公开(公告)号：US20250084017A1

公开(公告)日：2025-03-13

申请号：US18439226

申请日：2024-02-12

Applicant: Scientific Design Company, Inc.

Inventor： Saurabh KATIYAR

IPC: C07C5/333

Abstract: A process for the dehydration of ethanol to ethylene with reduced steam consumption and the use of latent heat of condensation to generate steam.

公开(公告)号：US20180044272A1

公开(公告)日：2018-02-15

申请号：US15672927

申请日：2017-08-09

Applicant: Scientific Design Company, Inc.

Inventor： Saurabh KATIYAR

IPC: C07C41/42 ,  B01D5/00 ,  C07C43/13

CPC classification number: C07C41/42 ,  B01D3/06 ,  B01D3/148 ,  B01D5/009 ,  B01D19/0015 ,  C07C43/13 ,  C07C43/11

Abstract: A process for the preparation of glycol ethers by providing a diethylene glycol ether column bottoms mixture comprising triethylene glycol ether, tetraethylene glycol ether, and glycol ether catalyst; separating, in a stripping column, the column bottom mixture into a triethylene glycol ether vapor overhead and a liquid bottoms; and separating, in an evaporator, the liquid bottoms into a residue containing about 80% to about 90% tetraethylene glycol ether and an evaporator overhead comprising at least about 60% tetraethylene glycol ether.

公开(公告)号：US20220281757A1

公开(公告)日：2022-09-08

申请号：US17686556

申请日：2022-03-04

Applicant: Scientific Design Company, Inc.

Inventor： Saurabh KATIYAR ,  Saurabh H. PARIKH ,  Jason P. DURAND

IPC: C02F1/42 ,  C07D303/04

Abstract: A method for the oxidation of ethylene to form ethylene oxide which comprises treating an aqueous stream in a cycle water treatment unit containing an anion exchange resin to reduce the content of the impurities.