodiment of the present invention neutralizes a WTBT 12 by introducing the WTBT 12 containing fluorine components to a first treatment tank 11A and by introducing an NaOH solution from a second path P2 and so on. The fluorine components contained in the WTBT 12 is then fixed as calcium fluoride by adding calcium components to the WTBT 12 stored in a second treatment tank 11B. Furthermore, MTBR like calcium fluoride are separated from the WTBT in a third treatment tank 11C. The separated MTBR are rinsed and dewatered in a filter press 17.
摘要:
An object is to provide an ozone production device capable of producing ozone in an electrolysis target liquid easily without performing any laborious assembly operation and with a high efficiency. In the ozone production device, a voltage is applied between an anode and a cathode, and ozone is produced in the electrolysis target liquid by electrolysis, the anode is integrated with the cathode via a predetermined interval without separating the anode from the cathode, and an electrolytic portion is constituted. Moreover, the anode and cathode comprise water-permeability members (mesh form) capable of passing the electrolysis target liquid.
摘要:
A biological oscillating device comprises a lipid-impregnated membrane which is disposed in an electrolyte solution and in which is buried an ion channel having a selectivity opposite to that of the lipid-impregnated membrane, and an electrode provided for transmitting a membrane potential of the lipid-impregnated membrane in the form of an electrical signal. When a membrane potential is caused across the lipid-impregnated membrane by the application of an electric current via an eletrode, or by the activation of the ion pump, an ion pump, an ion channel opens once the magnitude of the membrane potential reaches the active potential of the ion channel, whereby the membrane potential is accordingly eliminated. Upon the elimination of the membrane potential, the ion channel is closed to allow the membrane potential to be again raised. Then, once reaching the active potential of the ion channel, the ion channel reopens so that the membrane potential is correspondingly eliminated. Through the repetition of such procedures, an oscillating electrical signal can be generated.
摘要:
Provided are a treatment apparatus for removing fluorine content from water to be treated and a method of treating water to be treated using the same. Water to be treated, containing fluorine, is introduced into a treatment tank over a first path. Slaked lime is added to the water to be treated over a second path. Calcium chloride is added to the water to be treated over a third path. Thus, the fluorine contained in the water to be treated combines with calcium forming slaked lime or calcium chloride, thus yielding calcium fluoride, which is immobilized. When a filter film immersed in the water to be treated is used for filtration, the calcium fluoride contained in the water to be treated is concentrated.
摘要:
There is here disclosed a wastewater treating technique for treating nitrogen compounds in a for-treatment wastewater by an electrochemical technique, wherein at least portions of a pair of electrodes is immersed in the for-treatment wastewater; a material of one electrode constituting an anode is an insoluble conductor; and a material of the other electrode constituting a cathode is an element in the group VIII of the periodic table, a conductor containing the element in the group VIII, or a conductor covered with the element in the same group or the conductor containing the element in the same group.
摘要:
Object of the preferred embodiment is to remove sol-form microparticles and nitrogen components contained in CMP wastewater. Sol-form microparticle components contained in CMP wastewater are removed by a filtration treatment using a filter device 13, having a gel-form second filter. Also, nitrogen components in the CMP wastewater are removed by an electrochemical treatment using electrode 12. The filtration treatment and the electrochemical treatment can be carried out in individual tanks or can be carried out in the same tank. By performing the filtration treatment and the electrochemical treatment in the same tank, a space-saving water treatment device can be provided.
摘要:
An object is to provide an electrolyzing electrode capable of electrolyzing water with a low current density to thereby produce ozone water with a high efficiency. An ozone producing electrode comprises: a substrate; and a surface layer formed on the surface of the substrate and including a dielectric material, and the surface layer is formed to have a thickness which is larger than 0 and is 2000 nm or less. Especially, the substrate is constituted of a conductive material, the dielectric material constituting the surface layer is made of a tantalum oxide or an aluminum oxide, and an electrolytic solution is electrolyzed with the low current density to thereby produce ozone with the high efficiency.
摘要:
Provided are a treatment apparatus for removing fluorine content from water to be treated and a method of treating water to be treated using the same. Water to be treated, containing fluorine, is introduced into a treatment tank over a first path. Slaked lime is added to the water to be treated over a second path. Calcium chloride is added to the water to be treated over a third path. Thus, the fluorine contained in the water to be treated combines with calcium forming slaked lime or calcium chloride, thus yielding calcium fluoride, which is immobilized. When a filter film immersed in the water to be treated is used for filtration, the calcium fluoride contained in the water to be treated is concentrated.
摘要:
A neural modeling device comprising an electrolyte, a lipid or lipid-impregnated membrane which is situated in the electrolyte and in which an ion pump and an ion channel are buried, and an electrode for transmitting a potential of the lipid or lipid-impregnated membrane as an electrical signal. The ion pump actively transports selected ions in the electrolyte through the membrane from one side to the other side in response to an external stimulus such as light irradiation. When the difference in potential between the opposite sides of the membrane reaches a threshold, the ion channel opens to passively transport selected ions in a direction reverse to the ion transporting direction of the ion pump. When this device is exposed to light, the ion pump actively transports ions to generate a potential in the lipid or lipid-impregnated membrane. Upon detection of this potential, the ion channel opens to eliminate the potential, and then another potential will be generated again by the active transportation of the ion pump. Thus it is possible to generate an oscillating electrical signal by an external stimulus such as light irradiation.
摘要:
An artificial plastic control device for plastically controlling an electric signal which comprises a pair of electrolytic electrodes arranged as opposed to each other with an electrolyte layer provided therebetween, the pair of electrodes being a first electrode formed over the surface thereof with an electropolymerized polymer film containing an anionic dopant and a second electrode formed over the surface thereof with an electropolymerized polymer film not containing the anionic dopant, the anionic dopant being capable of reversibly capturing or releasing a cation, and a pair of ionic conductivity measuring electrodes arranged as opposed to each other with the electrolyte layer provided therebetween.